213 lines
4.8 KiB
JavaScript
213 lines
4.8 KiB
JavaScript
#!/usr/bin/env node
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// Standalone semver comparison program.
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// Exits successfully and prints matching version(s) if
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// any supplied version is valid and passes all tests.
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const argv = process.argv.slice(2);
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let versions = [];
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const range = [];
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let inc = null;
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const version = require('../package.json').version;
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let loose = false;
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let includePrerelease = false;
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let coerce = false;
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let rtl = false;
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let identifier;
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let identifierBase;
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const semver = require('../');
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const parseOptions = require('../internal/parse-options');
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let reverse = false;
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let options = {};
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const main = () => {
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if (!argv.length) {
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return help();
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}
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while (argv.length) {
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let a = argv.shift();
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const indexOfEqualSign = a.indexOf('=');
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if (indexOfEqualSign !== -1) {
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const value = a.slice(indexOfEqualSign + 1);
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a = a.slice(0, indexOfEqualSign);
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argv.unshift(value);
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}
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switch (a) {
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case '-rv':
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case '-rev':
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case '--rev':
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case '--reverse':
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reverse = true;
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break;
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case '-l':
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case '--loose':
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loose = true;
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break;
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case '-p':
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case '--include-prerelease':
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includePrerelease = true;
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break;
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case '-v':
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case '--version':
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versions.push(argv.shift());
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break;
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case '-i':
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case '--inc':
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case '--increment':
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switch (argv[0]) {
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case 'major':
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case 'minor':
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case 'patch':
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case 'prerelease':
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case 'premajor':
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case 'preminor':
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case 'prepatch':
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case 'release':
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inc = argv.shift();
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break;
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default:
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inc = 'patch';
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break;
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}
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break;
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case '--preid':
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identifier = argv.shift();
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break;
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case '-r':
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case '--range':
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range.push(argv.shift());
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break;
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case '-n':
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identifierBase = argv.shift();
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if (identifierBase === 'false') {
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identifierBase = false;
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}
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break;
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case '-c':
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case '--coerce':
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coerce = true;
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break;
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case '--rtl':
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rtl = true;
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break;
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case '--ltr':
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rtl = false;
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break;
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case '-h':
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case '--help':
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case '-?':
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return help();
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default:
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versions.push(a);
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break;
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}
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}
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options = parseOptions({ loose, includePrerelease, rtl });
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versions = versions
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.map((v) => {
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return coerce ? (semver.coerce(v, options) || { version: v }).version : v;
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})
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.filter((v) => {
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return semver.valid(v);
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});
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if (!versions.length) {
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return fail();
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}
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if (inc && (versions.length !== 1 || range.length)) {
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return failInc();
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}
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for (let i = 0, l = range.length; i < l; i++) {
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versions = versions.filter((v) => {
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return semver.satisfies(v, range[i], options);
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});
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if (!versions.length) {
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return fail();
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}
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}
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versions
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.sort((a, b) => semver[reverse ? 'rcompare' : 'compare'](a, b, options))
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.map((v) => semver.clean(v, options))
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.map((v) =>
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inc ? semver.inc(v, inc, options, identifier, identifierBase) : v
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)
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.forEach((v) => console.log(v));
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};
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const failInc = () => {
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console.error('--inc can only be used on a single version with no range');
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fail();
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};
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const fail = () => process.exit(1);
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const help = () =>
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console.log(
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`SemVer ${version}
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A JavaScript implementation of the https://semver.org/ specification
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Copyright Isaac Z. Schlueter
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Usage: semver [options] <version> [<version> [...]]
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Prints valid versions sorted by SemVer precedence
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Options:
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-r --range <range>
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Print versions that match the specified range.
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-i --increment [<level>]
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Increment a version by the specified level. Level can
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be one of: major, minor, patch, premajor, preminor,
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prepatch, prerelease, or release. Default level is 'patch'.
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Only one version may be specified.
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--preid <identifier>
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Identifier to be used to prefix premajor, preminor,
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prepatch or prerelease version increments.
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-l --loose
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Interpret versions and ranges loosely
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-p --include-prerelease
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Always include prerelease versions in range matching
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-c --coerce
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Coerce a string into SemVer if possible
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(does not imply --loose)
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--rtl
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Coerce version strings right to left
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--ltr
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Coerce version strings left to right (default)
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-n <base>
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Base number to be used for the prerelease identifier.
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Can be either 0 or 1, or false to omit the number altogether.
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Defaults to 0.
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Program exits successfully if any valid version satisfies
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all supplied ranges, and prints all satisfying versions.
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If no satisfying versions are found, then exits failure.
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Versions are printed in ascending order, so supplying
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multiple versions to the utility will just sort them.`
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);
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main();
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