39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
"use strict";
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/**
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* @param {string[]} pathComponents path components
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* @returns {string} normalized url
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*/
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function normalizeUrlInner(pathComponents) {
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return pathComponents.reduce(function (accumulator, item) {
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switch (item) {
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case "..":
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accumulator.pop();
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break;
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case ".":
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break;
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default:
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accumulator.push(item);
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}
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return accumulator;
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}, /** @type {string[]} */[]).join("/");
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}
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/**
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* @param {string} urlString url string
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* @returns {string} normalized url string
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*/
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module.exports = function normalizeUrl(urlString) {
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urlString = urlString.trim();
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if (/^data:/i.test(urlString)) {
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return urlString;
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}
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var protocol =
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// eslint-disable-next-line unicorn/prefer-includes
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urlString.indexOf("//") !== -1 ? "".concat(urlString.split("//")[0], "//") : "";
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var components = urlString.replace(new RegExp(protocol, "i"), "").split("/");
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var host = components[0].toLowerCase().replace(/\.$/, "");
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components[0] = "";
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var path = normalizeUrlInner(components);
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return protocol + host + path;
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}; |