fix: Fractional index validation (#11258)

- Vendored fractional-indexing and converted to TypeScript
- Stricter index format validation in fractional-indexing
- Added format validation to fractional index validation

---
Signed-off-by: Mark Tolmacs <mark@lazycat.hu>
Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>

scripts/buildBase.js

@@ -13,7 +13,12 @@ const getConfig = (outdir) => ({
   alias: {
     "@excalidraw/utils": path.resolve(__dirname, "../packages/utils/src"),
   },
-  external: ["@excalidraw/common", "@excalidraw/element", "@excalidraw/math"],
+  external: [
+    "@excalidraw/common",
+    "@excalidraw/element",
+    "@excalidraw/math",
+    "@excalidraw/fractional-indexing",
+  ],
 });
 
 function buildDev(config) {

scripts/buildPackage.js

@@ -74,7 +74,12 @@ const getConfig = (outdir) => ({
   alias: {
     "@excalidraw/utils": path.resolve(__dirname, "../packages/utils/src"),
   },
-  external: ["@excalidraw/common", "@excalidraw/element", "@excalidraw/math"],
+  external: [
+    "@excalidraw/common",
+    "@excalidraw/element",
+    "@excalidraw/math",
+    "@excalidraw/fractional-indexing",
+  ],
   loader: {
     ".woff2": "file",
   },

scripts/buildUtils.js

@@ -18,6 +18,10 @@ const getConfig = (outdir) => ({
     "@excalidraw/element": path.resolve(__dirname, "../packages/element/src"),
     "@excalidraw/excalidraw": path.resolve(__dirname, "../packages/excalidraw"),
     "@excalidraw/math": path.resolve(__dirname, "../packages/math/src"),
+    "@excalidraw/fractional-indexing": path.resolve(
+      __dirname,
+      "../packages/fractional-indexing/src",
+    ),
     "@excalidraw/utils": path.resolve(__dirname, "../packages/utils/src"),
   },
 });

scripts/release.js

@@ -6,7 +6,13 @@ const { execSync } = require("child_process");
 const updateChangelog = require("./updateChangelog");
 
 // skipping utils for now, as it has independent release process
-const PACKAGES = ["common", "math", "element", "excalidraw"];
+const PACKAGES = [
+  "common",
+  "fractional-indexing",
+  "math",
+  "element",
+  "excalidraw",
+];
 const PACKAGES_DIR = path.resolve(__dirname, "../packages");
 
 /**