@ng-doc/builder/engine/core/operators/create-builder.js

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createBuilder = createBuilder;
const rxjs_1 = require("rxjs");
const operators_1 = require("rxjs/operators");
const types_1 = require("../types");
let builderId = 0;
const blockedBuilders = new Set();
/**
 *
 * @param triggers
 * @param project
 * @param main
 * @param secondary
 * @param autoStart
 */
function createBuilder(triggers, project, autoStart = true) {
    const id = builderId++;
    const main = triggers.filter(types_1.isMainTrigger).map(({ trigger }) => trigger);
    const secondary = triggers.filter(types_1.isSecondaryTrigger).map(({ trigger }) => trigger);
    const mainTrigger = (main ? (0, rxjs_1.merge)(...main) : rxjs_1.EMPTY).pipe((0, operators_1.tap)(() => blockedBuilders.clear()));
    const secondaryTrigger = (secondary ? (0, rxjs_1.merge)(...secondary) : rxjs_1.EMPTY).pipe((0, operators_1.filter)(() => !blockedBuilders.has(id)));
    return (0, rxjs_1.merge)(mainTrigger, secondaryTrigger).pipe((0, rxjs_1.subscribeOn)(rxjs_1.asyncScheduler), autoStart ? (0, operators_1.startWith)(void 0) : (0, operators_1.tap)(), (0, operators_1.map)(() => id), (0, operators_1.switchMap)(() => {
        blockedBuilders.add(id);
        return project().pipe((0, operators_1.tap)((state) => {
            if ((0, types_1.isBuilderDone)(state) && state.fromCache) {
                blockedBuilders.delete(id);
            }
        }));
    }));
}
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