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# Change Log
All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
<a name="10.0.4"></a>
## [10.0.4](https://github.com/zkat/cacache/compare/v10.0.3...v10.0.4) (2018-02-16)
<a name="10.0.3"></a>
## [10.0.3](https://github.com/zkat/cacache/compare/v10.0.2...v10.0.3) (2018-02-16)
### Bug Fixes
* **content:** rethrow aggregate errors as ENOENT ([fa918f5](https://github.com/zkat/cacache/commit/fa918f5))
<a name="10.0.2"></a>
## [10.0.2](https://github.com/zkat/cacache/compare/v10.0.1...v10.0.2) (2018-01-07)
### Bug Fixes
* **ls:** deleted entries could cause a premature stream EOF ([347dc36](https://github.com/zkat/cacache/commit/347dc36))
<a name="10.0.1"></a>
## [10.0.1](https://github.com/zkat/cacache/compare/v10.0.0...v10.0.1) (2017-11-15)
### Bug Fixes
* **move-file:** actually use the fallback to `move-concurrently` (#110) ([073fbe1](https://github.com/zkat/cacache/commit/073fbe1))
<a name="10.0.0"></a>
# [10.0.0](https://github.com/zkat/cacache/compare/v9.3.0...v10.0.0) (2017-10-23)
### Features
* **license:** relicense to ISC (#111) ([fdbb4e5](https://github.com/zkat/cacache/commit/fdbb4e5))
### Performance Improvements
* more copyFile benchmarks ([63787bb](https://github.com/zkat/cacache/commit/63787bb))
### BREAKING CHANGES
* **license:** the license has been changed from CC0-1.0 to ISC.
<a name="9.3.0"></a>
# [9.3.0](https://github.com/zkat/cacache/compare/v9.2.9...v9.3.0) (2017-10-07)
### Features
* **copy:** added cacache.get.copy api for fast copies (#107) ([067b5f6](https://github.com/zkat/cacache/commit/067b5f6))
<a name="9.2.9"></a>
## [9.2.9](https://github.com/zkat/cacache/compare/v9.2.8...v9.2.9) (2017-06-17)
<a name="9.2.8"></a>
## [9.2.8](https://github.com/zkat/cacache/compare/v9.2.7...v9.2.8) (2017-06-05)
### Bug Fixes
* **ssri:** bump ssri for bugfix ([c3232ea](https://github.com/zkat/cacache/commit/c3232ea))
<a name="9.2.7"></a>
## [9.2.7](https://github.com/zkat/cacache/compare/v9.2.6...v9.2.7) (2017-06-05)
### Bug Fixes
* **content:** make verified content completely read-only (#96) ([4131196](https://github.com/zkat/cacache/commit/4131196))
<a name="9.2.6"></a>
## [9.2.6](https://github.com/zkat/cacache/compare/v9.2.5...v9.2.6) (2017-05-31)
### Bug Fixes
* **node:** update ssri to prevent old node 4 crash ([5209ffe](https://github.com/zkat/cacache/commit/5209ffe))
<a name="9.2.5"></a>
## [9.2.5](https://github.com/zkat/cacache/compare/v9.2.4...v9.2.5) (2017-05-25)
### Bug Fixes
* **deps:** fix lockfile issues and bump ssri ([84e1d7e](https://github.com/zkat/cacache/commit/84e1d7e))
<a name="9.2.4"></a>
## [9.2.4](https://github.com/zkat/cacache/compare/v9.2.3...v9.2.4) (2017-05-24)
### Bug Fixes
* **deps:** bumping deps ([bbccb12](https://github.com/zkat/cacache/commit/bbccb12))
<a name="9.2.3"></a>
## [9.2.3](https://github.com/zkat/cacache/compare/v9.2.2...v9.2.3) (2017-05-24)
### Bug Fixes
* **rm:** stop crashing if content is missing on rm ([ac90bc0](https://github.com/zkat/cacache/commit/ac90bc0))
<a name="9.2.2"></a>
## [9.2.2](https://github.com/zkat/cacache/compare/v9.2.1...v9.2.2) (2017-05-14)
### Bug Fixes
* **i18n:** lets pretend this didn't happen ([519b4ee](https://github.com/zkat/cacache/commit/519b4ee))
<a name="9.2.1"></a>
## [9.2.1](https://github.com/zkat/cacache/compare/v9.2.0...v9.2.1) (2017-05-14)
### Bug Fixes
* **docs:** fixing translation messup ([bb9e4f9](https://github.com/zkat/cacache/commit/bb9e4f9))
<a name="9.2.0"></a>
# [9.2.0](https://github.com/zkat/cacache/compare/v9.1.0...v9.2.0) (2017-05-14)
### Features
* **i18n:** add Spanish translation for API ([531f9a4](https://github.com/zkat/cacache/commit/531f9a4))
<a name="9.1.0"></a>
# [9.1.0](https://github.com/zkat/cacache/compare/v9.0.0...v9.1.0) (2017-05-14)
### Features
* **i18n:** Add Spanish translation and i18n setup (#91) ([323b90c](https://github.com/zkat/cacache/commit/323b90c))
<a name="9.0.0"></a>
# [9.0.0](https://github.com/zkat/cacache/compare/v8.0.0...v9.0.0) (2017-04-28)
### Bug Fixes
* **memoization:** actually use the LRU ([0e55dc9](https://github.com/zkat/cacache/commit/0e55dc9))
### Features
* **memoization:** memoizers can be injected through opts.memoize (#90) ([e5614c7](https://github.com/zkat/cacache/commit/e5614c7))
### BREAKING CHANGES
* **memoization:** If you were passing an object to opts.memoize, it will now be used as an injected memoization object. If you were only passing booleans and other non-objects through that option, no changes are needed.
<a name="8.0.0"></a>
# [8.0.0](https://github.com/zkat/cacache/compare/v7.1.0...v8.0.0) (2017-04-22)
### Features
* **read:** change hasContent to return {sri, size} (#88) ([bad6c49](https://github.com/zkat/cacache/commit/bad6c49)), closes [#87](https://github.com/zkat/cacache/issues/87)
### BREAKING CHANGES
* **read:** hasContent now returns an object with `{sri, size}` instead of `sri`. Use `result.sri` anywhere that needed the old return value.
<a name="7.1.0"></a>
# [7.1.0](https://github.com/zkat/cacache/compare/v7.0.5...v7.1.0) (2017-04-20)
### Features
* **size:** handle content size info (#49) ([91230af](https://github.com/zkat/cacache/commit/91230af))
<a name="7.0.5"></a>
## [7.0.5](https://github.com/zkat/cacache/compare/v7.0.4...v7.0.5) (2017-04-18)
### Bug Fixes
* **integrity:** new ssri with fixed integrity stream ([6d13e8e](https://github.com/zkat/cacache/commit/6d13e8e))
* **write:** wrap stuff in promises to improve errors ([3624fc5](https://github.com/zkat/cacache/commit/3624fc5))
<a name="7.0.4"></a>
## [7.0.4](https://github.com/zkat/cacache/compare/v7.0.3...v7.0.4) (2017-04-15)
### Bug Fixes
* **fix-owner:** throw away ENOENTs on chownr ([d49bbcd](https://github.com/zkat/cacache/commit/d49bbcd))
<a name="7.0.3"></a>
## [7.0.3](https://github.com/zkat/cacache/compare/v7.0.2...v7.0.3) (2017-04-05)
### Bug Fixes
* **read:** fixing error message for integrity verification failures ([9d4f0a5](https://github.com/zkat/cacache/commit/9d4f0a5))
<a name="7.0.2"></a>
## [7.0.2](https://github.com/zkat/cacache/compare/v7.0.1...v7.0.2) (2017-04-03)
### Bug Fixes
* **integrity:** use EINTEGRITY error code and update ssri ([8dc2e62](https://github.com/zkat/cacache/commit/8dc2e62))
<a name="7.0.1"></a>
## [7.0.1](https://github.com/zkat/cacache/compare/v7.0.0...v7.0.1) (2017-04-03)
### Bug Fixes
* **docs:** fix header name conflict in readme ([afcd456](https://github.com/zkat/cacache/commit/afcd456))
<a name="7.0.0"></a>
# [7.0.0](https://github.com/zkat/cacache/compare/v6.3.0...v7.0.0) (2017-04-03)
### Bug Fixes
* **test:** fix content.write tests when running in docker ([d2e9b6a](https://github.com/zkat/cacache/commit/d2e9b6a))
### Features
* **integrity:** subresource integrity support (#78) ([b1e731f](https://github.com/zkat/cacache/commit/b1e731f))
### BREAKING CHANGES
* **integrity:** The entire API has been overhauled to use SRI hashes instead of digest/hashAlgorithm pairs. SRI hashes follow the Subresource Integrity standard and support strings and objects compatible with [`ssri`](https://npm.im/ssri).
* This change bumps the index version, which will invalidate all previous index entries. Content entries will remain intact, and existing caches will automatically reuse any content from before this breaking change.
* `cacache.get.info()`, `cacache.ls()`, and `cacache.ls.stream()` will now return objects that looks like this:
```
{
key: String,
integrity: '<algorithm>-<base64hash>',
path: ContentPath,
time: Date<ms>,
metadata: Any
}
```
* `opts.digest` and `opts.hashAlgorithm` are obsolete for any API calls that used them.
* Anywhere `opts.digest` was accepted, `opts.integrity` is now an option. Any valid SRI hash is accepted here -- multiple hash entries will be resolved according to the standard: first, the "strongest" hash algorithm will be picked, and then each of the entries for that algorithm will be matched against the content. Content will be validated if *any* of the entries match (so, a single integrity string can be used for multiple "versions" of the same document/data).
* `put.byDigest()`, `put.stream.byDigest`, `get.byDigest()` and `get.stream.byDigest()` now expect an SRI instead of a `digest` + `opts.hashAlgorithm` pairing.
* `get.hasContent()` now expects an integrity hash instead of a digest. If content exists, it will return the specific single integrity hash that was found in the cache.
* `verify()` has learned to handle integrity-based caches, and forgotten how to handle old-style cache indices due to the format change.
* `cacache.rm.content()` now expects an integrity hash instead of a hex digest.
<a name="6.3.0"></a>
# [6.3.0](https://github.com/zkat/cacache/compare/v6.2.0...v6.3.0) (2017-04-01)
### Bug Fixes
* **fixOwner:** ignore EEXIST race condition from mkdirp ([4670e9b](https://github.com/zkat/cacache/commit/4670e9b))
* **index:** ignore index removal races when inserting ([b9d2fa2](https://github.com/zkat/cacache/commit/b9d2fa2))
* **memo:** use lru-cache for better mem management (#75) ([d8ac5aa](https://github.com/zkat/cacache/commit/d8ac5aa))
### Features
* **dependencies:** Switch to move-concurrently (#77) ([dc6482d](https://github.com/zkat/cacache/commit/dc6482d))
<a name="6.2.0"></a>
# [6.2.0](https://github.com/zkat/cacache/compare/v6.1.2...v6.2.0) (2017-03-15)
### Bug Fixes
* **index:** additional bucket entry verification with checksum (#72) ([f8e0f25](https://github.com/zkat/cacache/commit/f8e0f25))
* **verify:** return fixOwner.chownr promise ([6818521](https://github.com/zkat/cacache/commit/6818521))
### Features
* **tmp:** safe tmp dir creation/management util (#73) ([c42da71](https://github.com/zkat/cacache/commit/c42da71))
<a name="6.1.2"></a>
## [6.1.2](https://github.com/zkat/cacache/compare/v6.1.1...v6.1.2) (2017-03-13)
### Bug Fixes
* **index:** set default hashAlgorithm ([d6eb2f0](https://github.com/zkat/cacache/commit/d6eb2f0))
<a name="6.1.1"></a>
## [6.1.1](https://github.com/zkat/cacache/compare/v6.1.0...v6.1.1) (2017-03-13)
### Bug Fixes
* **coverage:** bumping coverage for verify (#71) ([0b7faf6](https://github.com/zkat/cacache/commit/0b7faf6))
* **deps:** glob should have been a regular dep :< ([0640bc4](https://github.com/zkat/cacache/commit/0640bc4))
<a name="6.1.0"></a>
# [6.1.0](https://github.com/zkat/cacache/compare/v6.0.2...v6.1.0) (2017-03-12)
### Bug Fixes
* **coverage:** more coverage for content reads (#70) ([ef4f70a](https://github.com/zkat/cacache/commit/ef4f70a))
* **tests:** use safe-buffer because omfg (#69) ([6ab8132](https://github.com/zkat/cacache/commit/6ab8132))
### Features
* **rm:** limited rm.all and fixed bugs (#66) ([d5d25ba](https://github.com/zkat/cacache/commit/d5d25ba)), closes [#66](https://github.com/zkat/cacache/issues/66)
* **verify:** tested, working cache verifier/gc (#68) ([45ad77a](https://github.com/zkat/cacache/commit/45ad77a))
<a name="6.0.2"></a>
## [6.0.2](https://github.com/zkat/cacache/compare/v6.0.1...v6.0.2) (2017-03-11)
### Bug Fixes
* **index:** segment cache items with another subbucket (#64) ([c3644e5](https://github.com/zkat/cacache/commit/c3644e5))
<a name="6.0.1"></a>
## [6.0.1](https://github.com/zkat/cacache/compare/v6.0.0...v6.0.1) (2017-03-05)
### Bug Fixes
* **docs:** Missed spots in README ([8ffb7fa](https://github.com/zkat/cacache/commit/8ffb7fa))
<a name="6.0.0"></a>
# [6.0.0](https://github.com/zkat/cacache/compare/v5.0.3...v6.0.0) (2017-03-05)
### Bug Fixes
* **api:** keep memo cache mostly-internal ([2f72d0a](https://github.com/zkat/cacache/commit/2f72d0a))
* **content:** use the rest of the string, not the whole string ([fa8f3c3](https://github.com/zkat/cacache/commit/fa8f3c3))
* **deps:** removed `format-number[@2](https://github.com/2).0.2` ([1187791](https://github.com/zkat/cacache/commit/1187791))
* **deps:** removed inflight[@1](https://github.com/1).0.6 ([0d1819c](https://github.com/zkat/cacache/commit/0d1819c))
* **deps:** rimraf[@2](https://github.com/2).6.1 ([9efab6b](https://github.com/zkat/cacache/commit/9efab6b))
* **deps:** standard[@9](https://github.com/9).0.0 ([4202cba](https://github.com/zkat/cacache/commit/4202cba))
* **deps:** tap[@10](https://github.com/10).3.0 ([aa03088](https://github.com/zkat/cacache/commit/aa03088))
* **deps:** weallcontribute[@1](https://github.com/1).0.8 ([ad4f4dc](https://github.com/zkat/cacache/commit/ad4f4dc))
* **docs:** add security note to hashKey ([03f81ba](https://github.com/zkat/cacache/commit/03f81ba))
* **hashes:** change default hashAlgorithm to sha512 ([ea00ba6](https://github.com/zkat/cacache/commit/ea00ba6))
* **hashes:** missed a spot for hashAlgorithm defaults ([45997d8](https://github.com/zkat/cacache/commit/45997d8))
* **index:** add length header before JSON for verification ([fb8cb4d](https://github.com/zkat/cacache/commit/fb8cb4d))
* **index:** change index filenames to sha1s of keys ([bbc5fca](https://github.com/zkat/cacache/commit/bbc5fca))
* **index:** who cares about race conditions anyway ([b1d3888](https://github.com/zkat/cacache/commit/b1d3888))
* **perf:** bulk-read get+read for massive speed ([d26cdf9](https://github.com/zkat/cacache/commit/d26cdf9))
* **perf:** use bulk file reads for index reads ([79a8891](https://github.com/zkat/cacache/commit/79a8891))
* **put-stream:** remove tmp file on stream insert error ([65f6632](https://github.com/zkat/cacache/commit/65f6632))
* **put-stream:** robustified and predictibilized ([daf9e08](https://github.com/zkat/cacache/commit/daf9e08))
* **put-stream:** use new promise API for moves ([1d36013](https://github.com/zkat/cacache/commit/1d36013))
* **readme:** updated to reflect new default hashAlgo ([c60a2fa](https://github.com/zkat/cacache/commit/c60a2fa))
* **verify:** tiny typo fix ([db22d05](https://github.com/zkat/cacache/commit/db22d05))
### Features
* **api:** converted external api ([7bf032f](https://github.com/zkat/cacache/commit/7bf032f))
* **cacache:** exported clearMemoized() utility ([8d2c5b6](https://github.com/zkat/cacache/commit/8d2c5b6))
* **cache:** add versioning to content and index ([31bc549](https://github.com/zkat/cacache/commit/31bc549))
* **content:** collate content files into subdirs ([c094d9f](https://github.com/zkat/cacache/commit/c094d9f))
* **deps:** [@npmcorp](https://github.com/npmcorp)/move[@1](https://github.com/1).0.0 ([bdd00bf](https://github.com/zkat/cacache/commit/bdd00bf))
* **deps:** bluebird[@3](https://github.com/3).4.7 ([3a17aff](https://github.com/zkat/cacache/commit/3a17aff))
* **deps:** promise-inflight[@1](https://github.com/1).0.1 ([a004fe6](https://github.com/zkat/cacache/commit/a004fe6))
* **get:** added memoization support for get ([c77d794](https://github.com/zkat/cacache/commit/c77d794))
* **get:** export hasContent ([2956ec3](https://github.com/zkat/cacache/commit/2956ec3))
* **index:** add hashAlgorithm and format insert ret val ([b639746](https://github.com/zkat/cacache/commit/b639746))
* **index:** collate index files into subdirs ([e8402a5](https://github.com/zkat/cacache/commit/e8402a5))
* **index:** promisify entry index ([cda3335](https://github.com/zkat/cacache/commit/cda3335))
* **memo:** added memoization lib ([da07b92](https://github.com/zkat/cacache/commit/da07b92))
* **memo:** export memoization api ([954b1b3](https://github.com/zkat/cacache/commit/954b1b3))
* **move-file:** add move fallback for weird errors ([5cf4616](https://github.com/zkat/cacache/commit/5cf4616))
* **perf:** bulk content write api ([51b536e](https://github.com/zkat/cacache/commit/51b536e))
* **put:** added memoization support to put ([b613a70](https://github.com/zkat/cacache/commit/b613a70))
* **read:** switched to promises ([a869362](https://github.com/zkat/cacache/commit/a869362))
* **rm:** added memoization support to rm ([4205cf0](https://github.com/zkat/cacache/commit/4205cf0))
* **rm:** switched to promises ([a000d24](https://github.com/zkat/cacache/commit/a000d24))
* **util:** promise-inflight ownership fix requests ([9517cd7](https://github.com/zkat/cacache/commit/9517cd7))
* **util:** use promises for api ([ae204bb](https://github.com/zkat/cacache/commit/ae204bb))
* **verify:** converted to Promises ([f0b3974](https://github.com/zkat/cacache/commit/f0b3974))
### BREAKING CHANGES
* cache: index/content directories are now versioned. Previous caches are no longer compatible and cannot be migrated.
* util: fix-owner now uses Promises instead of callbacks
* index: Previously-generated index entries are no longer compatible and the index must be regenerated.
* index: The index format has changed and previous caches are no longer compatible. Existing caches will need to be regenerated.
* hashes: Default hashAlgorithm changed from sha1 to sha512. If you
rely on the prior setting, pass `opts.hashAlgorithm` in explicitly.
* content: Previously-generated content directories are no longer compatible
and must be regenerated.
* verify: API is now promise-based
* read: Switches to a Promise-based API and removes callback stuff
* rm: Switches to a Promise-based API and removes callback stuff
* index: this changes the API to work off promises instead of callbacks
* api: this means we are going all in on promises now

