feat: add detect clones and statistic api

examples/api/example-detectClonesAndStatistic.ts

@@ -0,0 +1,11 @@
+import {detectClonesAndStatistic} from "jscpd";
+
+(async () => {
+  const data = await detectClonesAndStatistic({
+    path: [
+      __dirname + '/../fixtures'
+    ],
+    silent: true
+  });
+  console.log(data);
+})()

packages/jscpd/__tests__/options.test.ts

@@ -1,7 +1,7 @@
 import {expect} from 'chai';
 import {isAbsolute} from 'path';
 import {IClone} from '@jscpd/core';
-import {jscpd, detectClones} from '../src';
+import {jscpd, detectClones, detectClonesAndStatistic} from '../src';
 import {bold, yellow} from 'colors/safe';
 import sinon = require('sinon');
 
@@ -146,6 +146,17 @@ describe('jscpd options', () => {
       _log(log.firstCall);
       expect(log.callCount).to.equal(0);
     });
+
+    it('should not print information about clones and statistic', async () => {
+      // console.log = _log;
+      await detectClonesAndStatistic({
+        silent: true,
+        pattern: fileWithClones,
+      });
+      const log = (console.log as any);
+      _log(log.firstCall);
+      expect(log.callCount).to.equal(0);
+    });
   });
 
   describe('Not Supported Format', () => {

packages/jscpd/src/index.ts

@@ -1,4 +1,4 @@
-import { getDefaultOptions, IClone, IOptions, IStore, Statistic } from '@jscpd/core';
+import { getDefaultOptions, IClone, IOptions, IStore, Statistic, IStatistic } from '@jscpd/core';
 import { grey, italic } from 'colors/safe';
 import { EntryWithContent, getFilesToDetect, InFilesDetector } from '@jscpd/finder';
 import { initCli, initOptionsFromCli } from './init';
@@ -12,7 +12,7 @@ import { registerHooks } from './init/hooks';
 
 const TIMER_LABEL = 'Detection time:';
 
-export const detectClones = (opts: IOptions, store: IStore<IMapFrame> | undefined = undefined): Promise<IClone[]> => {
+export const detectClones = (opts: IOptions, store: IStore<IMapFrame> | undefined = undefined, statisticInstance: Statistic | undefined = undefined): Promise<IClone[]> => {
   const options: Partial<IOptions> = {...getDefaultOptions(), ...opts};
   options.format = options.format || getSupportedFormats();
 
@@ -22,7 +22,7 @@ export const detectClones = (opts: IOptions, store: IStore<IMapFrame> | undefine
   }
   options.hashFunction = options.hashFunction || hashFunction;
   const currentStore: IStore<IMapFrame> = store || getStore(options.store);
-  const statistic = new Statistic();
+  const statistic = statisticInstance || new Statistic();
   const tokenizer = new Tokenizer();
   const detector = new InFilesDetector(tokenizer, currentStore, statistic, options);
 
@@ -41,6 +41,13 @@ export const detectClones = (opts: IOptions, store: IStore<IMapFrame> | undefine
   });
 }
 
+export const detectClonesAndStatistic = (opts: IOptions, store: IStore<IMapFrame> | undefined = undefined): Promise<{clones: IClone[], statisticData: IStatistic}> => {
+  const statistic =  new Statistic();
+  return detectClones(opts, store, statistic).then((clones: IClone[]) => {
+    return {clones, statisticData: statistic.getStatistic()};
+  });
+}
+
 export async function jscpd(argv: string[], exitCallback?: (code: number) => {}) {
   const packageJson = require(__dirname + '/../package.json');