41 lines
1.0 KiB
TypeScript
41 lines
1.0 KiB
TypeScript
const doc = document
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const svgNS = 'http://www.w3.org/2000/svg'
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export const nodeOps = {
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insert: (child: Node, parent: Node, anchor?: Node) => {
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if (anchor != null) {
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parent.insertBefore(child, anchor)
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} else {
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parent.appendChild(child)
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}
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},
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remove: (child: Node) => {
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const parent = child.parentNode
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if (parent != null) {
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parent.removeChild(child)
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}
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},
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createElement: (tag: string, isSVG?: boolean): Element =>
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isSVG ? doc.createElementNS(svgNS, tag) : doc.createElement(tag),
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createText: (text: string): Text => doc.createTextNode(text),
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createComment: (text: string): Comment => doc.createComment(text),
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setText: (node: Text, text: string) => {
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node.nodeValue = text
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},
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setElementText: (el: HTMLElement, text: string) => {
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el.textContent = text
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},
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parentNode: (node: Node): Node | null => node.parentNode,
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nextSibling: (node: Node): Node | null => node.nextSibling,
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querySelector: (selector: string): Node | null => doc.querySelector(selector)
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}
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