wip(compiler-ssr): v-model static types + textarea

packages/shared/src/index.ts

@@ -9,6 +9,7 @@ export * from './normalizeProp'
 export * from './domTagConfig'
 export * from './domAttrConfig'
 export * from './escapeHtml'
+export * from './looseEqual'
 
 export const EMPTY_OBJ: { readonly [key: string]: any } = __DEV__
   ? Object.freeze({})

packages/shared/src/looseEqual.ts

@@ -0,0 +1,42 @@
+import { isObject, isArray } from './'
+
+export function looseEqual(a: any, b: any): boolean {
+  if (a === b) return true
+  const isObjectA = isObject(a)
+  const isObjectB = isObject(b)
+  if (isObjectA && isObjectB) {
+    try {
+      const isArrayA = isArray(a)
+      const isArrayB = isArray(b)
+      if (isArrayA && isArrayB) {
+        return (
+          a.length === b.length &&
+          a.every((e: any, i: any) => looseEqual(e, b[i]))
+        )
+      } else if (a instanceof Date && b instanceof Date) {
+        return a.getTime() === b.getTime()
+      } else if (!isArrayA && !isArrayB) {
+        const keysA = Object.keys(a)
+        const keysB = Object.keys(b)
+        return (
+          keysA.length === keysB.length &&
+          keysA.every(key => looseEqual(a[key], b[key]))
+        )
+      } else {
+        /* istanbul ignore next */
+        return false
+      }
+    } catch (e) {
+      /* istanbul ignore next */
+      return false
+    }
+  } else if (!isObjectA && !isObjectB) {
+    return String(a) === String(b)
+  } else {
+    return false
+  }
+}
+
+export function looseIndexOf(arr: any[], val: any): number {
+  return arr.findIndex(item => looseEqual(item, val))
+}