47 lines
1.7 KiB
TypeScript
47 lines
1.7 KiB
TypeScript
const getRandomLinksFromContent = async (options: {
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content: string;
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excludes: string[];
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limit: number;
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}): Promise<string[]> => {
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const regex = /(?<=\()https:\/\/(.*?)(?=\))/g;
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const links = options.content.match(regex);
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const filteredLinks = links
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? links.filter(
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(link) => !options.excludes.some((exclude) => link.includes(exclude))
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)
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: [];
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const uniqueLinks = [...new Set(filteredLinks)]; // Ensure all links are unique
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const randomLinks = [];
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while (randomLinks.length < options.limit && uniqueLinks.length > 0) {
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const randomIndex = Math.floor(Math.random() * uniqueLinks.length);
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randomLinks.push(uniqueLinks.splice(randomIndex, 1)[0]);
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}
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return randomLinks;
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};
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function fuzzyContains(options: {
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largeText: string;
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queryText: string;
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threshold?: number;
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}): boolean {
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// Normalize texts: lowercasing and removing non-alphanumeric characters
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const normalize = (text: string) =>
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text.toLowerCase().replace(/[^a-z0-9]+/g, " ");
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const normalizedLargeText = normalize(options.largeText);
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const normalizedQueryText = normalize(options.queryText);
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// Split the query into words
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const queryWords = normalizedQueryText.split(/\s+/);
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// Count how many query words are in the large text
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const matchCount = queryWords.reduce((count, word) => {
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return count + (normalizedLargeText.includes(word) ? 1 : 0);
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}, 0);
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// Calculate the percentage of words matched
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const matchPercentage = matchCount / queryWords.length;
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// Check if the match percentage meets or exceeds the threshold
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return matchPercentage >= (options.threshold || 0.8);
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} |