@visactor/vchart/esm/compile/grammar-item.js

charts lib based @visactor/VGrammar

import { isValid } from "@visactor/vutils";

import { createID } from "../util/id";

import { CompilableBase } from "./compilable-base";

export class GrammarItem extends CompilableBase {
    constructor() {
        super(...arguments), this.id = createID(), this._compiledProductId = null, this._depend = [];
    }
    getProduct() {
        if (isValid(this._product)) return this._product;
        const view = this.getVGrammarView(), id = this.getProductId();
        return isValid(id) && isValid(view) && (this._product = this._lookupGrammar(id)), 
        this._product;
    }
    getProductId() {
        var _a;
        return null !== (_a = this._compiledProductId) && void 0 !== _a ? _a : this.generateProductId();
    }
    getDepend() {
        return this._depend;
    }
    setDepend(...depend) {
        this._depend = depend;
    }
    compile(option) {
        this._compileProduct(option), this._afterCompile(option);
    }
    _afterCompile(option) {
        var _a;
        isValid(this._product) && (null === (_a = this.getCompiler()) || void 0 === _a || _a.addGrammarItem(this));
    }
    updateDepend() {
        if (isValid(this._product)) {
            const depend = this.getDepend().map((item => item.getProduct())).filter(isValid);
            return this._product.depend(depend), depend.length === this.getDepend().length;
        }
        return !1;
    }
    release() {
        this.removeProduct(), super.release(), this._depend = [];
    }
    removeProduct(reserveVGrammarModel) {
        this.getCompiler().removeGrammarItem(this, reserveVGrammarModel), this._product = null, 
        this._compiledProductId = null;
    }
}
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