31 lines
729 B
JavaScript
31 lines
729 B
JavaScript
/**
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* @author Toru Nagashima <https://github.com/mysticatea>
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* See LICENSE file in root directory for full license.
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*/
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"use strict"
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const { Range } = require("semver")
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const cache = new Map()
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/**
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* Get the `semver.Range` object of a given range text.
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* @param {string} x The text expression for a semver range.
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* @returns {Range|null} The range object of a given range text.
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* It's null if the `x` is not a valid range text.
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*/
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module.exports = function getSemverRange(x) {
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const s = String(x)
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let ret = cache.get(s) || null
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if (!ret) {
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try {
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ret = new Range(s)
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} catch (_error) {
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// Ignore parsing error.
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}
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cache.set(s, ret)
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}
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return ret
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}
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