1424 lines
45 KiB
JavaScript
1424 lines
45 KiB
JavaScript
var util = {},
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re = window.RegExp,
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SETTINGS = {
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lineLength: 72
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};
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var defaultsStrings = {
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bold: "Strong <strong> Ctrl/Cmd+B",
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boldexample: "加粗文本",
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italic: "Emphasis <em> Ctrl/Cmd+I",
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italicexample: "强调文本",
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strikethrough: "Strikethrough <s> Ctrl/Cmd+I",
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strikethroughexample: "删除线文本",
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link: "Hyperlink <a> Ctrl/Cmd+L",
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linkdescription: "这里输入链接描述",
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linkdialog: "<p><b>Insert Hyperlink</b></p><p>http://example.com/ \"optional title\"</p>",
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quote: "Blockquote <blockquote> Ctrl/Cmd+Q",
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quoteexample: "块引用",
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code: "Code Sample <pre><code> Ctrl/Cmd+K",
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codeexample: "这里输入代码",
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image: "Image <img> Ctrl/Cmd+G",
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imagedescription: "输入图片说明",
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imagedialog: "<p><b>Insert Image</b></p><p>http://example.com/images/diagram.jpg \"optional title\"<br><br>Need <a href='http://www.google.com/search?q=free+image+hosting' target='_blank'>free image hosting?</a></p>",
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olist: "Numbered List <ol> Ctrl/Cmd+O",
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ulist: "Bulleted List <ul> Ctrl/Cmd+U",
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litem: "这里是列表文本",
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heading: "Heading <h1>/<h2> Ctrl/Cmd+H",
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headingexample: "标题",
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hr: "Horizontal Rule <hr> Ctrl/Cmd+R",
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undo: "Undo - Ctrl/Cmd+Z",
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redo: "Redo - Ctrl/Cmd+Y",
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help: "Markdown Editing Help",
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formulaexample: "这里输入Latex表达式",
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};
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// options, if given, can have the following properties:
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// options.helpButton = { handler: yourEventHandler }
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// options.strings = { italicexample: "slanted text" }
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// `yourEventHandler` is the click handler for the help button.
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// If `options.helpButton` isn't given, not help button is created.
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// `options.strings` can have any or all of the same properties as
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// `defaultStrings` above, so you can just override some string displayed
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// to the user on a case-by-case basis, or translate all strings to
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// a different language.
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//
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// For backwards compatibility reasons, the `options` argument can also
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// be just the `helpButton` object, and `strings.help` can also be set via
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// `helpButton.title`. This should be considered legacy.
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//
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// The constructed editor object has the methods:
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// - getConverter() returns the markdown converter object that was passed to the constructor
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// - run() actually starts the editor; should be called after all necessary plugins are registered. Calling this more than once is a no-op.
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// - refreshPreview() forces the preview to be updated. This method is only available after run() was called.
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function Pagedown(options) {
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options = options || {};
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if (typeof options.handler === "function") { //backwards compatible behavior
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options = {
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helpButton: options
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};
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}
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options.strings = options.strings || {};
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var getString = function (identifier) {
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return options.strings[identifier] || defaultsStrings[identifier];
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};
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function identity(x) {
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return x;
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}
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function returnFalse() {
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return false;
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}
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function HookCollection() { }
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HookCollection.prototype = {
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chain: function (hookname, func) {
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var original = this[hookname];
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if (!original) {
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throw new Error("unknown hook " + hookname);
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}
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if (original === identity) {
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this[hookname] = func;
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} else {
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this[hookname] = function () {
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var args = Array.prototype.slice.call(arguments, 0);
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args[0] = original.apply(null, args);
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return func.apply(null, args);
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};
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}
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},
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set: function (hookname, func) {
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if (!this[hookname]) {
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throw new Error("unknown hook " + hookname);
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}
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this[hookname] = func;
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},
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addNoop: function (hookname) {
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this[hookname] = identity;
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},
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addFalse: function (hookname) {
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this[hookname] = returnFalse;
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}
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};
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var hooks = this.hooks = new HookCollection();
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hooks.addNoop("onPreviewRefresh"); // called with no arguments after the preview has been refreshed
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hooks.addNoop("postBlockquoteCreation"); // called with the user's selection *after* the blockquote was created; should return the actual to-be-inserted text
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hooks.addFalse("insertImageDialog");
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hooks.addFalse("insertChatGptDialog");
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/* called with one parameter: a callback to be called with the URL of the image. If the application creates
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* its own image insertion dialog, this hook should return true, and the callback should be called with the chosen
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* image url (or null if the user cancelled). If this hook returns false, the default dialog will be used.
