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Support lts/-n aliases

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This commit is contained in:
Jack Bates 2022-05-02 11:40:03 -07:00
parent ed1a46e9f2
commit 0ae8776763
4 changed files with 100 additions and 12 deletions
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15
dist/setup/index.js vendored
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@ -70626,6 +70626,8 @@ function getNode(versionSpec, stable, checkLatest, auth, arch = os.arch()) {
core.info('Attempt to resolve LTS alias from manifest...');
// No try-catch since it's not possible to resolve LTS alias without manifest
manifest = yield getManifest(auth);
// Reverse it so later Object.fromEntries() gets the latest version of each LTS
manifest.reverse();
versionSpec = resolveLtsAliasFromManifest(versionSpec, stable, manifest);
}
if (isLatestSyntax(versionSpec)) {
@ -70756,10 +70758,17 @@ function resolveLtsAliasFromManifest(versionSpec, stable, manifest) {
throw new Error(`Unable to parse LTS alias for Node version '${versionSpec}'`);
}
core.debug(`LTS alias '${alias}' for Node version '${versionSpec}'`);
// Supported formats are `lts/<alias>` and `lts/*`. Where asterisk means highest possible LTS.
// Supported formats are `lts/<alias>`, `lts/*`, and `lts/-n`. Where asterisk means highest possible LTS and -n means the nth-highest.
const n = Number(alias);
const aliases = Object.fromEntries(manifest
.filter(x => x.stable === stable)
.map(x => { var _a; return [(_a = x.lts) === null || _a === void 0 ? void 0 : _a.toLowerCase(), x]; }));
const numbered = Object.values(aliases);
const release = alias === '*'
? manifest.find(x => !!x.lts && x.stable === stable)
: manifest.find(x => { var _a; return ((_a = x.lts) === null || _a === void 0 ? void 0 : _a.toLowerCase()) === alias && x.stable === stable; });
? numbered[numbered.length - 1]
: n < 0
? numbered[numbered.length - 1 + n]
: aliases[alias];
if (!release) {
throw new Error(`Unable to find LTS release '${alias}' for Node version '${versionSpec}'.`);
}