| 1 | ;
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| 2 | var __importDefault = (this && this.__importDefault) || function (mod) {
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| 3 | return (mod && mod.__esModule) ? mod : { "default": mod };
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| 4 | };
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| 5 | Object.defineProperty(exports, "__esModule", { value: true });
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| 6 | const process_1 = __importDefault(require("process"));
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| 7 | const readline_1 = require("readline");
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| 8 | const lodash_1 = require("lodash");
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| 9 | const LOCK_KEY_PRESS_TIMEOUT = 1000;
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| 10 | let instance;
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| 11 | class LiveModeKeyboardEventObserver {
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| 12 | constructor() {
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| 13 | this.controllers = [];
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| 14 | this.lockKeyPress = false;
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| 15 | if (!instance) {
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| 16 | this._listenKeyEvents();
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| 17 | instance = this;
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| 18 | }
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| 19 | return instance;
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| 20 | }
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| 21 | push(controller) {
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| 22 | this.controllers.push(controller);
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| 23 | if (process_1.default.stdin.isTTY)
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| 24 | this.setRawMode(true);
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| 25 | }
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| 26 | remove(controller) {
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| 27 | lodash_1.pull(this.controllers, controller);
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| 28 | if (!this.controllers.length)
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| 29 | this.setRawMode(false);
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| 30 | }
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| 31 | _listenKeyEvents() {
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| 32 | readline_1.emitKeypressEvents(process_1.default.stdin);
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| 33 | process_1.default.stdin.on('keypress', this._onKeyPress.bind(this));
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| 34 | }
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| 35 | setRawMode(value) {
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| 36 | if (process_1.default.stdin.setRawMode !== void 0)
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| 37 | process_1.default.stdin.setRawMode(value);
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| 38 | }
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| 39 | _onKeyPress(string, key) {
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| 40 | if (this.lockKeyPress)
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| 41 | return;
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| 42 | this.lockKeyPress = true;
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| 43 | setTimeout(() => {
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| 44 | this.lockKeyPress = false;
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| 45 | }, LOCK_KEY_PRESS_TIMEOUT);
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| 46 | if (key && key.ctrl) {
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| 47 | switch (key.name) {
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| 48 | case 's':
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| 49 | this._stop();
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| 50 | return;
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| 51 | case 'r':
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| 52 | this._restart();
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| 53 | return;
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| 54 | case 'c':
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| 55 | this._exit();
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| 56 | return;
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| 57 | case 'w':
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| 58 | this._toggleWatching();
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| 59 | return;
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| 60 | }
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| 61 | }
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| 62 | }
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| 63 | _stop() {
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| 64 | this.controllers.forEach(c => c.stop());
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| 65 | }
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| 66 | _restart() {
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| 67 | this.controllers.forEach(c => c.restart());
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| 68 | }
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| 69 | _exit() {
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| 70 | this.controllers.forEach(c => c.exit());
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| 71 | }
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| 72 | _toggleWatching() {
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| 73 | this.controllers.forEach(c => c.toggleWatching());
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| 74 | }
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| 75 | }
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| 76 | exports.default = LiveModeKeyboardEventObserver;
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| 77 | module.exports = exports.default;
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| 78 | //# 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| \ | No newline at end of file |