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*/
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hooks.addFalse("insertLinkDialog");
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// 插入图片占位字符
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hooks.addFalse("insertImageUploading");
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var that = this,
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input;
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this.run = function () {
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if (input)
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return; // already initialized
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input = options.input;
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var commandManager = new CommandManager(hooks, getString);
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var uiManager;
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uiManager = new UIManager(input, commandManager);
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that.uiManager = uiManager;
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};
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}
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// before: contains all the text in the input box BEFORE the selection.
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// after: contains all the text in the input box AFTER the selection.
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function Chunks() { }
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// startRegex: a regular expression to find the start tag
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// endRegex: a regular expresssion to find the end tag
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Chunks.prototype.findTags = function (startRegex, endRegex) {
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var chunkObj = this;
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var regex;
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if (startRegex) {
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regex = util.extendRegExp(startRegex, "", "$");
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this.before = this.before.replace(regex,
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function (match) {
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chunkObj.startTag = chunkObj.startTag + match;
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return "";
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});
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regex = util.extendRegExp(startRegex, "^", "");
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this.selection = this.selection.replace(regex,
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function (match) {
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chunkObj.startTag = chunkObj.startTag + match;
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return "";
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});
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}
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if (endRegex) {
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regex = util.extendRegExp(endRegex, "", "$");
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this.selection = this.selection.replace(regex,
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function (match) {
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chunkObj.endTag = match + chunkObj.endTag;
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return "";
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});
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regex = util.extendRegExp(endRegex, "^", "");
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this.after = this.after.replace(regex,
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function (match) {
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chunkObj.endTag = match + chunkObj.endTag;
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return "";
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});
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}
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};
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// If remove is false, the whitespace is transferred
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// to the before/after regions.
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//
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// If remove is true, the whitespace disappears.
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Chunks.prototype.trimWhitespace = function (remove) {
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var beforeReplacer, afterReplacer, that = this;
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if (remove) {
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beforeReplacer = afterReplacer = "";
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} else {
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beforeReplacer = function (s) {
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that.before += s;
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return "";
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};
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afterReplacer = function (s) {
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that.after = s + that.after;
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return "";
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};
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}
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this.selection = this.selection.replace(/^(\s*)/, beforeReplacer).replace(/(\s*)$/, afterReplacer);
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};
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Chunks.prototype.skipLines = function (nLinesBefore, nLinesAfter, findExtraNewlines) {
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if (nLinesBefore === undefined) {
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nLinesBefore = 1;
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}
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if (nLinesAfter === undefined) {
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nLinesAfter = 1;
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}
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nLinesBefore++;
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nLinesAfter++;
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var regexText;
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var replacementText;
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// chrome bug ... documented at: http://meta.stackoverflow.com/questions/63307/blockquote-glitch-in-editor-in-chrome-6-and-7/65985#65985
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if (navigator.userAgent.match(/Chrome/)) {
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"X".match(/()./);
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}
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this.selection = this.selection.replace(/(^\n*)/, "");
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this.startTag = this.startTag + re.$1;
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this.selection = this.selection.replace(/(\n*$)/, "");
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this.endTag = this.endTag + re.$1;
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this.startTag = this.startTag.replace(/(^\n*)/, "");
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this.before = this.before + re.$1;
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this.endTag = this.endTag.replace(/(\n*$)/, "");
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this.after = this.after + re.$1;
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if (this.before) {
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regexText = replacementText = "";
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while (nLinesBefore--) {
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regexText += "\\n?";
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replacementText += "\n";
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}
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if (findExtraNewlines) {
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regexText = "\\n*";
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}
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this.before = this.before.replace(new re(regexText + "$", ""), replacementText);
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}
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if (this.after) {
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regexText = replacementText = "";
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while (nLinesAfter--) {
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regexText += "\\n?";
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replacementText += "\n";
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}
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if (findExtraNewlines) {
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regexText = "\\n*";
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}
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this.after = this.after.replace(new re(regexText, ""), replacementText);
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}
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};
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// end of Chunks
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// Converts \r\n and \r to \n.
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util.fixEolChars = function (text) {
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text = text.replace(/\r\n/g, "\n");
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text = text.replace(/\r/g, "\n");
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return text;
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};
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// Extends a regular expression. Returns a new RegExp
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// using pre + regex + post as the expression.
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// Used in a few functions where we have a base
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// expression and we want to pre- or append some
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// conditions to it (e.g. adding "$" to the end).
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// The flags are unchanged.
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//
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// regex is a RegExp, pre and post are strings.
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util.extendRegExp = function (regex, pre, post) {
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if (pre === null || pre === undefined) {
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pre = "";
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}
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if (post === null || post === undefined) {
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post = "";
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}
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var pattern = regex.toString();
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var flags;
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// Replace the flags with empty space and store them.
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pattern = pattern.replace(/\/([gim]*)$/, function (wholeMatch, flagsPart) {
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flags = flagsPart;
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return "";
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});
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// Remove the slash delimiters on the regular expression.
