init (graduate from prototype)

packages/runtime-dom/src/nodeOps.ts

@@ -0,0 +1,39 @@
+const svgNS = 'http://www.w3.org/2000/svg'
+
+export const nodeOps = {
+  createElement: (tag: string, isSVG?: boolean): Element =>
+    isSVG ? document.createElementNS(svgNS, tag) : document.createElement(tag),
+
+  createText: (text: string): Text => document.createTextNode(text),
+
+  setText: (node: Text, text: string) => {
+    node.nodeValue = text
+  },
+
+  appendChild: (parent: Node, child: Node) => {
+    parent.appendChild(child)
+  },
+
+  insertBefore: (parent: Node, child: Node, ref: Node) => {
+    parent.insertBefore(child, ref)
+  },
+
+  replaceChild: (parent: Node, oldChild: Node, newChild: Node) => {
+    parent.replaceChild(newChild, oldChild)
+  },
+
+  removeChild: (parent: Node, child: Node) => {
+    parent.removeChild(child)
+  },
+
+  clearContent: (node: Node) => {
+    node.textContent = ''
+  },
+
+  parentNode: (node: Node): Node | null => node.parentNode,
+
+  nextSibling: (node: Node): Node | null => node.nextSibling,
+
+  querySelector: (selector: string): Node | null =>
+    document.querySelector(selector)
+}