1 | "use strict";
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2 | var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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3 | return new (P || (P = Promise))(function (resolve, reject) {
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4 | function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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5 | function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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6 | function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
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7 | step((generator = generator.apply(thisArg, _arguments || [])).next());
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8 | });
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9 | };
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10 | var __generator = (this && this.__generator) || function (thisArg, body) {
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11 | 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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12 | 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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13 | function verb(n) { return function (v) { return step([n, v]); }; }
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14 | function step(op) {
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15 | if (f) throw new TypeError("Generator is already executing.");
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16 | while (_) try {
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17 | 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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18 | if (y = 0, t) op = [op[0] & 2, t.value];
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19 | switch (op[0]) {
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20 | case 0: case 1: t = op; break;
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21 | case 4: _.label++; return { value: op[1], done: false };
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22 | case 5: _.label++; y = op[1]; op = [0]; continue;
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23 | case 7: op = _.ops.pop(); _.trys.pop(); continue;
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24 | default:
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25 | if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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26 | if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
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27 | if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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28 | if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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29 | if (t[2]) _.ops.pop();
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30 | _.trys.pop(); continue;
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31 | }
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32 | op = body.call(thisArg, _);
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33 | } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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34 | if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
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35 | }
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36 | };
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37 | var _this = this;
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38 | Object.defineProperty(exports, "__esModule", { value: true });
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39 | var codegen_1 = require("../codegen");
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40 | var graphql_codegen_core_1 = require("graphql-codegen-core");
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41 | var watchman = require("fb-watchman");
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42 | var pify = require("pify");
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43 | var isValidPath = require("is-valid-path");
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44 | var isGlob = require("is-glob");
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45 | var getMatch = function (doc) {
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46 |
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47 | return ['match', doc.replace(/^\.\//, ''), 'wholename'];
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48 | };
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49 | exports.createWatcher = function (options, onNext) {
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50 | var args = options.args, schema = options.schema;
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51 | var files = [];
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52 | if (args) {
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53 | files.push.apply(files, args);
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54 | }
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55 | if (isGlob(schema) || isValidPath(schema)) {
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56 | files.push(schema);
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57 | }
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58 | var client = pify(new watchman.Client());
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59 | var runWatcher = function () { return __awaiter(_this, void 0, void 0, function () {
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60 | var version, _a, warning, watch, _b, relative_path, clock, sub, subscribe, isShutdown, shutdown;
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61 | var _this = this;
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62 | return __generator(this, function (_c) {
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63 | switch (_c.label) {
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64 | case 0: return [4 , client.capabilityCheck({
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65 | optional: [],
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66 | required: ['relative_root', 'wildmatch']
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67 | })];
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68 | case 1:
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69 | version = (_c.sent()).version;
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70 | graphql_codegen_core_1.getLogger().info("Watching for changes with watchman v" + version + "...");
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71 | return [4 , client.command(['watch-project', process.cwd()])];
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72 | case 2:
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73 | _a = _c.sent(), warning = _a.warning, watch = _a.watch, _b = _a.relative_path, relative_path = _b === void 0 ? '' : _b;
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74 | if (warning) {
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75 | graphql_codegen_core_1.getLogger().warning(warning);
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76 | }
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77 | return [4 , client.command(['clock', watch])];
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78 | case 3:
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79 | clock = (_c.sent()).clock;
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80 | sub = {
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81 | relative_root: relative_path,
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82 | expression: ['allof', ['anyof'].concat(files.map(getMatch)), ['not', 'empty'], ['type', 'f']],
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83 | fields: ['name', 'size', 'mtime_ms', 'exists'],
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84 | since: clock
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85 | };
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86 | return [4 , client.command(['subscribe', watch, 'codegen', sub])];
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87 | case 4:
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88 | subscribe = (_c.sent()).subscribe;
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89 | isShutdown = false;
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90 | shutdown = function () { return __awaiter(_this, void 0, void 0, function () {
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91 | return __generator(this, function (_a) {
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92 | switch (_a.label) {
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93 | case 0:
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94 | isShutdown = true;
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95 | graphql_codegen_core_1.getLogger().info('Shutting down watch...');
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96 | return [4 , client.command(['unsubscribe', watch, subscribe])];
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97 | case 1:
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98 | _a.sent();
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99 | client.end();
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100 | return [2 ];
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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 | client.on('subscription', function () {
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106 | if (!isShutdown) {
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107 | codegen_1.executeWithOptions(options).then(onNext);
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108 | }
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109 | });
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110 | process.once('SIGINT', shutdown);
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111 | process.once('SIGTERM', shutdown);
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112 | return [2 ];
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113 | }
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114 | });
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115 | }); };
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116 |
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117 | return new Promise(function (_, reject) {
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118 | codegen_1.executeWithOptions(options)
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119 | .then(onNext)
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120 | .then(runWatcher)
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121 | .catch(function (err) {
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122 | client.end();
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123 | reject(err);
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124 | });
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125 | });
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126 | };
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127 |
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