20240517

node_modules/store/storages/cookieStorage.js

@@ -0,0 +1,61 @@
+// cookieStorage is useful Safari private browser mode, where localStorage
+// doesn't work but cookies do. This implementation is adopted from
+// https://developer.mozilla.org/en-US/docs/Web/API/Storage/LocalStorage
+
+var util = require('../src/util')
+var Global = util.Global
+var trim = util.trim
+
+module.exports = {
+	name: 'cookieStorage',
+	read: read,
+	write: write,
+	each: each,
+	remove: remove,
+	clearAll: clearAll,
+}
+
+var doc = Global.document
+
+function read(key) {
+	if (!key || !_has(key)) { return null }
+	var regexpStr = "(?:^|.*;\\s*)" +
+		escape(key).replace(/[\-\.\+\*]/g, "\\$&") +
+		"\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*"
+	return unescape(doc.cookie.replace(new RegExp(regexpStr), "$1"))
+}
+
+function each(callback) {
+	var cookies = doc.cookie.split(/; ?/g)
+	for (var i = cookies.length - 1; i >= 0; i--) {
+		if (!trim(cookies[i])) {
+			continue
+		}
+		var kvp = cookies[i].split('=')
+		var key = unescape(kvp[0])
+		var val = unescape(kvp[1])
+		callback(val, key)
+	}
+}
+
+function write(key, data) {
+	if(!key) { return }
+	doc.cookie = escape(key) + "=" + escape(data) + "; expires=Tue, 19 Jan 2038 03:14:07 GMT; path=/"
+}
+
+function remove(key) {
+	if (!key || !_has(key)) {
+		return
+	}
+	doc.cookie = escape(key) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/"
+}
+
+function clearAll() {
+	each(function(_, key) {
+		remove(key)
+	})
+}
+
+function _has(key) {
+	return (new RegExp("(?:^|;\\s*)" + escape(key).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(doc.cookie)
+}