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84 lines
1.8 KiB
84 lines
1.8 KiB
"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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}); |