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Copy pathSourceMapCorrector.ts
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Copy pathSourceMapCorrector.ts
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98 lines (78 loc) · 2.27 KB
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import { IObfuscationResult } from "./interfaces/IObfuscationResult";
import { TSourceMapMode } from "./types/TSourceMapMode";
import { SourceMapMode } from "./enums/SourceMapMode";
import { ObfuscationResult } from "./ObfuscationResult";
import { Utils } from "./Utils";
export class SourceMapCorrector {
/**
* @type {string}
*/
private obfuscatedCode: string;
/**
* @type {string}
*/
private sourceMap: string;
/**
* @type {TSourceMapMode}
*/
private sourceMapMode: TSourceMapMode;
/**
* @type {string}
*/
private sourceMapUrl: string;
/**
* @param obfuscationResult
* @param sourceMapUrl
* @param sourceMapMode
*/
constructor (
obfuscationResult: IObfuscationResult,
sourceMapUrl: string,
sourceMapMode: TSourceMapMode
) {
this.obfuscatedCode = obfuscationResult.getObfuscatedCode();
this.sourceMap = obfuscationResult.getSourceMap();
this.sourceMapUrl = sourceMapUrl;
this.sourceMapMode = sourceMapMode;
}
/**
* @returns {ObfuscationResult}
*/
public correct (): IObfuscationResult {
return new ObfuscationResult(
this.correctObfuscatedCode(),
this.correctSourceMap()
);
}
/**
* @returns {string}
*/
private correctObfuscatedCode (): string {
if (!this.sourceMap) {
return this.obfuscatedCode;
}
let sourceMappingUrl: string = '//# sourceMappingURL=';
switch (this.sourceMapMode) {
case SourceMapMode.Inline:
sourceMappingUrl += `data:application/json;base64,${Utils.btoa(this.sourceMapUrl || this.sourceMap, false)}`;
break;
case SourceMapMode.Separate:
default:
if (this.sourceMapUrl) {
sourceMappingUrl += this.sourceMapUrl;
break;
}
return this.obfuscatedCode;
}
return `${this.obfuscatedCode}\n${sourceMappingUrl}`;
};
/**
* @returns {string}
*/
private correctSourceMap (): string {
if (this.sourceMapMode === SourceMapMode.Inline) {
return '';
}
return this.sourceMap;
}
}