refactor tests

packages/core/index.ts

@@ -13,10 +13,8 @@ export { default as nodeInputRule } from './src/inputRules/nodeInputRule'
 export { default as markInputRule } from './src/inputRules/markInputRule'
 export { default as markPasteRule } from './src/pasteRules/markPasteRule'
 
-export { default as capitalize } from './src/utils/capitalize'
 export { default as getSchema } from './src/utils/getSchema'
 export { default as generateHTML } from './src/utils/generateHTML'
 export { default as getHTMLFromFragment } from './src/utils/getHTMLFromFragment'
 export { default as getMarkAttrs } from './src/utils/getMarkAttrs'
 export { default as mergeAttributes } from './src/utils/mergeAttributes'
-export { default as fromString } from './src/utils/fromString'

packages/core/src/utils/capitalize.ts

@@ -1,3 +0,0 @@
-export default function capitalize(value = ''): string {
-  return value.charAt(0).toUpperCase() + value.slice(1)
-}

packages/core/src/utils/fromString.ts

@@ -1,4 +1,8 @@
 export default function fromString(value: any) {
+  if (typeof value !== 'string') {
+    return value
+  }
+
   if (value.match(/^\d*(\.\d+)?$/)) {
     return Number(value)
   }