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ISC License
Copyright (c) npm, Inc.
Permission to use, copy, modify, and/or distribute this software for
any purpose with or without fee is hereby granted, provided that the
above copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE COPYRIGHT HOLDER DISCLAIMS
ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
USE OR PERFORMANCE OF THIS SOFTWARE.

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# cacache [![npm version](https://img.shields.io/npm/v/cacache.svg)](https://npm.im/cacache) [![license](https://img.shields.io/npm/l/cacache.svg)](https://npm.im/cacache) [![Travis](https://img.shields.io/travis/zkat/cacache.svg)](https://travis-ci.org/zkat/cacache) [![AppVeyor](https://ci.appveyor.com/api/projects/status/github/zkat/cacache?svg=true)](https://ci.appveyor.com/project/zkat/cacache) [![Coverage Status](https://coveralls.io/repos/github/zkat/cacache/badge.svg?branch=latest)](https://coveralls.io/github/zkat/cacache?branch=latest)
[`cacache`](https://github.com/zkat/cacache) es una librería de Node.js para
manejar caches locales en disco, con acceso tanto con claves únicas como
direcciones de contenido (hashes/hacheos). Es súper rápida, excelente con el
acceso concurrente, y jamás te dará datos incorrectos, aún si se corrompen o
manipulan directamente los ficheros del cache.
El propósito original era reemplazar el caché local de
[npm](https://npm.im/npm), pero se puede usar por su propia cuenta.
_Traducciones: [English](README.md)_
## Instalación
`$ npm install --save cacache`
## Índice
* [Ejemplo](#ejemplo)
* [Características](#características)
* [Cómo Contribuir](#cómo-contribuir)
* [API](#api)
* [Usando el API en español](#localized-api)
* Leer
* [`ls`](#ls)
* [`ls.flujo`](#ls-stream)
* [`saca`](#get-data)
* [`saca.flujo`](#get-stream)
* [`saca.info`](#get-info)
* [`saca.tieneDatos`](#get-hasContent)
* Escribir
* [`mete`](#put-data)
* [`mete.flujo`](#put-stream)
* [opciones para `mete*`](#put-options)
* [`rm.todo`](#rm-all)
* [`rm.entrada`](#rm-entry)
* [`rm.datos`](#rm-content)
* Utilidades
* [`ponLenguaje`](#set-locale)
* [`limpiaMemoizado`](#clear-memoized)
* [`tmp.hazdir`](#tmp-mkdir)
* [`tmp.conTmp`](#with-tmp)
* Integridad
* [Subresource Integrity](#integrity)
* [`verifica`](#verify)
* [`verifica.ultimaVez`](#verify-last-run)
### Ejemplo
```javascript
const cacache = require('cacache/es')
const fs = require('fs')
const tarbol = '/ruta/a/mi-tar.tgz'
const rutaCache = '/tmp/my-toy-cache'
const clave = 'mi-clave-única-1234'
// ¡Añádelo al caché! Usa `rutaCache` como raíz del caché.
cacache.mete(rutaCache, clave, '10293801983029384').then(integrity => {
console.log(`Saved content to ${rutaCache}.`)
})
const destino = '/tmp/mytar.tgz'
// Copia el contenido del caché a otro fichero, pero esta vez con flujos.
cacache.saca.flujo(
rutaCache, clave
).pipe(
fs.createWriteStream(destino)
).on('finish', () => {
console.log('extracción completada')
})
// La misma cosa, pero accesando el contenido directamente, sin tocar el índice.
cacache.saca.porHacheo(rutaCache, integridad).then(datos => {
fs.writeFile(destino, datos, err => {
console.log('datos del tarbol sacados basado en su sha512, y escrito a otro fichero')
})
})
```
### Características
* Extracción por clave o por dirección de contenido (shasum, etc)
* Usa el estándard de web, [Subresource Integrity](#integrity)
* Compatible con multiples algoritmos - usa sha1, sha512, etc, en el mismo caché sin problema
* Entradas con contenido idéntico comparten ficheros
* Tolerancia de fallas (inmune a corrupción, ficheros parciales, carreras de proceso, etc)
* Verificación completa de datos cuando (escribiendo y leyendo)
* Concurrencia rápida, segura y "lockless"
* Compatible con `stream`s (flujos)
* Compatible con `Promise`s (promesas)
* Bastante rápida -- acceso, incluyendo verificación, en microsegundos
* Almacenaje de metadatos arbitrarios
* Colección de basura y verificación adicional fuera de banda
* Cobertura rigurosa de pruebas
* Probablente hay un "Bloom filter" por ahí en algún lado. Eso le mola a la gente, ¿Verdad? 🤔
### Cómo Contribuir
El equipo de cacache felizmente acepta contribuciones de código y otras maneras de participación. ¡Hay muchas formas diferentes de contribuir! La [Guía de Colaboradores](CONTRIBUTING.md) (en inglés) tiene toda la información que necesitas para cualquier tipo de contribución: todo desde cómo reportar errores hasta cómo someter parches con nuevas características. Con todo y eso, no se preocupe por si lo que haces está exáctamente correcto: no hay ningún problema en hacer preguntas si algo no está claro, o no lo encuentras.
El equipo de cacache tiene miembros hispanohablantes: es completamente aceptable crear `issues` y `pull requests` en español/castellano.
Todos los participantes en este proyecto deben obedecer el [Código de Conducta](CODE_OF_CONDUCT.md) (en inglés), y en general actuar de forma amable y respetuosa mientras participan en esta comunidad.
Por favor refiérase al [Historial de Cambios](CHANGELOG.md) (en inglés) para detalles sobre cambios importantes incluídos en cada versión.
Finalmente, cacache tiene un sistema de localización de lenguaje. Si te interesa añadir lenguajes o mejorar los que existen, mira en el directorio `./locales` para comenzar.
Happy hacking!
### API
#### <a name="localized-api"></a> Usando el API en español
cacache incluye una traducción completa de su API al castellano, con las mismas
características. Para usar el API como está documentado en este documento, usa
`require('cacache/es')`
cacache también tiene otros lenguajes: encuéntralos bajo `./locales`, y podrás
usar el API en ese lenguaje con `require('cacache/<lenguaje>')`
#### <a name="ls"></a> `> cacache.ls(cache) -> Promise<Object>`
Enumera todas las entradas en el caché, dentro de un solo objeto. Cada entrada
en el objeto tendrá como clave la clave única usada para el índice, el valor
siendo un objeto de [`saca.info`](#get-info).
##### Ejemplo
```javascript
cacache.ls(rutaCache).then(console.log)
// Salida
{
'my-thing': {
key: 'my-thing',
integrity: 'sha512-BaSe64/EnCoDED+HAsh=='
path: '.testcache/content/deadbeef', // unido con `rutaCache`
time: 12345698490,
size: 4023948,
metadata: {
name: 'blah',
version: '1.2.3',
description: 'this was once a package but now it is my-thing'
}
},
'other-thing': {
key: 'other-thing',
integrity: 'sha1-ANothER+hasH=',
path: '.testcache/content/bada55',
time: 11992309289,
size: 111112
}
}
```
#### <a name="ls-stream"></a> `> cacache.ls.flujo(cache) -> Readable`
Enumera todas las entradas en el caché, emitiendo un objeto de
[`saca.info`](#get-info) por cada evento de `data` en el flujo.
##### Ejemplo
```javascript
cacache.ls.flujo(rutaCache).on('data', console.log)
// Salida
{
key: 'my-thing',
integrity: 'sha512-BaSe64HaSh',
path: '.testcache/content/deadbeef', // unido con `rutaCache`
time: 12345698490,
size: 13423,
metadata: {
name: 'blah',
version: '1.2.3',
description: 'this was once a package but now it is my-thing'
}
}
{
key: 'other-thing',
integrity: 'whirlpool-WoWSoMuchSupport',
path: '.testcache/content/bada55',
time: 11992309289,
size: 498023984029
}
{
...
}
```
#### <a name="get-data"></a> `> cacache.saca(cache, clave, [ops]) -> Promise({data, metadata, integrity})`
Devuelve un objeto con los datos, hacheo de integridad y metadatos identificados
por la `clave`. La propiedad `data` de este objeto será una instancia de
`Buffer` con los datos almacenados en el caché. to do with it! cacache just
won't care.
`integrity` es un `string` de [Subresource Integrity](#integrity). Dígase, un
`string` que puede ser usado para verificar a la `data`, que tiene como formato
`<algoritmo>-<hacheo-integridad-base64>`.
So no existe ninguna entrada identificada por `clave`, o se los datos
almacenados localmente fallan verificación, el `Promise` fallará.
Una sub-función, `saca.porHacheo`, tiene casi el mismo comportamiento, excepto
que busca entradas usando el hacheo de integridad, sin tocar el índice general.
Esta versión *sólo* devuelve `data`, sin ningún objeto conteniéndola.
##### Nota
Esta función lee la entrada completa a la memoria antes de devolverla. Si estás
almacenando datos Muy Grandes, es posible que [`saca.flujo`](#get-stream) sea
una mejor solución.
##### Ejemplo
```javascript
// Busca por clave
cache.saca(rutaCache, 'my-thing').then(console.log)
// Salida:
{
metadata: {
thingName: 'my'
},
integrity: 'sha512-BaSe64HaSh',
data: Buffer#<deadbeef>,
size: 9320
}
// Busca por hacheo
cache.saca.porHacheo(rutaCache, 'sha512-BaSe64HaSh').then(console.log)
// Salida:
Buffer#<deadbeef>
```
#### <a name="get-stream"></a> `> cacache.saca.flujo(cache, clave, [ops]) -> Readable`
Devuelve un [Readable
Stream](https://nodejs.org/api/stream.html#stream_readable_streams) de los datos
almacenados bajo `clave`.
So no existe ninguna entrada identificada por `clave`, o se los datos
almacenados localmente fallan verificación, el `Promise` fallará.
`metadata` y `integrity` serán emitidos como eventos antes de que el flujo
cierre.
Una sub-función, `saca.flujo.porHacheo`, tiene casi el mismo comportamiento,
excepto que busca entradas usando el hacheo de integridad, sin tocar el índice
general. Esta versión no emite eventos de `metadata` o `integrity`.
##### Ejemplo
```javascript
// Busca por clave
cache.saca.flujo(
rutaCache, 'my-thing'
).on('metadata', metadata => {
console.log('metadata:', metadata)
}).on('integrity', integrity => {
console.log('integrity:', integrity)
}).pipe(
fs.createWriteStream('./x.tgz')
)
// Salidas:
metadata: { ... }
integrity: 'sha512-SoMeDIGest+64=='
// Busca por hacheo
cache.saca.flujo.porHacheo(
rutaCache, 'sha512-SoMeDIGest+64=='
).pipe(
fs.createWriteStream('./x.tgz')
)
```
#### <a name="get-info"></a> `> cacache.saca.info(cache, clave) -> Promise`
Busca la `clave` en el índice del caché, devolviendo información sobre la
entrada si existe.
##### Campos
* `key` - Clave de la entrada. Igual al argumento `clave`.
* `integrity` - [hacheo de Subresource Integrity](#integrity) del contenido al que se refiere esta entrada.
* `path` - Dirección del fichero de datos almacenados, relativa al argumento `cache`.
* `time` - Hora de creación de la entrada
* `metadata` - Metadatos asignados a esta entrada por el usuario
##### Ejemplo
```javascript
cacache.saca.info(rutaCache, 'my-thing').then(console.log)
