chore: resurrect translation reporter

This restores the translation reporter that allows us to extract
translations from the library, as we test it.

package.json

@@ -8,6 +8,7 @@
     "dev": "npm test -- --auto-watch --no-single-run",
     "test": "karma start test/config/karma.unit.js",
     "distro": "node tasks/build-distro.js",
+    "collect-translations": "COLLECT_TRANSLATIONS=1 npm test",
     "test:distro": "node tasks/test-distro.js",
     "preversion": "run-s distro test:distro"
   },

test/config/karma.unit.js

@@ -2,6 +2,8 @@
 
 var path = require('path');
 
+var collectTranslations = process.env.COLLECT_TRANSLATIONS;
+
 var coverage = process.env.COVERAGE;
 
 // configures browsers to run test against
@@ -19,7 +21,8 @@ var suite = coverage ? 'test/coverageBundle.js' : 'test/testBundle.js';
 
 
 module.exports = function(karma) {
-  karma.set({
+
+  var config = {
 
     basePath,
 
@@ -86,5 +89,16 @@ module.exports = function(karma) {
       },
       devtool: 'eval-source-map'
     }
-  });
+  };
+
+  if (collectTranslations) {
+    config.plugins = [].concat(config.plugins || [], 'karma-*', require('./translation-reporter'));
+    config.reporters = [].concat(config.reporters || [], 'translation-reporter');
+
+    config.envPreprocessor = [
+      'TRANSLATIONS'
+    ];
+  }
+
+  karma.set(config);
 };

test/config/translation-reporter.js

@@ -10,7 +10,7 @@ var {
 function TranslationReporter() {
   process.env.TRANSLATIONS = 'enabled';
 
-  var outputFile = path.join(__dirname, '../../docs/translations.json');
+  var translationsFile = path.join(__dirname, '../../docs/translations.json');
 
   var translations = [];
 
@@ -41,7 +41,7 @@ function TranslationReporter() {
     translations = uniqueBy(function(e) { return e; }, translations);
     translations = sortBy(translations, function(e) { return e; });
 
-    fs.writeFileSync(outputFile, JSON.stringify(translations, null, 2));
+    fs.writeFileSync(translationsFile, JSON.stringify(translations, null, 2));
   };
 }
 

test/helper/index.js

@@ -39,12 +39,22 @@ import {
 import TestContainer from 'mocha-test-container-support';
 
 import Modeler from '../../lib/Modeler';
+import NavigatedViewer from '../../lib/NavigatedViewer';
 import Viewer from '../../lib/Viewer';
 
 var OPTIONS, BPMN_JS;
 
 import translationModule from './TranslationCollector';
 
+export var collectTranslations = window.__env__ && window.__env__.TRANSLATIONS === 'enabled';
+
+// inject logging translation module into default modules
+if (collectTranslations) {
+
+  [ Modeler, Viewer, NavigatedViewer ].forEach(function(constructor) {
+    constructor.prototype._modules.push(translationModule);
+  });
+}
 
 export function bootstrapBpmnJS(BpmnJS, diagram, options, locals) {
 
@@ -105,7 +115,7 @@ export function bootstrapBpmnJS(BpmnJS, diagram, options, locals) {
     }
 
     // used to extract translations used during tests
-    if (window.__env__ && window.__env__.TRANSLATIONS === 'enabled') {
+    if (collectTranslations) {
       _options.additionalModules = [].concat(
         _options.additionalModules || [],
         [ translationModule ]

test/spec/ModelerSpec.js

@@ -10,7 +10,8 @@ import {
 
 import {
   setBpmnJS,
-  clearBpmnJS
+  clearBpmnJS,
+  collectTranslations
 } from 'test/TestHelper';
 
 
@@ -156,7 +157,7 @@ describe('Modeler', function() {
   });
 
 
-  describe('translate support', function() {
+  !collectTranslations && describe('translate support', function() {
 
     var xml = require('../fixtures/bpmn/simple.bpmn');