forked from akai/readest
Huang Xin
39 lines
1.1 KiB
TypeScript
39 lines
1.1 KiB
TypeScript
export const createRejectFilter = ({
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tags = [],
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classes = [],
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attributes = [],
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contents = [],
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}: {
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tags?: string[];
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classes?: string[];
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attributes?: string[];
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contents?: { tag: string; content: RegExp }[];
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}) => {
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return (node: Node): number => {
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if (node.nodeType === Node.ELEMENT_NODE) {
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const name = (node as Element).tagName.toLowerCase();
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if (name === 'script' || name === 'style') {
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return NodeFilter.FILTER_REJECT;
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}
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if (tags.includes(name)) {
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return NodeFilter.FILTER_REJECT;
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}
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if (classes.some((cls) => (node as Element).classList.contains(cls))) {
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return NodeFilter.FILTER_REJECT;
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}
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if (attributes.some((attr) => (node as Element).hasAttribute(attr))) {
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return NodeFilter.FILTER_REJECT;
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}
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if (
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contents.some(({ tag, content }) => {
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return name === tag && content.test((node as Element).textContent || '');
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})
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) {
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return NodeFilter.FILTER_REJECT;
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}
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return NodeFilter.FILTER_SKIP;
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}
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return NodeFilter.FILTER_ACCEPT;
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};
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};
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