96 lines
2.2 KiB
TypeScript
96 lines
2.2 KiB
TypeScript
/**
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* Copyright (C) 2022, Dmitriy Pleshevskiy <dmitriy@ideascup.me>
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*
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* This file is part of Paren
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*
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* Paren is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Paren is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Paren. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { Nilable } from "./utils.ts";
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export type Attrs = Record<string, AttrVal>;
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export type AttrEntry = [key: string, value: AttrVal];
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export type AttrVal = boolean | string;
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export type AnyNode = Fragment | FragmentNode;
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export function isTextNode(val: unknown): val is TextNode {
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return val instanceof TextNode;
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}
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export class TextNode {
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#innerText: string;
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get innerText(): string {
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return this.#innerText;
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}
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constructor(text: string) {
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this.#innerText = text;
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}
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}
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export function isFragment(val: unknown): val is Fragment {
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return val instanceof Fragment;
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}
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export type FragmentNode = Elem | TextNode;
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export class Fragment {
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#children: FragmentNode[];
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get children(): FragmentNode[] {
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return this.#children;
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}
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constructor(children: FragmentNode[]) {
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this.#children = children;
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}
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}
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export function isElem(val: unknown): val is Elem {
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return val instanceof Elem;
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}
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export type ElemTagName =
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| keyof HTMLElementTagNameMap
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| keyof SVGElementTagNameMap;
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export class Elem {
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#tagName: ElemTagName;
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#attrs: Attrs;
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#children: AnyNode[];
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get tagName(): ElemTagName {
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return this.#tagName;
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}
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get attrs(): Attrs {
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return this.#attrs;
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}
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get children(): AnyNode[] {
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return this.#children;
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}
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constructor(
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tagName: ElemTagName,
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attrs?: Nilable<Attrs>,
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children?: Nilable<AnyNode[]>,
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) {
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this.#tagName = tagName;
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this.#attrs = attrs ?? {};
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this.#children = children ?? [];
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}
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}
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