Code coverage report for src/cli/CLIUtils.ts

# All files / src/cli CLIUtils.ts

93.1% Statements 27/29
83.33% Branches 15/18
100% Functions 1/1
93.1% Lines 27/29

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     import * as fs from 'fs';
    import * as mkdirp from 'mkdirp';
    import * as path from 'path';

    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 outputPath
         * @param inputPath
         * @returns {string}
         */
        public static getOutputCodePath (outputPath: string, inputPath: string): string {
            if (outputPath) {
                return outputPath;
            }

            return inputPath
                .split('.')
                .map<string>((value: string, index: number) => {
                    return index === 0 ? `${value}-obfuscated` : value;
                })
                .join('.');
        }

        /**
         * @param outputCodePath
         * @param sourceMapFileName
         * @returns {string}
         */
        public static getOutputSourceMapPath (outputCodePath: string, sourceMapFileName: string = ''): string {
            if (sourceMapFileName) {
                outputCodePath = `${outputCodePath.substring(
                    0, outputCodePath.lastIndexOf('/')
                )}/${sourceMapFileName}`;
            }

            Eif (!/\.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 <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 inputPath
         */
        public static validateInputPath (inputPath: string): void {
            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`);
            }
        }

        /**
         * @param outputPath
         * @param data
         */
        public static writeFile (outputPath: string, data: any): void {
            mkdirp.sync(path.dirname(outputPath));

            fs.writeFileSync(outputPath, data, {
                encoding: CLIUtils.encoding
            });
        }
    }