@tsdi/pack/src/tasks/WatchActivity.js

@tsdi/pack is simple build tasks, base on AOP, Ioc container, via @tsdi. dev build pack activities.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.WatchActivity = void 0;
var tslib_1 = require("tslib");
var ioc_1 = require("@tsdi/ioc");
var components_1 = require("@tsdi/components");
var activities_1 = require("@tsdi/activities");
var rxjs_1 = require("rxjs");
var operators_1 = require("rxjs/operators");
var NodeActivity_1 = require("../NodeActivity");
var chokidar = require('chokidar');
/**
 * watch activity.
 *
 * @export
 * @class WatchActivity
 * @extends {BuildHandleActivity}
 */
var WatchActivity = /** @class */ (function (_super) {
    tslib_1.__extends(WatchActivity, _super);
    function WatchActivity() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    WatchActivity.prototype.execute = function (ctx) {
        return tslib_1.__awaiter(this, void 0, void 0, function () {
            var watchSrc, options, watcher, defer;
            var _this = this;
            return tslib_1.__generator(this, function (_a) {
                watchSrc = this.watch;
                options = this.options;
                watcher = chokidar.watch(ctx.platform.normalizeSrc(watchSrc), Object.assign({ ignored: /[\/\\]\./, ignoreInitial: true, cwd: ctx.platform.getRootPath() }, options));
                defer = ioc_1.PromiseUtil.defer();
                rxjs_1.fromEventPattern(function (handler) {
                    watcher.on('add', function (paths) { return handler(paths); });
                    watcher.on('change', function (paths) { return handler(paths); });
                    watcher.on('unlink', function (paths) { return handler(paths); });
                    watcher.on('unlinkDir', function (paths) { return handler(paths); });
                }, function (handler) {
                    watcher.close();
                })
                    .pipe(operators_1.bufferTime(300), operators_1.filter(function (c) { return c.length > 0; }))
                    .subscribe(function (chg) {
                    ctx.getExector().runActivity(_this.body);
                });
                defer.promise;
                return [2 /*return*/];
            });
        });
    };
    WatchActivity.ρAnn = function () {
        return { "name": "WatchActivity", "params": { "execute": ["ctx"] } };
    };
    tslib_1.__decorate([
        components_1.Input(),
        tslib_1.__metadata("design:type", Object)
    ], WatchActivity.prototype, "watch", void 0);
    tslib_1.__decorate([
        components_1.Input('watchOptions'),
        tslib_1.__metadata("design:type", Object)
    ], WatchActivity.prototype, "options", void 0);
    tslib_1.__decorate([
        components_1.Input({ bindingType: 'dynamic' }),
        tslib_1.__metadata("design:type", Object)
    ], WatchActivity.prototype, "body", void 0);
    WatchActivity = tslib_1.__decorate([
        activities_1.Task('watch')
    ], WatchActivity);
    return WatchActivity;
}(NodeActivity_1.NodeActivity));
exports.WatchActivity = WatchActivity;

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