typescript-util/esm/model/ConstantValueMapping.js

JS/TS 的简单工具

// noinspection JSUnusedGlobalSymbols
import { ObjectTool } from '../tool/ObjectTool';
/**
 * 常量值映射
 */
export class ConstantValueMapping {
    /**
     * 原常量值, 保留
     */
    constant;
    /**
     * 选项数组数据
     */
    dicArr;
    /**
     * 展示用数据
     * @see toDisplay
     */
    display;
    /**
     */
    constructor(constantValue = {}) {
        this.constant = constantValue;
        this.dicArr = ObjectTool.toArray(constantValue)
            .map(({ key, value }) => ({ label: key, value }));
        this.display = ObjectTool.keyValueReverse(constantValue);
    }
    /**
     * {@link #display} 的替代品, 设置默认值
     */
    toDisplay(value, defaultValue = '') {
        return this.display[value] ?? defaultValue;
    }
    /**
     * 选项数组, 排除指定的值
     */
    optionArrayExclude(...excludeValue) {
        return this.dicArr.filter(i => !excludeValue.includes(i.value));
    }
    /**
     * 选项数组 仅包含指定的值
     */
    optionArrayInclude(...includeValue) {
        return this.dicArr.filter(i => includeValue.includes(i.value));
    }
}
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