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promises: use encoding in readFile #19296

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promises: use encoding in readFile #19296

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benjamingr
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Fixes: #19286

@nodejs/fs

@benjamingr benjamingr added fs Issues and PRs related to the fs subsystem / file system. promises Issues and PRs related to ECMAScript promises. labels Mar 12, 2018
@benjamingr benjamingr changed the title Promises: use encoding in readFile promises: use encoding in readFile Mar 12, 2018
@benjamingr
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Random question - do I label this fs or promises in the commit message title?

thefourtheye
thefourtheye approved these changes Mar 12, 2018
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test/parallel/test-fs-promises-writefile.js Outdated
async function doReadWithEncoding() {
const data = await fsPromises.readFile(dest, 'utf-8');
const buf = fs.readFileSync(dest, 'utf-8');
assert.deepStrictEqual(buf, data);
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Can we assert the type of data and buf as well, here?

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@benjamingr benjamingr Mar 12, 2018 •
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Sure, good idea

promises: use encoding in readfile
6469a62 
Use the encoding parameter passed to fsPromises.readFile if it is
passed. Currently the encoding parameter is ignored in fsPromises

PR-URL: nodejs#19296
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Fixes: nodejs#19286
@devsnek
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devsnek commented Mar 12, 2018

fs/promises? I think we use commas to separate subsystems so slash should be safe

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CI looks green sans an unrelated http2 failure: https://ci.nodejs.org/job/node-test-commit/16860//

@benjamingr benjamingr added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Mar 12, 2018
jasnell
jasnell reviewed Mar 12, 2018
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lib/fs/promises.js Outdated
@@ -157,7 +157,12 @@ async function readFileHandle(filehandle, options) {
chunks.push(buffer.slice(0, totalRead));
} while (totalRead === chunkSize);

return Buffer.concat(chunks);
var buffer = Buffer.concat(chunks);
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nit: s/var/const

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joyeecheung commented Mar 12, 2018 •
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I think fs subsystem should be enough, if I am not mistaken promises is for the implementation of promise itself

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CI: https://ci.nodejs.org/job/node-test-pull-request/13648/

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lpinca commented Mar 24, 2018

Fresh CI: https://ci.nodejs.org/job/node-test-pull-request/13849/

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lpinca commented Mar 24, 2018

Landed in e06ad5f.

lpinca pushed a commit that referenced this pull request Mar 24, 2018
@lpinca
fs: use encoding in readFile
e06ad5f 
Use the encoding parameter passed to fsPromises.readFile if it is
passed. Currently the encoding parameter is ignored in fsPromises.

PR-URL: #19296
Fixes: #19286
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Yuta Hiroto <hello@hiroppy.me>
@lpinca lpinca closed this Mar 24, 2018
lpinca
lpinca reviewed Mar 24, 2018
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test/parallel/test-fs-promises-writefile.js
const data = await fsPromises.readFile(dest, 'utf-8');
const syncData = fs.readFileSync(dest, 'utf-8');
assert.strictEqual(typeof data, 'string');
assert.deepStrictEqual(data, syncData);
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assert.strictEqual() was probably better here, but I've already landed this and it's not a biggie so I will not force push.

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@lpinca why?

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@lpinca lpinca Mar 24, 2018 •
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It's a string no? No need to be deep.

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@lpinca lpinca lpinca left review comments

@jasnell jasnell jasnell approved these changes

@evanlucas evanlucas evanlucas approved these changes

@thefourtheye thefourtheye thefourtheye approved these changes

@addaleax addaleax addaleax approved these changes

@targos targos targos approved these changes

@cjihrig cjihrig cjihrig approved these changes

@hiroppy hiroppy hiroppy approved these changes

@joyeecheung joyeecheung joyeecheung approved these changes

@devsnek devsnek devsnek approved these changes

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