84 lines
1.8 KiB
JavaScript
84 lines
1.8 KiB
JavaScript
"use strict";
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var getV8Flags = require("v8flags");
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var path = require("path");
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var args = [path.join(__dirname, "_babel-node")];
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var babelArgs = process.argv.slice(2);
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var userArgs = void 0;
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var argSeparator = babelArgs.indexOf("--");
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if (argSeparator > -1) {
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userArgs = babelArgs.slice(argSeparator);
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babelArgs = babelArgs.slice(0, argSeparator);
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}
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function getNormalizedV8Flag(arg) {
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var matches = arg.match(/--(.+)/);
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if (matches) {
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return "--" + matches[1].replace(/-/g, "_");
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}
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return arg;
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}
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getV8Flags(function (err, v8Flags) {
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babelArgs.forEach(function (arg) {
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var flag = arg.split("=")[0];
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switch (flag) {
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case "-d":
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args.unshift("--debug");
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break;
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case "debug":
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case "--debug":
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case "--debug-brk":
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case "--inspect":
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case "--inspect-brk":
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args.unshift(arg);
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break;
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case "-gc":
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args.unshift("--expose-gc");
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break;
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case "--nolazy":
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args.unshift(flag);
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break;
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default:
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if (v8Flags.indexOf(getNormalizedV8Flag(flag)) >= 0 || arg.indexOf("--trace") === 0) {
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args.unshift(arg);
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} else {
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args.push(arg);
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}
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break;
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}
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});
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if (argSeparator > -1) {
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args = args.concat(userArgs);
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}
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try {
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var kexec = require("kexec");
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kexec(process.argv[0], args);
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} catch (err) {
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if (err.code !== "MODULE_NOT_FOUND") throw err;
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var child_process = require("child_process");
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var proc = child_process.spawn(process.argv[0], args, { stdio: "inherit" });
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proc.on("exit", function (code, signal) {
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process.on("exit", function () {
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if (signal) {
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process.kill(process.pid, signal);
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} else {
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process.exit(code);
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}
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});
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});
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}
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}); |