Open src/index.js by default for parcel

Author: Ives van Hoorne

packages/app/src/app/store/actions.js

@@ -3,7 +3,7 @@ import axios from 'axios';
 import { generateFileFromSandbox } from 'common/templates/configuration/package-json';
 
 import { parseConfigurations } from './utils/parse-configurations';
-import { mainModule } from './utils/main-module';
+import { mainModule, defaultOpenedModule } from './utils/main-module';
 
 export function getSandbox({ props, api, path }) {
   return api
@@ -124,7 +124,7 @@ export function setCurrentModuleShortid({ props, state }) {
     sandbox.modules.map(m => m.shortid).indexOf(currentModuleShortid) === -1
   ) {
     const parsedConfigs = parseConfigurations(sandbox);
-    const module = mainModule(sandbox, parsedConfigs);
+    const module = defaultOpenedModule(sandbox, parsedConfigs);
 
     state.set('editor.currentModuleShortid', module.shortid);
   }

packages/app/src/app/store/utils/main-module.js

@@ -16,3 +16,19 @@ export function mainModule(sandbox: Sandbox, parsedConfigurations: Object) {
 
   return module || sandbox.modules[0];
 }
+
+export function defaultOpenedModule(
+  sandbox: Sandbox,
+  parsedConfigurations: Object
+) {
+  const templateDefinition = getDefinition(sandbox.template);
+
+  const resolve = resolveModuleWrapped(sandbox);
+
+  const module = templateDefinition
+    .getDefaultOpenedFiles(parsedConfigurations)
+    .map(p => resolve(p))
+    .find(m => m);
+
+  return module || sandbox.modules[0];
+}

packages/common/templates/parcel.js

@@ -1,11 +1,10 @@
 // @flow
+import { absolute } from 'common/utils/path';
 
 import Template from './template';
 import { decorateSelector } from '../theme';
 import configurations from './configuration';
 
-import { absolute } from 'common/utils/path';
-
 class ParcelTemplate extends Template {
   getEntries(configurationFiles: { [type: string]: Object }) {
     const entries = [];
@@ -28,6 +27,19 @@ class ParcelTemplate extends Template {
 
     return entries.filter(Boolean);
   }
+
+  /**
+   * The file to open by the editor
+   */
+  getDefaultOpenedFiles(configFiles) {
+    const entries = [];
+
+    entries.push('/index.js');
+    entries.push('/src/index.js');
+    entries.concat(this.getEntries(configFiles));
+
+    return entries;
+  }
 }
 
 export default new ParcelTemplate(

packages/common/templates/template.js

@@ -82,6 +82,15 @@ export default class Template {
     ].filter(x => x);
   }
 
+  /**
+   * Files to be opened by default by the editor when opening the editor
+   */
+  getDefaultOpenedFiles(configurationFiles: {
+    [type: string]: Object,
+  }): Array<string> {
+    return this.getEntries(configurationFiles);
+  }
+
   // eslint-disable-next-line no-unused-vars
   getHTMLEntries(configurationFiles: {
     [type: string]: Object,