feat: global avatar

packages/app/src/utils/colors.ts

@@ -0,0 +1,20 @@
+export function stringToColour(str: string) {
+  str = str || 'affine';
+  let colour = '#';
+  let hash = 0;
+  // str to hash
+  for (
+    let i = 0;
+    i < str.length;
+    hash = str.charCodeAt(i++) + ((hash << 5) - hash)
+  );
+
+  // int/hash to hex
+  for (
+    let i = 0;
+    i < 3;
+    colour += ('00' + ((hash >> (i++ * 8)) & 0xff).toString(16)).slice(-2)
+  );
+
+  return colour;
+}

packages/app/src/utils/index.ts

@@ -3,3 +3,5 @@ export { isDev } from './env';
 export * from './useragent';
 
 export * from './tools';
+
+export * from './colors';