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uni_modules/uview-ui/libs/luch-request/helpers/isAbsoluteURL.js

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+'use strict'
+
+/**
+ * Determines whether the specified URL is absolute
+ *
+ * @param {string} url The URL to test
+ * @returns {boolean} True if the specified URL is absolute, otherwise false
+ */
+export default function isAbsoluteURL(url) {
+    // A URL is considered absolute if it begins with "<scheme>://" or "//" (protocol-relative URL).
+    // RFC 3986 defines scheme name as a sequence of characters beginning with a letter and followed
+    // by any combination of letters, digits, plus, period, or hyphen.
+    return /^([a-z][a-z\d+\-.]*:)?\/\//i.test(url)
+}