prefer-string-slice: remove unsafe autofix for String#substr()
#2427
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github-actions
bot
changed the title
axetroy
changed the title
prefer-string-slice: fix autofix from .substr(start, length) when length equals to strings' length
…gth equals to strings' length
fisker
reviewed
Aug 21, 2024
rules/prefer-string-slice.js
Outdated
| @@ -67,7 +67,8 @@ function * fixSubstrArguments({node, fixer, context, abort}) { | |||
| if (argumentNodes.every(node => isNumber(node, scope))) { | |||
| const firstArgumentText = getParenthesizedText(firstArgument, sourceCode); | |||
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| yield fixer.insertTextBeforeRange(secondArgumentRange, `${firstArgumentText} + `); | |||
| yield fixer.insertTextBeforeRange(secondArgumentRange, `(${firstArgumentText} + `); | |||
| yield fixer.insertTextAfterRange(secondArgumentRange, ') || undefined'); | |||
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The original Math.min() already ugly, let's turn this fix into suggestion, I don't think people will use the fixed code directly.
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I admit, this is ugly, but I can't found a more elegant way to fix
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let's turn this fix into suggestion
Use suggestion instead.
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The source code is too complicated, and I don't have the confidence to refactor it. Close PR
fisker
changed the title
prefer-string-slice: fix autofix from .substr(start, length) when length equals to strings' lengthprefer-string-slice: remove unsafe autofix for String#substr()
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Let's just remove the autofix not much value to provide a suggestion. |
fisker
approved these changes
Aug 23, 2024
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Fix #2291
When the second argument
lengthis equal to the length of the string,it will autofix to
.slice(start, 0)Now we make to
.slice(start, 0 || undefined)to align the behavior of.substr(start, length)