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ObfuscatedCodeWriter.ts
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108 lines (92 loc) · 3.28 KB
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import * as fs from 'fs';
import * as mkdirp from 'mkdirp';
import * as path from 'path';
import { TInputCLIOptions } from '../../types/options/TInputCLIOptions';
import { StringSeparator } from '../../enums/StringSeparator';
import { JavaScriptObfuscatorCLI } from '../JavaScriptObfuscatorCLI';
export class ObfuscatedCodeWriter {
/**
* @type {string}
*/
private readonly inputPath: string;
/**
* @type {TInputCLIOptions}
*/
private readonly options: TInputCLIOptions;
/**
* @param {string} inputPath
* @param {TInputCLIOptions} options
*/
public constructor (
inputPath: string,
options: TInputCLIOptions
) {
this.inputPath = inputPath;
this.options = options;
}
/**
* @param {string} filePath
* @returns {string}
*/
public getOutputCodePath (filePath: string): string {
const normalizedRawOutputPath: string | null = this.options.output
? path.normalize(this.options.output)
: null;
if (!normalizedRawOutputPath) {
return path
.normalize(filePath)
.split(StringSeparator.Dot)
.map((value: string, index: number) => {
return index === 0 ? `${value}${JavaScriptObfuscatorCLI.obfuscatedFilePrefix}` : value;
})
.join(StringSeparator.Dot);
}
const rawInputPathStats: fs.Stats = fs.lstatSync(this.inputPath);
const outputPathExtName: string = path.extname(normalizedRawOutputPath);
const isDirectoryRawInputPath: boolean = rawInputPathStats.isDirectory();
const isDirectoryRawOutputPath: boolean = !JavaScriptObfuscatorCLI
.availableInputExtensions
.includes(outputPathExtName);
if (isDirectoryRawInputPath) {
if (isDirectoryRawOutputPath) {
return path.join(normalizedRawOutputPath, filePath);
} else {
throw new Error('Output path for directory obfuscation should be a directory path');
}
} else {
if (isDirectoryRawOutputPath) {
return path.join(normalizedRawOutputPath, path.basename(filePath));
} else {
return normalizedRawOutputPath;
}
}
}
/**
* @param {string} outputCodePath
* @param {string} sourceMapFileName
* @returns {string}
*/
public getOutputSourceMapPath (outputCodePath: string, sourceMapFileName: string = ''): string {
if (sourceMapFileName) {
outputCodePath = `${outputCodePath.substring(
0, outputCodePath.lastIndexOf('/')
)}/${sourceMapFileName}`;
}
if (!/\.js\.map$/.test(outputCodePath)) {
outputCodePath = `${outputCodePath.split(StringSeparator.Dot)[0]}.js.map`;
} else if (/\.js$/.test(outputCodePath)) {
outputCodePath += '.map';
}
return outputCodePath;
}
/**
* @param {string} outputPath
* @param {string} data
*/
public writeFile (outputPath: string, data: string): void {
mkdirp.sync(path.dirname(outputPath));
fs.writeFileSync(outputPath, data, {
encoding: JavaScriptObfuscatorCLI.encoding
});
}
}