npm-check-updates
Version:
Find newer versions of dependencies than what your package.json allows
52 lines • 1.82 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.latest = void 0;
const fast_memoize_1 = __importDefault(require("fast-memoize"));
const promises_1 = __importDefault(require("fs/promises"));
const make_fetch_happen_1 = __importDefault(require("make-fetch-happen"));
const programError_1 = __importDefault(require("../lib/programError"));
/** Returns true if a string is a url. */
const isUrl = (s) => (s && s.startsWith('http://')) || s.startsWith('https://');
/**
* Returns a registry object given a valid file path or url.
*
* @param path
* @returns a registry object
*/
const readStaticRegistry = async (options) => {
const path = options.registry;
let content;
// url
if (isUrl(path)) {
const body = await (0, make_fetch_happen_1.default)(path);
content = await body.text();
}
// local path
else {
try {
content = await promises_1.default.readFile(path, 'utf8');
}
catch (err) {
(0, programError_1.default)(options, `\nThe specified static registry file does not exist: ${options.registry}`);
}
}
return JSON.parse(content);
};
const registryMemoized = (0, fast_memoize_1.default)(readStaticRegistry);
/**
* Fetches the version in static registry.
*
* @param packageName
* @param currentVersion
* @param options
* @returns A promise that fulfills to string value or null
*/
const latest = async (packageName, currentVersion, options) => {
const registry = await registryMemoized(options || {});
return { version: registry[packageName] || null };
};
exports.latest = latest;
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