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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/* globals process, __filename, __dirname */
/* Usage: node build.js [LIST_OF_SOURCE_FILES...] OUTPUT_DIR
* Compiles all source files and places the results of the compilation in
* OUTPUT_DIR.
*/
"use strict";
const Babel = require("./babel");
const fs = require("fs");
const _path = require("path");
const defaultPlugins = ["proposal-class-properties"];
function transform(filePath) {
// Use the extra plugins only for the debugger
const plugins = filePath.includes("devtools/client/debugger")
? require("./build-debugger")(filePath)
: defaultPlugins;
const doc = fs.readFileSync(filePath, "utf8");
let out;
try {
out = Babel.transform(doc, { plugins });
} catch (err) {
throw new Error(`
========================
NODE COMPILATION ERROR!
File: ${filePath}
Stack:
${err.stack}
========================
`);
}
return out.code;
}
// fs.mkdirSync's "recursive" option appears not to work, so I'm writing a
// simple version of the function myself.
function mkdirs(filePath) {
if (fs.existsSync(filePath)) {
return;
}
mkdirs(_path.dirname(filePath));
try {
fs.mkdirSync(filePath);
} catch (err) {
// Ignore any errors resulting from the directory already existing.
if (err.code != "EEXIST") {
throw err;
}
}
}
const deps = [__filename, _path.resolve(__dirname, "babel.js")];
const outputDir = process.argv[process.argv.length - 1];
mkdirs(outputDir);
for (let i = 2; i < process.argv.length - 1; i++) {
const srcPath = process.argv[i];
const code = transform(srcPath);
const fullPath = _path.join(outputDir, _path.basename(srcPath));
fs.writeFileSync(fullPath, code);
deps.push(srcPath);
}
// Print all dependencies prefixed with 'dep:' in order to help node.py, the script that
// calls this module, to report back the precise list of all dependencies.
console.log(deps.map(file => "dep:" + file).join("\n"));