Jira <-> Markdown convertion scripts

Scripts/JiraToMarkdown.js

@@ -0,0 +1,106 @@
+/**
+	{
+        "id": "co.ameba.Esse.ExternalFunctions.JiraToMD",
+        "name": "Jira to Markdown",
+        "description": "Converts Jira markup to GitHub flavored markdown",
+	    "category":"Convert",
+	    "author":"Ameba Labs",
+	}
+**/
+
+//adopted from https://github.com/FokkeZB/J2M
+
+function main(input) {
+  input = input.replace(/^bq\.(.*)$/gm, function (match, content) {
+    return '> ' + content + "\n";
+  });
+
+  input = input.replace(/([*_])(.*)\1/g, function (match,wrapper,content) {
+    var to = (wrapper === '*') ? '**' : '*';
+    return to + content + to;
+  });
+
+  // multi-level numbered list
+  input = input.replace(/^((?:#|-|\+|\*)+) (.*)$/gm, function (match, level, content) {
+    var len = 2;
+    var prefix = '1.';
+    if (level.length > 1) {
+      len = parseInt((level.length - 1) * 4) + 2;
+    }
+
+    // take the last character of the level to determine the replacement
+    var prefix = level[level.length - 1];
+    if (prefix == '#') prefix = '1.';
+
+    return Array(len).join(" ") + prefix + ' ' + content;
+  });
+
+  // headers, must be after numbered lists
+  input = input.replace(/^h([0-6])\.(.*)$/gm, function (match,level,content) {
+    return Array(parseInt(level) + 1).join('#') + content;
+  });
+
+  input = input.replace(/\{\{([^}]+)\}\}/g, '`$1`');
+  input = input.replace(/\?\?((?:.[^?]|[^?].)+)\?\?/g, '<cite>$1</cite>');
+  input = input.replace(/\+([^+]*)\+/g, '<ins>$1</ins>');
+  input = input.replace(/\^([^^]*)\^/g, '<sup>$1</sup>');
+  input = input.replace(/~([^~]*)~/g, '<sub>$1</sub>');
+  input = input.replace(/-([^-]*)-/g, '-$1-');
+
+  input = input.replace(/\{code(:([a-z]+))?\}([^]*?)\{code\}/gm, '```$2$3```');
+  input = input.replace(/\{quote\}([^]*)\{quote\}/gm, function(match, content) {
+    lines = content.split(/\r?\n/gm);
+
+    for (var i = 0; i < lines.length; i++) {
+      lines[i] = '> ' + lines[i];
+    }
+
+    return lines.join("\n");
+  });
+
+  // Images with alt= among their parameters
+  input = input.replace(/!([^|\n\s]+)\|([^\n!]*)alt=([^\n!\,]+?)(,([^\n!]*))?!/g, '![$3]($1)');
+  // Images with just other parameters (ignore them)
+  input = input.replace(/!([^|\n\s]+)\|([^\n!]*)!/g, '![]($1)');
+  // Images without any parameters or alt
+  input = input.replace(/!([^\n\s!]+)!/g, '![]($1)'); 
+
+  input = input.replace(/\[([^|]+)\|(.+?)\]/g, '[$1]($2)');
+  input = input.replace(/\[(.+?)\]([^\(]+)/g, '<$1>$2');
+
+  input = input.replace(/{noformat}/g, '```');
+  input = input.replace(/{color:([^}]+)}([^]*?){color}/gm, '<span style="color:$1">$2</span>');
+
+  // Convert header rows of tables by splitting input on lines
+  lines = input.split(/\r?\n/gm);
+  lines_to_remove = []
+  for (var i = 0; i < lines.length; i++) {
+    line_content = lines[i];
+
+    seperators = line_content.match(/\|\|/g);
+    if (seperators != null) {
+      lines[i] = lines[i].replace(/\|\|/g, "|");
+      console.log(seperators)
+
+      // Add a new line to mark the header in Markdown,
+      // we require that at least 3 -'s are between each |
+      header_line = "";
+      for (var j = 0; j < seperators.length-1; j++) {
+        header_line += "|---";
+      }
+
+      header_line += "|";
+
+      lines.splice(i+1, 0, header_line);
+
+    }
+  }
+
+  // Join the split lines back
+  input = ""
+  for (var i = 0; i < lines.length; i++) {
+    input += lines[i] + "\n"
+  }
+
+  return input;
+}

