1 | "use strict";
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2 |
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3 | const path = require("path");
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4 |
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5 | const fs = require("fs");
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6 |
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7 | const os = require("os");
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8 |
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9 | const babel = require("@babel/core");
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10 |
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11 | const findCacheDir = require("find-cache-dir");
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12 |
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13 | const DEFAULT_CACHE_DIR = findCacheDir({
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14 | name: "@babel/register"
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15 | }) || os.homedir() || os.tmpdir();
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16 | const DEFAULT_FILENAME = path.join(DEFAULT_CACHE_DIR, `.babel.${babel.version}.${babel.getEnv()}.json`);
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17 | const FILENAME = process.env.BABEL_CACHE_PATH || DEFAULT_FILENAME;
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18 | let data = {};
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19 | let cacheDirty = false;
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20 | let cacheDisabled = false;
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21 |
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22 | function isCacheDisabled() {
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23 | var _process$env$BABEL_DI;
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24 |
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25 | return (_process$env$BABEL_DI = process.env.BABEL_DISABLE_CACHE) != null ? _process$env$BABEL_DI : cacheDisabled;
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26 | }
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27 |
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28 | exports.save = save;
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29 |
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30 | function save() {
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31 | if (isCacheDisabled() || !cacheDirty) return;
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32 | cacheDirty = false;
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33 | let serialised = "{}";
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34 |
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35 | try {
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36 | serialised = JSON.stringify(data, null, " ");
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37 | } catch (err) {
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38 | if (err.message === "Invalid string length") {
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39 | err.message = "Cache too large so it's been cleared.";
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40 | console.error(err.stack);
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41 | } else {
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42 | throw err;
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43 | }
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44 | }
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45 |
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46 | try {
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47 | (((v, w) => (v = v.split("."), w = w.split("."), +v[0] > +w[0] || v[0] == w[0] && +v[1] >= +w[1]))(process.versions.node, "10.12") ? fs.mkdirSync : require("make-dir").sync)(path.dirname(FILENAME), {
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48 | recursive: true
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49 | });
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50 | fs.writeFileSync(FILENAME, serialised);
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51 | } catch (e) {
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52 | switch (e.code) {
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53 | case "ENOENT":
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54 | case "EACCES":
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55 | case "EPERM":
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56 | console.warn(`Babel could not write cache to file: ${FILENAME}
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57 | due to a permission issue. Cache is disabled.`);
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58 | cacheDisabled = true;
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59 | break;
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60 |
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61 | case "EROFS":
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62 | console.warn(`Babel could not write cache to file: ${FILENAME}
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63 | because it resides in a readonly filesystem. Cache is disabled.`);
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64 | cacheDisabled = true;
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65 | break;
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66 |
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67 | default:
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68 | throw e;
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69 | }
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70 | }
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71 | }
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72 |
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73 | exports.load = function load() {
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74 | if (isCacheDisabled()) {
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75 | data = {};
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76 | return;
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77 | }
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78 |
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79 | process.on("exit", save);
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80 | process.nextTick(save);
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81 | let cacheContent;
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82 |
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83 | try {
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84 | cacheContent = fs.readFileSync(FILENAME);
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85 | } catch (e) {
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86 | switch (e.code) {
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87 | case "EACCES":
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88 | console.warn(`Babel could not read cache file: ${FILENAME}
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89 | due to a permission issue. Cache is disabled.`);
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90 | cacheDisabled = true;
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91 |
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92 | default:
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93 | return;
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94 | }
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95 | }
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96 |
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97 | try {
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98 | data = JSON.parse(cacheContent);
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99 | } catch (_unused) {}
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100 | };
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101 |
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102 | exports.get = function get() {
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103 | return data;
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104 | };
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105 |
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106 | exports.setDirty = function setDirty() {
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107 | cacheDirty = true;
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108 | };
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109 |
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110 | exports.clear = function clear() {
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111 | data = {};
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112 | }; |
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