// Salida
{
key: 'my-thing',
integrity: 'sha256-MUSTVERIFY+ALL/THINGS=='
path: '.testcache/content/deadbeef',
time: 12345698490,
size: 849234,
metadata: {
name: 'blah',
version: '1.2.3',
description: 'this was once a package but now it is my-thing'
}
}
```
#### <a name="get-hasContent"></a> `> cacache.saca.tieneDatos(cache, integrity) -> Promise`
Busca un [hacheo Subresource Integrity](#integrity) en el caché. Si existe el
contenido asociado con `integrity`, devuelve un objeto con dos campos: el hacheo
_específico_ que se usó para la búsqueda, `sri`, y el tamaño total del
contenido, `size`. Si no existe ningún contenido asociado con `integrity`,
devuelve `false`.
##### Ejemplo
```javascript
cacache.saca.tieneDatos(rutaCache, 'sha256-MUSTVERIFY+ALL/THINGS==').then(console.log)
// Salida
{
sri: {
source: 'sha256-MUSTVERIFY+ALL/THINGS==',
algorithm: 'sha256',
digest: 'MUSTVERIFY+ALL/THINGS==',
options: []
},
size: 9001
}
cacache.saca.tieneDatos(rutaCache, 'sha521-NOT+IN/CACHE==').then(console.log)
// Salida
false
```
#### <a name="put-data"></a> `> cacache.mete(cache, clave, datos, [ops]) -> Promise`
Inserta `datos` en el caché. El `Promise` devuelto se resuelve con un hacheo
(generado conforme a [`ops.algorithms`](#optsalgorithms)) después que la entrada
haya sido escrita en completo.
##### Ejemplo
```javascript
fetch(
'https://registry.npmjs.org/cacache/-/cacache-1.0.0.tgz'
).then(datos => {
return cacache.mete(rutaCache, 'registry.npmjs.org|cacache@1.0.0', datos)
}).then(integridad => {
console.log('el hacheo de integridad es', integridad)
})
```
#### <a name="put-stream"></a> `> cacache.mete.flujo(cache, clave, [ops]) -> Writable`
Devuelve un [Writable
Stream](https://nodejs.org/api/stream.html#stream_writable_streams) que inserta
al caché los datos escritos a él. Emite un evento `integrity` con el hacheo del
contenido escrito, cuando completa.
##### Ejemplo
```javascript
request.get(
'https://registry.npmjs.org/cacache/-/cacache-1.0.0.tgz'
).pipe(
cacache.mete.flujo(
rutaCache, 'registry.npmjs.org|cacache@1.0.0'
).on('integrity', d => console.log(`integrity digest is ${d}`))
)
```
#### <a name="put-options"></a> `> opciones para cacache.mete`
La funciones `cacache.mete` tienen un número de opciones en común.
##### `ops.metadata`
Metadatos del usuario que se almacenarán con la entrada.
##### `ops.size`
El tamaño declarado de los datos que se van a insertar. Si es proveído, cacache
verificará que los datos escritos sean de ese tamaño, o si no, fallará con un
error con código `EBADSIZE`.
##### `ops.integrity`
El hacheo de integridad de los datos siendo escritos.
Si es proveído, y los datos escritos no le corresponden, la operación fallará
con un error con código `EINTEGRITY`.
`ops.algorithms` no tiene ningún efecto si esta opción está presente.
##### `ops.algorithms`
Por Defecto: `['sha512']`
Algoritmos que se deben usar cuando se calcule el hacheo de [subresource
integrity](#integrity) para los datos insertados. Puede usar cualquier algoritmo
enumerado en `crypto.getHashes()`.
Por el momento, sólo se acepta un algoritmo (dígase, un array con exáctamente un
valor). No tiene ningún efecto si `ops.integrity` también ha sido proveido.
##### `ops.uid`/`ops.gid`
Si están presentes, cacache hará todo lo posible para asegurarse que todos los
ficheros creados en el proceso de sus operaciones en el caché usen esta
combinación en particular.
##### `ops.memoize`
Por Defecto: `null`
Si es verdad, cacache tratará de memoizar los datos de la entrada en memoria. La
próxima vez que el proceso corriente trate de accesar los datos o entrada,
cacache buscará en memoria antes de buscar en disco.
Si `ops.memoize` es un objeto regular o un objeto como `Map` (es decir, un
objeto con métodos `get()` y `set()`), este objeto en sí sera usado en vez del
caché de memoria global. Esto permite tener lógica específica a tu aplicación
encuanto al almacenaje en memoria de tus datos.
Si quieres asegurarte que los datos se lean del disco en vez de memoria, usa
`memoize: false` cuando uses funciones de `cacache.saca`.
#### <a name="rm-all"></a> `> cacache.rm.todo(cache) -> Promise`
Borra el caché completo, incluyendo ficheros temporeros, ficheros de datos, y el
índice del caché.
##### Ejemplo
```javascript
cacache.rm.todo(rutaCache).then(() => {
console.log('THE APOCALYPSE IS UPON US 😱')
})
```
#### <a name="rm-entry"></a> `> cacache.rm.entrada(cache, clave) -> Promise`
Alias: `cacache.rm`
Borra la entrada `clave` del índuce. El contenido asociado con esta entrada
seguirá siendo accesible por hacheo usando
[`saca.flujo.porHacheo`](#get-stream).
Para borrar el contenido en sí, usa [`rm.datos`](#rm-content). Si quieres hacer
esto de manera más segura (pues ficheros de contenido pueden ser usados por
multiples entradas), usa [`verifica`](#verify) para borrar huérfanos.
##### Ejemplo
```javascript
cacache.rm.entrada(rutaCache, 'my-thing').then(() => {
console.log('I did not like it anyway')
})
```
#### <a name="rm-content"></a> `> cacache.rm.datos(cache, integrity) -> Promise`
Borra el contenido identificado por `integrity`. Cualquier entrada que se
refiera a este contenido quedarán huérfanas y se invalidarán si se tratan de
accesar, al menos que contenido idéntico sea añadido bajo `integrity`.
##### Ejemplo
```javascript
cacache.rm.datos(rutaCache, 'sha512-SoMeDIGest/IN+BaSE64==').then(() => {
console.log('los datos para `mi-cosa` se borraron')
})
```
#### <a name="set-locale"></a> `> cacache.ponLenguaje(locale)`
Configura el lenguaje usado para mensajes y errores de cacache. La lista de
lenguajes disponibles está en el directorio `./locales` del proyecto.
_Te interesa añadir más lenguajes? [Somete un PR](CONTRIBUTING.md)!_
#### <a name="clear-memoized"></a> `> cacache.limpiaMemoizado()`
Completamente reinicializa el caché de memoria interno. Si estás usando tu
propio objecto con `ops.memoize`, debes hacer esto de manera específica a él.
#### <a name="tmp-mkdir"></a> `> tmp.hazdir(cache, ops) -> Promise<Path>`
Alias: `tmp.mkdir`
Devuelve un directorio único dentro del directorio `tmp` del caché.
Una vez tengas el directorio, es responsabilidad tuya asegurarte que todos los
ficheros escrito a él sean creados usando los permisos y `uid`/`gid` concordante
con el caché. Si no, puedes pedirle a cacache que lo haga llamando a
[`cacache.tmp.fix()`](#tmp-fix). Esta función arreglará todos los permisos en el
directorio tmp.
Si quieres que cacache limpie el directorio automáticamente cuando termines, usa
[`cacache.tmp.conTmp()`](#with-tpm).
##### Ejemplo
```javascript
cacache.tmp.mkdir(cache).then(dir => {
fs.writeFile(path.join(dir, 'blablabla'), Buffer#<1234>, ...)
})
```
#### <a name="with-tmp"></a> `> tmp.conTmp(cache, ops, cb) -> Promise`
Crea un directorio temporero con [`tmp.mkdir()`](#tmp-mkdir) y ejecuta `cb` con
él como primer argumento. El directorio creado será removido automáticamente
cuando el valor devolvido por `cb()` se resuelva.
Las mismas advertencias aplican en cuanto a manejando permisos para los ficheros
dentro del directorio.
##### Ejemplo
```javascript
cacache.tmp.conTmp(cache, dir => {
return fs.writeFileAsync(path.join(dir, 'blablabla'), Buffer#<1234>, ...)
}).then(() => {
// `dir` no longer exists
})
```
#### <a name="integrity"></a> Hacheos de Subresource Integrity
cacache usa strings que siguen la especificación de [Subresource Integrity
spec](https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity).
Es decir, donde quiera cacache espera un argumento o opción `integrity`, ese
string debería usar el formato `<algoritmo>-<hacheo-base64>`.
Una variación importante sobre los hacheos que cacache acepta es que acepta el
nombre de cualquier algoritmo aceptado por el proceso de Node.js donde se usa.
Puedes usar `crypto.getHashes()` para ver cuales están disponibles.
##### Generando tus propios hacheos
Si tienes un `shasum`, en general va a estar en formato de string hexadecimal
(es decir, un `sha1` se vería como algo así:
`5f5513f8822fdbe5145af33b64d8d970dcf95c6e`).
Para ser compatible con cacache, necesitas convertir esto a su equivalente en
subresource integrity. Por ejemplo, el hacheo correspondiente al ejemplo
anterior sería: `sha1-X1UT+IIv2+UUWvM7ZNjZcNz5XG4=`.
Puedes usar código así para generarlo por tu cuenta:
```javascript
const crypto = require('crypto')
const algoritmo = 'sha512'
const datos = 'foobarbaz'
const integrity = (
algorithm +
'-' +
crypto.createHash(algoritmo).update(datos).digest('base64')
)
```
También puedes usar [`ssri`](https://npm.im/ssri) para deferir el trabajo a otra
librería que garantiza que todo esté correcto, pues maneja probablemente todas
las operaciones que tendrías que hacer con SRIs, incluyendo convirtiendo entre
hexadecimal y el formato SRI.
#### <a name="verify"></a> `> cacache.verifica(cache, ops) -> Promise`
Examina y arregla tu caché:
* Limpia entradas inválidas, huérfanas y corrompidas
* Te deja filtrar cuales entradas retener, con tu propio filtro
* Reclama cualquier ficheros de contenido sin referencias en el índice
* Verifica integridad de todos los ficheros de contenido y remueve los malos
* Arregla permisos del caché
* Remieve el directorio `tmp` en el caché, y todo su contenido.
Cuando termine, devuelve un objeto con varias estadísticas sobre el proceso de
verificación, por ejemplo la cantidad de espacio de disco reclamado, el número
de entradas válidas, número de entradas removidas, etc.
##### Opciones
* `ops.uid` - uid para asignarle al caché y su contenido
* `ops.gid` - gid para asignarle al caché y su contenido
* `ops.filter` - recibe una entrada como argumento. Devuelve falso para removerla. Nota: es posible que esta función sea invocada con la misma entrada más de una vez.
##### Example
```sh
echo somegarbage >> $RUTACACHE/content/deadbeef
```
```javascript
cacache.verifica(rutaCache).then(stats => {
// deadbeef collected, because of invalid checksum.
console.log('cache is much nicer now! stats:', stats)
})
```
#### <a name="verify-last-run"></a> `> cacache.verifica.ultimaVez(cache) -> Promise`
Alias: `últimaVez`
Devuelve un `Date` que representa la última vez que `cacache.verifica` fue
ejecutada en `cache`.
##### Example
```javascript
cacache.verifica(rutaCache).then(() => {
cacache.verifica.ultimaVez(rutaCache).then(última => {
console.log('La última vez que se usó cacache.verifica() fue ' + última)
})
})
```

