ngx-amap/esm2015/shared/amap-plugin-loader.service.js

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/**
 * @fileoverview added by tsickle
 * Generated from: shared/amap-plugin-loader.service.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import { Injectable } from '@angular/core';
import { ReplaySubject } from 'rxjs';
import { switchMap } from 'rxjs/operators';
import { LoggerService } from './logger/logger.service';
import { AMapLoaderService } from './amap-loader.service';
/** @type {?} */
const TAG = 'PluginLoader';
export class AmapPluginLoaderService {
    /**
     * @param {?} mapLoader
     * @param {?} logger
     */
    constructor(mapLoader, logger) {
        this.mapLoader = mapLoader;
        this.logger = logger;
        this.state = new Map();
    }
    /**
     * 加载一个或多个插件
     * @param {?} name
     * @return {?}
     */
    load(name) {
        /** @type {?} */
        let pKey = '';
        if (Array.isArray(name)) {
            pKey = name.join(',');
        }
        else {
            pKey = name;
        }
        if (this.state.has(pKey)) {
            return this.state.get(pKey).asObservable();
        }
        this.logger.d(TAG, 'loading plugin:', pKey, '...');
        return this.mapLoader.load().pipe(switchMap((/**
         * @return {?}
         */
        () => {
            /** @type {?} */
            const loading$ = new ReplaySubject(1);
            AMap.plugin(name, (/**
             * @return {?}
             */
            () => {
                this.logger.d(TAG, 'loading plugin:', pKey, 'COMPLETE');
                loading$.next();
                loading$.complete();
            }));
            this.state.set(pKey, loading$);
            return loading$.asObservable();
        })));
    }
}
AmapPluginLoaderService.decorators = [
    { type: Injectable }
];
/** @nocollapse */
AmapPluginLoaderService.ctorParameters = () => [
    { type: AMapLoaderService },
    { type: LoggerService }
];
if (false) {
    /**
     * @type {?}
     * @private
     */
    AmapPluginLoaderService.prototype.state;
    /**
     * @type {?}
     * @private
     */
    AmapPluginLoaderService.prototype.mapLoader;
    /**
     * @type {?}
     * @private
     */
    AmapPluginLoaderService.prototype.logger;
}
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