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import Container from './Container.js'
import Parent from './Parent.js'
import {adopt, extend} from './tools.js'
import {ns, xlink, xmlns, svgjs} from './namespaces.js'
export default class Doc extends Container {
constructor (node) {
super(nodeOrNew('svg', node))
this.namespace()
}
isRoot () {
return !this.node.parentNode || !(this.node.parentNode instanceof window.SVGElement) || this.node.parentNode.nodeName === '#document'
}
// Check if this is a root svg
// If not, call docs from this element
doc () {
if (this.isRoot()) return this
return super.doc()
}
// Add namespaces
namespace () {
if (!this.isRoot()) return this.doc().namespace()
return this
.attr({ xmlns: ns, version: '1.1' })
.attr('xmlns:xlink', xlink, xmlns)
.attr('xmlns:svgjs', svgjs, xmlns)
}
// Creates and returns defs element
defs () {
if (!this.isRoot()) return this.doc().defs()
return adopt(this.node.getElementsByTagName('defs')[0]) ||
this.put(new Defs())
}
// custom parent method
parent (type) {
if (this.isRoot()) {
return this.node.parentNode.nodeName === '#document' ? null : this.node.parentNode
}
return super.parent(type)
}
// Removes the doc from the DOM
remove () {
if (!this.isRoot()) {
return super.remove()
}
if (this.parent()) {
this.parent().removeChild(this.node)
}
return this
}
clear () {
// remove children
while (this.node.hasChildNodes()) {
this.node.removeChild(this.node.lastChild)
}
return this
}
}
addFactory(Container, {
// Create nested svg document
nested () {
return this.put(new Doc())
}
})
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