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JSON Parser Bug Fix #2242

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JSON Parser Bug Fix #2242

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9330c20
JSON Parser Bug Fix
Adityakk9031 Feb 16, 2026
a69042b
fix
Adityakk9031 Feb 16, 2026
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22 changes: 22 additions & 0 deletions cypress/components/JsonParserReproduction.cy.tsx
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Original file line number Diff line number Diff line change
@@ -0,0 +1,22 @@
import getPartsOfJson from '../../lib/getPartsOfJson';

describe('JsonParserReproduction', () => {
it('should correctly parse JSON with escaped backslash at the end of a string', () => {
const problemJson =
'{ "bad_string": "backslash: \\\\", "next_key": "this should be found" }';

const parts = getPartsOfJson(problemJson);

// Check if 'next_key' is identified as an object property
const nextKeyPart = parts.find(
(p) => p.match === 'next_key' && p.type === 'objectProperty',
);

// Log parts for debugging if it fails
if (!nextKeyPart) {
console.log('Parsed parts:', JSON.stringify(parts, null, 2));
}

expect(nextKeyPart).to.not.be.undefined;
});
});
4 changes: 2 additions & 2 deletions lib/getPartsOfJson.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,10 +6,10 @@ const regexObject =
const regexArray =
/^\s*(?<arrayStartBracket>\[)(?<arrayContent>.*)(?<arrayEndBracket>\])\s*$/g;
const regexNumber = /^\s*(?<number>-?\d+(\.\d+)?([Ee][+-]?\d+)?)\s*$/g;
const regexString = /^\s*(?<string>"(\\"|[^"])*")\s*$/g;
const regexString = /^\s*(?<string>"(?:[^"\\]|\\.)*")\s*$/g;
const regexBoolean = /^\s*(?<boolean>true|false)\s*$/g;
const regexNull = /^\s*(?<null>null)\s*$/g;
const regexDoubleQuote = /(?<!\\)"/g;
const regexDoubleQuote = /(?<=(?:^|[^\\])(?:\\\\)*)"/g;
const regexCommaOrEndOfLine = /,/g;

export type SyntaxPart = {
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