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# cacache [![npm version](https://img.shields.io/npm/v/cacache.svg)](https://npm.im/cacache) [![license](https://img.shields.io/npm/l/cacache.svg)](https://npm.im/cacache) [![Travis](https://img.shields.io/travis/zkat/cacache.svg)](https://travis-ci.org/zkat/cacache) [![AppVeyor](https://ci.appveyor.com/api/projects/status/github/zkat/cacache?svg=true)](https://ci.appveyor.com/project/zkat/cacache) [![Coverage Status](https://coveralls.io/repos/github/zkat/cacache/badge.svg?branch=latest)](https://coveralls.io/github/zkat/cacache?branch=latest)
[`cacache`](https://github.com/zkat/cacache) is a Node.js library for managing
local key and content address caches. It's really fast, really good at
concurrency, and it will never give you corrupted data, even if cache files
get corrupted or manipulated.
It was originally written to be used as [npm](https://npm.im)'s local cache, but
can just as easily be used on its own.
_Translations: [español](README.es.md)_
## Install
`$ npm install --save cacache`
## Table of Contents
* [Example](#example)
* [Features](#features)
* [Contributing](#contributing)
* [API](#api)
* [Using localized APIs](#localized-api)
* Reading
* [`ls`](#ls)
* [`ls.stream`](#ls-stream)
* [`get`](#get-data)
* [`get.stream`](#get-stream)
* [`get.info`](#get-info)
* [`get.hasContent`](#get-hasContent)
* Writing
* [`put`](#put-data)
* [`put.stream`](#put-stream)
* [`put*` opts](#put-options)
* [`rm.all`](#rm-all)
* [`rm.entry`](#rm-entry)
* [`rm.content`](#rm-content)
* Utilities
* [`setLocale`](#set-locale)
* [`clearMemoized`](#clear-memoized)
* [`tmp.mkdir`](#tmp-mkdir)
* [`tmp.withTmp`](#with-tmp)
* Integrity
* [Subresource Integrity](#integrity)
* [`verify`](#verify)
* [`verify.lastRun`](#verify-last-run)
### Example
```javascript
const cacache = require('cacache/en')
const fs = require('fs')
const tarball = '/path/to/mytar.tgz'
const cachePath = '/tmp/my-toy-cache'
const key = 'my-unique-key-1234'
// Cache it! Use `cachePath` as the root of the content cache
cacache.put(cachePath, key, '10293801983029384').then(integrity => {
console.log(`Saved content to ${cachePath}.`)
})
const destination = '/tmp/mytar.tgz'
// Copy the contents out of the cache and into their destination!
// But this time, use stream instead!
cacache.get.stream(
cachePath, key
).pipe(
fs.createWriteStream(destination)
).on('finish', () => {
console.log('done extracting!')
})
// The same thing, but skip the key index.
cacache.get.byDigest(cachePath, integrityHash).then(data => {
fs.writeFile(destination, data, err => {
console.log('tarball data fetched based on its sha512sum and written out!')
})
})
```
### Features
* Extraction by key or by content address (shasum, etc)
* [Subresource Integrity](#integrity) web standard support
* Multi-hash support - safely host sha1, sha512, etc, in a single cache
* Automatic content deduplication
* Fault tolerance (immune to corruption, partial writes, process races, etc)
* Consistency guarantees on read and write (full data verification)
* Lockless, high-concurrency cache access
* Streaming support
* Promise support
* Pretty darn fast -- sub-millisecond reads and writes including verification
* Arbitrary metadata storage
* Garbage collection and additional offline verification
* Thorough test coverage
* There's probably a bloom filter in there somewhere. Those are cool, right? 🤔
### Contributing
The cacache team enthusiastically welcomes contributions and project participation! There's a bunch of things you can do if you want to contribute! The [Contributor Guide](CONTRIBUTING.md) has all the information you need for everything from reporting bugs to contributing entire new features. Please don't hesitate to jump in if you'd like to, or even ask us questions if something isn't clear.
All participants and maintainers in this project are expected to follow [Code of Conduct](CODE_OF_CONDUCT.md), and just generally be excellent to each other.
Please refer to the [Changelog](CHANGELOG.md) for project history details, too.
Happy hacking!
### API
#### <a name="localized-api"></a> Using localized APIs
cacache includes a complete API in English, with the same features as other
translations. To use the English API as documented in this README, use
`require('cacache/en')`. This is also currently the default if you do
`require('cacache')`, but may change in the future.
cacache also supports other languages! You can find the list of currently
supported ones by looking in `./locales` in the source directory. You can use
the API in that language with `require('cacache/<lang>')`.
Want to add support for a new language? Please go ahead! You should be able to
copy `./locales/en.js` and `./locales/en.json` and fill them in. Translating the
`README.md` is a bit more work, but also appreciated if you get around to it. 👍🏼
#### <a name="ls"></a> `> cacache.ls(cache) -> Promise<Object>`
Lists info for all entries currently in the cache as a single large object. Each
entry in the object will be keyed by the unique index key, with corresponding
[`get.info`](#get-info) objects as the values.
##### Example
```javascript
cacache.ls(cachePath).then(console.log)
// Output
{
'my-thing': {
key: 'my-thing',
integrity: 'sha512-BaSe64/EnCoDED+HAsh=='
path: '.testcache/content/deadbeef', // joined with `cachePath`
time: 12345698490,
size: 4023948,
metadata: {
name: 'blah',
version: '1.2.3',
description: 'this was once a package but now it is my-thing'
}
},
'other-thing': {
key: 'other-thing',
integrity: 'sha1-ANothER+hasH=',
path: '.testcache/content/bada55',
time: 11992309289,
size: 111112
}
}
```
#### <a name="ls-stream"></a> `> cacache.ls.stream(cache) -> Readable`
Lists info for all entries currently in the cache as a single large object.
This works just like [`ls`](#ls), except [`get.info`](#get-info) entries are
returned as `'data'` events on the returned stream.
##### Example
```javascript
cacache.ls.stream(cachePath).on('data', console.log)
// Output
{
key: 'my-thing',
integrity: 'sha512-BaSe64HaSh',
path: '.testcache/content/deadbeef', // joined with `cachePath`
time: 12345698490,
size: 13423,
metadata: {
name: 'blah',
version: '1.2.3',
description: 'this was once a package but now it is my-thing'
}
}
{
key: 'other-thing',
integrity: 'whirlpool-WoWSoMuchSupport',
path: '.testcache/content/bada55',
time: 11992309289,
size: 498023984029
}
{
...
}
```
#### <a name="get-data"></a> `> cacache.get(cache, key, [opts]) -> Promise({data, metadata, integrity})`
Returns an object with the cached data, digest, and metadata identified by
`key`. The `data` property of this object will be a `Buffer` instance that
presumably holds some data that means something to you. I'm sure you know what
to do with it! cacache just won't care.
`integrity` is a [Subresource
Integrity](#integrity)
string. That is, a string that can be used to verify `data`, which looks like
`<hash-algorithm>-<base64-integrity-hash>`.
If there is no content identified by `key`, or if the locally-stored data does
not pass the validity checksum, the promise will be rejected.
A sub-function, `get.byDigest` may be used for identical behavior, except lookup
will happen by integrity hash, bypassing the index entirely. This version of the
function *only* returns `data` itself, without any wrapper.
##### Note
This function loads the entire cache entry into memory before returning it. If
you're dealing with Very Large data, consider using [`get.stream`](#get-stream)
instead.
##### Example
```javascript
// Look up by key
cache.get(cachePath, 'my-thing').then(console.log)
// Output:
{
metadata: {
thingName: 'my'
},
integrity: 'sha512-BaSe64HaSh',
data: Buffer#<deadbeef>,
size: 9320
}
// Look up by digest
cache.get.byDigest(cachePath, 'sha512-BaSe64HaSh').then(console.log)
// Output:
Buffer#<deadbeef>
```
#### <a name="get-stream"></a> `> cacache.get.stream(cache, key, [opts]) -> Readable`
Returns a [Readable Stream](https://nodejs.org/api/stream.html#stream_readable_streams) of the cached data identified by `key`.
If there is no content identified by `key`, or if the locally-stored data does
not pass the validity checksum, an error will be emitted.
`metadata` and `integrity` events will be emitted before the stream closes, if
you need to collect that extra data about the cached entry.
A sub-function, `get.stream.byDigest` may be used for identical behavior,
except lookup will happen by integrity hash, bypassing the index entirely. This
version does not emit the `metadata` and `integrity` events at all.
##### Example
```javascript
// Look up by key
cache.get.stream(
cachePath, 'my-thing'
).on('metadata', metadata => {
console.log('metadata:', metadata)
}).on('integrity', integrity => {
console.log('integrity:', integrity)
}).pipe(
fs.createWriteStream('./x.tgz')
)
// Outputs:
metadata: { ... }
integrity: 'sha512-SoMeDIGest+64=='
// Look up by digest
cache.get.stream.byDigest(
cachePath, 'sha512-SoMeDIGest+64=='
).pipe(
fs.createWriteStream('./x.tgz')
)
```
#### <a name="get-info"></a> `> cacache.get.info(cache, key) -> Promise`
Looks up `key` in the cache index, returning information about the entry if
one exists.
##### Fields
* `key` - Key the entry was looked up under. Matches the `key` argument.
* `integrity` - [Subresource Integrity hash](#integrity) for the content this entry refers to.
* `path` - Filesystem path relative to `cache` argument where content is stored.
* `time` - Timestamp the entry was first added on.
* `metadata` - User-assigned metadata associated with the entry/content.
##### Example
```javascript
cacache.get.info(cachePath, 'my-thing').then(console.log)
// Output
{
key: 'my-thing',
integrity: 'sha256-MUSTVERIFY+ALL/THINGS=='
path: '.testcache/content/deadbeef',
time: 12345698490,
size: 849234,
metadata: {
name: 'blah',
version: '1.2.3',
description: 'this was once a package but now it is my-thing'
}
}
```
#### <a name="get-hasContent"></a> `> cacache.get.hasContent(cache, integrity) -> Promise`
Looks up a [Subresource Integrity hash](#integrity) in the cache. If content
exists for this `integrity`, it will return an object, with the specific single integrity hash
that was found in `sri` key, and the size of the found content as `size`. If no content exists for this integrity, it will return `false`.
##### Example
```javascript
cacache.get.hasContent(cachePath, 'sha256-MUSTVERIFY+ALL/THINGS==').then(console.log)
// Output
{
sri: {
source: 'sha256-MUSTVERIFY+ALL/THINGS==',
algorithm: 'sha256',
digest: 'MUSTVERIFY+ALL/THINGS==',
options: []
},
size: 9001
}
cacache.get.hasContent(cachePath, 'sha521-NOT+IN/CACHE==').then(console.log)
// Output
false
```
#### <a name="put-data"></a> `> cacache.put(cache, key, data, [opts]) -> Promise`
Inserts data passed to it into the cache. The returned Promise resolves with a
digest (generated according to [`opts.algorithms`](#optsalgorithms)) after the
cache entry has been successfully written.
##### Example
```javascript
fetch(
'https://registry.npmjs.org/cacache/-/cacache-1.0.0.tgz'
).then(data => {
return cacache.put(cachePath, 'registry.npmjs.org|cacache@1.0.0', data)
}).then(integrity => {
console.log('integrity hash is', integrity)
})
```
#### <a name="put-stream"></a> `> cacache.put.stream(cache, key, [opts]) -> Writable`
Returns a [Writable
Stream](https://nodejs.org/api/stream.html#stream_writable_streams) that inserts
data written to it into the cache. Emits an `integrity` event with the digest of
written contents when it succeeds.
##### Example
```javascript
request.get(
'https://registry.npmjs.org/cacache/-/cacache-1.0.0.tgz'
).pipe(
cacache.put.stream(
cachePath, 'registry.npmjs.org|cacache@1.0.0'
).on('integrity', d => console.log(`integrity digest is ${d}`))
)
```
#### <a name="put-options"></a> `> cacache.put options`
`cacache.put` functions have a number of options in common.
##### `opts.metadata`
Arbitrary metadata to be attached to the inserted key.
##### `opts.size`
If provided, the data stream will be verified to check that enough data was
passed through. If there's more or less data than expected, insertion will fail
with an `EBADSIZE` error.
##### `opts.integrity`
If present, the pre-calculated digest for the inserted content. If this option
if provided and does not match the post-insertion digest, insertion will fail
with an `EINTEGRITY` error.
`algorithms` has no effect if this option is present.
##### `opts.algorithms`
Default: ['sha512']
Hashing algorithms to use when calculating the [subresource integrity
digest](#integrity)
for inserted data. Can use any algorithm listed in `crypto.getHashes()` or
`'omakase'`/`'お任せします'` to pick a random hash algorithm on each insertion. You
may also use any anagram of `'modnar'` to use this feature.
Currently only supports one algorithm at a time (i.e., an array length of
exactly `1`). Has no effect if `opts.integrity` is present.
##### `opts.uid`/`opts.gid`
If provided, cacache will do its best to make sure any new files added to the
cache use this particular `uid`/`gid` combination. This can be used,
for example, to drop permissions when someone uses `sudo`, but cacache makes
no assumptions about your needs here.
##### `opts.memoize`
Default: null
If provided, cacache will memoize the given cache insertion in memory, bypassing
any filesystem checks for that key or digest in future cache fetches. Nothing
will be written to the in-memory cache unless this option is explicitly truthy.
If `opts.memoize` is an object or a `Map`-like (that is, an object with `get`
and `set` methods), it will be written to instead of the global memoization
cache.
Reading from disk data can be forced by explicitly passing `memoize: false` to
the reader functions, but their default will be to read from memory.
#### <a name="rm-all"></a> `> cacache.rm.all(cache) -> Promise`
Clears the entire cache. Mainly by blowing away the cache directory itself.
##### Example
```javascript
cacache.rm.all(cachePath).then(() => {
console.log('THE APOCALYPSE IS UPON US 😱')
})
```
#### <a name="rm-entry"></a> `> cacache.rm.entry(cache, key) -> Promise`
Alias: `cacache.rm`
Removes the index entry for `key`. Content will still be accessible if
requested directly by content address ([`get.stream.byDigest`](#get-stream)).
To remove the content itself (which might still be used by other entries), use
[`rm.content`](#rm-content). Or, to safely vacuum any unused content, use
[`verify`](#verify).
##### Example
```javascript
cacache.rm.entry(cachePath, 'my-thing').then(() => {
console.log('I did not like it anyway')
})
```
#### <a name="rm-content"></a> `> cacache.rm.content(cache, integrity) -> Promise`
Removes the content identified by `integrity`. Any index entries referring to it
will not be usable again until the content is re-added to the cache with an
identical digest.
##### Example
```javascript
cacache.rm.content(cachePath, 'sha512-SoMeDIGest/IN+BaSE64==').then(() => {
console.log('data for my-thing is gone!')
})
```
#### <a name="set-locale"></a> `> cacache.setLocale(locale)`
Configure the language/locale used for messages and errors coming from cacache.
The list of available locales is in the `./locales` directory in the project
root.
_Interested in contributing more languages! [Submit a PR](CONTRIBUTING.md)!_
#### <a name="clear-memoized"></a> `> cacache.clearMemoized()`
Completely resets the in-memory entry cache.
#### <a name="tmp-mkdir"></a> `> tmp.mkdir(cache, opts) -> Promise<Path>`
Returns a unique temporary directory inside the cache's `tmp` dir. This
directory will use the same safe user assignment that all the other stuff use.
Once the directory is made, it's the user's responsibility that all files within
are made according to the same `opts.gid`/`opts.uid` settings that would be
passed in. If not, you can ask cacache to do it for you by calling
[`tmp.fix()`](#tmp-fix), which will fix all tmp directory permissions.
If you want automatic cleanup of this directory, use
[`tmp.withTmp()`](#with-tpm)
##### Example
```javascript
cacache.tmp.mkdir(cache).then(dir => {
fs.writeFile(path.join(dir, 'blablabla'), Buffer#<1234>, ...)
})
```
#### <a name="with-tmp"></a> `> tmp.withTmp(cache, opts, cb) -> Promise`
Creates a temporary directory with [`tmp.mkdir()`](#tmp-mkdir) and calls `cb`
with it. The created temporary directory will be removed when the return value
of `cb()` resolves -- that is, if you return a Promise from `cb()`, the tmp
directory will be automatically deleted once that promise completes.
The same caveats apply when it comes to managing permissions for the tmp dir's
contents.
##### Example
```javascript
cacache.tmp.withTmp(cache, dir => {
return fs.writeFileAsync(path.join(dir, 'blablabla'), Buffer#<1234>, ...)
}).then(() => {
// `dir` no longer exists
})
```
#### <a name="integrity"></a> Subresource Integrity Digests
For content verification and addressing, cacache uses strings following the
[Subresource
Integrity spec](https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity).
That is, any time cacache expects an `integrity` argument or option, it
should be in the format `<hashAlgorithm>-<base64-hash>`.
One deviation from the current spec is that cacache will support any hash
algorithms supported by the underlying Node.js process. You can use
`crypto.getHashes()` to see which ones you can use.
##### Generating Digests Yourself
If you have an existing content shasum, they are generally formatted as a
hexadecimal string (that is, a sha1 would look like:
`5f5513f8822fdbe5145af33b64d8d970dcf95c6e`). In order to be compatible with
cacache, you'll need to convert this to an equivalent subresource integrity
string. For this example, the corresponding hash would be:
`sha1-X1UT+IIv2+UUWvM7ZNjZcNz5XG4=`.
If you want to generate an integrity string yourself for existing data, you can
use something like this:
```javascript
const crypto = require('crypto')
const hashAlgorithm = 'sha512'
const data = 'foobarbaz'
const integrity = (
hashAlgorithm +
'-' +
crypto.createHash(hashAlgorithm).update(data).digest('base64')
)
```
You can also use [`ssri`](https://npm.im/ssri) to have a richer set of functionality
around SRI strings, including generation, parsing, and translating from existing
hex-formatted strings.
#### <a name="verify"></a> `> cacache.verify(cache, opts) -> Promise`
Checks out and fixes up your cache:
* Cleans up corrupted or invalid index entries.
* Custom entry filtering options.
* Garbage collects any content entries not referenced by the index.
* Checks integrity for all content entries and removes invalid content.
* Fixes cache ownership.
* Removes the `tmp` directory in the cache and all its contents.
When it's done, it'll return an object with various stats about the verification
process, including amount of storage reclaimed, number of valid entries, number
of entries removed, etc.
##### Options
* `opts.uid` - uid to assign to cache and its contents
* `opts.gid` - gid to assign to cache and its contents
* `opts.filter` - receives a formatted entry. Return false to remove it.
Note: might be called more than once on the same entry.
##### Example
```sh
echo somegarbage >> $CACHEPATH/content/deadbeef
```
```javascript
cacache.verify(cachePath).then(stats => {
// deadbeef collected, because of invalid checksum.
console.log('cache is much nicer now! stats:', stats)
})
```
#### <a name="verify-last-run"></a> `> cacache.verify.lastRun(cache) -> Promise`
Returns a `Date` representing the last time `cacache.verify` was run on `cache`.
##### Example
```javascript
cacache.verify(cachePath).then(() => {
cacache.verify.lastRun(cachePath).then(lastTime => {
console.log('cacache.verify was last called on' + lastTime)
})
})
```

