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CLIUtils.ts
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137 lines (118 loc) · 3.55 KB
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import * as fs from 'fs';
import * as mkdirp from 'mkdirp';
import * as path from 'path';
import { TObject } from '../../types/TObject';
import { IPackageConfig } from '../../interfaces/IPackageConfig';
export class CLIUtils {
/**
* @type {string[]}
*/
private static readonly availableInputExtensions: string[] = [
'.js'
];
/**
* @type {BufferEncoding}
*/
private static readonly encoding: BufferEncoding = 'utf8';
/**
* @param {string} outputPath
* @param {string} inputPath
* @returns {string}
*/
public static getOutputCodePath (outputPath: string|undefined, inputPath: string): string {
if (outputPath) {
return outputPath;
}
return inputPath
.split('.')
.map((value: string, index: number) => {
return index === 0 ? `${value}-obfuscated` : value;
})
.join('.');
}
/**
* @param {string} outputCodePath
* @param {string} sourceMapFileName
* @returns {string}
*/
public static getOutputSourceMapPath (outputCodePath: string, sourceMapFileName: string = ''): string {
if (sourceMapFileName) {
outputCodePath = `${outputCodePath.substring(
0, outputCodePath.lastIndexOf('/')
)}/${sourceMapFileName}`;
}
if (!/\.js\.map$/.test(outputCodePath)) {
outputCodePath = `${outputCodePath.split('.')[0]}.js.map`;
} else if (/\.js$/.test(outputCodePath)) {
outputCodePath += '.map';
}
return outputCodePath;
}
/**
* @returns {IPackageConfig}
*/
public static getPackageConfig (): IPackageConfig {
return JSON.parse(
fs.readFileSync(
path.join(
path.dirname(
fs.realpathSync(process.argv[1])
),
'../package.json'
),
CLIUtils.encoding
)
);
}
/**
* @param {string} configPath
* @returns {TObject}
*/
public static getUserConfig (configPath: string): TObject {
let config: Object;
try {
config = require(configPath);
} catch (e) {
try {
config = __non_webpack_require__(configPath);
} catch (e) {
throw new ReferenceError('Given config path must be a valid file path');
}
}
return config;
}
/**
* @param {string} filePath
* @returns {boolean}
*/
public static isFilePath (filePath: string): boolean {
try {
return fs.statSync(filePath).isFile();
} catch (e) {
return false;
}
}
/**
* @param {string} inputPath
* @returns {string}
*/
public static readSourceCode (inputPath: string): string {
if (!CLIUtils.isFilePath(inputPath)) {
throw new ReferenceError(`Given input path must be a valid file path`);
}
if (!CLIUtils.availableInputExtensions.includes(path.extname(inputPath))) {
throw new ReferenceError(`Input file must have .js extension`);
}
return fs.readFileSync(inputPath, CLIUtils.encoding);
}
/**
* @param {string} outputPath
* @param {any} data
*/
public static writeFile (outputPath: string, data: any): void {
mkdirp.sync(path.dirname(outputPath));
fs.writeFileSync(outputPath, data, {
encoding: CLIUtils.encoding
});
}
}