* (bluefox) Added search for i18n keys in the code

README.md

@@ -11,6 +11,9 @@ See here: https://github.com/ioBroker/ioBroker.vis-widgets-react-template
 -->
 
 ## Changelog
+### **WORK IN PROGRESS**
+* (bluefox) Added search for i18n keys in the code
+
 ### 0.1.7 (2022-07-22)
 * (bluefox) Added `modulefederation` and `craco` config files
 

searchI18n.js

@@ -0,0 +1,68 @@
+let name;
+try {
+    name = require('../../../../package.json').name.replace(/-/g, '_').replace(/^iobroker\./g, '');
+} catch (e) {
+    if (process.argv[2]) {
+        name = process.argv[2];
+    }
+}
+
+const dir = require('node-dir');
+// Extend Acorn parser with JSX
+const acorn = require('acorn');
+const jsx = require('acorn-jsx');
+const parser = acorn.Parser.extend(jsx());
+
+// Extend Acorn walk with JSX
+const walk = require('acorn-walk');
+const { extend } = require('acorn-jsx-walk');
+extend(walk.base);
+
+const keys = [];
+
+dir.readFiles(process.argv[3] || __dirname + '/../../../src',
+    {
+        match: /\.jsx?$/,
+    },
+    (err, content, next) => {
+        const result = parser.parse(content, {
+            sourceType: 'module',
+            ecmaVersion: 'latest'
+        });
+
+        walk.full(result, node => {
+            if (node.type === 'CallExpression' && node.callee.property?.type === 'Identifier' && node.callee.property?.name === 't') {
+                if (node.arguments.length === 1 && node.arguments[0].type === 'Literal' && typeof node.arguments[0].value === 'string') {
+                    // This is for the case `t` is called with a single string
+                    // literal as argument.
+                    if (!keys.includes(node.arguments[0].value)) {
+                        keys.push(node.arguments[0].value);
+                    }
+                } else {
+                    // In case you have things like template literals as well,
+                    // or multiple arguments, you'd need to handle them here too.
+                    console.log(`Cannot calculate: "${content.slice(node.arguments[0].start, node.arguments[0].end)}"`);
+                }
+            }
+            if (node.type === 'Property' && node.key.name === 'visAttrs') {
+                const visAttrs = parser.parse(content.slice(node.value.start, node.value.end), {
+                    sourceType: 'module',
+                    ecmaVersion: 'latest'
+                });
+                walk.full(visAttrs, attrNode => {
+                    if (attrNode.type === 'Property' && attrNode.key.name === 'label') {
+                        if (!keys.includes(attrNode.value.value)) {
+                            keys.push(attrNode.value.value);
+                        }
+                    }
+                });
+            }
+        });
+        next();
+    },
+    () => {
+        const result = {}
+        keys.forEach(key => result[key] = key.replace(name + '_', ''));
+        console.log(JSON.stringify(result, null, 2));
+    },
+);