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'use strict'
module.exports = require('./locales/en.js')

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'use strict'
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'use strict'
const BB = require('bluebird')
const fs = require('fs')
const index = require('./lib/entry-index')
const memo = require('./lib/memoization')
const pipe = require('mississippi').pipe
const pipeline = require('mississippi').pipeline
const read = require('./lib/content/read')
const through = require('mississippi').through
module.exports = function get (cache, key, opts) {
return getData(false, cache, key, opts)
}
module.exports.byDigest = function getByDigest (cache, digest, opts) {
return getData(true, cache, digest, opts)
}
function getData (byDigest, cache, key, opts) {
opts = opts || {}
const memoized = (
byDigest
? memo.get.byDigest(cache, key, opts)
: memo.get(cache, key, opts)
)
if (memoized && opts.memoize !== false) {
return BB.resolve(byDigest ? memoized : {
metadata: memoized.entry.metadata,
data: memoized.data,
integrity: memoized.entry.integrity,
size: memoized.entry.size
})
}
return (
byDigest ? BB.resolve(null) : index.find(cache, key, opts)
).then(entry => {
if (!entry && !byDigest) {
throw new index.NotFoundError(cache, key)
}
return read(cache, byDigest ? key : entry.integrity, {
integrity: opts.integrity,
size: opts.size
}).then(data => byDigest ? data : {
metadata: entry.metadata,
data: data,
size: entry.size,
integrity: entry.integrity
}).then(res => {
if (opts.memoize && byDigest) {
memo.put.byDigest(cache, key, res, opts)
} else if (opts.memoize) {
memo.put(cache, entry, res.data, opts)
}
return res
})
})
}
module.exports.stream = getStream
function getStream (cache, key, opts) {
opts = opts || {}
let stream = through()
const memoized = memo.get(cache, key, opts)
if (memoized && opts.memoize !== false) {
stream.on('newListener', function (ev, cb) {
ev === 'metadata' && cb(memoized.entry.metadata)
ev === 'integrity' && cb(memoized.entry.integrity)
ev === 'size' && cb(memoized.entry.size)
})
stream.write(memoized.data, () => stream.end())
return stream
}
index.find(cache, key).then(entry => {
if (!entry) {
return stream.emit(
'error', new index.NotFoundError(cache, key)
)
}
let memoStream
if (opts.memoize) {
let memoData = []
let memoLength = 0
memoStream = through((c, en, cb) => {
memoData && memoData.push(c)
memoLength += c.length
cb(null, c, en)
}, cb => {
memoData && memo.put(cache, entry, Buffer.concat(memoData, memoLength), opts)
cb()
})
} else {
memoStream = through()
}
opts.size = opts.size == null ? entry.size : opts.size
stream.emit('metadata', entry.metadata)
stream.emit('integrity', entry.integrity)
stream.emit('size', entry.size)
stream.on('newListener', function (ev, cb) {
ev === 'metadata' && cb(entry.metadata)
ev === 'integrity' && cb(entry.integrity)
ev === 'size' && cb(entry.size)
})
pipe(
read.readStream(cache, entry.integrity, opts),
memoStream,
stream
)
}, err => stream.emit('error', err))
return stream
}
module.exports.stream.byDigest = getStreamDigest
function getStreamDigest (cache, integrity, opts) {
opts = opts || {}
const memoized = memo.get.byDigest(cache, integrity, opts)
if (memoized && opts.memoize !== false) {
const stream = through()
stream.write(memoized, () => stream.end())
return stream
} else {
let stream = read.readStream(cache, integrity, opts)
if (opts.memoize) {
let memoData = []
let memoLength = 0
const memoStream = through((c, en, cb) => {
memoData && memoData.push(c)
memoLength += c.length
cb(null, c, en)
}, cb => {
memoData && memo.put.byDigest(
cache,
integrity,
Buffer.concat(memoData, memoLength),
opts
)
cb()
})
stream = pipeline(stream, memoStream)
}
return stream
}
}
module.exports.info = info
function info (cache, key, opts) {
opts = opts || {}
const memoized = memo.get(cache, key, opts)
if (memoized && opts.memoize !== false) {
return BB.resolve(memoized.entry)
} else {
return index.find(cache, key)
}
}
module.exports.hasContent = read.hasContent
module.exports.copy = function cp (cache, key, dest, opts) {
return copy(false, cache, key, dest, opts)
}
module.exports.copy.byDigest = function cpDigest (cache, digest, dest, opts) {
return copy(true, cache, digest, dest, opts)
}
function copy (byDigest, cache, key, dest, opts) {
opts = opts || {}
if (read.copy) {
return (
byDigest ? BB.resolve(null) : index.find(cache, key, opts)
).then(entry => {
if (!entry && !byDigest) {
throw new index.NotFoundError(cache, key)
}
return read.copy(
cache, byDigest ? key : entry.integrity, dest, opts
).then(() => byDigest ? key : {
metadata: entry.metadata,
size: entry.size,
integrity: entry.integrity
})
})
} else {
return getData(byDigest, cache, key, opts).then(res => {
return fs.writeFileAsync(dest, byDigest ? res : res.data)
.then(() => byDigest ? key : {
metadata: res.metadata,
size: res.size,
integrity: res.integrity
})
})
}
}

