mirror of
https://github.com/joelwmale/webhook-action.git
synced 2024-12-05 05:34:29 +01:00
179 lines
5.8 KiB
JavaScript
179 lines
5.8 KiB
JavaScript
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/**
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* @fileoverview Utility for executing npm commands.
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* @author Ian VanSchooten
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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const fs = require("fs"),
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spawn = require("cross-spawn"),
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path = require("path"),
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log = require("../shared/logging");
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//------------------------------------------------------------------------------
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// Helpers
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//------------------------------------------------------------------------------
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/**
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* Find the closest package.json file, starting at process.cwd (by default),
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* and working up to root.
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* @param {string} [startDir=process.cwd()] Starting directory
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* @returns {string} Absolute path to closest package.json file
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*/
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function findPackageJson(startDir) {
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let dir = path.resolve(startDir || process.cwd());
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do {
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const pkgFile = path.join(dir, "package.json");
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if (!fs.existsSync(pkgFile) || !fs.statSync(pkgFile).isFile()) {
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dir = path.join(dir, "..");
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continue;
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}
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return pkgFile;
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} while (dir !== path.resolve(dir, ".."));
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return null;
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}
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//------------------------------------------------------------------------------
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// Private
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//------------------------------------------------------------------------------
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/**
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* Install node modules synchronously and save to devDependencies in package.json
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* @param {string|string[]} packages Node module or modules to install
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* @returns {void}
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*/
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function installSyncSaveDev(packages) {
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const packageList = Array.isArray(packages) ? packages : [packages];
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const npmProcess = spawn.sync("npm", ["i", "--save-dev"].concat(packageList),
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{ stdio: "inherit" });
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const error = npmProcess.error;
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if (error && error.code === "ENOENT") {
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const pluralS = packageList.length > 1 ? "s" : "";
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log.error(`Could not execute npm. Please install the following package${pluralS} with a package manager of your choice: ${packageList.join(", ")}`);
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}
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}
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/**
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* Fetch `peerDependencies` of the given package by `npm show` command.
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* @param {string} packageName The package name to fetch peerDependencies.
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* @returns {Object} Gotten peerDependencies. Returns null if npm was not found.
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*/
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function fetchPeerDependencies(packageName) {
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const npmProcess = spawn.sync(
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"npm",
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["show", "--json", packageName, "peerDependencies"],
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{ encoding: "utf8" }
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);
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const error = npmProcess.error;
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if (error && error.code === "ENOENT") {
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return null;
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}
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const fetchedText = npmProcess.stdout.trim();
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return JSON.parse(fetchedText || "{}");
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}
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/**
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* Check whether node modules are include in a project's package.json.
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* @param {string[]} packages Array of node module names
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* @param {Object} opt Options Object
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* @param {boolean} opt.dependencies Set to true to check for direct dependencies
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* @param {boolean} opt.devDependencies Set to true to check for development dependencies
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* @param {boolean} opt.startdir Directory to begin searching from
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* @returns {Object} An object whose keys are the module names
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* and values are booleans indicating installation.
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*/
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function check(packages, opt) {
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const deps = new Set();
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const pkgJson = (opt) ? findPackageJson(opt.startDir) : findPackageJson();
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let fileJson;
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if (!pkgJson) {
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throw new Error("Could not find a package.json file. Run 'npm init' to create one.");
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}
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try {
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fileJson = JSON.parse(fs.readFileSync(pkgJson, "utf8"));
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} catch (e) {
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const error = new Error(e);
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error.messageTemplate = "failed-to-read-json";
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error.messageData = {
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path: pkgJson,
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message: e.message
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};
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throw error;
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}
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["dependencies", "devDependencies"].forEach(key => {
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if (opt[key] && typeof fileJson[key] === "object") {
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Object.keys(fileJson[key]).forEach(dep => deps.add(dep));
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}
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});
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return packages.reduce((status, pkg) => {
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status[pkg] = deps.has(pkg);
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return status;
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}, {});
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}
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/**
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* Check whether node modules are included in the dependencies of a project's
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* package.json.
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*
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* Convenience wrapper around check().
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* @param {string[]} packages Array of node modules to check.
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* @param {string} rootDir The directory containing a package.json
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* @returns {Object} An object whose keys are the module names
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* and values are booleans indicating installation.
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*/
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function checkDeps(packages, rootDir) {
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return check(packages, { dependencies: true, startDir: rootDir });
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}
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/**
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* Check whether node modules are included in the devDependencies of a project's
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* package.json.
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*
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* Convenience wrapper around check().
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* @param {string[]} packages Array of node modules to check.
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* @returns {Object} An object whose keys are the module names
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* and values are booleans indicating installation.
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*/
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function checkDevDeps(packages) {
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return check(packages, { devDependencies: true });
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}
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/**
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* Check whether package.json is found in current path.
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* @param {string} [startDir] Starting directory
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* @returns {boolean} Whether a package.json is found in current path.
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*/
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function checkPackageJson(startDir) {
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return !!findPackageJson(startDir);
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}
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//------------------------------------------------------------------------------
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// Public Interface
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//------------------------------------------------------------------------------
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module.exports = {
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installSyncSaveDev,
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fetchPeerDependencies,
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checkDeps,
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checkDevDeps,
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checkPackageJson
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};
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