fix(workers): generate context in worker threads

Author: danbucholtz

src/cleancss.ts

@@ -1,7 +1,7 @@
 import { join } from 'path';
 import { BuildContext, TaskInfo } from './util/interfaces';
 import { BuildError } from './util/errors';
-import { fillConfigDefaults, getUserConfigFile } from './util/config';
+import { fillConfigDefaults, generateContext, getUserConfigFile } from './util/config';
 import { Logger } from './logger/logger';
 import { readFileAsync, writeFileAsync } from './util/helpers';
 import { runWorker } from './worker-client';
@@ -25,6 +25,7 @@ export function cleancss(context: BuildContext, configFile?: string) {
 
 export function cleancssWorker(context: BuildContext, configFile: string): Promise<any> {
   return new Promise((resolve, reject) => {
+    context = generateContext(context);
     const cleanCssConfig: CleanCssConfig = fillConfigDefaults(configFile, taskInfo.defaultConfigFile);
     const srcFile = join(context.buildDir, cleanCssConfig.sourceFileName);
     const destFile = join(context.buildDir, cleanCssConfig.destFileName);

src/closure.ts

@@ -1,6 +1,6 @@
 import { execSync } from 'child_process';
 import { BuildContext, TaskInfo } from './util/interfaces';
-import { fillConfigDefaults, getUserConfigFile } from './util/config';
+import { fillConfigDefaults, generateContext, getUserConfigFile } from './util/config';
 import { Logger } from './logger/logger';
 import { runWorker } from './worker-client';
 
@@ -20,6 +20,7 @@ export function closure(context: BuildContext, configFile?: string) {
 
 export function closureWorker(context: BuildContext, configFile: string): Promise<any> {
   return new Promise((resolve, reject) => {
+    context = generateContext(context);
     Logger.warn('Closer Compiler unsupported at this time.');
     resolve();
   });

src/uglifyjs.ts

@@ -1,6 +1,6 @@
 import { BuildContext, TaskInfo } from './util/interfaces';
 import { BuildError } from './util/errors';
-import { fillConfigDefaults, getUserConfigFile } from './util/config';
+import { fillConfigDefaults, generateContext, getUserConfigFile } from './util/config';
 import { join } from 'path';
 import { Logger } from './logger/logger';
 import { runWorker } from './worker-client';
@@ -27,6 +27,7 @@ export function uglifyjsWorker(context: BuildContext, configFile: string): Promi
   return new Promise((resolve, reject) => {
     try {
       // provide a full path for the config options
+      context = generateContext(context);
       const uglifyJsConfig: UglifyJsConfig = fillConfigDefaults(configFile, taskInfo.defaultConfigFile);
       uglifyJsConfig.sourceFile = join(context.buildDir, uglifyJsConfig.sourceFile);
       uglifyJsConfig.inSourceMap = join(context.buildDir, uglifyJsConfig.inSourceMap);