Add support for reportFiles option

Author: ianschmitz

package.json

@@ -52,6 +52,7 @@
     "@types/babel-code-frame": "^6.20.1",
     "@types/chokidar": "^1.7.5",
     "@types/lodash": "^4.14.117",
+    "@types/micromatch": "^3.1.0",
     "@types/minimatch": "^3.0.1",
     "@types/node": "^8.0.26",
     "@types/resolve": "0.0.4",
@@ -88,6 +89,7 @@
     "chalk": "^2.4.1",
     "chokidar": "^2.0.4",
     "lodash": "^4.17.11",
+    "micromatch": "^3.1.10",
     "minimatch": "^3.0.4",
     "resolve": "^1.5.0",
     "tapable": "^1.0.0"

src/index.ts

@@ -3,6 +3,7 @@ import * as process from 'process';
 import * as childProcess from 'child_process';
 import chalk, { Chalk } from 'chalk';
 import * as fs from 'fs';
+import * as micromatch from 'micromatch';
 import * as os from 'os';
 import * as webpack from 'webpack';
 import isString = require('lodash/isString');
@@ -45,6 +46,7 @@ interface Options {
   async: boolean;
   ignoreDiagnostics: number[];
   ignoreLints: string[];
+  reportFiles: string[];
   colors: boolean;
   logger: Logger;
   formatter: 'default' | 'codeframe' | Formatter;
@@ -77,6 +79,7 @@ class ForkTsCheckerWebpackPlugin {
   watch: string[];
   ignoreDiagnostics: number[];
   ignoreLints: string[];
+  reportFiles: string[];
   logger: Logger;
   silent: boolean;
   async: boolean;
@@ -130,6 +133,7 @@ class ForkTsCheckerWebpackPlugin {
       : options.watch || [];
     this.ignoreDiagnostics = options.ignoreDiagnostics || [];
     this.ignoreLints = options.ignoreLints || [];
+    this.reportFiles = options.reportFiles || [];
     this.logger = options.logger || console;
     this.silent = options.silent === true; // default false
     this.async = options.async !== false; // default true
@@ -674,6 +678,26 @@ class ForkTsCheckerWebpackPlugin {
       );
     }
 
+    if (this.reportFiles.length) {
+      const reportFilesPredicate = (diagnostic: NormalizedMessage): boolean => {
+        if (diagnostic.file) {
+          const relativeFileName = path.relative(
+            this.compiler.options.context,
+            diagnostic.file
+          );
+          const matchResult = micromatch([relativeFileName], this.reportFiles);
+
+          if (matchResult.length === 0) {
+            return false;
+          }
+        }
+        return true;
+      };
+
+      this.diagnostics = this.diagnostics.filter(reportFilesPredicate);
+      this.lints = this.lints.filter(reportFilesPredicate);
+    }
+
     if ('hooks' in this.compiler) {
       // webpack 4
       this.compiler.hooks.forkTsCheckerReceive.call(

test/integration/index.spec.js

@@ -61,26 +61,26 @@ describe('[INTEGRATION] index', function() {
   it('should detect paths', function() {
     var plugin = new ForkTsCheckerWebpackPlugin({ tslint: true });
 
-    expect(plugin.tsconfig).to.be.equal('./tsconfig.json');
-    expect(plugin.tslint).to.be.equal('./tslint.json');
+    expect(plugin.tsconfig).to.equal('./tsconfig.json');
+    expect(plugin.tslint).to.equal('./tslint.json');
   });
 
   it('should set logger to console by default', function() {
     var plugin = new ForkTsCheckerWebpackPlugin({});
 
-    expect(plugin.logger).to.be.equal(console);
+    expect(plugin.logger).to.equal(console);
   });
 
   it('should set watch to empty array by default', function() {
     var plugin = new ForkTsCheckerWebpackPlugin({});
 
-    expect(plugin.watch).to.be.deep.equal([]);
+    expect(plugin.watch).to.deep.equal([]);
   });
 
   it('should set watch to one element array for string', function() {
     var plugin = new ForkTsCheckerWebpackPlugin({ watch: '/test' });
 
-    expect(plugin.watch).to.be.deep.equal(['/test']);
+    expect(plugin.watch).to.deep.equal(['/test']);
   });
 
   it('should work without configuration', function(callback) {
@@ -227,8 +227,8 @@ describe('[INTEGRATION] index', function() {
     });
 
     function compareResults() {
-      expect(errorsA).to.be.deep.equal(errorsB);
-      expect(warningsA).to.be.deep.equal(warningsB);
+      expect(errorsA).to.deep.equal(errorsB);
+      expect(warningsA).to.deep.equal(warningsB);
       callback();
     }
   });
@@ -284,7 +284,7 @@ describe('[INTEGRATION] index', function() {
     var compiler = createCompiler({}, true);
 
     compiler.run(function(error, stats) {
-      expect(stats.compilation.errors.length).to.be.equal(1);
+      expect(stats.compilation.errors.length).to.equal(1);
       callback();
     });
   });
@@ -293,7 +293,20 @@ describe('[INTEGRATION] index', function() {
     var compiler = createCompiler({ checkSyntacticErrors: true }, true);
 
     compiler.run(function(error, stats) {
-      expect(stats.compilation.errors.length).to.be.equal(2);
+      expect(stats.compilation.errors.length).to.equal(2);
+      callback();
+    });
+  });
+
+  it('should only show errors matching paths specified in reportFiles when provided', function(callback) {
+    var compiler = createCompiler(
+      { checkSyntacticErrors: true, reportFiles: ['**/index.ts'] },
+      true
+    );
+
+    compiler.run(function(error, stats) {
+      expect(stats.compilation.errors.length).to.equal(1);
+      expect(stats.compilation.errors[0].file.endsWith('index.ts')).to.be.true;
       callback();
     });
   });