feat(reporter): add statistic reporter

add statistic about clones and analyzed sources

src/reporters/statistic.ts

@@ -0,0 +1,46 @@
+import { bold, green, red } from 'colors/safe';
+import { relative } from 'path';
+import { Events } from '../events';
+import { IClone } from '../interfaces/clone.interface';
+import { IOptions } from '../interfaces/options.interface';
+import { IReporter } from '../interfaces/reporter.interface';
+import { IToken } from '../interfaces/token/token.interface';
+import { StoresManager } from '../stores/stores-manager';
+
+export class ConsoleReporter implements IReporter {
+  constructor(private options: IOptions) {}
+
+  public attach(): void {
+    Events.on('clone', this.cloneFound.bind(this));
+  }
+
+  private cloneFound(clone: IClone) {
+    const { duplicationA, duplicationB, format } = clone;
+    console.log(
+      'Clone found (' + format + '):' + (clone.is_new ? red('*') : '')
+    );
+    console.log(
+      ` - ${getPath(
+        this.options,
+        StoresManager.get('source').get(duplicationA.sourceId).id
+      )} [${getSourceLocation(duplicationA.start, duplicationA.end)}]`
+    );
+    console.log(
+      `   ${getPath(
+        this.options,
+        StoresManager.get('source').get(duplicationB.sourceId).id
+      )} [${getSourceLocation(duplicationB.start, duplicationB.end)}]`
+    );
+    console.log('');
+  }
+}
+
+function getPath(options: IOptions, path: string): string {
+  return bold(green(relative(options.path, path)));
+}
+
+function getSourceLocation(start: IToken, end: IToken): string {
+  return `${start.loc.start.line}:${start.loc.start.column} - ${
+    end.loc.start.line
+  }:${end.loc.start.column}`;
+}