103 lines
3.0 KiB
TypeScript
103 lines
3.0 KiB
TypeScript
import { RendererOptions } from '@vue/runtime-core'
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export const svgNS = 'http://www.w3.org/2000/svg'
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const doc = (typeof document !== 'undefined' ? document : null) as Document
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const staticTemplateCache = new Map<string, DocumentFragment>()
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export const nodeOps: Omit<RendererOptions<Node, Element>, 'patchProp'> = {
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insert: (child, parent, anchor) => {
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parent.insertBefore(child, anchor || null)
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},
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remove: child => {
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const parent = child.parentNode
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if (parent) {
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parent.removeChild(child)
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}
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},
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createElement: (tag, isSVG, is, props): Element => {
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const el = isSVG
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? doc.createElementNS(svgNS, tag)
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: doc.createElement(tag, is ? { is } : undefined)
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if (tag === 'select' && props && props.multiple != null) {
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;(el as HTMLSelectElement).setAttribute('multiple', props.multiple)
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}
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return el
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},
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createText: text => doc.createTextNode(text),
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createComment: text => doc.createComment(text),
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setText: (node, text) => {
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node.nodeValue = text
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},
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setElementText: (el, text) => {
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el.textContent = text
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},
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parentNode: node => node.parentNode as Element | null,
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nextSibling: node => node.nextSibling,
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querySelector: selector => doc.querySelector(selector),
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setScopeId(el, id) {
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el.setAttribute(id, '')
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},
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cloneNode(el) {
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const cloned = el.cloneNode(true)
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// #3072
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// - in `patchDOMProp`, we store the actual value in the `el._value` property.
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// - normally, elements using `:value` bindings will not be hoisted, but if
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// the bound value is a constant, e.g. `:value="true"` - they do get
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// hoisted.
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// - in production, hoisted nodes are cloned when subsequent inserts, but
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// cloneNode() does not copy the custom property we attached.
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// - This may need to account for other custom DOM properties we attach to
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// elements in addition to `_value` in the future.
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if (`_value` in el) {
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;(cloned as any)._value = (el as any)._value
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}
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return cloned
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},
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// __UNSAFE__
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// Reason: innerHTML.
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// Static content here can only come from compiled templates.
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// As long as the user only uses trusted templates, this is safe.
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insertStaticContent(content, parent, anchor, isSVG) {
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// <parent> before | first ... last | anchor </parent>
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const before = anchor ? anchor.previousSibling : parent.lastChild
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let template = staticTemplateCache.get(content)
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if (!template) {
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const t = doc.createElement('template')
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t.innerHTML = isSVG ? `<svg>${content}</svg>` : content
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template = t.content
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if (isSVG) {
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// remove outer svg wrapper
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const wrapper = template.firstChild!
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while (wrapper.firstChild) {
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template.appendChild(wrapper.firstChild)
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}
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template.removeChild(wrapper)
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}
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staticTemplateCache.set(content, template)
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}
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parent.insertBefore(template.cloneNode(true), anchor)
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return [
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// first
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before ? before.nextSibling! : parent.firstChild!,
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// last
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anchor ? anchor.previousSibling! : parent.lastChild!
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]
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}
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}
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