fix: Expression x === 'y' && '' should not evaluate to undefined. #8880
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
|
Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/9257/ |
|
Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/9256/ |
nicolo-ribaudo
approved these changes
Oct 16, 2018
|
Can we add a test? |
existentialism
added
PR: Bug Fix 🐛
|
Added a test, but can't see how to test the test without the output getting lost in 1711 unrelated tests which somehow fail for me with stuff like |
|
@Cyp, did you run Also, reference our contributing guidelines for running just a single test! |
existentialism
approved these changes
Oct 16, 2018
No — that worked, all tests pass for me now, thanks. |
mAAdhaTTah
added a commit
to valtech-nyc/babel
that referenced
this pull request
Nov 3, 2018
* master: (222 commits) Set correct methods name Use toPropertyKey in the "decorate" helper Allow function types in type params within arrow return types (babel#8954) Fix message when plugin of a wrong type is passed (babel#8950) rename colliding let bindings with for loop init (babel#8937) edge incomplete support for arrow destructuring (babel babel#8349) (babel#8926) fix single-arg async arrows when retainLines=true (babel#8868) [flow] Explicit inexact objects with `...` (babel#8884) Update preset-env data (babel#8898) Treat break inside block inside loop (babel#8914) fixed "source map" formatting in comment (babel#8878) [skip ci] fix typo in contributing guidelines (babel#8901) [skip ci] fix: Expression x === 'y' && '' should not evaluate to undefined. (babel#8880) fixed an extra word Fixes babel#8865 (babel#8866) v7.1.4 v7.1.3 Bump Babel deps (babel#8770) flow-bin@0.82.0 (babel#8832) Insertafter jsx fix (babel#8833) ... # Conflicts: # packages/babel-parser/src/tokenizer/index.js # packages/babel-parser/test/fixtures/experimental/class-private-properties/failure-numeric-literal/options.json # packages/babel-parser/test/fixtures/experimental/pipeline-operator/invalid-proposal/options.json
This was referenced Nov 7, 2018
lock
bot
added
the
outdated
Sign up for free
to subscribe to this conversation on GitHub.
Already have an account?
Sign in.
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Should fix babel/minify#908: Expressions of the form
x === "foo" && ""were incorrectly minified toundefined. This was due to evaluate() on&&giving the wrong result when only the right-hand side is known and falsy.