Initial commit of 001code-html Scratch frontend project.

Includes scratch-gui, scratch-vm, scratch-blocks, scratch-render, scratch-l10n, and deployment config.

Co-authored-by: Cursor <cursoragent@cursor.com>

scratch-blocks/i18n/test_scratch_msgs.js

@@ -0,0 +1,87 @@
+const es = require('event-stream');
+const fs = require('fs');
+const path = require('path');
+const assert = require('assert');
+
+// current locale and keys for the locale
+let locale = '';
+let keys = [];
+
+// current English keys
+let en = fs.readFileSync(path.resolve(__dirname, '../msg/json/en.json'));
+en = JSON.parse(en);
+const enKeys = Object.keys(en);
+
+// File paths
+const PATH_INPUT = path.resolve(__dirname, '../msg/scratch_msgs.js');
+
+// Match lines of the scratch_msgs file
+// Blockly.ScratchMsgs.locales indicates the start of a new locale
+// ": " marks a "key": "value" pair
+// Also match the end of the generated file so the last set of keys can be checked
+const match = function (str) {
+    if (str.indexOf('Blockly.ScratchMsgs.locales') !== 0) return true;
+    if (str.indexOf('": "') !== 0) return true;
+    if (str.indexOf('End of combined translations') !== 0) return true;
+    return false;
+}
+
+// Extract key and value from message definition, or locale when it changes
+const extract = function (str) {
+    let m = str.match(/locales\["(.+)"\]/);
+    if (m) {
+      // locale changed
+      return m[1];
+    }
+    m = str.match(/"(.*)": "(.*)",?$/);
+    if (m) {
+      return {
+        key: m[1],
+        value: m[2]
+      }
+    }
+    // return a string for the end of the file so that validate will check the last set of keys
+    m = str.match(/^\/\/ End of combined translations$/);
+    if (m) return 'last';
+    return null;
+};
+
+const validateKeys = function () {
+    // ignore empty keys first time through
+    if (keys.length === 0) return;
+    assert.strictEqual(keys.length, Object.keys(en).length, `scratch_msgs-${locale}: number of keys doesn't match`);
+    keys.map(item => assert(enKeys.includes(item), `scratch_msgs-${locale}: has key ${item} not in en`));
+    enKeys.map(item => assert(keys.includes(item), `scratch_msgs-${locale}: is missing key ${item}`));
+}
+
+// Stream input and push each match to the storage object
+const stream = fs.createReadStream(PATH_INPUT);
+stream
+    .pipe(es.split('\n'))
+    .pipe(es.mapSync(function (str) {
+        if (!match(str)) return;
+        const result = extract(str);
+        if (!result) return;
+        if (typeof result === 'string') {
+          // locale changed or end of file, validate the current collection of keys
+          try {
+              validateKeys();
+          }
+          catch (err) {
+            console.error('Key validation FAILED: %O', err);
+            process.exit(1);
+          }
+          // change locale, and reset keys array
+          locale = result;
+          keys = [];
+        } else {
+          keys.push(result.key);
+        }
+    }))
+    .pipe(es.wait(function (err) {
+        if (err) {
+          console.err(err);
+          process.exit(1);
+        }
+        process.exit(0)
+    }));