Scripts/MarkdownToJira.js

@@ -0,0 +1,122 @@
+/**
+	{
+        "id": "co.ameba.Esse.ExternalFunctions.MDToJira",
+        "name": "Markdown to Jira",
+        "description": "Converts GitHub flavored markdown to Jira Markup",
+	    "category":"Convert",
+	    "author":"Ameba Labs",
+	}
+**/
+
+//adopted from https://github.com/FokkeZB/J2M
+
+function main(input) {
+  // remove sections that shouldn't be recursively processed
+  var START = 'J2MBLOCKPLACEHOLDER';
+  var replacementsList = [];
+  var counter = 0;
+
+  input = input.replace(/`{3,}(\w+)?((?:\n|.)+?)`{3,}/g, function(match, synt, content) {
+    var code = '{code';
+
+    if (synt) {
+      code += ':' + synt;
+    }
+
+    code += '}' + content + '{code}';
+    var key = START + counter++ + '%%';
+    replacementsList.push({key: key, value: code});
+    return key;
+  });
+
+  input = input.replace(/`([^`]+)`/g, function(match, content) {
+    var code = '{{'+ content + '}}';
+    var key = START + counter++ + '%%';
+    replacementsList.push({key: key, value: code});
+    return key;
+  });
+
+  input = input.replace(/`([^`]+)`/g, '{{$1}}');
+
+  input = input.replace(/^(.*?)\n([=-])+$/gm, function (match,content,level) {
+    return 'h' + (level[0] === '=' ? 1 : 2) + '. ' + content;
+  });
+
+  input = input.replace(/^([#]+)(.*?)$/gm, function (match,level,content) {
+    return 'h' + level.length + '.' + content;
+  });
+
+  input = input.replace(/([*_]+)(.*?)\1/g, function (match,wrapper,content) {
+    var to = (wrapper.length === 1) ? '_' : '*';
+    return to + content + to;
+  });
+
+  // multi-level bulleted list
+  input = input.replace(/^(\s*)- (.*)$/gm, function (match,level,content) {
+    var len = 2;
+    if(level.length > 0) {
+      len = parseInt(level.length/4.0) + 2;
+    }
+    return Array(len).join("-") + ' ' + content;
+  });
+
+  // multi-level numbered list
+  input = input.replace(/^(\s+)1. (.*)$/gm, function (match, level, content) {
+    var len = 2;
+    if (level.length > 1) {
+      len = parseInt(level.length / 4) + 2;
+    }
+    return Array(len).join("#") + ' ' + content;
+  });
+
+  var map = {
+    cite: '??',
+    del: '-',
+    ins: '+',
+    sup: '^',
+    sub: '~'
+  };
+
+  input = input.replace(new RegExp('<(' + Object.keys(map).join('|') + ')>(.*?)<\/\\1>', 'g'), function (match,from,content) {
+    //console.log(from);
+    var to = map[from];
+    return to + content + to;
+  });
+
+  input = input.replace(/<span style="color:(#[^"]+)">([^]*?)<\/span>/gm, '{color:$1}$2{color}');
+
+  input = input.replace(/~~(.*?)~~/g, '-$1-');
+
+  // Images without alt
+  input = input.replace(/!\[\]\(([^)\n\s]+)\)/g, '!$1!');
+  // Images with alt
+  input = input.replace(/!\[([^\]\n]+)\]\(([^)\n\s]+)\)/g, '!$2|alt=$1!');
+
+  input = input.replace(/\[([^\]]+)\]\(([^)]+)\)/g, '[$1|$2]');
+  input = input.replace(/<([^>]+)>/g, '[$1]');
+
+  // restore extracted sections
+  for(var i =0; i < replacementsList.length; i++){
+    var sub = replacementsList[i];
+    input = input.replace(sub["key"], sub["value"]);
+  }
+
+  // Convert header rows of tables by splitting input on lines
+  lines = input.split(/\r?\n/gm);
+  lines_to_remove = []
+  for (var i = 0; i < lines.length; i++) {
+    line_content = lines[i];
+
+    if (line_content.match(/\|---/g) != null) {
+      lines[i-1] = lines[i-1].replace(/\|/g, "||")
+      lines.splice(i, 1)
+    }
+  }
+
+  // Join the split lines back
+  input = ""
+  for (var i = 0; i < lines.length; i++) {
+    input += lines[i] + "\n"
+  }
+  return input;
+}