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14 lines
301 B
JavaScript
14 lines
301 B
JavaScript
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/**
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* Returns length of suffix in `string` that should be replaced
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* with `newSuffix` to avoid duplication.
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*/
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export function replacedSuffixLength(string, newSuffix) {
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let suffix = newSuffix;
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while (!string.endsWith(suffix)) {
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suffix = suffix.slice(0, -1);
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}
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return suffix.length;
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}
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