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Fix isNumericString incorrectly accepting strings with surrounding whitespace

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Sindre Sorhus 2026-04-08 05:21:23 +07:00
parent 3b40955b02
commit 47415dc46a
2 changed files with 5 additions and 1 deletions
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source/index.ts
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@ -688,7 +688,7 @@ export function isNumber(value: unknown): value is number {
}
export function isNumericString(value: unknown): value is `${number}` {
return isString(value) && !isEmptyStringOrWhitespace(value) && !Number.isNaN(Number(value));
return isString(value) && !isEmptyStringOrWhitespace(value) && value === value.trim() && !Number.isNaN(Number(value));
}
// eslint-disable-next-line @typescript-eslint/no-restricted-types