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pattern = pattern.replace(/(^\/|\/$)/g, "");
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pattern = pre + pattern + post;
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return new re(pattern, flags);
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};
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// The input textarea state/contents.
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// This is used to implement undo/redo by the undo manager.
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function TextareaState(input) {
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// Aliases
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var stateObj = this;
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var inputArea = input;
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this.init = function () {
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this.setInputAreaSelectionStartEnd();
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this.text = inputArea.getContent();
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};
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// Sets the selected text in the input box after we've performed an
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// operation.
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this.setInputAreaSelection = function () {
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inputArea.focus();
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inputArea.setSelection(stateObj.start, stateObj.end);
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};
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this.setInputAreaSelectionStartEnd = function () {
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stateObj.start = Math.min(
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inputArea.selectionMgr.selectionStart,
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inputArea.selectionMgr.selectionEnd
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);
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stateObj.end = Math.max(
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inputArea.selectionMgr.selectionStart,
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inputArea.selectionMgr.selectionEnd
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);
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};
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// Restore this state into the input area.
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this.restore = function () {
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if (stateObj.text !== undefined && stateObj.text != inputArea.getContent()) {
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inputArea.setContent(stateObj.text);
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}
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this.setInputAreaSelection();
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};
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// Gets a collection of HTML chunks from the inptut textarea.
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this.getChunks = function () {
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var chunk = new Chunks();
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chunk.before = util.fixEolChars(stateObj.text.substring(0, stateObj.start));
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chunk.startTag = "";
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chunk.selection = util.fixEolChars(stateObj.text.substring(stateObj.start, stateObj.end));
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chunk.endTag = "";
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chunk.after = util.fixEolChars(stateObj.text.substring(stateObj.end));
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return chunk;
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};
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// Sets the TextareaState properties given a chunk of markdown.
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this.setChunks = function (chunk) {
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chunk.before = chunk.before + chunk.startTag;
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chunk.after = chunk.endTag + chunk.after;
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this.start = chunk.before.length;
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this.end = chunk.before.length + chunk.selection.length;
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this.text = chunk.before + chunk.selection + chunk.after;
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};
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this.init();
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}
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function UIManager(input, commandManager) {
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var inputBox = input,
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buttons = {}; // buttons.undo, buttons.link, etc. The actual DOM elements.
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makeSpritedButtonRow();
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// Perform the button's action.
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function doClick(buttonName) {
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var button = buttons[buttonName];
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if (!button) {
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return;
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}
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inputBox.focus();
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var linkOrImage = button === buttons.link || button.id === buttons.image;
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var state = new TextareaState(input);
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if (!state) {
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return;
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}
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var chunks = state.getChunks();
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// Some commands launch a "modal" prompt dialog. Javascript
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// can't really make a modal dialog box and the WMD code
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// will continue to execute while the dialog is displayed.
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// This prevents the dialog pattern I'm used to and means
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// I can't do something like this:
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//
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// var link = CreateLinkDialog();
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// makeMarkdownLink(link);
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//
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// Instead of this straightforward method of handling a
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// dialog I have to pass any code which would execute
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// after the dialog is dismissed (e.g. link creation)
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// in a function parameter.
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//
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// Yes this is awkward and I think it sucks, but there's
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// no real workaround. Only the image and link code
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// create dialogs and require the function pointers.
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var fixupInputArea = function () {
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inputBox.focus();
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if (chunks) {
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state.setChunks(chunks);
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}
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state.restore();
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};
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var noCleanup = button(chunks, fixupInputArea);
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if (!noCleanup) {
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fixupInputArea();
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if (!linkOrImage) {
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inputBox.adjustCursorPosition();
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}
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}
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}
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function bindCommand(method) {
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if (typeof method === "string")
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method = commandManager[method];
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return function () {
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method.apply(commandManager, arguments);
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};
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}
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function makeSpritedButtonRow() {
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buttons.bold = bindCommand("doBold");
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buttons.italic = bindCommand("doItalic");
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buttons.strikethrough = bindCommand("doStrikethrough");
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buttons.inlineformula = bindCommand("doInlinkeFormula");
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buttons.imageUploading = bindCommand("doImageUploading");
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buttons.link = bindCommand(function (chunk, postProcessing) {
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return this.doLinkOrImage(chunk, postProcessing, false);
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});
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buttons.quote = bindCommand("doBlockquote");
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buttons.code = bindCommand("doCode");
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buttons.image = bindCommand(function (chunk, postProcessing) {
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return this.doLinkOrImage(chunk, postProcessing, true);
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});
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buttons.chatgpt = bindCommand("doChatGpt");
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buttons.olist = bindCommand(function (chunk, postProcessing) {
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this.doList(chunk, postProcessing, true);
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});
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buttons.ulist = bindCommand(function (chunk, postProcessing) {
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this.doList(chunk, postProcessing, false);
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});
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buttons.clist = bindCommand(function (chunk, postProcessing) {
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this.doList(chunk, postProcessing, false, true);
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});
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buttons.heading = bindCommand("doHeading");
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buttons.hr = bindCommand("doHorizontalRule");
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buttons.table = bindCommand("doTable");
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}
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this.doClick = doClick;
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}
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function CommandManager(pluginHooks, getString) {
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this.hooks = pluginHooks;
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this.getString = getString;
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}
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var commandProto = CommandManager.prototype;
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// The markdown symbols - 4 spaces = code, > = blockquote, etc.
