split utility function out into a separate util.js

[citadel.git] / webcit-ng / static / js / view_forum.js

diff --git a/webcit-ng/static/js/view_forum.js b/webcit-ng/static/js/view_forum.js
index 3bab4df90a4b0ddbd445692befcc5901b7a244fd..2680e501084b21627ebf93138ff12957bd1e587b 100644 (file)
--- a/webcit-ng/static/js/view_forum.js
+++ b/webcit-ng/static/js/view_forum.js
@@ -321,35 +321,3 @@ function save_message(div_name, reply_to_msgnum) {
        };
        request.send(body_text);
 }
-
-
-// Function to encode data in quoted-printable format
-// Written by Theriault and Brett Zamir [https://locutus.io/php/quoted_printable_encode/]
-function quoted_printable_encode (str) { // eslint-disable-line camelcase
-       const hexChars = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F']
-       const RFC2045Encode1IN = / \r\n|\r\n|[^!-<>-~ ]/gm
-       const RFC2045Encode1OUT = function (sMatch) {
-               // Encode space before CRLF sequence to prevent spaces from being stripped
-               // Keep hard line breaks intact; CRLF sequences
-               if (sMatch.length > 1) {
-                       return sMatch.replace(' ', '=20');
-               }
-               // Encode matching character
-               const chr = sMatch.charCodeAt(0);
-               return '=' + hexChars[((chr >>> 4) & 15)] + hexChars[(chr & 15)];
-       }
-       // Split lines to 75 characters; the reason it's 75 and not 76 is because softline breaks are
-       // preceeded by an equal sign; which would be the 76th character. However, if the last line/string
-       // was exactly 76 characters, then a softline would not be needed. PHP currently softbreaks
-       // anyway; so this function replicates PHP.
-       const RFC2045Encode2IN = /.{1,72}(?!\r\n)[^=]{0,3}/g
-       const RFC2045Encode2OUT = function (sMatch) {
-               if (sMatch.substr(sMatch.length - 2) === '\r\n') {
-                       return sMatch;
-               }
-               return sMatch + '=\r\n';
-       }
-       str = str.replace(RFC2045Encode1IN, RFC2045Encode1OUT).replace(RFC2045Encode2IN, RFC2045Encode2OUT);
-       // Strip last softline break
-       return str.substr(0, str.length - 3)
-}