Report diagnostics only on certain files [WIP]

README.md

@@ -245,6 +245,10 @@ messages are emitted via webpack which is not affected by this flag.
 You can squelch certain TypeScript errors by specifying an array of diagnostic
 codes to ignore.
 
+#### reportFiles *(string[]) (default=[])*
+
+Only report errors on files matching these glob patterns.
+
 #### compiler *(string) (default='typescript')*
 
 Allows use of TypeScript compilers other than the official one. Should be

package.json

@@ -39,9 +39,11 @@
     "chalk": "^2.3.0",
     "enhanced-resolve": "^3.0.0",
     "loader-utils": "^1.0.2",
+    "micromatch": "^3.1.4",
     "semver": "^5.0.1"
   },
   "devDependencies": {
+    "@types/micromatch": "^3.1.0",
     "@types/semver": "^5.4.0",
     "babel": "^6.0.0",
     "babel-core": "^6.0.0",

src/after-compile.ts

@@ -66,7 +66,8 @@ function provideCompilerOptionDiagnosticErrorsToWebpack(
             formatErrors(
                 languageService!.getCompilerOptionsDiagnostics(),
                 loaderOptions, instance.colors, compiler,
-                { file: configFilePath || 'tsconfig.json' }));
+                { file: configFilePath || 'tsconfig.json' },
+                compilation.compiler.context));
     }
 }
 
@@ -152,13 +153,17 @@ function provideErrorsToWebpack(
                     removeTSLoaderErrors(module.errors);
 
                     // append errors
-                    const formattedErrors = formatErrors(errors, loaderOptions, instance.colors, compiler, { module });
+                    const formattedErrors = formatErrors(errors, loaderOptions,
+                        instance.colors, compiler, { module },
+                        compilation.compiler.context);
                     registerWebpackErrors(module.errors, formattedErrors);
                     registerWebpackErrors(compilation.errors, formattedErrors);
                 });
             } else {
                 // otherwise it's a more generic error
-                registerWebpackErrors(compilation.errors, formatErrors(errors, loaderOptions, instance.colors, compiler, { file: filePath }));
+                registerWebpackErrors(compilation.errors, formatErrors(errors,
+                    loaderOptions, instance.colors, compiler, { file: filePath },
+                    compilation.compiler.context));
             }
         });
 }

src/config.ts

@@ -40,7 +40,8 @@ export function getConfigFile(
         );
 
         if (configFile.error !== undefined) {
-            configFileError = formatErrors([configFile.error], loaderOptions, colors, compiler, { file: configFilePath })[0];
+            configFileError = formatErrors([configFile.error], loaderOptions,
+                colors, compiler, { file: configFilePath }, loader.context)[0];
         }
     } else {
         if (compilerCompatible) { log.logInfo(compilerDetailsLogMessage); }

src/index.ts

@@ -110,7 +110,7 @@ function getLoaderOptions(loader: Webpack) {
 }
 
 type ValidLoaderOptions = keyof LoaderOptions;
-const validLoaderOptions: ValidLoaderOptions[] = ['silent', 'logLevel', 'logInfoToStdOut', 'instance', 'compiler', 'contextAsConfigBasePath', 'configFile', 'transpileOnly', 'ignoreDiagnostics', 'errorFormatter', 'colors', 'compilerOptions', 'appendTsSuffixTo', 'appendTsxSuffixTo', 'entryFileCannotBeJs' /* DEPRECATED */, 'onlyCompileBundledFiles', 'happyPackMode', 'getCustomTransformers'];
+const validLoaderOptions: ValidLoaderOptions[] = ['silent', 'logLevel', 'logInfoToStdOut', 'instance', 'compiler', 'contextAsConfigBasePath', 'configFile', 'transpileOnly', 'ignoreDiagnostics', 'errorFormatter', 'colors', 'compilerOptions', 'appendTsSuffixTo', 'appendTsxSuffixTo', 'entryFileCannotBeJs' /* DEPRECATED */, 'onlyCompileBundledFiles', 'happyPackMode', 'getCustomTransformers', 'reportFiles'];
 
 /**
  * Validate the supplied loader options.
@@ -148,7 +148,8 @@ function makeLoaderOptions(instanceName: string, configFileOptions: Partial<Load
         entryFileCannotBeJs: false,
         happyPackMode: false,
         colors: true,
-        onlyCompileBundledFiles: false
+        onlyCompileBundledFiles: false,
+        reportFiles: []
     } as Partial<LoaderOptions>, configFileOptions, loaderOptions);
 
     options.ignoreDiagnostics = arrify(options.ignoreDiagnostics).map(Number);
@@ -248,7 +249,9 @@ function getTranspilationEmit(
     if (!instance.loaderOptions.happyPackMode) {
         registerWebpackErrors(
             loader._module.errors,
-            formatErrors(diagnostics, instance.loaderOptions, instance.colors, instance.compiler, { module: loader._module })
+            formatErrors(diagnostics, instance.loaderOptions, instance.colors,
+                instance.compiler, { module: loader._module },
+                loader.context)
         );
     }
 

src/instances.ts

@@ -78,7 +78,8 @@ function successfulTypeScriptInstance(
     const configParseResult = getConfigParseResult(compiler, configFile, basePath);
 
     if (configParseResult.errors.length > 0 && !loaderOptions.happyPackMode) {
-        const errors = formatErrors(configParseResult.errors, loaderOptions, colors, compiler, { file: configFilePath });
+        const errors = formatErrors(configParseResult.errors, loaderOptions, colors,
+            compiler, { file: configFilePath }, loader.context);
 
         registerWebpackErrors(loader._module.errors, errors);
 