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commandProto.prefixes = "(?:\\s{4,}|\\s*>|\\s*-\\s+|\\s*\\d+\\.|=|\\+|-|_|\\*|#|\\s*\\[[^\n]]+\\]:)";
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// Remove markdown symbols from the chunk selection.
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commandProto.unwrap = function (chunk) {
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var txt = new re("([^\\n])\\n(?!(\\n|" + this.prefixes + "))", "g");
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chunk.selection = chunk.selection.replace(txt, "$1 $2");
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};
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commandProto.wrap = function (chunk, len) {
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this.unwrap(chunk);
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var regex = new re("(.{1," + len + "})( +|$\\n?)", "gm"),
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that = this;
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chunk.selection = chunk.selection.replace(regex, function (line, marked) {
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if (new re("^" + that.prefixes, "").test(line)) {
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return line;
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}
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return marked + "\n";
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});
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chunk.selection = chunk.selection.replace(/\s+$/, "");
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};
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commandProto.doBold = function (chunk, postProcessing) {
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return this.doBorI(chunk, postProcessing, 2, this.getString("boldexample"));
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};
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commandProto.doItalic = function (chunk, postProcessing) {
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return this.doBorI(chunk, postProcessing, 1, this.getString("italicexample"));
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};
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// chunk: The selected region that will be enclosed with */**
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// nStars: 1 for italics, 2 for bold
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// insertText: If you just click the button without highlighting text, this gets inserted
|
|
commandProto.doBorI = function (chunk, postProcessing, nStars, insertText) {
|
|
|
|
// Get rid of whitespace and fixup newlines.
|
|
chunk.trimWhitespace();
|
|
chunk.selection = chunk.selection.replace(/\n{2,}/g, "\n");
|
|
|
|
// Look for stars before and after. Is the chunk already marked up?
|
|
// note that these regex matches cannot fail
|
|
var starsBefore = /(\**$)/.exec(chunk.before)[0];
|
|
var starsAfter = /(^\**)/.exec(chunk.after)[0];
|
|
|
|
var prevStars = Math.min(starsBefore.length, starsAfter.length);
|
|
|
|
// Remove stars if we have to since the button acts as a toggle.
|
|
if ((prevStars >= nStars) && (prevStars != 2 || nStars != 1)) {
|
|
chunk.before = chunk.before.replace(re("[*]{" + nStars + "}$", ""), "");
|
|
chunk.after = chunk.after.replace(re("^[*]{" + nStars + "}", ""), "");
|
|
} else if (!chunk.selection && starsAfter) {
|
|
// It's not really clear why this code is necessary. It just moves
|
|
// some arbitrary stuff around.
|
|
chunk.after = chunk.after.replace(/^([*_]*)/, "");
|
|
chunk.before = chunk.before.replace(/(\s?)$/, "");
|
|
var whitespace = re.$1;
|
|
chunk.before = chunk.before + starsAfter + whitespace;
|
|
} else {
|
|
|
|
// In most cases, if you don't have any selected text and click the button
|
|
// you'll get a selected, marked up region with the default text inserted.
|
|
if (!chunk.selection && !starsAfter) {
|
|
chunk.selection = insertText;
|
|
}
|
|
|
|
// Add the true markup.
|
|
var markup = nStars <= 1 ? "*" : "**"; // shouldn't the test be = ?
|
|
chunk.before = chunk.before + markup;
|
|
chunk.after = markup + chunk.after;
|
|
}
|
|
|
|
return;
|
|
};
|
|
|
|
commandProto.doStrikethrough = function (chunk, postProcessing) {
|
|
|
|
// Get rid of whitespace and fixup newlines.
|
|
chunk.trimWhitespace();
|
|
chunk.selection = chunk.selection.replace(/\n{2,}/g, "\n");
|
|
|
|
// Look for stars before and after. Is the chunk already marked up?
|
|
// note that these regex matches cannot fail
|
|
var starsBefore = /(~*$)/.exec(chunk.before)[0];
|
|
var starsAfter = /(^~*)/.exec(chunk.after)[0];
|
|
|
|
var prevStars = Math.min(starsBefore.length, starsAfter.length);
|
|
|
|
var nStars = 2;
|
|
|
|
// Remove stars if we have to since the button acts as a toggle.
