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33 lines
1.1 KiB
TypeScript
33 lines
1.1 KiB
TypeScript
import { GTE, LT, PGTE } from '../operator';
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import type { Range } from '../range';
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import { parseRanges, satisfiesRange, stringifyRanges } from '../range';
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import { increment, pgteUpperBound } from '../version';
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import { replacePart } from './replace';
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export default ({ range, to }: { range: string; to: string }): string => {
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const parts = parseRanges(range).flatMap((part): Range[] => {
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if (satisfiesRange(to, part)) {
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return [part];
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}
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const { operator, version: ver, companion } = part;
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switch (operator) {
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// `~>` works as both lower bound and upper bound.
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// We need to decompose it to get wider range.
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case PGTE: {
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// Prefer constraints from `>=`
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const baseVersion = companion ? companion.version : ver;
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const limit = increment(pgteUpperBound(ver), to);
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return [
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{ operator: GTE, delimiter: ' ', version: baseVersion },
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{ operator: LT, delimiter: ' ', version: limit },
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];
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}
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default:
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return [replacePart(part, to)];
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}
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});
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return stringifyRanges(parts);
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};
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