80 lines
1.7 KiB
TypeScript
80 lines
1.7 KiB
TypeScript
import RuleInterface from "./RuleInterface";
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import FileObj from "../../vo/FileObj";
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import path from 'path';
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export default class InsertRule implements RuleInterface {
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/**
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* 开始位置
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*/
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start: number;
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/**
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* 记录当前的值是多少
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*/
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currentIndex: number;
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/**
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* 增量
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*/
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increment: number;
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/**
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* 是否填充0
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*/
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addZero: boolean;
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/**
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* 填充后长度
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*/
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numLength: number;
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/**
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* 插入位置,front:前缀，backend：后缀，at：位置
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*/
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insertType: string;
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/**
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* 插入的位置
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*/
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insertValue: number;
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/**
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* 忽略拓展名
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*/
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ignorePostfix: boolean;
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constructor(data: any) {
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this.start = data.start;
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this.currentIndex = data.start;
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this.increment = data.increment;
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this.addZero = data.addZero;
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this.numLength = data.numLength;
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this.insertType = data.insertType;
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this.insertValue = data.insertValue;
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this.ignorePostfix = data.ignorePostfix;
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}
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deal(file: FileObj): void {
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let length = this.currentIndex.toString().length;
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let numStr = (this.addZero && this.numLength > length ? "0".repeat(this.numLength - length) : "") + this.currentIndex;
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let str = this.ignorePostfix ? file.realName : file.name;
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switch (this.insertType) {
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case "front":
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str = numStr + str;
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break;
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case "backend":
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str = str + numStr;
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break;
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case "at":
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str = str.substring(0, this.insertValue - 1) + numStr + str.substring(this.insertValue - 1);
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break;
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}
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this.currentIndex += this.increment;
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if (this.ignorePostfix) {
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file.realName = str;
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} else {
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file.expandName = path.extname(str);
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if (file.expandName.length > 0) {
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file.realName = str.substring(0, str.lastIndexOf("."));
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} else {
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file.realName = str;
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}
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}
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file.name = file.realName + file.expandName;
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}
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} |