|
|
if ((prevStars >= nStars) && (prevStars != 2 || nStars != 1)) {
|
|
chunk.before = chunk.before.replace(re("[~]{" + nStars + "}$", ""), "");
|
|
chunk.after = chunk.after.replace(re("^[~]{" + nStars + "}", ""), "");
|
|
} else if (!chunk.selection && starsAfter) {
|
|
// It's not really clear why this code is necessary. It just moves
|
|
// some arbitrary stuff around.
|
|
chunk.after = chunk.after.replace(/^(~*)/, "");
|
|
chunk.before = chunk.before.replace(/(\s?)$/, "");
|
|
var whitespace = re.$1;
|
|
chunk.before = chunk.before + starsAfter + whitespace;
|
|
} else {
|
|
|
|
// In most cases, if you don't have any selected text and click the button
|
|
// you'll get a selected, marked up region with the default text inserted.
|
|
if (!chunk.selection && !starsAfter) {
|
|
chunk.selection = this.getString("strikethroughexample");
|
|
}
|
|
|
|
// Add the true markup.
|
|
var markup = "~~"; // shouldn't the test be = ?
|
|
chunk.before = chunk.before + markup;
|
|
chunk.after = markup + chunk.after;
|
|
}
|
|
|
|
return;
|
|
};
|
|
|
|
commandProto.doInlinkeFormula = function (chunk, postProcessing) {
|
|
|
|
// Get rid of whitespace and fixup newlines.
|
|
chunk.trimWhitespace();
|
|
chunk.selection = chunk.selection.replace(/\n{2,}/g, "\n");
|
|
|
|
// Look for stars before and after. Is the chunk already marked up?
|
|
// note that these regex matches cannot fail
|
|
var starsBefore = /(\$*$)/.exec(chunk.before)[0];
|
|
var starsAfter = /(^\$*)/.exec(chunk.after)[0];
|
|
|
|
var prevStars = Math.min(starsBefore.length, starsAfter.length);
|
|
|
|
var nStars = 2;
|
|
|
|
// Remove stars if we have to since the button acts as a toggle.
|
|
if ((prevStars >= nStars) && (prevStars != 2 || nStars != 1)) {
|
|
chunk.before = chunk.before.replace(re("[\$]{" + nStars + "}$", ""), "");
|
|
chunk.after = chunk.after.replace(re("^[\$]{" + nStars + "}", ""), "");
|
|
} else if (!chunk.selection && starsAfter) {
|
|
// It's not really clear why this code is necessary. It just moves
|
|
// some arbitrary stuff around.
|
|
chunk.after = chunk.after.replace(/^(\$*)/, "");
|
|
chunk.before = chunk.before.replace(/(\s?)$/, "");
|
|
var whitespace = re.$1;
|
|
chunk.before = chunk.before + starsAfter + whitespace;
|
|
} else {
|
|
|
|
// In most cases, if you don't have any selected text and click the button
|
|
// you'll get a selected, marked up region with the default text inserted.
|
|
if (!chunk.selection && !starsAfter) {
|
|
chunk.selection = this.getString("formulaexample");
|
|
}
|
|
|
|
// Add the true markup.
|
|
var markup = "$"; // shouldn't the test be = ?
|
|
chunk.before = chunk.before + markup;
|
|
chunk.after = markup + chunk.after;
|
|
}
|
|
|
|
return;
|
|
};
|
|
|
|
commandProto.doImageUploading = function (chunk, postProcessing) {
|
|
var enteredCallback = function (imgId) {
|
|
if (imgId !== null) {
|
|
chunk.before = `${chunk.before}[图片上传中...(image-${imgId})]`;
|
|
chunk.selection = '';
|
|
}
|
|
postProcessing();
|
|
};
|
|
this.hooks.insertImageUploading(enteredCallback);
|
|
}
|
|
|
|
commandProto.stripLinkDefs = function (text, defsToAdd) {
|
|
|
|
text = text.replace(/^[ ]{0,3}\[(\d+)\]:[ \t]*\n?[ \t]*<?(\S+?)>?[ \t]*\n?[ \t]*(?:(\n*)["(](.+?)[")][ \t]*)?(?:\n+|$)/gm,
|
|
function (totalMatch, id, link, newlines, title) {
|
|
defsToAdd[id] = totalMatch.replace(/\s*$/, "");
|
|
if (newlines) {
|
|
// Strip the title and return that separately.
