zcatalyst-cli/lib/fn-watcher.js

Command Line Tool for CATALYST

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const chokidar_1 = require("chokidar");
const languages_1 = require("./shell/prepare/languages");
const index_1 = require("./util_modules/logger/index");
const java_1 = require("./fn-utils/lib/java");
const constants_1 = require("./util_modules/constants");
exports.default = (target) => __awaiter(void 0, void 0, void 0, function* () {
    return new Promise((res) => {
        let paused = false;
        let latestEvent;
        const watcher = (0, chokidar_1.watch)(target.source, {
            ignored: [/(^|[\/\\])\../, 'node_modules/**/*', '/**/*.jar', 'catalyst-debug.log'],
            cwd: target.source,
            ignoreInitial: true
        });
        watcher.on('next', () => __awaiter(void 0, void 0, void 0, function* () {
            var _a;
            if (latestEvent === undefined) {
                paused = false;
                return;
            }
            const currentLatestEvent = latestEvent;
            (0, index_1.info)(`\n${currentLatestEvent.evnt} of ${currentLatestEvent.pth} in ${target.name} detected. Preparing your function, please wait...`);
            watcher.emit('preparing');
            target.failure_reason = undefined;
            target.valid = true;
            if (target.additionalInfo && 'compilerOut' in target.additionalInfo) {
                target.additionalInfo.compilerOut = {
                    error: [],
                    warning: []
                };
            }
            yield (0, languages_1.prepareFunctions)([target]);
            if (currentLatestEvent.at === latestEvent.at) {
                latestEvent = undefined;
            }
            ((_a = target.stack) === null || _a === void 0 ? void 0 : _a.startsWith(constants_1.RUNTIME.language.java.value)) &&
                (0, java_1.printCompilationLog)([target]);
            if (target.valid) {
                watcher.emit('compiled');
                return;
            }
            (0, index_1.warning)('target [' + target.name + '] is not a valid one reason : ' + target.failure_reason);
            (0, index_1.info)('Waiting for correction..');
            (0, index_1.info)('\n(To exit, press ^C)');
            watcher.emit('next');
        }));
        watcher.on('all', (evnt, pth) => {
            if ((latestEvent === null || latestEvent === void 0 ? void 0 : latestEvent.at) && Date.now() - latestEvent.at < 1000) {
                return;
            }
            latestEvent = { evnt, pth, at: Date.now() };
            if (paused) {
                return;
            }
            paused = true;
            watcher.emit('next');
        });
        watcher.on('ready', () => {
            target.watcher = watcher;
            res();
        });
        watcher.on('error', (err) => {
            (0, index_1.debug)(err);
            (0, index_1.warning)(`Unable to start watcher for target [${target.name}]. Skipping watch mode.`);
            res();
        });
    });
});