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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | 1x 16x 16x 16x 16x 16x 16x 16x 8x 8x 8x 8x 3x 1x 1x 1x 1x 1x 1x 3x 2x 2x 1x 1x 1x 2x 5x 3x 1x 2x 1x 1x 1x 1x 3x 3x 2x 1x 1x 1x | import type {
MPElementData,
MPTextData,
} from 'angular-miniprogram/platform/type';
export class AgentNode {
selector!: string | unknown;
name!: string;
parent!: AgentNode | undefined;
nextSibling!: AgentNode | undefined;
attribute: Record<string, string> = {};
style: Record<string, string> = {};
property: Record<string, unknown> = {};
classList = new Set<string>();
value!: string;
children: AgentNode[] = [];
listener: Record<string, Function> = {};
constructor(public type: 'element' | 'comment' | 'text') {}
appendChild(child: AgentNode) {
const lastChildIndex = this.children.length - 1;
this.children.push(child);
child.parent = this;
if (lastChildIndex > -1) {
this.children[lastChildIndex].nextSibling = child;
}
}
setParent(parent: AgentNode) {
const oldParent = this.parent;
Eif (oldParent) {
const index = oldParent.children.findIndex((item) => item === this);
Iif (index === -1) {
throw new Error('没有在之前的父级上找到该节点' + this);
}
oldParent.children.splice(index, 1);
}
parent.appendChild(this);
}
insertBefore(newChild: AgentNode, refChild: AgentNode) {
const refIndex = this.children.findIndex((item) => item === refChild);
Iif (refIndex === -1) {
throw new Error('未找到引用子节点' + refChild);
}
if (refIndex === 0) {
newChild.nextSibling = refChild;
} else {
this.children[refIndex - 1].nextSibling = newChild;
newChild.nextSibling = refChild;
}
this.children.splice(refIndex, 0, newChild);
}
removeChild(child: AgentNode) {
const index = this.children.findIndex((item) => item === child);
if (index === 0) {
this.children.shift();
} else if (index + 1 === this.children.length) {
this.children[index - 1].nextSibling = undefined;
this.children.pop();
} else {
this.children[index - 1].nextSibling = this.children[index + 1];
this.children.splice(index, 1);
}
child.nextSibling = undefined;
child.parent = undefined;
}
toView(): MPTextData | MPElementData {
if (this.type === 'text') {
return { value: this.value };
} else {
return {
class:
Array.from(this.classList).join(' ') +
(this.attribute.class ? ' ' + this.attribute.class : ''),
style:
Object.entries(this.style)
.map(([style, value]) => `${style}:${value}`)
.join(';') +
(this.attribute.style ? ';' + this.attribute.style : ''),
property: { ...this.property },
};
}
}
}
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