|
|
defsToAdd[id] = totalMatch.replace(/["(](.+?)[")]$/, "");
|
|
return newlines + title;
|
|
}
|
|
return "";
|
|
});
|
|
|
|
return text;
|
|
};
|
|
|
|
commandProto.addLinkDef = function (chunk, linkDef) {
|
|
|
|
var refNumber = 0; // The current reference number
|
|
var defsToAdd = {}; //
|
|
// Start with a clean slate by removing all previous link definitions.
|
|
chunk.before = this.stripLinkDefs(chunk.before, defsToAdd);
|
|
chunk.selection = this.stripLinkDefs(chunk.selection, defsToAdd);
|
|
chunk.after = this.stripLinkDefs(chunk.after, defsToAdd);
|
|
|
|
var defs = "";
|
|
var regex = /(\[)((?:\[[^\]]*\]|[^\[\]])*)(\][ ]?(?:\n[ ]*)?\[)(\d+)(\])/g;
|
|
|
|
var addDefNumber = function (def) {
|
|
refNumber++;
|
|
def = def.replace(/^[ ]{0,3}\[(\d+)\]:/, " [" + refNumber + "]:");
|
|
defs += "\n" + def;
|
|
};
|
|
|
|
// note that
|
|
// a) the recursive call to getLink cannot go infinite, because by definition
|
|
// of regex, inner is always a proper substring of wholeMatch, and
|
|
// b) more than one level of nesting is neither supported by the regex
|
|
// nor making a lot of sense (the only use case for nesting is a linked image)
|
|
var getLink = function (wholeMatch, before, inner, afterInner, id, end) {
|
|
inner = inner.replace(regex, getLink);
|
|
if (defsToAdd[id]) {
|
|
addDefNumber(defsToAdd[id]);
|
|
return before + inner + afterInner + refNumber + end;
|
|
}
|
|
return wholeMatch;
|
|
};
|
|
|
|
chunk.before = chunk.before.replace(regex, getLink);
|
|
|
|
if (linkDef) {
|
|
addDefNumber(linkDef);
|
|
} else {
|
|
chunk.selection = chunk.selection.replace(regex, getLink);
|
|
}
|
|
|
|
var refOut = refNumber;
|
|
|
|
chunk.after = chunk.after.replace(regex, getLink);
|
|
|
|
if (chunk.after) {
|
|
chunk.after = chunk.after.replace(/\n*$/, "");
|
|
}
|
|
if (!chunk.after) {
|
|
chunk.selection = chunk.selection.replace(/\n*$/, "");
|
|
}
|
|
|
|
chunk.after += "\n\n" + defs;
|
|
|
|
return refOut;
|
|
};
|
|
|
|
// takes the line as entered into the add link/as image dialog and makes
|
|
// sure the URL and the optinal title are "nice".
|
|
function properlyEncoded(linkdef) {
|
|
return linkdef.replace(/^\s*(.*?)(?:\s+"(.+)")?\s*$/, function (wholematch, link, title) {
|
|
link = link.replace(/\?.*$/, function (querypart) {
|
|
return querypart.replace(/\+/g, " "); // in the query string, a plus and a space are identical
|
|
});
|
|
link = decodeURIComponent(link); // unencode first, to prevent double encoding
|
|
link = encodeURI(link).replace(/'/g, '%27').replace(/\(/g, '%28').replace(/\)/g, '%29');
|
|
link = link.replace(/\?.*$/, function (querypart) {
|
|
return querypart.replace(/\+/g, "%2b"); // since we replaced plus with spaces in the query part, all pluses that now appear where originally encoded
|
|
});
|
|
if (title) {
|
|
title = title.trim ? title.trim() : title.replace(/^\s*/, "").replace(/\s*$/, "");
|
|
title = title.replace(/"/g, "quot;").replace(/\(/g, "(").replace(/\)/g, ")").replace(/</g, "<").replace(/>/g, ">");
|
|
}
|
|
return title ? link + ' "' + title + '"' : link;
|
|
});
|
|
}
|
|
|
|
commandProto.doLinkOrImage = function (chunk, postProcessing, isImage) {
|
|
|
|
chunk.trimWhitespace();
|
|
//chunk.findTags(/\s*!?\[/, /\][ ]?(?:\n[ ]*)?(\[.*?\])?/);
|
|
chunk.findTags(/\s*!?\[/, /\][ ]?(?:\n[ ]*)?(\(.*?\))?/);
|
|
|
|
if (chunk.endTag.length > 1 && chunk.startTag.length > 0) {
|
|
|
|
chunk.startTag = chunk.startTag.replace(/!?\[/, "");
|
|
chunk.endTag = "";
|
|
this.addLinkDef(chunk, null);
|
|
|
|
} else {
|
|
|
|
// We're moving start and end tag back into the selection, since (as we're in the else block) we're not
|
|
// *removing* a link, but *adding* one, so whatever findTags() found is now back to being part of the
|
|
// link text. linkEnteredCallback takes care of escaping any brackets.
