diff options
Diffstat (limited to 'deps/npm/node_modules/npm-registry-fetch/node_modules/cacache/get.js')
-rw-r--r-- | deps/npm/node_modules/npm-registry-fetch/node_modules/cacache/get.js | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/deps/npm/node_modules/npm-registry-fetch/node_modules/cacache/get.js b/deps/npm/node_modules/npm-registry-fetch/node_modules/cacache/get.js deleted file mode 100644 index 2bb3afa528..0000000000 --- a/deps/npm/node_modules/npm-registry-fetch/node_modules/cacache/get.js +++ /dev/null @@ -1,190 +0,0 @@ -'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 - }) - }) - } -} |