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CLIUtils.ts
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119 lines (102 loc) · 2.93 KB
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import * as fs from 'fs';
import * as mkdirp from 'mkdirp';
import * as path from 'path';
import { IPackageConfig } from "../interfaces/IPackageConfig";
import { Utils } from "../Utils";
export class CLIUtils {
/**
* @type {string[]}
*/
private static availableInputExtensions: string[] = [
'.js'
];
/**
* @type {BufferEncoding}
*/
private static encoding: BufferEncoding = 'utf8';
/**
* @param argv
* @returns {string}
*/
public static getInputPath (argv: string[]): string {
let inputPath: string = argv[0];
if (!CLIUtils.isFilePath(inputPath)) {
throw new ReferenceError(`First argument must be a valid file path`);
}
if (!Utils.arrayContains(CLIUtils.availableInputExtensions, path.extname(inputPath))) {
throw new ReferenceError(`Input file must have .js extension`);
}
return inputPath;
}
/**
* @param commands
* @param inputPath
* @returns {string}
*/
public static getOutputCodePath (commands: commander.ICommand, inputPath: string): string {
let outputPath: string = (<any>commands).output;
if (outputPath) {
return outputPath;
}
return inputPath
.split('.')
.map<string>((value: string, index: number) => {
return index === 0 ? `${value}-obfuscated` : value;
})
.join('.');
}
/**
* @returns {string}
*/
public static getOutputSourceMapPath (outputCodePath: string): string {
return outputCodePath
.split('.')
.map<string>((value: string, index: number, array: string[]) => {
return index === array.length - 1 ? `${value}.map` : value;
})
.join('.');
}
/**
* @returns {IPackageConfig}
*/
public static getPackageConfig (): IPackageConfig {
return <IPackageConfig>JSON.parse(
fs.readFileSync(
path.join(
path.dirname(
fs.realpathSync(process.argv[1])
),
'../package.json'
),
CLIUtils.encoding
)
);
}
/**
* @param filePath
*/
public static isFilePath (filePath: string): boolean {
try {
return fs.statSync(filePath).isFile();
} catch (e) {
return false;
}
}
/**
* @param inputPath
* @returns {string}
*/
public static readFile (inputPath: string): string {
return fs.readFileSync(inputPath, CLIUtils.encoding);
}
/**
* @param outputPath
* @param data
*/
public static writeFile (outputPath: string, data: any): void {
mkdirp.sync(path.dirname(outputPath));
fs.writeFileSync(outputPath, data, {
encoding: CLIUtils.encoding
});
}
}