|
|
chunk.selection = chunk.startTag + chunk.selection + chunk.endTag;
|
|
chunk.startTag = chunk.endTag = "";
|
|
|
|
if (/\n\n/.test(chunk.selection)) {
|
|
this.addLinkDef(chunk, null);
|
|
return;
|
|
}
|
|
var that = this;
|
|
// The function to be executed when you enter a link and press OK or Cancel.
|
|
// Marks up the link and adds the ref.
|
|
var linkEnteredCallback = function (link) {
|
|
|
|
if (link !== null) {
|
|
// ( $1
|
|
// [^\\] anything that's not a backslash
|
|
// (?:\\\\)* an even number (this includes zero) of backslashes
|
|
// )
|
|
// (?= followed by
|
|
// [[\]] an opening or closing bracket
|
|
// )
|
|
//
|
|
// In other words, a non-escaped bracket. These have to be escaped now to make sure they
|
|
// don't count as the end of the link or similar.
|
|
// Note that the actual bracket has to be a lookahead, because (in case of to subsequent brackets),
|
|
// the bracket in one match may be the "not a backslash" character in the next match, so it
|
|
// should not be consumed by the first match.
|
|
// The "prepend a space and finally remove it" steps makes sure there is a "not a backslash" at the
|
|
// start of the string, so this also works if the selection begins with a bracket. We cannot solve
|
|
// this by anchoring with ^, because in the case that the selection starts with two brackets, this
|
|
// would mean a zero-width match at the start. Since zero-width matches advance the string position,
|
|
// the first bracket could then not act as the "not a backslash" for the second.
|
|
chunk.selection = (" " + chunk.selection).replace(/([^\\](?:\\\\)*)(?=[[\]])/g, "$1\\").substr(1);
|
|
|
|
/*
|
|
var linkDef = " [999]: " + properlyEncoded(link);
|
|
|
|
var num = that.addLinkDef(chunk, linkDef);
|
|
*/
|
|
chunk.startTag = isImage ? "![" : "[";
|
|
//chunk.endTag = "][" + num + "]";
|
|
chunk.endTag = "](" + properlyEncoded(link) + ")";
|
|
|
|
if (!chunk.selection) {
|
|
if (isImage) {
|
|
chunk.selection = that.getString("imagedescription");
|
|
} else {
|
|
chunk.selection = that.getString("linkdescription");
|
|
}
|
|
}
|
|
}
|
|
postProcessing();
|
|
};
|
|
|
|
if (isImage) {
|
|
this.hooks.insertImageDialog(linkEnteredCallback);
|
|
} else {
|
|
this.hooks.insertLinkDialog(linkEnteredCallback);
|
|
}
|
|
return true;
|
|
}
|
|
};
|
|
|
|
commandProto.doChatGpt = function (chunk, postProcessing) {
|
|
var enteredCallback = function (content) {
|
|
if (content !== null) {
|
|
chunk.before = `${chunk.before}${content}`;
|
|
chunk.selection = '';
|
|
}
|
|
postProcessing();
|
|
};
|
|
this.hooks.insertChatGptDialog(enteredCallback);
|
|
};
|
|
|
|
// When making a list, hitting shift-enter will put your cursor on the next line
|
|
// at the current indent level.
|
|
commandProto.doAutoindent = function (chunk) {
|
|
|
|
var commandMgr = this,
|
|
fakeSelection = false;
|
|
|
|
chunk.before = chunk.before.replace(/(\n|^)[ ]{0,3}([*+-]|\d+[.])[ \t]*\n$/, "\n\n");
|
|
chunk.before = chunk.before.replace(/(\n|^)[ ]{0,3}>[ \t]*\n$/, "\n\n");
|
|
chunk.before = chunk.before.replace(/(\n|^)[ \t]+\n$/, "\n\n");
|
|
|
|
// There's no selection, end the cursor wasn't at the end of the line:
|
|
// The user wants to split the current list item / code line / blockquote line
|
|
// (for the latter it doesn't really matter) in two. Temporarily select the
|
|
// (rest of the) line to achieve this.
