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Fixed @implab/djx/index typings
Fixed @implab/djx/index typings
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BuildContextBase.ts
64 lines | 1.6 KiB | video/mp2t | TypeScriptLexer
/ src / main / ts / tsx / BuildContextBase.ts
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import { isNull, mixin, argumentNotNull } from "@implab/core-amd/safe";
import { isPlainObject, isNode, isBuildContext } from "./traits";
export abstract class BuildContextBase {
_attrs = {};
_children = new Array();
_created: boolean = false;
visitNext(v: any) {
if (isNull(v))
return;
if (isPlainObject(v)) {
if (this._created)
this._setAttrs(v);
else
mixin(this._attrs, v);
} else {
if (this._created)
this._addChild(v);
else
this._children.push(v);
}
}
getChildDom(v: any) {
const tv = typeof v;
if (tv === "string" || tv === "number" || tv === "boolean" || v instanceof RegExp || v instanceof Date) {
return document.createTextNode(v.toString());
} else if (isNode(v)) {
return v;
} else if (isBuildContext(v)) {
return v.getDomElement();
} else {
throw new Error("Invalid parameter");
}
}
abstract _getDomElement(): HTMLElement;
ensureCreated() {
if (!this._created) {
this._create(this._attrs, this._children);
this._children = [];
this._attrs = {};
this._created = true;
}
}
getDomElement() {
this.ensureCreated();
return this._getDomElement();
}
abstract _addChild(child: any): void;
abstract _setAttrs(attrs: object): void;
abstract _create(attrs: object, children: any[]): void;
}