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Diffstat (limited to 'sandbox/testAppNevena/Front/node_modules/cacache/put.js')
-rw-r--r-- | sandbox/testAppNevena/Front/node_modules/cacache/put.js | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sandbox/testAppNevena/Front/node_modules/cacache/put.js b/sandbox/testAppNevena/Front/node_modules/cacache/put.js new file mode 100644 index 00000000..84e9562b --- /dev/null +++ b/sandbox/testAppNevena/Front/node_modules/cacache/put.js @@ -0,0 +1,83 @@ +'use strict' + +const index = require('./lib/entry-index') +const memo = require('./lib/memoization') +const write = require('./lib/content/write') +const Flush = require('minipass-flush') +const { PassThrough } = require('minipass-collect') +const Pipeline = require('minipass-pipeline') + +const putOpts = (opts) => ({ + algorithms: ['sha512'], + ...opts, +}) + +module.exports = putData + +function putData (cache, key, data, opts = {}) { + const { memoize } = opts + opts = putOpts(opts) + return write(cache, data, opts).then((res) => { + return index + .insert(cache, key, res.integrity, { ...opts, size: res.size }) + .then((entry) => { + if (memoize) + memo.put(cache, entry, data, opts) + + return res.integrity + }) + }) +} + +module.exports.stream = putStream + +function putStream (cache, key, opts = {}) { + const { memoize } = opts + opts = putOpts(opts) + let integrity + let size + + let memoData + const pipeline = new Pipeline() + // first item in the pipeline is the memoizer, because we need + // that to end first and get the collected data. + if (memoize) { + const memoizer = new PassThrough().on('collect', data => { + memoData = data + }) + pipeline.push(memoizer) + } + + // contentStream is a write-only, not a passthrough + // no data comes out of it. + const contentStream = write.stream(cache, opts) + .on('integrity', (int) => { + integrity = int + }) + .on('size', (s) => { + size = s + }) + + pipeline.push(contentStream) + + // last but not least, we write the index and emit hash and size, + // and memoize if we're doing that + pipeline.push(new Flush({ + flush () { + return index + .insert(cache, key, integrity, { ...opts, size }) + .then((entry) => { + if (memoize && memoData) + memo.put(cache, entry, memoData, opts) + + if (integrity) + pipeline.emit('integrity', integrity) + + if (size) + pipeline.emit('size', size) + }) + }, + })) + + return pipeline +} |