| | 'use strict' |
| |
|
| | const SemVer = require('../classes/semver') |
| | const Range = require('../classes/range') |
| | const gt = require('../functions/gt') |
| |
|
| | const minVersion = (range, loose) => { |
| | range = new Range(range, loose) |
| |
|
| | let minver = new SemVer('0.0.0') |
| | if (range.test(minver)) { |
| | return minver |
| | } |
| |
|
| | minver = new SemVer('0.0.0-0') |
| | if (range.test(minver)) { |
| | return minver |
| | } |
| |
|
| | minver = null |
| | for (let i = 0; i < range.set.length; ++i) { |
| | const comparators = range.set[i] |
| |
|
| | let setMin = null |
| | comparators.forEach((comparator) => { |
| | |
| | const compver = new SemVer(comparator.semver.version) |
| | switch (comparator.operator) { |
| | case '>': |
| | if (compver.prerelease.length === 0) { |
| | compver.patch++ |
| | } else { |
| | compver.prerelease.push(0) |
| | } |
| | compver.raw = compver.format() |
| | |
| | case '': |
| | case '>=': |
| | if (!setMin || gt(compver, setMin)) { |
| | setMin = compver |
| | } |
| | break |
| | case '<': |
| | case '<=': |
| | |
| | break |
| | |
| | default: |
| | throw new Error(`Unexpected operation: ${comparator.operator}`) |
| | } |
| | }) |
| | if (setMin && (!minver || gt(minver, setMin))) { |
| | minver = setMin |
| | } |
| | } |
| |
|
| | if (minver && range.test(minver)) { |
| | return minver |
| | } |
| |
|
| | return null |
| | } |
| | module.exports = minVersion |
| |
|