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src: expose V8's IsNativeError() in util bindings #12546

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merged 1 commit into from
Apr 25, 2017

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cjihrig
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@cjihrig cjihrig commented Apr 20, 2017

Exposes IsNativeError() through process.binding('util'). The tests are copied from util.isError(). The results are the same with the exception of the last one (object inheriting from Error).

R= @addaleax because of #12400 (comment)

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • commit message follows commit guidelines
Affected core subsystem(s)

src

@nodejs-github-bot nodejs-github-bot added c++ Issues and PRs that require attention from people who are familiar with C++. util Issues and PRs related to the built-in util module. labels Apr 20, 2017
@cjihrig cjihrig requested a review from addaleax April 20, 2017 17:53
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LGTM, but I’d say you can feel free to pick this into your other PR if you like

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cjihrig commented Apr 25, 2017

assert.strictEqual(binding.isNativeError(new TypeError()), true);
assert.strictEqual(binding.isNativeError(new SyntaxError()), true);
/* eslint-disable new-parens */
assert.strictEqual(binding.isNativeError(new (context('Error'))), true);
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new (context('Error'))()

I think that should fulfill the "new-parens" ESLint rule as well.

Refs: nodejs#12400
PR-URL: nodejs#12546
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Sakthipriyan Vairamani <[email protected]>
Reviewed-By: James M Snell <[email protected]>
@cjihrig cjihrig merged commit e522bcd into nodejs:master Apr 25, 2017
@cjihrig cjihrig deleted the is-native-error branch April 25, 2017 16:47
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cjihrig commented Apr 25, 2017

Landed with @TimothyGu's suggestion.

evanlucas pushed a commit that referenced this pull request Apr 25, 2017
Refs: #12400
PR-URL: #12546
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Sakthipriyan Vairamani <[email protected]>
Reviewed-By: James M Snell <[email protected]>
@evanlucas evanlucas mentioned this pull request May 1, 2017
evanlucas pushed a commit that referenced this pull request May 1, 2017
Refs: #12400
PR-URL: #12546
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Sakthipriyan Vairamani <[email protected]>
Reviewed-By: James M Snell <[email protected]>
evanlucas pushed a commit that referenced this pull request May 2, 2017
Refs: #12400
PR-URL: #12546
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Sakthipriyan Vairamani <[email protected]>
Reviewed-By: James M Snell <[email protected]>
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gibfahn commented May 16, 2017

I get this error when backporting this to v6.x, which I assume means that this shouldn't land. LMK if that's not the case.

=== release test-util ===                    
Path: parallel/test-util
testtest
DEBUG: test
test

assert.js:81
  throw new assert.AssertionError({
  ^
AssertionError: false === true

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Fwiw the v8 patch that would fix that failure is v8/v8@a2dad04, I think.

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gibfahn commented May 17, 2017

If this is something that's worth landing on Node 6, then a backport PR with e522bcd and v8/v8@a2dad04 would be welcome.

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7 participants