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Enhances Github comments
Stan na
// ==UserScript==
// @id Github_Comment_Enhancer@https://github.com/jerone/UserScripts
// @name Github Comment Enhancer
// @namespace https://github.com/jerone/UserScripts
// @description Enhances Github comments
// @author jerone
// @homepage https://github.com/jerone/UserScripts/tree/master/Github_Comment_Enhancer
// @homepageURL https://github.com/jerone/UserScripts/tree/master/Github_Comment_Enhancer
// @version 1.2
// @grant none
// @run-at document-end
// @include https://github.com/*/*/issues/*
// @include https://github.com/*/*/pull/*
// @include https://github.com/*/*/commit/*
// ==/UserScript==
(function() {
// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/langs/markdown.js
var MarkDown = {
"function-bold": {
search: /^(\s*)([\s\S]*?)(\s*)$/g,
replace: "$1**$2**$3"
},
"function-italic": {
search: /^(\s*)([\s\S]*?)(\s*)$/g,
replace: "$1_$2_$3"
},
"function-strikethrough": {
search: /^(\s*)([\s\S]*?)(\s*)$/g,
replace: "$1~~$2~~$3"
},
"function-h1": {
search: /(.+)([\n]?)/g,
replace: "# $1$2",
forceNewline: true
},
"function-h2": {
search: /(.+)([\n]?)/g,
replace: "## $1$2",
forceNewline: true
},
"function-h3": {
search: /(.+)([\n]?)/g,
replace: "### $1$2",
forceNewline: true
},
"function-h4": {
search: /(.+)([\n]?)/g,
replace: "#### $1$2",
forceNewline: true
},
"function-h5": {
search: /(.+)([\n]?)/g,
replace: "##### $1$2",
forceNewline: true
},
"function-h6": {
search: /(.+)([\n]?)/g,
replace: "###### $1$2",
forceNewline: true
},
"function-link": {
exec: function(txt, selText, next) {
var isUrl = selText && /(?:https?:\/\/)|(?:www\.)/.test(selText.trim()),
href = window.prompt("Link href:", isUrl ? selText.trim() : ""),
text = window.prompt("Link text:", isUrl ? "" : selText.trim());
if (href) {
next("[" + (text || href) + "](" + href + ")");
}
}
},
"function-image": {
exec: function(txt, selText, next) {
var isUrl = selText && /(?:https?:\/\/)|(?:www\.)/.test(selText.trim()),
href = window.prompt("Image href:", isUrl ? selText.trim() : ""),
text = window.prompt("Image text:", isUrl ? "" : selText.trim());
if (href) {
next("![" + (text || href) + "](" + href + ")");
}
}
},
"function-ul": {
search: /(.+)([\n]?)/g,
replace: "* $1$2",
forceNewline: true
},
"function-ol": {
exec: function(txt, selText, next) {
var repText = "";
if (!selText) {
repText = "1. ";
} else {
var lines = selText.split("\n"),
hasContent = /[\w]+/;
for (var i = 0; i < lines.length; i++) {
if (hasContent.test(lines[i])) {
repText += (i + 1).toString() + ". " + lines[i] + "\n";
}
}
}
next(repText);
}
},
"function-checklist": {
search: /(.+)([\n]?)/g,
replace: "* [ ] $1$2",
forceNewline: true
},
"function-code": {
exec: function(txt, selText, next) {
var rt = selText.indexOf("\n") > -1 ? "$1\n```\n$2\n```$3" : "$1`$2`$3";
next(selText.replace(/^(\s*)([\s\S]*?)(\s*)$/g, rt));
}
},
"function-blockquote": {
search: /(.+)([\n]?)/g,
replace: "> $1$2",
forceNewline: true
},
"function-hr": {
append: "\n***\n",
forceNewline: true
},
"function-table": {
append: '\n\
| Header | Header | Header |\n\
| :--- | :---: | ---: |\n\
| Cell | Cell | Cell |\n\
| Cell | Cell | Cell |\n\
',
forceNewline: true
}
};
Array.forEach(document.querySelectorAll(".comment-form-textarea"), function(commentForm) {
var gollumEditor = document.createElement("div");
gollumEditor.innerHTML =
'<div class="active" id="gollum-editor-function-bar" style="border:0 none;">' +
' <div id="gollum-editor-function-buttons">' +
' <div class="button-group">' +
' <a href="#" id="function-bold" class="minibutton function-button" title="Bold" tabindex="-1">' +
' <b>B</b>' +
' </a>' +
' <a href="#" id="function-italic" class="minibutton function-button" title="Italic" tabindex="-1">' +
' <em>i</em>' +
' </a>' +
' <a href="#" id="function-strikethrough" class="minibutton function-button" title="Strikethrough" tabindex="-1">' +
' <s>S</s>' +
' </a>' +
' </div>' +
' <div class="button-group">' +
' <div class="select-menu js-menu-container js-select-menu js-composer-assignee-picker">' +
' <span aria-haspopup="true" title="Headers" role="button" class="minibutton select-menu-button icon-only js-menu-target" style="padding:0 18px 0 7px; width:auto; border-bottom-right-radius:3px; border-top-right-radius:3px;">' +
' <b>h#</b>' +
' </span>' +
' <div aria-hidden="false" class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container" style="top: 26px;">' +
' <div class="select-menu-modal" style="width:auto;">' +
' <div class="select-menu-header">' +
' <span class="select-menu-title">Choose header</span>' +
' <span class="octicon octicon-remove-close js-menu-close"></span>' +
' </div>' +
' <div class="button-group">' +
' <a href="#" id="function-h1" class="minibutton function-button js-menu-close" title="Header 1" tabindex="-1">' +
' <b>h1</b>' +
' </a>' +
' <a href="#" id="function-h2" class="minibutton function-button js-menu-close" title="Header 2" tabindex="-1">' +