@@ -100,7 +101,8 @@ function successfulTypeScriptInstance(
         if (!loaderOptions.happyPackMode) {
             registerWebpackErrors(
                 loader._module.errors,
-                formatErrors(diagnostics, loaderOptions, colors, compiler!, {file: configFilePath || 'tsconfig.json'}));
+                formatErrors(diagnostics, loaderOptions, colors, compiler!,
+                    {file: configFilePath || 'tsconfig.json'}, loader.context));
         }
 
         const instance = { 

src/interfaces.ts

@@ -269,6 +269,7 @@ export interface LoaderOptions {
     contextAsConfigBasePath: boolean;
     transpileOnly: boolean;
     ignoreDiagnostics: number[];
+    reportFiles: string[];
     errorFormatter: (message: ErrorInfo, colors: Chalk) => string;
     onlyCompileBundledFiles: boolean;
     colors: boolean;

src/utils.ts

@@ -2,6 +2,7 @@ import * as typescript from 'typescript';
 import * as path from 'path';
 import * as fs from 'fs';
 import { Chalk } from 'chalk';
+import * as micromatch from 'micromatch';
 
 import constants = require('./constants');
 import {
@@ -49,12 +50,28 @@ export function formatErrors(
     loaderOptions: LoaderOptions,
     colors: Chalk,
     compiler: typeof typescript,
-    merge?: { file?: string; module?: WebpackModule }
+    merge: { file?: string; module?: WebpackModule },
+    context: string
 ): WebpackError[] {
 
     return diagnostics
         ? diagnostics
-            .filter(diagnostic => loaderOptions.ignoreDiagnostics.indexOf(diagnostic.code) === -1)
+            .filter(diagnostic => {
+
+                if (loaderOptions.ignoreDiagnostics.indexOf(diagnostic.code) !== -1) {
+                    return false;
+                }
+
+                if (loaderOptions.reportFiles.length > 0 && diagnostic.file) {
+                    const relativeFileName = path.relative(context, diagnostic.file.fileName);
+                    const matchResult = micromatch([relativeFileName], loaderOptions.reportFiles);
+                    if (matchResult.length === 0) {
+                        return false;
+                    }
+                }
+
+                return true;
+            })
             .map<WebpackError>(diagnostic => {
                 const file = diagnostic.file;
                 const position = file === undefined ? undefined : file.getLineAndCharacterOfPosition(diagnostic.start!);

test/comparison-tests/reportFiles/app.ts

@@ -0,0 +1,3 @@
+import './skip';
+export let a: number
+a = '10'

test/comparison-tests/reportFiles/expectedOutput-2.6/bundle.js

@@ -0,0 +1,88 @@
+/******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __webpack_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__webpack_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__webpack_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__webpack_require__.d = function(exports, name, getter) {
+/******/ 		if(!__webpack_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, {
+/******/ 				configurable: false,
+/******/ 				enumerable: true,
+/******/ 				get: getter
+/******/ 			});
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__webpack_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__webpack_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__webpack_require__.p = "";
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __webpack_require__(__webpack_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+exports.__esModule = true;
+__webpack_require__(1);
+exports.a = '10';
+
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __webpack_require__) {
+
+"use strict";
+
+exports.__esModule = true;
+exports.a = '10';
+
+
+/***/ })
+/******/ ]);

test/comparison-tests/reportFiles/expectedOutput-2.6/output.transpiled.txt

@@ -0,0 +1,4 @@
+    Asset     Size  Chunks             Chunk Names
+bundle.js  2.71 kB       0  [emitted]  main
+   [0] ./.test/reportFiles/app.ts 78 bytes {0} [built]
+   [1] ./.test/reportFiles/skip.ts 59 bytes {0} [built]

test/comparison-tests/reportFiles/expectedOutput-2.6/output.txt

@@ -0,0 +1,8 @@
+    Asset     Size  Chunks             Chunk Names
+bundle.js  2.71 kB       0  [emitted]  main
+   [0] ./.test/reportFiles/app.ts 78 bytes {0} [built] [1 error]
+   [1] ./.test/reportFiles/skip.ts 59 bytes {0} [built]
+
+ERROR in ./.test/reportFiles/app.ts
+[tsl] ERROR in app.ts(3,1)
+      TS2322: Type '"10"' is not assignable to type 'number'.

test/comparison-tests/reportFiles/skip.ts

@@ -0,0 +1,2 @@
+export let a: number
+a = '10'

test/comparison-tests/reportFiles/tsconfig.json

@@ -0,0 +1,4 @@
+{
+	"compilerOptions": {
+	}
+}

test/comparison-tests/reportFiles/webpack.config.js

@@ -0,0 +1,18 @@
+module.exports = {
+    entry: './app.ts',
+    output: {
+        filename: 'bundle.js'
+    },
+    resolve: {
+        extensions: ['.ts', 'tsx', '.js']
+    },
+    module: {
+        rules: [
+            { 
+                test: /\.tsx?$/, loader: 'ts-loader', options: {
+                    reportFiles: [ '**/*.ts', '!skip.ts' ]
+                }
+            }
+        ]
+    }
+}