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22 lines
666 B
TypeScript
22 lines
666 B
TypeScript
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/**
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* @description
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* This function test whether a URL is valid or not.
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*
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* It accepts URLs with or without the protocol.
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* @param {string} url
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* @returns {boolean}
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* @example
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* checkURLValidity("https://example.com") => true
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* checkURLValidity("example.com") => true
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* checkURLValidity("example") => false
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*/
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export const checkURLValidity = (url: string): boolean => {
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if (!url) return false;
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// regex to support complex query parameters and fragments
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const urlPattern =
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/^(https?:\/\/)?((([a-z\d-]+\.)*[a-z\d-]+\.[a-z]{2,6})|(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}))(:\d+)?(\/[\w.-]*)*(\?[^#\s]*)?(#[\w-]*)?$/i;
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return urlPattern.test(url);
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};
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