@greenmice/ngx-cesium/esm2022/lib/angular-cesium/services/cesium-properties/cesium-properties.service.mjs

Angular library for working with Cesium.

import { Injectable } from '@angular/core';
import { SmartAssigner } from '../smart-assigner/smart-assigner.service';
import * as i0 from "@angular/core";
import * as i1 from "ngx-cesium-parser";
import * as i2 from "../json-mapper/json-mapper.service";
export class CesiumProperties {
    constructor(_parser, _jsonMapper) {
        this._parser = _parser;
        this._jsonMapper = _jsonMapper;
        this._assignersCache = new Map();
        this._evaluatorsCache = new Map();
    }
    _compile(expression, withCache = true) {
        const cesiumDesc = {};
        const propsMap = new Map();
        const resultMap = this._jsonMapper.map(expression);
        resultMap.forEach((resultExpression, prop) => propsMap.set(prop, {
            expression: resultExpression,
            get: this._parser.eval(resultExpression)
        }));
        propsMap.forEach((value, prop) => {
            if (withCache) {
                cesiumDesc[prop || 'undefined'] = `cache.get(\`${value.expression}\`, () => propsMap.get('${prop}').get(context))`;
            }
            else {
                cesiumDesc[prop || 'undefined'] = `propsMap.get('${prop}').get(context)`;
            }
        });
        const fnBody = `return ${JSON.stringify(cesiumDesc).replace(/"/g, '')};`;
        const getFn = new Function('propsMap', 'cache', 'context', fnBody);
        return function evaluateCesiumProps(cache, context) {
            return getFn(propsMap, cache, context);
        };
    }
    _build(expression) {
        const props = Array.from(this._jsonMapper.map(expression).keys());
        const smartAssigner = SmartAssigner.create(props);
        return function assignCesiumProps(oldVal, newVal) {
            return smartAssigner(oldVal, newVal);
        };
    }
    createEvaluator(expression, withCache = true, newEvaluator = false) {
        if (!newEvaluator && this._evaluatorsCache.has(expression)) {
            return this._evaluatorsCache.get(expression);
        }
        const evaluatorFn = this._compile(expression, withCache);
        this._evaluatorsCache.set(expression, evaluatorFn);
        return evaluatorFn;
    }
    createAssigner(expression) {
        if (this._assignersCache.has(expression)) {
            return this._assignersCache.get(expression);
        }
        const assignFn = this._build(expression);
        this._assignersCache.set(expression, assignFn);
        return assignFn;
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "17.1.2", ngImport: i0, type: CesiumProperties, deps: [{ token: i1.Parse }, { token: i2.JsonMapper }], target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "17.1.2", ngImport: i0, type: CesiumProperties }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "17.1.2", ngImport: i0, type: CesiumProperties, decorators: [{
            type: Injectable
        }], ctorParameters: () => [{ type: i1.Parse }, { type: i2.JsonMapper }] });
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