40 lines
1.5 KiB
TypeScript
40 lines
1.5 KiB
TypeScript
// @ts-check
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const cp = require("child_process");
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const log = require("fancy-log"); // was `require("gulp-util").log (see https://github.com/gulpjs/gulp-util)
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const isWin = /^win/.test(process.platform);
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const chalk = require("./chalk");
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module.exports = exec;
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/**
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* Executes the provided command once with the supplied arguments.
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* @param {string} cmd
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* @param {string[]} args
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* @param {object} [options]
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* @param {boolean} [options.ignoreExitCode]
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*/
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function exec(cmd, args, options = {}) {
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return /**@type {Promise<{exitCode: number}>}*/(new Promise((resolve, reject) => {
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log(`> ${chalk.green(cmd)} ${args.join(" ")}`);
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// TODO (weswig): Update child_process types to add windowsVerbatimArguments to the type definition
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const subshellFlag = isWin ? "/c" : "-c";
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const command = isWin ? [possiblyQuote(cmd), ...args] : [`${cmd} ${args.join(" ")}`];
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const ex = cp.spawn(isWin ? "cmd" : "/bin/sh", [subshellFlag, ...command], { stdio: "inherit", windowsVerbatimArguments: true });
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ex.on("exit", exitCode => {
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if (exitCode === 0 || options.ignoreExitCode) {
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resolve({ exitCode });
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}
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else {
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reject(new Error(`Process exited with code: ${exitCode}`));
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}
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});
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ex.on("error", reject);
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}));
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}
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/**
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* @param {string} cmd
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*/
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function possiblyQuote(cmd) {
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return cmd.indexOf(" ") >= 0 ? `"${cmd}"` : cmd;
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}
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