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'use strict'
module.exports = require('./locales/en.js')

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'use strict'
const contentVer = require('../../package.json')['cache-version'].content
const hashToSegments = require('../util/hash-to-segments')
const path = require('path')
const ssri = require('ssri')
// Current format of content file path:
//
// sha512-BaSE64Hex= ->
// ~/.my-cache/content-v2/sha512/ba/da/55deadbeefc0ffee
//
module.exports = contentPath
function contentPath (cache, integrity) {
const sri = ssri.parse(integrity, {single: true})
// contentPath is the *strongest* algo given
return path.join.apply(path, [
contentDir(cache),
sri.algorithm
].concat(hashToSegments(sri.hexDigest())))
}
module.exports._contentDir = contentDir
function contentDir (cache) {
return path.join(cache, `content-v${contentVer}`)
}

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'use strict'
const BB = require('bluebird')
const contentPath = require('./path')
const fs = require('graceful-fs')
const PassThrough = require('stream').PassThrough
const pipe = BB.promisify(require('mississippi').pipe)
const ssri = require('ssri')
const Y = require('../util/y.js')
BB.promisifyAll(fs)
module.exports = read
function read (cache, integrity, opts) {
opts = opts || {}
return pickContentSri(cache, integrity).then(content => {
const sri = content.sri
const cpath = contentPath(cache, sri)
return fs.readFileAsync(cpath, null).then(data => {
if (typeof opts.size === 'number' && opts.size !== data.length) {
throw sizeError(opts.size, data.length)
} else if (ssri.checkData(data, sri)) {
return data
} else {
throw integrityError(sri, cpath)
}
})
})
}
module.exports.stream = readStream
module.exports.readStream = readStream
function readStream (cache, integrity, opts) {
opts = opts || {}
const stream = new PassThrough()
pickContentSri(
cache, integrity
).then(content => {
const sri = content.sri
return pipe(
fs.createReadStream(contentPath(cache, sri)),
ssri.integrityStream({
integrity: sri,
size: opts.size
}),
stream
)
}).catch(err => {
stream.emit('error', err)
})
return stream
}
if (fs.copyFile) {
module.exports.copy = copy
}
function copy (cache, integrity, dest, opts) {
opts = opts || {}
return pickContentSri(cache, integrity).then(content => {
const sri = content.sri
const cpath = contentPath(cache, sri)
return fs.copyFileAsync(cpath, dest).then(() => content.size)
})
}
module.exports.hasContent = hasContent
function hasContent (cache, integrity) {
if (!integrity) { return BB.resolve(false) }
return pickContentSri(cache, integrity)
.catch({code: 'ENOENT'}, () => false)
.catch({code: 'EPERM'}, err => {
if (process.platform !== 'win32') {
throw err
} else {
return false
}
}).then(content => {
if (!content.sri) return false
return ({ sri: content.sri, size: content.stat.size })
})
}
module.exports._pickContentSri = pickContentSri
function pickContentSri (cache, integrity) {
const sri = ssri.parse(integrity)
// If `integrity` has multiple entries, pick the first digest
// with available local data.
const algo = sri.pickAlgorithm()
const digests = sri[algo]
if (digests.length <= 1) {
const cpath = contentPath(cache, digests[0])
return fs.lstatAsync(cpath).then(stat => ({ sri: digests[0], stat }))
} else {
return BB.any(sri[sri.pickAlgorithm()].map(meta => {
return pickContentSri(cache, meta)
}))
.catch(err => {
if ([].some.call(err, e => e.code === 'ENOENT')) {
throw Object.assign(
new Error('No matching content found for ' + sri.toString()),
{code: 'ENOENT'}
)
} else {
throw err[0]
}
})
}
}
function sizeError (expected, found) {
var err = new Error(Y`Bad data size: expected inserted data to be ${expected} bytes, but got ${found} instead`)
err.expected = expected
err.found = found
err.code = 'EBADSIZE'
return err
}
function integrityError (sri, path) {
var err = new Error(Y`Integrity verification failed for ${sri} (${path})`)
err.code = 'EINTEGRITY'
err.sri = sri
err.path = path
return err
}

21
nova-components/NovaLeader/node_modules/cacache/lib/content/rm.js generated vendored Normal file
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'use strict'
const BB = require('bluebird')
const contentPath = require('./path')
const hasContent = require('./read').hasContent
const rimraf = BB.promisify(require('rimraf'))
module.exports = rm
function rm (cache, integrity) {
return hasContent(cache, integrity).then(content => {
if (content) {
const sri = content.sri
if (sri) {
return rimraf(contentPath(cache, sri)).then(() => true)
}
} else {
return false
}
})
}

162
nova-components/NovaLeader/node_modules/cacache/lib/content/write.js generated vendored Normal file
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'use strict'
const BB = require('bluebird')
const contentPath = require('./path')
const fixOwner = require('../util/fix-owner')
const fs = require('graceful-fs')
const moveFile = require('../util/move-file')
const PassThrough = require('stream').PassThrough
const path = require('path')
const pipe = BB.promisify(require('mississippi').pipe)
const rimraf = BB.promisify(require('rimraf'))
const ssri = require('ssri')
const to = require('mississippi').to
const uniqueFilename = require('unique-filename')
const Y = require('../util/y.js')
const writeFileAsync = BB.promisify(fs.writeFile)
module.exports = write
function write (cache, data, opts) {
opts = opts || {}
if (opts.algorithms && opts.algorithms.length > 1) {
throw new Error(
Y`opts.algorithms only supports a single algorithm for now`
)
}
if (typeof opts.size === 'number' && data.length !== opts.size) {
return BB.reject(sizeError(opts.size, data.length))
}
const sri = ssri.fromData(data, opts)
if (opts.integrity && !ssri.checkData(data, opts.integrity, opts)) {
return BB.reject(checksumError(opts.integrity, sri))
}
return BB.using(makeTmp(cache, opts), tmp => (
writeFileAsync(
tmp.target, data, {flag: 'wx'}
).then(() => (
moveToDestination(tmp, cache, sri, opts)
))
)).then(() => ({integrity: sri, size: data.length}))
}
module.exports.stream = writeStream
function writeStream (cache, opts) {
opts = opts || {}
const inputStream = new PassThrough()
let inputErr = false
function errCheck () {
if (inputErr) { throw inputErr }
}
let allDone
const ret = to((c, n, cb) => {
if (!allDone) {
allDone = handleContent(inputStream, cache, opts, errCheck)
}
inputStream.write(c, n, cb)
}, cb => {
inputStream.end(() => {
if (!allDone) {
const e = new Error(Y`Cache input stream was empty`)
e.code = 'ENODATA'
return ret.emit('error', e)
}
allDone.then(res => {
res.integrity && ret.emit('integrity', res.integrity)
res.size !== null && ret.emit('size', res.size)
cb()
}, e => {
ret.emit('error', e)
})
})
})
ret.once('error', e => {
inputErr = e
})
return ret
}
function handleContent (inputStream, cache, opts, errCheck) {
return BB.using(makeTmp(cache, opts), tmp => {
errCheck()
return pipeToTmp(
inputStream, cache, tmp.target, opts, errCheck
).then(res => {
return moveToDestination(
tmp, cache, res.integrity, opts, errCheck
).then(() => res)
})
})
}
function pipeToTmp (inputStream, cache, tmpTarget, opts, errCheck) {
return BB.resolve().then(() => {
let integrity
let size
const hashStream = ssri.integrityStream({
integrity: opts.integrity,
algorithms: opts.algorithms,
size: opts.size
}).on('integrity', s => {
integrity = s
}).on('size', s => {
size = s
})
const outStream = fs.createWriteStream(tmpTarget, {
flags: 'wx'
})
errCheck()
return pipe(inputStream, hashStream, outStream).then(() => {
return {integrity, size}
}, err => {
return rimraf(tmpTarget).then(() => { throw err })
})
})
}
function makeTmp (cache, opts) {
const tmpTarget = uniqueFilename(path.join(cache, 'tmp'), opts.tmpPrefix)
return fixOwner.mkdirfix(
path.dirname(tmpTarget), opts.uid, opts.gid
).then(() => ({
target: tmpTarget,
moved: false
})).disposer(tmp => (!tmp.moved && rimraf(tmp.target)))
}
function moveToDestination (tmp, cache, sri, opts, errCheck) {
errCheck && errCheck()
const destination = contentPath(cache, sri)
const destDir = path.dirname(destination)
return fixOwner.mkdirfix(
destDir, opts.uid, opts.gid
).then(() => {
errCheck && errCheck()
return moveFile(tmp.target, destination)
}).then(() => {
errCheck && errCheck()
tmp.moved = true
return fixOwner.chownr(destination, opts.uid, opts.gid)
})
}
function sizeError (expected, found) {
var err = new Error(Y`Bad data size: expected inserted data to be ${expected} bytes, but got ${found} instead`)
err.expected = expected
err.found = found
err.code = 'EBADSIZE'
return err
}
function checksumError (expected, found) {
var err = new Error(Y`Integrity check failed:
Wanted: ${expected}
Found: ${found}`)
err.code = 'EINTEGRITY'
err.expected = expected
err.found = found
return err
}

225
nova-components/NovaLeader/node_modules/cacache/lib/entry-index.js generated vendored Normal file
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'use strict'
const BB = require('bluebird')
const contentPath = require('./content/path')
const crypto = require('crypto')
const fixOwner = require('./util/fix-owner')
const fs = require('graceful-fs')
const hashToSegments = require('./util/hash-to-segments')
const ms = require('mississippi')
const path = require('path')
const ssri = require('ssri')
const Y = require('./util/y.js')
const indexV = require('../package.json')['cache-version'].index
const appendFileAsync = BB.promisify(fs.appendFile)
const readFileAsync = BB.promisify(fs.readFile)
const readdirAsync = BB.promisify(fs.readdir)
const concat = ms.concat
const from = ms.from
module.exports.NotFoundError = class NotFoundError extends Error {
constructor (cache, key) {
super(Y`No cache entry for \`${key}\` found in \`${cache}\``)
this.code = 'ENOENT'
this.cache = cache
this.key = key
}
}
module.exports.insert = insert
function insert (cache, key, integrity, opts) {
opts = opts || {}
const bucket = bucketPath(cache, key)
const entry = {
key,
integrity: integrity && ssri.stringify(integrity),
time: Date.now(),
size: opts.size,
metadata: opts.metadata
}
return fixOwner.mkdirfix(
path.dirname(bucket), opts.uid, opts.gid
).then(() => {
const stringified = JSON.stringify(entry)
// NOTE - Cleverness ahoy!
//
// This works because it's tremendously unlikely for an entry to corrupt
// another while still preserving the string length of the JSON in
// question. So, we just slap the length in there and verify it on read.
//
// Thanks to @isaacs for the whiteboarding session that ended up with this.
return appendFileAsync(
bucket, `\n${hashEntry(stringified)}\t${stringified}`
)
}).then(
() => fixOwner.chownr(bucket, opts.uid, opts.gid)
).catch({code: 'ENOENT'}, () => {
// There's a class of race conditions that happen when things get deleted
// during fixOwner, or between the two mkdirfix/chownr calls.
//
// It's perfectly fine to just not bother in those cases and lie
// that the index entry was written. Because it's a cache.
}).then(() => {
return formatEntry(cache, entry)
})
}
module.exports.find = find
function find (cache, key) {
const bucket = bucketPath(cache, key)
return bucketEntries(cache, bucket).then(entries => {
return entries.reduce((latest, next) => {
if (next && next.key === key) {
return formatEntry(cache, next)
} else {
return latest
}
}, null)
}).catch(err => {
if (err.code === 'ENOENT') {
return null
} else {
throw err
}
})
}
module.exports.delete = del
function del (cache, key, opts) {
return insert(cache, key, null, opts)
}
module.exports.lsStream = lsStream
function lsStream (cache) {
const indexDir = bucketDir(cache)
const stream = from.obj()
// "/cachename/*"
readdirOrEmpty(indexDir).map(bucket => {
const bucketPath = path.join(indexDir, bucket)
// "/cachename/<bucket 0xFF>/*"
return readdirOrEmpty(bucketPath).map(subbucket => {
const subbucketPath = path.join(bucketPath, subbucket)
// "/cachename/<bucket 0xFF>/<bucket 0xFF>/*"
return readdirOrEmpty(subbucketPath).map(entry => {
const getKeyToEntry = bucketEntries(
cache,
path.join(subbucketPath, entry)
).reduce((acc, entry) => {
acc.set(entry.key, entry)
return acc
}, new Map())
return getKeyToEntry.then(reduced => {
for (let entry of reduced.values()) {
const formatted = formatEntry(cache, entry)
formatted && stream.push(formatted)
}
}).catch({code: 'ENOENT'}, nop)
})
})
}).then(() => {
stream.push(null)
}, err => {
stream.emit('error', err)
})
return stream
}
module.exports.ls = ls
function ls (cache) {
return BB.fromNode(cb => {
lsStream(cache).on('error', cb).pipe(concat(entries => {
cb(null, entries.reduce((acc, xs) => {
acc[xs.key] = xs
return acc
}, {}))
}))
})
}
function bucketEntries (cache, bucket, filter) {
return readFileAsync(
bucket, 'utf8'
).then(data => {
let entries = []
data.split('\n').forEach(entry => {
if (!entry) { return }
const pieces = entry.split('\t')
if (!pieces[1] || hashEntry(pieces[1]) !== pieces[0]) {
// Hash is no good! Corruption or malice? Doesn't matter!
// EJECT EJECT
return
}
let obj
try {
obj = JSON.parse(pieces[1])
} catch (e) {
// Entry is corrupted!
return
}
if (obj) {
entries.push(obj)
}
})
return entries
})
}
module.exports._bucketDir = bucketDir
function bucketDir (cache) {
return path.join(cache, `index-v${indexV}`)
}
module.exports._bucketPath = bucketPath
function bucketPath (cache, key) {
const hashed = hashKey(key)
return path.join.apply(path, [bucketDir(cache)].concat(
hashToSegments(hashed)
))
}
module.exports._hashKey = hashKey
function hashKey (key) {
return hash(key, 'sha256')
}
module.exports._hashEntry = hashEntry
function hashEntry (str) {
return hash(str, 'sha1')
}
function hash (str, digest) {
return crypto
.createHash(digest)
.update(str)
.digest('hex')
}
function formatEntry (cache, entry) {
// Treat null digests as deletions. They'll shadow any previous entries.
if (!entry.integrity) { return null }
return {
key: entry.key,
integrity: entry.integrity,
path: contentPath(cache, entry.integrity),
size: entry.size,
time: entry.time,
metadata: entry.metadata
}
}
function readdirOrEmpty (dir) {
return readdirAsync(dir)
.catch({code: 'ENOENT'}, () => [])
.catch({code: 'ENOTDIR'}, () => [])
}
function nop () {
}

