diff options
Diffstat (limited to 'develop/cookie.js')
-rw-r--r-- | develop/cookie.js | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/develop/cookie.js b/develop/cookie.js new file mode 100644 index 0000000..53ad21d --- /dev/null +++ b/develop/cookie.js @@ -0,0 +1,58 @@ +/*! + Cookie helper functions + Copyright (c) 2023 Dimitri van Heesch + Released under MIT license. +*/ +let Cookie = { + cookie_namespace: 'doxygen_', + + readSetting(cookie,defVal) { + if (window.chrome) { + const val = localStorage.getItem(this.cookie_namespace+cookie) || + sessionStorage.getItem(this.cookie_namespace+cookie); + if (val) return val; + } else { + let myCookie = this.cookie_namespace+cookie+"="; + if (document.cookie) { + const index = document.cookie.indexOf(myCookie); + if (index != -1) { + const valStart = index + myCookie.length; + let valEnd = document.cookie.indexOf(";", valStart); + if (valEnd == -1) { + valEnd = document.cookie.length; + } + return document.cookie.substring(valStart, valEnd); + } + } + } + return defVal; + }, + + writeSetting(cookie,val,days=10*365) { // default days='forever', 0=session cookie, -1=delete + if (window.chrome) { + if (days==0) { + sessionStorage.setItem(this.cookie_namespace+cookie,val); + } else { + localStorage.setItem(this.cookie_namespace+cookie,val); + } + } else { + let date = new Date(); + date.setTime(date.getTime()+(days*24*60*60*1000)); + const expiration = days!=0 ? "expires="+date.toGMTString()+";" : ""; + document.cookie = this.cookie_namespace + cookie + "=" + + val + "; SameSite=Lax;" + expiration + "path=/"; + } + }, + + eraseSetting(cookie) { + if (window.chrome) { + if (localStorage.getItem(this.cookie_namespace+cookie)) { + localStorage.removeItem(this.cookie_namespace+cookie); + } else if (sessionStorage.getItem(this.cookie_namespace+cookie)) { + sessionStorage.removeItem(this.cookie_namespace+cookie); + } + } else { + this.writeSetting(cookie,'',-1); + } + }, +} |