1 | "use strict";
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2 |
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3 | var getV8Flags = require("v8flags");
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4 | var path = require("path");
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5 |
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6 | var args = [path.join(__dirname, "_babel-node")];
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7 |
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8 | var babelArgs = process.argv.slice(2);
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9 | var userArgs = void 0;
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10 |
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11 | var argSeparator = babelArgs.indexOf("--");
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12 | if (argSeparator > -1) {
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13 | userArgs = babelArgs.slice(argSeparator);
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14 | babelArgs = babelArgs.slice(0, argSeparator);
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15 | }
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16 |
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17 | function getNormalizedV8Flag(arg) {
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18 | var matches = arg.match(/--(.+)/);
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19 |
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20 | if (matches) {
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21 | return "--" + matches[1].replace(/-/g, "_");
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22 | }
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23 |
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24 | return arg;
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25 | }
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26 |
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27 | getV8Flags(function (err, v8Flags) {
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28 | babelArgs.forEach(function (arg) {
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29 | var flag = arg.split("=")[0];
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30 |
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31 | switch (flag) {
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32 | case "-d":
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33 | args.unshift("--debug");
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34 | break;
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35 |
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36 | case "debug":
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37 | case "--debug":
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38 | case "--debug-brk":
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39 | case "--inspect":
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40 | args.unshift(arg);
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41 | break;
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42 |
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43 | case "-gc":
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44 | args.unshift("--expose-gc");
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45 | break;
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46 |
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47 | case "--nolazy":
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48 | args.unshift(flag);
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49 | break;
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50 |
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51 | default:
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52 | if (v8Flags.indexOf(getNormalizedV8Flag(flag)) >= 0 || arg.indexOf("--trace") === 0) {
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53 | args.unshift(arg);
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54 | } else {
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55 | args.push(arg);
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56 | }
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57 | break;
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58 | }
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59 | });
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60 |
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61 | if (argSeparator > -1) {
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62 | args = args.concat(userArgs);
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63 | }
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64 |
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65 | try {
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66 | var kexec = require("kexec");
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67 | kexec(process.argv[0], args);
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68 | } catch (err) {
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69 | if (err.code !== "MODULE_NOT_FOUND") throw err;
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70 |
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71 | var child_process = require("child_process");
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72 | var proc = child_process.spawn(process.argv[0], args, { stdio: "inherit" });
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73 | proc.on("exit", function (code, signal) {
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74 | process.on("exit", function () {
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75 | if (signal) {
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76 | process.kill(process.pid, signal);
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77 | } else {
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78 | process.exit(code);
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79 | }
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80 | });
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81 | });
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82 | }
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83 | }); |
\ | No newline at end of file |