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cache-storage-chunk-store
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cache-storage-chunk-store - npm Package Compare versions
Comparing version 1.0.1 to 1.0.2
| /*! For license information please see cache-storage-chunk-store.min.js.LICENSE.txt */ | ||
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| //# sourceMappingURL=cache-storage-chunk-store.min.js.map |
@@ -9,3 +9,1 @@ /*! | ||
| /*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */ | ||
| /*! queue-microtask. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */ |
51
index.js
@@ -1,10 +0,10 @@ | ||
| const queueMicrotask = require('queue-microtask') | ||
| const Buffer = require('buffer').Buffer | ||
| function noop () {} | ||
| class Storage { | ||
| constructor (chunkLength, opts) { | ||
| constructor (chunkLength, opts = {}) { | ||
| if (!window || !window.caches) throw new Error('Not supported on this platform') | ||
| if (!(this instanceof Storage)) return new Storage(chunkLength, opts) | ||
| if (!opts) opts = {} | ||
@@ -24,3 +24,3 @@ this.chunkLength = Number(chunkLength) | ||
| put (index, buf, cb) { | ||
| put (index, buf, cb = noop) { | ||
| if (this.closed) return nextTick(cb, new Error('Storage is closed')) | ||
@@ -55,7 +55,7 @@ | ||
| .put('/index/' + index, response) | ||
| .then(() => callcb(cb, null)) | ||
| .then(() => cb(null)) | ||
| }) | ||
| } | ||
| get (index, opts, cb) { | ||
| get (index, opts, cb = noop) { | ||
| if (typeof opts === 'function') { | ||
@@ -73,24 +73,25 @@ cb = opts | ||
| err.notFound = true | ||
| return callcb(cb, err) | ||
| return cb(err) | ||
| } | ||
| let buf | ||
| const isLastChunk = index === this.lastChunkIndex | ||
| const bytes = new Uint8Array(isLastChunk ? this.lastChunkLength : this.chunkLength) | ||
| const reader = response.body.getReader() | ||
| const fail = (err) => callcb(cb, err) | ||
| const readChunk = ({ done, value }) => { | ||
| let offset = 0 | ||
| reader.read().then(function readChunk ({ done, value }) { | ||
| if (done) { | ||
| if (!opts) return callcb(cb, null, buf) | ||
| const buf = Buffer.from(bytes) | ||
| if (!opts) return cb(null, buf) | ||
| const offset = opts.offset || 0 | ||
| const len = opts.length || buf.length - offset | ||
| return callcb(cb, null, buf.slice(offset, len + offset)) | ||
| return cb(null, buf.slice(offset, len + offset)) | ||
| } | ||
| buf = buf ? Buffer.concat([buf, Buffer.from(value)]) : Buffer.from(value) | ||
| bytes.set(value, offset) | ||
| offset += value.length | ||
| reader.read().then(readChunk).catch(fail) | ||
| } | ||
| reader.read().then(readChunk).catch(fail) | ||
| return reader.read().then(readChunk) | ||
| }).catch(cb) | ||
| }) | ||
@@ -100,3 +101,3 @@ }) | ||
| close (cb) { | ||
| close (cb = noop) { | ||
| if (this.closed) return nextTick(cb, new Error('Storage is closed')) | ||
@@ -106,6 +107,6 @@ | ||
| callcb(cb, null) | ||
| nextTick(cb, null) | ||
| } | ||
| destroy (cb) { | ||
| destroy (cb = noop) { | ||
| if (this.closed) return nextTick(cb, new Error('Storage is closed')) | ||
@@ -121,3 +122,3 @@ | ||
| callcb(cb, null) | ||
| cb(null) | ||
| }) | ||
@@ -129,9 +130,5 @@ }) | ||
| function nextTick (cb, err, val) { | ||
| if (cb) queueMicrotask(() => cb(err, val)) | ||
| queueMicrotask(() => cb(err, val)) | ||
| } | ||
| function callcb (cb, err, val) { | ||
| if (cb) cb(err, val) | ||
| } | ||
| module.exports = Storage |
| { | ||
| "name": "cache-storage-chunk-store", | ||
| "version": "1.0.1", | ||
| "version": "1.0.2", | ||
| "description": "Browser CacheStorage chunk store that is abstract-chunk-store compliant", | ||
@@ -32,4 +32,3 @@ "author": "Mathias Rasmussen <mathiasvr@gmail.com>", | ||
| "dependencies": { | ||
| "buffer": "^6.0.2", | ||
| "queue-microtask": "^1.2.0" | ||
| "buffer": "^6.0.2" | ||
| }, | ||
@@ -36,0 +35,0 @@ "devDependencies": { |
@@ -20,3 +20,3 @@ # cache-storage-chunk-store | ||
| ```html | ||
| <script src="https://cdn.jsdelivr.net/npm/cache-storage-chunk-store@1/dist/cache-storage-chunk-store.min.js"></script> | ||
| <script src="https://cdn.jsdelivr.net/npm/cache-storage-chunk-store@1.x/dist/cache-storage-chunk-store.min.js"></script> | ||
| ``` | ||
@@ -32,6 +32,13 @@ | ||
| chunks.put(0, buffer, (err) => console.error(err)) | ||
| chunks.get(0, (err, buf) => console.log(err, buf)) | ||
| ``` | ||
| ## Known issues | ||
| Chrome can stall and never finish if running many `get` calls concurrently. | ||
| Specifically this problem occurs when calling the `ReadableStream.getReader.read()` function more than once. | ||
| ## License | ||
| MIT |
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Fixed alerts
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Improved metrics
- Dependency count
- decreased by-50%
1
- Number of lines in readme file
- increased by19.44%
43
Worsened metrics
- Total package byte prevSize
- decreased by-0.46%
152727
- Lines of code
- decreased by-0.94%
211
Dependency changes
- Removedqueue-microtask@^1.2.0
- Removedqueue-microtask@1.2.3(transitive)