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nova-components/NovaLeader/node_modules/cacache/lib/memoization.js generated vendored Normal file
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'use strict'
const LRU = require('lru-cache')
const MAX_SIZE = 50 * 1024 * 1024 // 50MB
const MAX_AGE = 3 * 60 * 1000
let MEMOIZED = new LRU({
max: MAX_SIZE,
maxAge: MAX_AGE,
length: (entry, key) => {
if (key.startsWith('key:')) {
return entry.data.length
} else if (key.startsWith('digest:')) {
return entry.length
}
}
})
module.exports.clearMemoized = clearMemoized
function clearMemoized () {
const old = {}
MEMOIZED.forEach((v, k) => {
old[k] = v
})
MEMOIZED.reset()
return old
}
module.exports.put = put
function put (cache, entry, data, opts) {
pickMem(opts).set(`key:${cache}:${entry.key}`, { entry, data })
putDigest(cache, entry.integrity, data, opts)
}
module.exports.put.byDigest = putDigest
function putDigest (cache, integrity, data, opts) {
pickMem(opts).set(`digest:${cache}:${integrity}`, data)
}
module.exports.get = get
function get (cache, key, opts) {
return pickMem(opts).get(`key:${cache}:${key}`)
}
module.exports.get.byDigest = getDigest
function getDigest (cache, integrity, opts) {
return pickMem(opts).get(`digest:${cache}:${integrity}`)
}
class ObjProxy {
constructor (obj) {
this.obj = obj
}
get (key) { return this.obj[key] }
set (key, val) { this.obj[key] = val }
}
function pickMem (opts) {
if (!opts || !opts.memoize) {
return MEMOIZED
} else if (opts.memoize.get && opts.memoize.set) {
return opts.memoize
} else if (typeof opts.memoize === 'object') {
return new ObjProxy(opts.memoize)
} else {
return MEMOIZED
}
}

44
nova-components/NovaLeader/node_modules/cacache/lib/util/fix-owner.js generated vendored Normal file
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'use strict'
const BB = require('bluebird')
const chownr = BB.promisify(require('chownr'))
const mkdirp = BB.promisify(require('mkdirp'))
const inflight = require('promise-inflight')
module.exports.chownr = fixOwner
function fixOwner (filepath, uid, gid) {
if (!process.getuid) {
// This platform doesn't need ownership fixing
return BB.resolve()
}
if (typeof uid !== 'number' && typeof gid !== 'number') {
// There's no permissions override. Nothing to do here.
return BB.resolve()
}
if ((typeof uid === 'number' && process.getuid() === uid) &&
(typeof gid === 'number' && process.getgid() === gid)) {
// No need to override if it's already what we used.
return BB.resolve()
}
return inflight(
'fixOwner: fixing ownership on ' + filepath,
() => chownr(
filepath,
typeof uid === 'number' ? uid : process.getuid(),
typeof gid === 'number' ? gid : process.getgid()
).catch({code: 'ENOENT'}, () => null)
)
}
module.exports.mkdirfix = mkdirfix
function mkdirfix (p, uid, gid, cb) {
return mkdirp(p).then(made => {
if (made) {
return fixOwner(made, uid, gid).then(() => made)
}
}).catch({code: 'EEXIST'}, () => {
// There's a race in mkdirp!
return fixOwner(p, uid, gid).then(() => null)
})
}

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nova-components/NovaLeader/node_modules/cacache/lib/util/hash-to-segments.js generated vendored Normal file
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'use strict'
module.exports = hashToSegments
function hashToSegments (hash) {
return [
hash.slice(0, 2),
hash.slice(2, 4),
hash.slice(4)
]
}

51
nova-components/NovaLeader/node_modules/cacache/lib/util/move-file.js generated vendored Normal file
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'use strict'
const fs = require('graceful-fs')
const BB = require('bluebird')
const chmod = BB.promisify(fs.chmod)
const unlink = BB.promisify(fs.unlink)
let move
let pinflight
module.exports = moveFile
function moveFile (src, dest) {
// This isn't quite an fs.rename -- the assumption is that
// if `dest` already exists, and we get certain errors while
// trying to move it, we should just not bother.
//
// In the case of cache corruption, users will receive an
// EINTEGRITY error elsewhere, and can remove the offending
// content their own way.
//
// Note that, as the name suggests, this strictly only supports file moves.
return BB.fromNode(cb => {
fs.link(src, dest, err => {
if (err) {
if (err.code === 'EEXIST' || err.code === 'EBUSY') {
// file already exists, so whatever
} else if (err.code === 'EPERM' && process.platform === 'win32') {
// file handle stayed open even past graceful-fs limits
} else {
return cb(err)
}
}
return cb()
})
}).then(() => {
// content should never change for any reason, so make it read-only
return BB.join(unlink(src), process.platform !== 'win32' && chmod(dest, '0444'))
}).catch(() => {
if (!pinflight) { pinflight = require('promise-inflight') }
return pinflight('cacache-move-file:' + dest, () => {
return BB.promisify(fs.stat)(dest).catch(err => {
if (err.code !== 'ENOENT') {
// Something else is wrong here. Bail bail bail
throw err
}
// file doesn't already exist! let's try a rename -> copy fallback
if (!move) { move = require('move-concurrently') }
return move(src, dest, { BB, fs })
})
})
})
}

32
nova-components/NovaLeader/node_modules/cacache/lib/util/tmp.js generated vendored Normal file
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'use strict'
const BB = require('bluebird')
const fixOwner = require('./fix-owner')
const path = require('path')
const rimraf = BB.promisify(require('rimraf'))
const uniqueFilename = require('unique-filename')
module.exports.mkdir = mktmpdir
function mktmpdir (cache, opts) {
opts = opts || {}
const tmpTarget = uniqueFilename(path.join(cache, 'tmp'), opts.tmpPrefix)
return fixOwner.mkdirfix(tmpTarget, opts.uid, opts.gid).then(() => {
return tmpTarget
})
}
module.exports.withTmp = withTmp
function withTmp (cache, opts, cb) {
if (!cb) {
cb = opts
opts = null
}
opts = opts || {}
return BB.using(mktmpdir(cache, opts).disposer(rimraf), cb)
}
module.exports.fix = fixtmpdir
function fixtmpdir (cache, opts) {
return fixOwner(path.join(cache, 'tmp'), opts.uid, opts.gid)
}

25
nova-components/NovaLeader/node_modules/cacache/lib/util/y.js generated vendored Normal file
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'use strict'
const path = require('path')
const y18n = require('y18n')({
directory: path.join(__dirname, '../../locales'),
locale: 'en',
updateFiles: process.env.CACACHE_UPDATE_LOCALE_FILES === 'true'
})
module.exports = yTag
function yTag (parts) {
let str = ''
parts.forEach((part, i) => {
const arg = arguments[i + 1]
str += part
if (arg) {
str += '%s'
}
})
return y18n.__.apply(null, [str].concat([].slice.call(arguments, 1)))
}
module.exports.setLocale = locale => {
y18n.setLocale(locale)
}

213
nova-components/NovaLeader/node_modules/cacache/lib/verify.js generated vendored Normal file
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'use strict'
const BB = require('bluebird')
const contentPath = require('./content/path')
const finished = BB.promisify(require('mississippi').finished)
const fixOwner = require('./util/fix-owner')
const fs = require('graceful-fs')
const glob = BB.promisify(require('glob'))
const index = require('./entry-index')
const path = require('path')
const rimraf = BB.promisify(require('rimraf'))
const ssri = require('ssri')
BB.promisifyAll(fs)
module.exports = verify
function verify (cache, opts) {
opts = opts || {}
opts.log && opts.log.silly('verify', 'verifying cache at', cache)
return BB.reduce([
markStartTime,
fixPerms,
garbageCollect,
rebuildIndex,
cleanTmp,
writeVerifile,
markEndTime
], (stats, step, i) => {
const label = step.name || `step #${i}`
const start = new Date()
return BB.resolve(step(cache, opts)).then(s => {
s && Object.keys(s).forEach(k => {
stats[k] = s[k]
})
const end = new Date()
if (!stats.runTime) { stats.runTime = {} }
stats.runTime[label] = end - start
return stats
})
}, {}).tap(stats => {
stats.runTime.total = stats.endTime - stats.startTime
opts.log && opts.log.silly('verify', 'verification finished for', cache, 'in', `${stats.runTime.total}ms`)
})
}
function markStartTime (cache, opts) {
return { startTime: new Date() }
}
function markEndTime (cache, opts) {
return { endTime: new Date() }
}
function fixPerms (cache, opts) {
opts.log && opts.log.silly('verify', 'fixing cache permissions')
return fixOwner.mkdirfix(cache, opts.uid, opts.gid).then(() => {
// TODO - fix file permissions too
return fixOwner.chownr(cache, opts.uid, opts.gid)
}).then(() => null)
}
// Implements a naive mark-and-sweep tracing garbage collector.
//
// The algorithm is basically as follows:
// 1. Read (and filter) all index entries ("pointers")
// 2. Mark each integrity value as "live"
// 3. Read entire filesystem tree in `content-vX/` dir
// 4. If content is live, verify its checksum and delete it if it fails
// 5. If content is not marked as live, rimraf it.
//
function garbageCollect (cache, opts) {
opts.log && opts.log.silly('verify', 'garbage collecting content')
const indexStream = index.lsStream(cache)
const liveContent = new Set()
indexStream.on('data', entry => {
if (opts && opts.filter && !opts.filter(entry)) { return }
liveContent.add(entry.integrity.toString())
})
return finished(indexStream).then(() => {
const contentDir = contentPath._contentDir(cache)
return glob(path.join(contentDir, '**'), {
follow: false,
nodir: true,
nosort: true
}).then(files => {
return BB.resolve({
verifiedContent: 0,
reclaimedCount: 0,
reclaimedSize: 0,
badContentCount: 0,
keptSize: 0
}).tap((stats) => BB.map(files, (f) => {
const split = f.split(/[/\\]/)
const digest = split.slice(split.length - 3).join('')
const algo = split[split.length - 4]
const integrity = ssri.fromHex(digest, algo)
if (liveContent.has(integrity.toString())) {
return verifyContent(f, integrity).then(info => {
if (!info.valid) {
stats.reclaimedCount++
stats.badContentCount++
stats.reclaimedSize += info.size
} else {
stats.verifiedContent++
stats.keptSize += info.size
}
return stats
})
} else {
// No entries refer to this content. We can delete.
stats.reclaimedCount++
return fs.statAsync(f).then(s => {
return rimraf(f).then(() => {
stats.reclaimedSize += s.size
return stats
})
})
}
}, {concurrency: opts.concurrency || 20}))
})
})
}
function verifyContent (filepath, sri) {
return fs.statAsync(filepath).then(stat => {
const contentInfo = {
size: stat.size,
valid: true
}
return ssri.checkStream(
fs.createReadStream(filepath),
sri
).catch(err => {
if (err.code !== 'EINTEGRITY') { throw err }
return rimraf(filepath).then(() => {
contentInfo.valid = false
})
}).then(() => contentInfo)
}).catch({code: 'ENOENT'}, () => ({size: 0, valid: false}))
}
function rebuildIndex (cache, opts) {
opts.log && opts.log.silly('verify', 'rebuilding index')
return index.ls(cache).then(entries => {
const stats = {
missingContent: 0,
rejectedEntries: 0,
totalEntries: 0
}
const buckets = {}
for (let k in entries) {
if (entries.hasOwnProperty(k)) {
const hashed = index._hashKey(k)
const entry = entries[k]
const excluded = opts && opts.filter && !opts.filter(entry)
excluded && stats.rejectedEntries++
if (buckets[hashed] && !excluded) {
buckets[hashed].push(entry)
} else if (buckets[hashed] && excluded) {
// skip
} else if (excluded) {
buckets[hashed] = []
buckets[hashed]._path = index._bucketPath(cache, k)
} else {
buckets[hashed] = [entry]
buckets[hashed]._path = index._bucketPath(cache, k)
}
}
}
return BB.map(Object.keys(buckets), key => {
return rebuildBucket(cache, buckets[key], stats, opts)
}, {concurrency: opts.concurrency || 20}).then(() => stats)
})
}
function rebuildBucket (cache, bucket, stats, opts) {
return fs.truncateAsync(bucket._path).then(() => {
// This needs to be serialized because cacache explicitly
// lets very racy bucket conflicts clobber each other.
return BB.mapSeries(bucket, entry => {
const content = contentPath(cache, entry.integrity)
return fs.statAsync(content).then(() => {
return index.insert(cache, entry.key, entry.integrity, {
uid: opts.uid,
gid: opts.gid,
metadata: entry.metadata
}).then(() => { stats.totalEntries++ })
}).catch({code: 'ENOENT'}, () => {
stats.rejectedEntries++
stats.missingContent++
})
})
})
}
function cleanTmp (cache, opts) {
opts.log && opts.log.silly('verify', 'cleaning tmp directory')
return rimraf(path.join(cache, 'tmp'))
}
function writeVerifile (cache, opts) {
const verifile = path.join(cache, '_lastverified')
opts.log && opts.log.silly('verify', 'writing verifile to ' + verifile)
return fs.writeFileAsync(verifile, '' + (+(new Date())))
}
module.exports.lastRun = lastRun
function lastRun (cache) {
return fs.readFileAsync(
path.join(cache, '_lastverified'), 'utf8'
).then(data => new Date(+data))
}

