fix(karma): load karma plugins from root package.json

Author: overbalance

packages/instrumentation-long-task/karma.conf.js

@@ -18,6 +18,15 @@ const karmaWebpackConfig = require('../../karma.webpack');
 const karmaBaseConfig = require('../../karma.base');
 
 module.exports = config => {
+  {
+    const plugins = (karmaBaseConfig.plugins = []);
+    const rootPackageJson = require('../../package.json');
+    const toAdd = Object.keys(rootPackageJson.devDependencies || {})
+      .filter(packageName => packageName.startsWith('karma-'))
+      .map(packageName => require(packageName));
+    plugins.push(...toAdd);
+  }
+
   config.set(
     Object.assign({}, karmaBaseConfig, {
       webpack: karmaWebpackConfig,

packages/instrumentation-user-interaction/karma.conf.js

@@ -18,6 +18,15 @@ const karmaWebpackConfig = require('../../karma.webpack');
 const karmaBaseConfig = require('../../karma.base');
 
 module.exports = config => {
+  {
+    const plugins = (karmaBaseConfig.plugins = []);
+    const rootPackageJson = require('../../package.json');
+    const toAdd = Object.keys(rootPackageJson.devDependencies || {})
+      .filter(packageName => packageName.startsWith('karma-'))
+      .map(packageName => require(packageName));
+    plugins.push(...toAdd);
+  }
+
   config.set(
     Object.assign({}, karmaBaseConfig, {
       webpack: karmaWebpackConfig,

packages/propagator-aws-xray/karma.conf.js

@@ -31,7 +31,8 @@ module.exports = config => {
 
   {
     const plugins = (karmaBaseConfig.plugins = []);
-    const toAdd = Object.keys(require('./package.json').devDependencies)
+    const rootPackageJson = require('../../package.json');
+    const toAdd = Object.keys(rootPackageJson.devDependencies || {})
       .filter(packageName => packageName.startsWith('karma-'))
       .map(packageName => require(packageName));
     plugins.push(...toAdd);

packages/propagator-instana/karma.conf.js

@@ -31,7 +31,8 @@ module.exports = config => {
 
   {
     const plugins = (karmaBaseConfig.plugins = []);
-    const toAdd = Object.keys(require('./package.json').devDependencies)
+    const rootPackageJson = require('../../package.json');
+    const toAdd = Object.keys(rootPackageJson.devDependencies || {})
       .filter(packageName => packageName.startsWith('karma-'))
       .map(packageName => require(packageName));
     plugins.push(...toAdd);