Javascript file loader

README.md

@@ -23,6 +23,7 @@ Any type of contributions are welcome.
 
 * json - [.json, .arb (Flutter Internationalization)]
 * yaml - [.yaml, .yml]
+* javascript - [.js]
 
 **Feature requests and/or pull requests with new plugins are welcomed 🙂**
 

main/pluginManager.ts

@@ -54,7 +54,7 @@ export const saveFile = async (parsedFile: ParsedFile): Promise<boolean> => {
     const updatedData = mergeDrop(data, parsedFile.data);
 
 
-    const serializedContent = await plugin.serialize(updatedData);
+    const serializedContent = await plugin.serialize(updatedData, fileContent.toString());
     if (serializedContent === null) {
       return false;
     }

main/plugins/index.ts

@@ -1,15 +1,17 @@
 import * as jsonPlugin from './json';
 import * as yamlPlugin from './yaml';
+import * as javascriptPlugin from './javascript';
 
 export interface IPlugin {
   fileExtensions: string[];
   parse: (content: string) => Promise<any | undefined>;
-  serialize: (data: any) => Promise<string | undefined>;
+  serialize: (data: any, oldFileContent: string) => Promise<string | undefined>;
 }
 
 let plugins: IPlugin[] = [
   jsonPlugin,
   yamlPlugin,
+  javascriptPlugin,
 ];
 
 export const loadPlugins = (additionalPlugins: IPlugin[]) => {

main/plugins/javascript/index.ts

@@ -0,0 +1,24 @@
+export const fileExtensions = ['.js'];
+
+export const parse = (content: string): Promise<any> => {
+  try {
+    content = content.replace(`${getModuleExport(content)} `, '');
+    // replace { msg: "hello" } with { "msg": "hello" }
+    content = content.replace(new RegExp("(\\\"(.*?)\\\"|(\\w+))(\\s*:\\s*(\\\".*?\\\"|.))"), "\"$2$3\"$4");
+    return JSON.parse(content);
+  } catch (e) {
+    return Promise.resolve(undefined);
+  }
+};
+
+export const serialize = async (data: object, oldFileContent: string): Promise<string | undefined> => {
+  try {
+    return `${getModuleExport(oldFileContent)} ${JSON.stringify(data, null, 2)}`;
+  } catch (e) {
+    return undefined;
+  }
+};
+
+const getModuleExport = (content: string) => {
+  return content.startsWith("export default") ? "export default" : "module.exports =";
+};

testData/javascript/en.js

@@ -0,0 +1,5 @@
+export default {
+  "nested": {
+    "content": "EN"
+  }
+}

testData/javascript/es.js

@@ -0,0 +1,5 @@
+module.exports = {
+  "nested": {
+    "content": "ES"
+  }
+}

testData/javascript/fr.js

@@ -0,0 +1,5 @@
+export default {
+  "nested": {
+    "content": "FR"
+  }
+}