@iobroker/create-adapter
Version:
Command line utility to create customized ioBroker adapters
97 lines • 4.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const axios_1 = require("axios");
const semver = require("semver");
const tools_1 = require("./tools");
const allVersionsCache = new Map();
const latestVersionCache = new Map();
function hasVersionSpecifier(packageName) {
return packageName.lastIndexOf("@") > 0;
}
exports.hasVersionSpecifier = hasVersionSpecifier;
function getVersionSpecifier(packageNameAndVersion) {
const atIndex = packageNameAndVersion.lastIndexOf("@");
if (atIndex > 0)
return packageNameAndVersion.slice(atIndex + 1);
}
exports.getVersionSpecifier = getVersionSpecifier;
/** Returns only the package name from a string of the form [@scope/]package-name@version */
function getPackageName(packageNameAndVersion) {
const atIndex = packageNameAndVersion.lastIndexOf("@");
if (atIndex > 0) {
return packageNameAndVersion.slice(0, atIndex);
}
return packageNameAndVersion;
}
exports.getPackageName = getPackageName;
/**
* Returns the latest version of an npm package
* @param packageName The npm package name
* @param fallbackVersion The fallback version to return in case anything goes wrong. If this is set, no error is thrown.
*/
async function fetchAllPackageVersions(packageName) {
if (allVersionsCache.has(packageName))
return allVersionsCache.get(packageName);
const packageURIComponent = encodeURIComponent(packageName);
const url = `https://registry.npmjs.org/${packageURIComponent}`;
let options = { url, timeout: tools_1.getRequestTimeout() };
// If an https-proxy is defined as an env variable, use it
options = tools_1.applyHttpsProxy(options);
const response = await axios_1.default(options);
if (response.status !== 200) {
throw new Error(`Failed to fetch the versions for ${packageName} (${response.status})`);
}
const allVersions = Object.keys(response.data.versions);
allVersionsCache.set(packageName, allVersions);
return allVersions;
}
async function fetchSpecificPackageVersion(packageNameAndVersion, fallbackVersion) {
// A specific version is requested, return the highest version matching the specifier
try {
const versionSpecifier = getVersionSpecifier(packageNameAndVersion);
const packageName = getPackageName(packageNameAndVersion);
const allVersions = await fetchAllPackageVersions(packageName);
const ret = semver.maxSatisfying(allVersions, versionSpecifier);
if (!ret)
throw new Error(`No version of ${packageName} found matching ${versionSpecifier}`);
return ret;
}
catch (e) {
if (fallbackVersion)
return fallbackVersion;
throw e;
}
}
async function fetchLatestPackageVersion(packageName, fallbackVersion) {
if (latestVersionCache.has(packageName))
return latestVersionCache.get(packageName);
const packageURIComponent = encodeURIComponent(packageName);
const url = `https://registry.npmjs.org/-/package/${packageURIComponent}/dist-tags`;
let options = { url, timeout: tools_1.getRequestTimeout() };
// If an https-proxy is defined as an env variable, use it
options = tools_1.applyHttpsProxy(options);
const response = await axios_1.default(options);
if (response.status !== 200) {
if (fallbackVersion)
return fallbackVersion;
throw new Error(`Failed to fetch the version for ${packageName} (${response.status})`);
}
const version = response.data.latest;
latestVersionCache.set(packageName, version);
return version;
}
/**
* Returns the latest version of an npm package
* @param packageName The npm package name
* @param fallbackVersion The fallback version to return in case anything goes wrong. If this is set, no error is thrown.
*/
async function fetchPackageVersion(packageName, fallbackVersion) {
if (hasVersionSpecifier(packageName)) {
return fetchSpecificPackageVersion(packageName, fallbackVersion);
}
else {
return fetchLatestPackageVersion(packageName, fallbackVersion);
}
}
exports.fetchPackageVersion = fetchPackageVersion;
//# sourceMappingURL=packageVersions.js.map