' <b>h2</b>' +
' </a>' +
' <a href="#" id="function-h3" class="minibutton function-button js-menu-close" title="Header 3" tabindex="-1">' +
' <b>h3</b>' +
' </a>' +
' <a href="#" id="function-h4" class="minibutton function-button js-menu-close" title="Header 4" tabindex="-1">' +
' <b>h4</b>' +
' </a>' +
' <a href="#" id="function-h5" class="minibutton function-button js-menu-close" title="Header 5" tabindex="-1">' +
' <b>h5</b>' +
' </a>' +
' <a href="#" id="function-h6" class="minibutton function-button js-menu-close" title="Header 6" tabindex="-1">' +
' <b>h6</b>' +
' </a>' +
' </div>' +
' </div>' +
' </div>' +
' </div>' +
' </div>' +
' <div class="button-group">' +
' <a href="#" id="function-link" class="minibutton function-button" title="Link" tabindex="-1">' +
' <span class="octicon octicon-link"></span>' +
' </a>' +
' <a href="#" id="function-image" class="minibutton function-button" title="Image" tabindex="-1">' +
' <span class="octicon octicon-file-media"></span>' +
' </a>' +
' </div>' +
' <div class="button-group">' +
' <a href="#" id="function-ul" class="minibutton function-button" title="Unordered List" tabindex="-1">' +
' <span class="octicon octicon-list-unordered"></span>' +
' </a>' +
' <a href="#" id="function-ol" class="minibutton function-button" title="Ordered List" tabindex="-1">' +
' <span class="octicon octicon-list-ordered"></span>' +
' </a>' +
' <a href="#" id="function-checklist" class="minibutton function-button" title="Task List" tabindex="-1">' +
' <span class="octicon octicon-checklist"></span>' +
' </a>' +
' </div>' +
' <div class="button-group">' +
' <a href="#" id="function-code" class="minibutton function-button" title="Code" tabindex="-1">' +
' <span class="octicon octicon-code"></span>' +
' </a>' +
' <a href="#" id="function-blockquote" class="minibutton function-button" title="Blockquote" tabindex="-1">' +
' <span class="octicon octicon-quote"></span>' +
' </a>' +
' <a href="#" id="function-hr" class="minibutton function-button" title="Horizontal Rule" tabindex="-1">' +
' <span class="octicon octicon-horizontal-rule"></span>' +
' </a>' +
' <a href="#" id="function-table" class="minibutton function-button" title="Table" tabindex="-1">' +
' <span class="octicon octicon-three-bars"></span>' +
' </a>' +
' </div>' +
//' <a href="#" id="function-help" class="minibutton function-button" title="Help" tabindex="-1">' +
//' <span class="octicon octicon-question"></span>' +
//' </a>' +
' </div>' +
'</div>';
commentForm.parentNode.insertBefore(gollumEditor, commentForm.parentNode.firstChild);
Array.forEach(gollumEditor.querySelectorAll(".function-button"), function(button) {
button.addEventListener("click", function(e) {
e.preventDefault();
executeAction(MarkDown[this.id], commentForm);
return false;
});
});
});
// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/gollum.editor.js#L516
function executeAction(definitionObject, commentForm) {
var txt = commentForm.value,
selPos = {
start: commentForm.selectionStart,
end: commentForm.selectionEnd
},
selText = txt.substring(selPos.start, selPos.end),
repText = selText,
reselect = true,
cursor = null;
// execute replacement function;
if (definitionObject.exec) {
definitionObject.exec(txt, selText, function(repText) {
replaceFieldSelection(commentForm, repText);
});
return;
}
// execute a search;
var searchExp = new RegExp(definitionObject.search || /([^\n]+)/gi);
// replace text;
if (definitionObject.replace) {
var rt = definitionObject.replace;
repText = repText.replace(searchExp, rt);
repText = repText.replace(/\$[\d]/g, "");
if (repText === "") {
cursor = rt.indexOf("$1");
repText = rt.replace(/\$[\d]/g, "");
if (cursor === -1) {
cursor = Math.floor(rt.length / 2);
}
}
}
// append if necessary;
if (definitionObject.append) {
if (repText === selText) {
reselect = false;
}
repText += definitionObject.append;
}
if (repText) {
if (definitionObject.forceNewline === true && (selPos.start > 0 && txt.substr(Math.max(0, selPos.start - 1), 1) !== "\n")) {
repText = "\n" + repText;
}
replaceFieldSelection(commentForm, repText, reselect, cursor);
}
}
// Source: https://github.com/gollum/gollum/blob/9c714e768748db4560bc017cacef4afa0c751a63/lib/gollum/public/gollum/javascript/editor/gollum.editor.js#L708
function replaceFieldSelection(commentForm, replaceText, reselect, cursorOffset) {
var txt = commentForm.value,
selPos = {
start: commentForm.selectionStart,
end: commentForm.selectionEnd
};
var selectNew = true;
if (reselect === false) {
selectNew = false;
}
var scrollTop = null;
if (commentForm.scrollTop) {
scrollTop = commentForm.scrollTop;
}
commentForm.value = txt.substring(0, selPos.start) + replaceText + txt.substring(selPos.end);
commentForm.focus();
if (selectNew) {
if (cursorOffset) {
commentForm.setSelectionRange(selPos.start + cursorOffset, selPos.start + cursorOffset);
} else {
commentForm.setSelectionRange(selPos.start, selPos.start + replaceText.length);
}
}
if (scrollTop) {
commentForm.scrollTop = scrollTop;
}
}
})();