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Adding support for Buffer objects in "fs" methods.
fs.writeFile(), fs.appendFile() and friends may accept an instance of Buffer as an argument. Also, fs.readFile() and friends now return an instance of Buffer instead of Byte-string when encoding is not provided. Added Buffer encoding for fs.readdir(), fs.realpath() and friends.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| var fs = require('fs'); | ||
| var fname = './build/test/fs_appendFile'; | ||
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| var argv = process.argv.slice(2); | ||
|
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| var data = (() => { | ||
| var value = argv[0]; | ||
| var type = argv[1]; | ||
| var offset = argv[2] ? parseInt(argv[2]) : 0; | ||
|
|
||
| switch (type) { | ||
| case 'Buffer': | ||
| return Buffer.from(Buffer.from(value).buffer, offset); | ||
| case 'DataView': | ||
| return new DataView(Buffer.from(value).buffer, offset); | ||
| case 'Object': | ||
| return {toString(){return value}}; | ||
| case 'String': | ||
| return String(value); | ||
| case 'Symbol': | ||
| return Symbol(value); | ||
| case 'Uint8Array': | ||
| return new Uint8Array(Buffer.from(value).buffer, offset); | ||
| default: | ||
| throw new Error(`Unknown data type:${type}`); | ||
| } | ||
| })(); | ||
|
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| var options = (() => { | ||
| var encoding = argv[2]; | ||
| var mode = argv[3] ? parseInt(argv[3].slice(2), 8) : 0; | ||
|
|
||
| if (encoding && mode) { | ||
| return {encoding, mode}; | ||
|
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| } else if (encoding) { | ||
| return encoding; | ||
| } | ||
|
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| return undefined; | ||
| })(); | ||
|
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| try { fs.unlinkSync(fname); } catch (e) {} | ||
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| function done(e) { | ||
| if (e) {throw e}; | ||
| var data = fs.readFileSync(fname); | ||
| console.log(String(data)); | ||
| } | ||
|
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| function append(cb) { | ||
| if (options) { | ||
| var path = Buffer.from(`@${fname}`).slice(1); | ||
| fs.appendFile(path, data, options, cb); | ||
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| } else { | ||
| fs.appendFile(fname, data, cb); | ||
| } | ||
| } | ||
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| append((e) => {if (e) {throw e}; append(done);}) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| var fs = require('fs'); | ||
| var fname = './build/test/fs_appendFileSync'; | ||
|
|
||
| var argv = process.argv.slice(2); | ||
|
|
||
| var data = (() => { | ||
| var value = argv[0]; | ||
| var type = argv[1]; | ||
| var offset = argv[2] ? parseInt(argv[2]) : 0; | ||
|
|
||
| switch (type) { | ||
| case 'Buffer': | ||
| return Buffer.from(Buffer.from(value).buffer, offset); | ||
| case 'DataView': | ||
| return new DataView(Buffer.from(value).buffer, offset); | ||
| case 'Object': | ||
| return {toString(){return value}}; | ||
| case 'String': | ||
| return String(value); | ||
| case 'Symbol': | ||
| return Symbol(value); | ||
| case 'Uint8Array': | ||
| return new Uint8Array(Buffer.from(value).buffer, offset); | ||
| default: | ||
| throw new Error(`Unknown data type:${type}`); | ||
| } | ||
| })(); | ||
|
|
||
| var options = (() => { | ||
| var encoding = argv[2]; | ||
| var mode = argv[3] ? parseInt(argv[3].slice(2), 8) : 0; | ||
|
|
||
| if (encoding && mode) { | ||
| return {encoding, mode}; | ||
|
|
||
| } else if (encoding) { | ||
| return encoding; | ||
| } | ||
|
|
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| return undefined; | ||
| })(); | ||
|
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| function append() { | ||
| if (options) { | ||
| var path = Buffer.from(`@${fname}`).slice(1); | ||
| fs.appendFileSync(path, data, options); | ||
|
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| } else { | ||
| fs.appendFileSync(fname, data); | ||
| } | ||
| } | ||
|
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| try { fs.unlinkSync(fname); } catch (e) {} | ||
|
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| append(); | ||
| append(); | ||
|
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| var ret = fs.readFileSync(fname); | ||
| console.log(String(ret)); |
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