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repl: refactor lib/repl.js #9374

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repl: refactor lib/repl.js #9374

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Trott
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@Trott Trott commented Oct 31, 2016

Checklist
  • make -j8 test (UNIX), or vcbuild test nosign (Windows) passes
  • commit message follows commit guidelines
Affected core subsystem(s)

repl

Description of change
  • remove unnecessary backslash (\) escaping in regular expressions
  • favor === over ==
  • multiline arrays indentation consistent with other indentation

@Trott Trott added the repl Issues and PRs related to the REPL subsystem. label Oct 31, 2016
princejwesley
princejwesley reviewed Oct 31, 2016
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convertToContext is unused function. Do we need to correct it?

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rvagg commented Oct 31, 2016

lgtm, but does pulling that array in allow you to pull entries up to previous line and satisfy line length restrictions?

Fishrock123
Fishrock123 reviewed Oct 31, 2016
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lib/repl.js
@@ -783,7 +783,7 @@ ArrayStream.prototype.writable = true;
ArrayStream.prototype.resume = function() {};
ArrayStream.prototype.write = function() {};

const requireRE = /\brequire\s*\(['"](([\w\.\/-]+\/)?([\w\.\/-]*))/;
const requireRE = /\brequire\s*\(['"](([\w./-]+\/)?([\w./-]*))/;
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looks like a behavior change?

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@Fishrock123 No. we don't need to escape characters inside character class [``] except for - in non-tail position.

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Trott commented Oct 31, 2016

@rvagg asked:

lgtm, but does pulling that array in allow you to pull entries up to previous line and satisfy line length restrictions?

It was possible to do that even without reducing the indentation, so yes, definitely possible. I didn't want to do it because I wanted to avoid hard-to-read diff that might be criticized as churn. A whitespace-only change is annoying enough, but at least it's easy to comprehend the diff. :-)

However, if you or anyone else feels strongly that it's important to re-wrap the lines, I can do that. (Honestly, I'd prefer one-item-to-a-line over put-as-many-as-you-can-on-a-line because at least adding and deleting items becomes very clear in diffs. But that's just my preference.)

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Trott commented Oct 31, 2016

@princejwesley wrote:

convertToContext is unused function. Do we need to correct it?

I guess we don't need to, but I figured I might as well remove all the no-op escapes while I was at it.

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rvagg commented Oct 31, 2016

your call on the array @Trott, no strong feelings from me either way

ryan-copperleaf
ryan-copperleaf reviewed Nov 2, 2016
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lib/repl.js
@@ -1341,8 +1341,8 @@ function regexpEscape(s) {
// TODO(princejwesley): Remove it prior to v8.0.0 release
// Reference: https://github.com/nodejs/node/pull/7829
REPLServer.prototype.convertToContext = util.deprecate(function(cmd) {
const scopeVar = /^\s*var\s*([_\w\$]+)(.*)$/m;
const scopeFunc = /^\s*function\s*([_\w\$]+)/;
const scopeVar = /^\s*var\s*([_\w$]+)(.*)$/m;
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Remove _ while you’re at it? It’s included in \w.

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Done! Thanks!

@Trott
repl: refactor lib/repl.js
82a7402 
* remove unnecessary backslash (`\`) escaping in regular expressions
* favor `===` over `==`
* multiline arrays indentation consistent with other indentation
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Trott commented Nov 2, 2016

CI: https://ci.nodejs.org/job/node-test-pull-request/4766/

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Trott commented Nov 3, 2016

CI failures are infra/build related. Landing momentarily....

Trott added a commit to Trott/io.js that referenced this pull request Nov 3, 2016
@Trott
repl: refactor lib/repl.js
5cbb7a8 
* remove unnecessary backslash (`\`) escaping in regular expressions
* favor `===` over `==`
* multiline arrays indentation consistent with other indentation

PR-URL: nodejs#9374
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
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Trott commented Nov 3, 2016

Landed in 5cbb7a8

@Trott Trott closed this Nov 3, 2016
evanlucas pushed a commit that referenced this pull request Nov 7, 2016
@Trott @evanlucas
repl: refactor lib/repl.js
60461d2 
* remove unnecessary backslash (`\`) escaping in regular expressions
* favor `===` over `==`
* multiline arrays indentation consistent with other indentation

PR-URL: #9374
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
@evanlucas evanlucas mentioned this pull request Nov 7, 2016
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@MylesBorins
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@Trott do you want to backport this? it will need to be done manually

Trott added a commit to Trott/io.js that referenced this pull request Nov 22, 2016
@Trott
repl: refactor lib/repl.js
b03c430 
* remove unnecessary backslash (`\`) escaping in regular expressions
* favor `===` over `==`
* multiline arrays indentation consistent with other indentation

PR-URL: nodejs#9374
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
@Trott Trott mentioned this pull request Nov 22, 2016
Closed
Trott added a commit to Trott/io.js that referenced this pull request Nov 22, 2016
@Trott
repl: refactor lib/repl.js
5d5e061 
* remove unnecessary backslash (`\`) escaping in regular expressions
* favor `===` over `==`
* multiline arrays indentation consistent with other indentation

PR-URL: nodejs#9374
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
@Trott Trott mentioned this pull request Nov 22, 2016
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Trott commented Nov 22, 2016

@thealphanerd Backports done in #9747 and #9748

MylesBorins pushed a commit that referenced this pull request Dec 8, 2016
@Trott @MylesBorins
repl: refactor lib/repl.js
70062f7 
* remove unnecessary backslash (`\`) escaping in regular expressions
* favor `===` over `==`
* multiline arrays indentation consistent with other indentation

PR-URL: #9374
Ref: #9747
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
MylesBorins pushed a commit that referenced this pull request Dec 13, 2016
@Trott @MylesBorins
repl: refactor lib/repl.js
3d45b35 
* remove unnecessary backslash (`\`) escaping in regular expressions
* favor `===` over `==`
* multiline arrays indentation consistent with other indentation

PR-URL: #9374
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
MylesBorins pushed a commit that referenced this pull request Dec 21, 2016
@Trott @MylesBorins
repl: refactor lib/repl.js
4e30e10 
* remove unnecessary backslash (`\`) escaping in regular expressions
* favor `===` over `==`
* multiline arrays indentation consistent with other indentation

PR-URL: #9374
Ref: #9747
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
MylesBorins pushed a commit that referenced this pull request Dec 21, 2016
@Trott @MylesBorins
repl: refactor lib/repl.js
e81ab1c 
* remove unnecessary backslash (`\`) escaping in regular expressions
* favor `===` over `==`
* multiline arrays indentation consistent with other indentation

PR-URL: #9374
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
This was referenced Dec 21, 2016
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@Trott Trott deleted the repl-refactor branch January 13, 2022 22:44
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@Fishrock123 Fishrock123 Fishrock123 left review comments

@princejwesley princejwesley princejwesley left review comments

@ryan-copperleaf ryan-copperleaf ryan-copperleaf left review comments

@silverwind silverwind silverwind approved these changes

@jasnell jasnell jasnell approved these changes

@cjihrig cjihrig cjihrig approved these changes

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@Trott @rvagg @MylesBorins @silverwind @jasnell @Fishrock123 @princejwesley @cjihrig @ryan-copperleaf