44
nova-components/NovaLeader/node_modules/cacache/locales/en.js generated vendored Normal file
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'use strict'
const ls = require('../ls.js')
const get = require('../get.js')
const put = require('../put.js')
const rm = require('../rm.js')
const verify = require('../verify.js')
const setLocale = require('../lib/util/y.js').setLocale
const clearMemoized = require('../lib/memoization.js').clearMemoized
const tmp = require('../lib/util/tmp.js')
setLocale('en')
const x = module.exports
x.ls = cache => ls(cache)
x.ls.stream = cache => ls.stream(cache)
x.get = (cache, key, opts) => get(cache, key, opts)
x.get.byDigest = (cache, hash, opts) => get.byDigest(cache, hash, opts)
x.get.stream = (cache, key, opts) => get.stream(cache, key, opts)
x.get.stream.byDigest = (cache, hash, opts) => get.stream.byDigest(cache, hash, opts)
x.get.copy = (cache, key, dest, opts) => get.copy(cache, key, dest, opts)
x.get.copy.byDigest = (cache, hash, dest, opts) => get.copy.byDigest(cache, hash, dest, opts)
x.get.info = (cache, key) => get.info(cache, key)
x.get.hasContent = (cache, hash) => get.hasContent(cache, hash)
x.put = (cache, key, data, opts) => put(cache, key, data, opts)
x.put.stream = (cache, key, opts) => put.stream(cache, key, opts)
x.rm = (cache, key) => rm.entry(cache, key)
x.rm.all = cache => rm.all(cache)
x.rm.entry = x.rm
x.rm.content = (cache, hash) => rm.content(cache, hash)
x.setLocale = lang => setLocale(lang)
x.clearMemoized = () => clearMemoized()
x.tmp = {}
x.tmp.mkdir = (cache, opts) => tmp.mkdir(cache, opts)
x.tmp.withTmp = (cache, opts, cb) => tmp.withTmp(cache, opts, cb)
x.verify = (cache, opts) => verify(cache, opts)
x.verify.lastRun = cache => verify.lastRun(cache)

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nova-components/NovaLeader/node_modules/cacache/locales/en.json generated vendored Normal file
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{
"No cache entry for `%s` found in `%s`": "No cache entry for %s found in %s",
"Integrity verification failed for %s (%s)": "Integrity verification failed for %s (%s)",
"Bad data size: expected inserted data to be %s bytes, but got %s instead": "Bad data size: expected inserted data to be %s bytes, but got %s instead",
"Cache input stream was empty": "Cache input stream was empty"
}

46
nova-components/NovaLeader/node_modules/cacache/locales/es.js generated vendored Normal file
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'use strict'
const ls = require('../ls.js')
const get = require('../get.js')
const put = require('../put.js')
const rm = require('../rm.js')
const verify = require('../verify.js')
const setLocale = require('../lib/util/y.js').setLocale
const clearMemoized = require('../lib/memoization.js').clearMemoized
const tmp = require('../lib/util/tmp.js')
setLocale('es')
const x = module.exports
x.ls = cache => ls(cache)
x.ls.flujo = cache => ls.stream(cache)
x.saca = (cache, clave, ops) => get(cache, clave, ops)
x.saca.porHacheo = (cache, hacheo, ops) => get.byDigest(cache, hacheo, ops)
x.saca.flujo = (cache, clave, ops) => get.stream(cache, clave, ops)
x.saca.flujo.porHacheo = (cache, hacheo, ops) => get.stream.byDigest(cache, hacheo, ops)
x.sava.copia = (cache, clave, destino, opts) => get.copy(cache, clave, destino, opts)
x.sava.copia.porHacheo = (cache, hacheo, destino, opts) => get.copy.byDigest(cache, hacheo, destino, opts)
x.saca.info = (cache, clave) => get.info(cache, clave)
x.saca.tieneDatos = (cache, hacheo) => get.hasContent(cache, hacheo)
x.mete = (cache, clave, datos, ops) => put(cache, clave, datos, ops)
x.mete.flujo = (cache, clave, ops) => put.stream(cache, clave, ops)
x.rm = (cache, clave) => rm.entry(cache, clave)
x.rm.todo = cache => rm.all(cache)
x.rm.entrada = x.rm
x.rm.datos = (cache, hacheo) => rm.content(cache, hacheo)
x.ponLenguaje = lang => setLocale(lang)
x.limpiaMemoizado = () => clearMemoized()
x.tmp = {}
x.tmp.mkdir = (cache, ops) => tmp.mkdir(cache, ops)
x.tmp.hazdir = x.tmp.mkdir
x.tmp.conTmp = (cache, ops, cb) => tmp.withTmp(cache, ops, cb)
x.verifica = (cache, ops) => verify(cache, ops)
x.verifica.ultimaVez = cache => verify.lastRun(cache)
x.verifica.últimaVez = x.verifica.ultimaVez

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nova-components/NovaLeader/node_modules/cacache/locales/es.json generated vendored Normal file
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{
"No cache entry for `%s` found in `%s`": "No existe ninguna entrada para «%s» en «%s»",
"Integrity verification failed for %s (%s)": "Verificación de integridad falló para «%s» (%s)",
"Bad data size: expected inserted data to be %s bytes, but got %s instead": "Tamaño incorrecto de datos: los datos insertados debieron haber sido %s octetos, pero fueron %s",
"Cache input stream was empty": "El stream de entrada al caché estaba vacío"
}

6
nova-components/NovaLeader/node_modules/cacache/ls.js generated vendored Normal file
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'use strict'
var index = require('./lib/entry-index')
module.exports = index.ls
module.exports.stream = index.lsStream

126
nova-components/NovaLeader/node_modules/cacache/package.json generated vendored Normal file
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{
"_from": "cacache@^10.0.4",
"_id": "cacache@10.0.4",
"_inBundle": false,
"_integrity": "sha512-Dph0MzuH+rTQzGPNT9fAnrPmMmjKfST6trxJeK7NQuHRaVw24VzPRWTmg9MpcwOVQZO0E1FBICUlFeNaKPIfHA==",
"_location": "/cacache",
"_phantomChildren": {},
"_requested": {
"type": "range",
"registry": true,
"raw": "cacache@^10.0.4",
"name": "cacache",
"escapedName": "cacache",
"rawSpec": "^10.0.4",
"saveSpec": null,
"fetchSpec": "^10.0.4"
},
"_requiredBy": [
"/uglifyjs-webpack-plugin"
],
"_resolved": "https://registry.npmjs.org/cacache/-/cacache-10.0.4.tgz",
"_shasum": "6452367999eff9d4188aefd9a14e9d7c6a263460",
"_spec": "cacache@^10.0.4",
"_where": "D:\\developments\\teaser-inertia\\nova-components\\NovaLeader\\node_modules\\uglifyjs-webpack-plugin",
"author": {
"name": "Kat Marchán",
"email": "kzm@sykosomatic.org"
},
"bugs": {
"url": "https://github.com/zkat/cacache/issues"
},
"bundleDependencies": false,
"cache-version": {
"content": "2",
"index": "5"
},
"config": {
"nyc": {
"exclude": [
"node_modules/**",
"test/**"
]
}
},
"contributors": [
{
"name": "Charlotte Spencer",
"email": "charlottelaspencer@gmail.com"
},
{
"name": "Rebecca Turner",
"email": "me@re-becca.org"
}
],
"dependencies": {
"bluebird": "^3.5.1",
"chownr": "^1.0.1",
"glob": "^7.1.2",
"graceful-fs": "^4.1.11",
"lru-cache": "^4.1.1",
"mississippi": "^2.0.0",
"mkdirp": "^0.5.1",
"move-concurrently": "^1.0.1",
"promise-inflight": "^1.0.1",
"rimraf": "^2.6.2",
"ssri": "^5.2.4",
"unique-filename": "^1.1.0",
"y18n": "^4.0.0"
},
"deprecated": false,
"description": "Fast, fault-tolerant, cross-platform, disk-based, data-agnostic, content-addressable cache.",
"devDependencies": {
"benchmark": "^2.1.4",
"chalk": "^2.3.1",
"cross-env": "^5.1.3",
"nyc": "^11.4.1",
"require-inject": "^1.4.2",
"safe-buffer": "^5.1.1",
"standard": "^10.0.3",
"standard-version": "^4.3.0",
"tacks": "^1.2.2",
"tap": "^11.1.0",
"weallbehave": "^1.2.0",
"weallcontribute": "^1.0.8"
},
"files": [
"*.js",
"lib",
"locales"
],
"homepage": "https://github.com/zkat/cacache#readme",
"keywords": [
"cache",
"caching",
"content-addressable",
"sri",
"sri hash",
"subresource integrity",
"cache",
"storage",
"store",
"file store",
"filesystem",
"disk cache",
"disk storage"
],
"license": "ISC",
"main": "index.js",
"name": "cacache",
"repository": {
"type": "git",
"url": "git+https://github.com/zkat/cacache.git"
},
"scripts": {
"benchmarks": "node test/benchmarks",
"postrelease": "npm publish && git push --follow-tags",
"prerelease": "npm t",
"pretest": "standard",
"release": "standard-version -s",
"test": "cross-env CACACHE_UPDATE_LOCALE_FILES=true nyc --all -- tap -J test/*.js",
"test-docker": "docker run -it --rm --name pacotest -v \"$PWD\":/tmp -w /tmp node:latest npm test",
"update-coc": "weallbehave -o . && git add CODE_OF_CONDUCT.md && git commit -m 'docs(coc): updated CODE_OF_CONDUCT.md'",
"update-contrib": "weallcontribute -o . && git add CONTRIBUTING.md && git commit -m 'docs(contributing): updated CONTRIBUTING.md'"
},
"version": "10.0.4"
}

71
nova-components/NovaLeader/node_modules/cacache/put.js generated vendored Normal file
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'use strict'
const index = require('./lib/entry-index')
const memo = require('./lib/memoization')
const write = require('./lib/content/write')
const to = require('mississippi').to
module.exports = putData
function putData (cache, key, data, opts) {
opts = opts || {}
return write(cache, data, opts).then(res => {
// TODO - stop modifying opts
opts.size = res.size
return index.insert(cache, key, res.integrity, opts).then(entry => {
if (opts.memoize) {
memo.put(cache, entry, data, opts)
}
return res.integrity
})
})
}
module.exports.stream = putStream
function putStream (cache, key, opts) {
opts = opts || {}
let integrity
let size
const contentStream = write.stream(
cache, opts
).on('integrity', int => {
integrity = int
}).on('size', s => {
size = s
})
let memoData
let memoTotal = 0
const stream = to((chunk, enc, cb) => {
contentStream.write(chunk, enc, () => {
if (opts.memoize) {
if (!memoData) { memoData = [] }
memoData.push(chunk)
memoTotal += chunk.length
}
cb()
})
}, cb => {
contentStream.end(() => {
// TODO - stop modifying `opts`
opts.size = size
index.insert(cache, key, integrity, opts).then(entry => {
if (opts.memoize) {
memo.put(cache, entry, Buffer.concat(memoData, memoTotal), opts)
}
stream.emit('integrity', integrity)
cb()
})
})
})
let erred = false
stream.once('error', err => {
if (erred) { return }
erred = true
contentStream.emit('error', err)
})
contentStream.once('error', err => {
if (erred) { return }
erred = true
stream.emit('error', err)
})
return stream
}

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nova-components/NovaLeader/node_modules/cacache/rm.js generated vendored Normal file
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'use strict'
const BB = require('bluebird')
const index = require('./lib/entry-index')
const memo = require('./lib/memoization')
const path = require('path')
const rimraf = BB.promisify(require('rimraf'))
const rmContent = require('./lib/content/rm')
module.exports = entry
module.exports.entry = entry
function entry (cache, key) {
memo.clearMemoized()
return index.delete(cache, key)
}
module.exports.content = content
function content (cache, integrity) {
memo.clearMemoized()
return rmContent(cache, integrity)
}
module.exports.all = all
function all (cache) {
memo.clearMemoized()
return rimraf(path.join(cache, '*(content-*|index-*)'))
}

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nova-components/NovaLeader/node_modules/cacache/verify.js generated vendored Normal file
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'use strict'
module.exports = require('./lib/verify')