WorldLanguages · Jan 10, 2021 · Jan 12, 2021 · Jan 12, 2021 · Jan 13, 2021 · Jan 13, 2021
diff --git a/.prettierignore b/.prettierignore
@@ -0,0 +1,10 @@
+libraries/*
+*.md
+
+addon/*
+images/*
+inject/l10n.js
+l10n/*
+_locales/*
+
+.github/workflows/*
diff --git a/.prettierrc.json b/.prettierrc.json
@@ -0,0 +1,4 @@
+{
+  "printWidth": 120,
+  "endOfLine": "lf"
+}
diff --git a/LICENSE b/LICENSE
diff --git a/_locales/en/messages.json b/_locales/en/messages.json
@@ -0,0 +1,8 @@
+{
+    "extensionName": {
+        "message": "Scratch 3 Developer Tools"
+    },
+    "extensionDescription": {
+        "message": "Scratch 3 Developer Tools to enhance your Scratch Editing Experience on https://scratch.mit.edu"
+    }
+}
diff --git a/addon/BlockInstance.js b/addon/BlockInstance.js
@@ -0,0 +1,9 @@
+/**
+ * Encapsulates a block (either in this sprite or another / Blockly, or native JSON block
+ */
+export default class BlockInstance {
+  constructor(target, block) {
+    this.targetId = target.id;
+    this.id = block.id;
+  }
+}
diff --git a/addon/BlockItem.js b/addon/BlockItem.js
@@ -0,0 +1,34 @@
+export default class BlockItem {
+  constructor(cls, procCode, labelID, y) {
+    this.cls = cls;
+    this.procCode = procCode;
+    this.labelID = labelID;
+    this.y = y;
+    this.lower = procCode.toLowerCase();
+    /**
+     * An Array of block ids
+     * @type {Array.<string>}
+     */
+    this.clones = null;
+    this.eventName = null;
+  }
+
+  /**
+   * True if the blockID matches a black represented by this BlockItem
+   * @param id
+   * @returns {boolean}
+   */
+  matchesID(id) {
+    if (this.labelID === id) {
+      return true;
+    }
+    if (this.clones) {
+      for (const cloneID of this.clones) {
+        if (cloneID === id) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+}