Diffusion Open Access Compliance Check Tool (OACCT) (issn4frontend) Browse

rOACCT/node_modules/micromark/lib/util/normalize-uri.mjs
49c99f97fe9aissn4frontend

normalize-uri.mjs
View Options

			export default normalizeUri

			import asciiAlphanumeric from '../character/ascii-alphanumeric.mjs'
			import codes from '../character/codes.mjs'
			import values from '../character/values.mjs'
			import fromCharCode from '../constant/from-char-code.mjs'

			// Encode unsafe characters with percent-encoding, skipping already
			// encoded sequences.
			function normalizeUri(value) {
			var index = -1
			var result = []
			var start = 0
			var skip = 0
			var code
			var next
			var replace

			while (++index < value.length) {
			code = value.charCodeAt(index)

			// A correct percent encoded value.
			if (
			code === codes.percentSign &&
			asciiAlphanumeric(value.charCodeAt(index + 1)) &&
			asciiAlphanumeric(value.charCodeAt(index + 2))
			) {
			skip = 2
			}
			// ASCII.
			else if (code < 128) {
			if (!/[!#$&-;=?-Z_a-z~]/.test(fromCharCode(code))) {
			replace = fromCharCode(code)
			}
			}
			// Astral.
			else if (code > 55295 && code < 57344) {
			next = value.charCodeAt(index + 1)

			// A correct surrogate pair.
			if (code < 56320 && next > 56319 && next < 57344) {
			replace = fromCharCode(code, next)
			skip = 1
			}
			// Lone surrogate.
			else {
			replace = values.replacementCharacter
			}
			}
			// Unicode.
			else {
			replace = fromCharCode(code)
			}

			if (replace) {
			result.push(value.slice(start, index), encodeURIComponent(replace))
			start = index + skip + 1
			replace = undefined
			}

			if (skip) {
			index += skip
			skip = 0
			}
			}

			return result.join('') + value.slice(start)
			}