1 | "use strict";
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2 | var __extends = (this && this.__extends) || (function () {
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3 | var extendStatics = function (d, b) {
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4 | extendStatics = Object.setPrototypeOf ||
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5 | ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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6 | function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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7 | return extendStatics(d, b);
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8 | };
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9 | return function (d, b) {
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10 | extendStatics(d, b);
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11 | function __() { this.constructor = d; }
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12 | d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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13 | };
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14 | })();
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15 | var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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16 | return new (P || (P = Promise))(function (resolve, reject) {
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17 | function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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18 | function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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19 | function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
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20 | step((generator = generator.apply(thisArg, _arguments || [])).next());
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21 | });
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22 | };
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23 | var __generator = (this && this.__generator) || function (thisArg, body) {
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24 | var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
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25 | return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
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26 | function verb(n) { return function (v) { return step([n, v]); }; }
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27 | function step(op) {
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28 | if (f) throw new TypeError("Generator is already executing.");
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29 | while (_) try {
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30 | if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
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31 | if (y = 0, t) op = [op[0] & 2, t.value];
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32 | switch (op[0]) {
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33 | case 0: case 1: t = op; break;
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34 | case 4: _.label++; return { value: op[1], done: false };
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35 | case 5: _.label++; y = op[1]; op = [0]; continue;
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36 | case 7: op = _.ops.pop(); _.trys.pop(); continue;
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37 | default:
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38 | if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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39 | if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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40 | if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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41 | if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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42 | if (t[2]) _.ops.pop();
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43 | _.trys.pop(); continue;
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44 | }
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45 | op = body.call(thisArg, _);
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46 | } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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47 | if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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48 | }
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49 | };
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50 | Object.defineProperty(exports, "__esModule", { value: true });
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51 | var loader_remote_1 = require("@chix/loader-remote");
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52 | var fs = require("fs");
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53 | var util = require("util");
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54 | var util_1 = require("./util");
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55 | var readFile = util.promisify(fs.readFile);
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56 | var syncer;
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57 | function nop() { }
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58 |
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59 |
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60 |
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61 | var FSLoader = (function (_super) {
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62 | __extends(FSLoader, _super);
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63 | function FSLoader(opts) {
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64 | if (opts === void 0) { opts = {}; }
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65 | var _this = _super.call(this) || this;
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66 | _this.opts = {};
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67 | _this._cacheFile = './.x.cache';
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68 | _this.opts.cache = Boolean(opts.cache);
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69 | _this.opts.purge = Boolean(opts.purge);
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70 |
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71 | if (_this.opts.purge) {
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72 | try {
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73 | fs.unlinkSync(_this._cacheFile);
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74 | _this.emit('purgeCache', {
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75 | file: _this._cacheFile
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76 | });
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77 | }
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78 | catch (error) {
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79 | nop();
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80 | }
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81 | }
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82 | if (_this.opts.cache && !_this.opts.purge) {
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83 | if (syncer) {
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84 | process.removeListener('exit', syncer);
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85 | }
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86 | else {
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87 |
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88 | process.on('SIGINT', function () {
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89 | process.exit();
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90 | });
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91 | }
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92 | syncer = _this.syncState.bind(_this);
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93 | process.on('exit', syncer);
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94 | }
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95 | return _this;
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96 | }
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97 | |
98 |
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99 |
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100 |
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101 |
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102 |
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103 |
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104 |
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105 |
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106 |
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107 | FSLoader.prototype.load = function (flow, update) {
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108 | if (update === void 0) { update = false; }
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109 | return __awaiter(this, void 0, void 0, function () {
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110 | var content, cache, error_1;
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111 | return __generator(this, function (_a) {
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112 | switch (_a.label) {
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113 | case 0:
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114 | if (!this.opts.cache) return [3 , 4];
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115 | _a.label = 1;
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116 | case 1:
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117 | _a.trys.push([1, 3, , 4]);
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118 | return [4 , readFile(this._cacheFile, 'utf8')];
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119 | case 2:
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120 | content = _a.sent();
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121 | cache = JSON.parse(content);
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122 | this.setDependencies(cache.dependencies);
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123 | this.setNodeDefinitions(cache.nodeDefinitions);
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124 | this.emit('loadCache', {
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125 | file: this._cacheFile,
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126 | cache: cache
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127 | });
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128 |
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129 | return [2 , _super.prototype.load.call(this, flow, update)];
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130 | case 3:
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131 | error_1 = _a.sent();
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132 | if (error_1.code !== 'ENOENT') {
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133 | throw Error(error_1);
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134 | }
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135 | return [3 , 4];
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136 | case 4: return [2 , _super.prototype.load.call(this, flow, update)];
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137 | }
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138 | });
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139 | });
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140 | };
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141 | |
142 |
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143 |
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144 |
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145 |
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146 |
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147 | FSLoader.prototype.loadFile = function (location) {
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148 | return __awaiter(this, void 0, void 0, function () {
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149 | return __generator(this, function (_a) {
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150 | this.emit('loadFile', { path: location.path });
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151 | return [2 , util_1.loadFile(location)];
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152 | });
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153 | });
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154 | };
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155 | |
156 |
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157 |
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158 | FSLoader.prototype.syncState = function () {
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159 |
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160 | fs.writeFileSync(this._cacheFile, JSON.stringify({
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161 | dependencies: this.getDependencies(),
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162 | nodeDefinitions: this.getNodeDefinitions()
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163 | }, null, 2));
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164 | this.emit('writeCache', {
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165 | file: this._cacheFile
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166 | });
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167 | };
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168 | return FSLoader;
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169 | }(loader_remote_1.RemoteLoader));
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170 | exports.FSLoader = FSLoader;
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171 |
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