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repl: fix wrong parentheses #59607

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Merged
merged 11 commits into from
Aug 27, 2025
+121 −4
Merged

repl: fix wrong parentheses #59607

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f146e9c
repl: add isValidParentheses check before wrap input
jenthone Mar 6, 2023
334b186
test: add Uncaught ReferenceError case
jenthone Mar 7, 2023
e367980
test: add Uncaught SyntaxError case
jenthone Mar 7, 2023
73e23c8
test: add SyntaxError: Unexpected token case
jenthone Mar 7, 2023
c20260e
repl: check valid syntax by using acorn
jenthone Mar 8, 2023
94cad39
test: add open bracket case
jenthone Mar 8, 2023
13b2c53
repl: try parse again and allowAwaitOutsideFunction
jenthone Mar 9, 2023
814248a
test: add string-keyed object case
jenthone Mar 9, 2023
953874e
test: add more bracket cases
jenthone Mar 9, 2023
0230e45
test: add multiple object case
jenthone Mar 9, 2023
6093854
repl: add isValidParentheses check before wrap input
meixg Aug 24, 2025
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repl: try parse again and allowAwaitOutsideFunction
  • Loading branch information
@jenthone @meixg
jenthone authored and meixg committed Aug 24, 2025
commit 13b2c530a7c10c295c95db2c1f3e116d5add9fbe
20 changes: 20 additions & 0 deletions lib/internal/repl/utils.js
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Original file line number Diff line number Diff line change
Expand Up @@ -757,6 +757,26 @@ function setupReverseSearch(repl) {

const startsWithBraceRegExp = /^\s*{/;
const endsWithSemicolonRegExp = /;\s*$/;
function isValidSyntax(input) {
const Parser = require('internal/deps/acorn/acorn/dist/acorn').Parser;
try {
Parser.parse(input, {
ecmaVersion: 'latest',
allowAwaitOutsideFunction: true,
});
return true;
} catch {
try {
Parser.parse(`_=${input}`, {
ecmaVersion: 'latest',
allowAwaitOutsideFunction: true,
});
return true;
} catch {
return false;
}
}
}

/**
* Checks if some provided code represents an object literal.
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