21 lines
454 B
TypeScript
21 lines
454 B
TypeScript
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export function splitN(str: string, sep: string, maxN: number) {
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if (maxN <= 1) {
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return [str];
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}
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const chunks: string[] = [];
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const lenSep = sep.length;
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let searchIdx = 0;
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for (; maxN > 1; maxN--) {
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const nextIdx = str.indexOf(sep, searchIdx);
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if (nextIdx === -1) {
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break;
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}
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chunks.push(str.slice(searchIdx, nextIdx));
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searchIdx = nextIdx + lenSep;
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}
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chunks.push(str.slice(searchIdx));
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return chunks;
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}
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