54 lines
1.5 KiB
TypeScript
54 lines
1.5 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 ReplaceRule implements RuleInterface {
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/**
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* 1:替换第一个，2：替换最后一个，3：全部替换
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*/
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type: number;
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/**
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* 前面追加
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*/
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source: string;
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/**
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* 后面追加
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*/
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target: string;
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constructor(data: any) {
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this.type = data.type;
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this.source = data.source;
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this.target = data.target;
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}
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deal(file: FileObj): void {
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let start = 0;
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let changed = false;
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for (; ;) {
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let index = this.type == 1 || this.type == 3 ? file.name.indexOf(this.source, start) : file.name.lastIndexOf(this.source);
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if (index > -1) {
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file.name = file.name.substring(0, index) + this.target + file.name.substring(index + this.source.length);
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start = index + this.target.length;
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changed = true;
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if (this.type != 3) {
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break;
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}
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} else {
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break;
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}
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}
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if (changed) {
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file.originName = file.name;
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file.expandName = path.extname(file.name);
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if (file.expandName && file.expandName.length > 0) {
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file.realName = file.name.substring(0, file.name.lastIndexOf("."));
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} else {
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file.realName = file.name;
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}
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}
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}
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} |