feat(options): add ability set formats extensions

Author: Andrii Kucherenko

src/cli.ts

@@ -17,7 +17,7 @@ cli.option(
   'min size of duplication in code lines (Default is 5)'
 );
 cli.option(
-  '-t, --thresh' + 'old [number]',
+  '-t, --threshold [number]',
   'threshold for duplication, in case duplications >= threshold jscpd will exit with error'
 );
 cli.option(
@@ -49,8 +49,12 @@ cli.option(
   '-s, --silent',
   'Do not write detection progress and result to a console'
 );
+cli.option(
+  '--formats-exts [string]',
+  'list of formats with file extensions (javascript:es,es6;dart:dt)'
+);
 cli.option('-n, --no-cache', 'Do not cache results');
-cli.option('--xsl-href', '(Deprecated) Path to xsl file');
+cli.option('--xsl-href [string]', '(Deprecated) Path to xsl file');
 cli.option('-p, --path', '(Deprecated) Path to repo');
 cli.option(
   '-d, --debug',

src/formats/index.ts

@@ -5,9 +5,10 @@ export function getSupportedFormats(): string[] {
   return Object.keys(FORMATS);
 }
 
-export function getFormatByFile(path: string): string | undefined {
+export function getFormatByFile(path: string, formatsExts?: { [key: string]: string[] }): string | undefined {
   const ext: string = extname(path).slice(1);
-  return Object.keys(FORMATS).find(language =>
-    FORMATS[language].exts.includes(ext)
-  );
+  if (formatsExts && Object.keys(formatsExts).length) {
+    return Object.keys(formatsExts).find(format => formatsExts[format].includes(ext));
+  }
+  return Object.keys(FORMATS).find(language => FORMATS[language].exts.includes(ext));
 }

src/interfaces/options.interface.ts

@@ -7,6 +7,7 @@ export interface IOptions {
   minTokens: number;
   threshold?: number;
   xslHref?: string;
+  formatsExts?: {[key: string]: string[]}
   output: string;
   path: string;
   mode: string | ((token: IToken) => boolean);

src/jscpd.ts

@@ -39,7 +39,7 @@ export class JSCPD {
       });
 
       glob.on('match', path => {
-        const format: string = getFormatByFile(path) as string;
+        const format: string = getFormatByFile(path, this.options.formatsExts) as string;
         if (
           format &&
           this.options.format &&

src/utils/index.ts

@@ -31,6 +31,7 @@ export function prepareOptions(cli: Command): IOptions {
     output: cli.output,
     xslHref: cli.xslHref,
     format: cli.format,
+    formatsExts: parseFormatsExtensions(cli.formatsExts),
     list: cli.list,
     threshold: cli.threshold,
     mode: cli.mode
@@ -86,18 +87,29 @@ export function prepareOptions(cli: Command): IOptions {
   return result;
 }
 
+function parseFormatsExtensions(extensions: string): {[key: string]: string[]} {
+  const result: {[key: string]: string[]} = {};
+  extensions.split(';').forEach((format: string) => {
+    const pair = format.split(':');
+    result[pair[0]] = pair[1].split(',');
+  });
+  return result
+}
+
+
 export function getDefaultOptions(): IOptions {
   return {
     executionId: new Date().toISOString(),
     path: process.cwd(),
     minLines: 5,
     minTokens: 50,
     output: './report',
-    reporter: ['console'],
+    reporter: ['stat', 'console', 'time'],
     ignore: [],
     mode: 'mild',
     threshold: 0,
     format: [...getSupportedFormats()],
+    formatsExts: {},
     debug: false,
     silent: false,
     blame: false,