|
|
if (!chunk.selection && !/^[ \t]*(?:\n|$)/.test(chunk.after)) {
|
|
chunk.after = chunk.after.replace(/^[^\n]*/, function (wholeMatch) {
|
|
chunk.selection = wholeMatch;
|
|
return "";
|
|
});
|
|
fakeSelection = true;
|
|
}
|
|
|
|
if (/(\n|^)[ ]{0,3}([*+-]|\d+[.])[ \t]+.*\n$/.test(chunk.before)) {
|
|
if (commandMgr.doList) {
|
|
commandMgr.doList(chunk);
|
|
}
|
|
}
|
|
if (/(\n|^)[ ]{0,3}>[ \t]+.*\n$/.test(chunk.before)) {
|
|
if (commandMgr.doBlockquote) {
|
|
commandMgr.doBlockquote(chunk);
|
|
}
|
|
}
|
|
if (/(\n|^)(\t|[ ]{4,}).*\n$/.test(chunk.before)) {
|
|
if (commandMgr.doCode) {
|
|
commandMgr.doCode(chunk);
|
|
}
|
|
}
|
|
|
|
if (fakeSelection) {
|
|
chunk.after = chunk.selection + chunk.after;
|
|
chunk.selection = "";
|
|
}
|
|
};
|
|
|
|
commandProto.doBlockquote = function (chunk) {
|
|
|
|
chunk.selection = chunk.selection.replace(/^(\n*)([^\r]+?)(\n*)$/,
|
|
function (totalMatch, newlinesBefore, text, newlinesAfter) {
|
|
chunk.before += newlinesBefore;
|
|
chunk.after = newlinesAfter + chunk.after;
|
|
return text;
|
|
});
|
|
|
|
chunk.before = chunk.before.replace(/(>[ \t]*)$/,
|
|
function (totalMatch, blankLine) {
|
|
chunk.selection = blankLine + chunk.selection;
|
|
return "";
|
|
});
|
|
|
|
chunk.selection = chunk.selection.replace(/^(\s|>)+$/, "");
|
|
chunk.selection = chunk.selection || this.getString("quoteexample");
|
|
|
|
// The original code uses a regular expression to find out how much of the
|
|
// text *directly before* the selection already was a blockquote:
|
|
|
|
/*
|
|
if (chunk.before) {
|
|
chunk.before = chunk.before.replace(/\n?$/, "\n");
|
|
}
|
|
chunk.before = chunk.before.replace(/(((\n|^)(\n[ \t]*)*>(.+\n)*.*)+(\n[ \t]*)*$)/,
|
|
function (totalMatch) {
|
|
chunk.startTag = totalMatch;
|
|
return "";
|
|
});
|
|
*/
|
|
|
|
// This comes down to:
|
|
// Go backwards as many lines a possible, such that each line
|
|
// a) starts with ">", or
|
|
// b) is almost empty, except for whitespace, or
|
|
// c) is preceeded by an unbroken chain of non-empty lines
|
|
// leading up to a line that starts with ">" and at least one more character
|
|
// and in addition
|
|
// d) at least one line fulfills a)
|
|
//
|
|
// Since this is essentially a backwards-moving regex, it's susceptible to
|
|
// catstrophic backtracking and can cause the browser to hang;
|
|
// see e.g. http://meta.stackoverflow.com/questions/9807.
|
|
//
|
|
// Hence we replaced this by a simple state machine that just goes through the
|
|
// lines and checks for a), b), and c).
|
|
|
|
var match = "",
|
|
leftOver = "",
|
|
line;
|
|
if (chunk.before) {
|
|
var lines = chunk.before.replace(/\n$/, "").split("\n");
|
|
var inChain = false;
|
|
for (var i = 0; i < lines.length; i++) {
|
|
var good = false;
|
|
line = lines[i];
|
|
inChain = inChain && line.length > 0; // c) any non-empty line continues the chain
|
|
if (/^>/.test(line)) { // a)
|
|
good = true;
|
|
if (!inChain && line.length > 1) // c) any line that starts with ">" and has at least one more character starts the chain
|
|
inChain = true;
|
|
} else if (/^[ \t]*$/.test(line)) { // b)
|
|
good = true;
|
|
} else {
|
|
good = inChain; // c) the line is not empty and does not start with ">", so it matches if and only if we're in the chain
|
|
}
|
|
if (good) {
|
|
match += line + "\n";
|
|
} else {
|
|
leftOver += match + line;
|
|
match = "\n";
|
|
}
|
|
}
|
|
if (!/(^|\n)>/.test(match)) { // d)
|
|
leftOver += match;
|
|
match = "";
|
|
}
|
|
}
|
|
|
|
chunk.startTag = match;
|
|
chunk.before = leftOver;
|
|
|
|
// end of change
|
|
|
|
if (chunk.after) {
|
|
chunk.after = chunk.after.replace(/^\n?/, "\n");
|
|
}
|
|
|
|
chunk.after = chunk.after.replace(/^(((\n|^)(\n[ \t]*)*>(.+\n)*.*)+(\n[ \t]*)*)/,
|
|
function (totalMatch) {
|
|
chunk.endTag = totalMatch;
|
|
return "";
|
|
}
|
|
);
|
|
|
|
var replaceBlanksInTags = function (useBracket) {
|
|
|
|
var replacement = useBracket ? "> " : "";
|
|
|
|
if (chunk.startTag) {
|
|
chunk.startTag = chunk.startTag.replace(/\n((>|\s)*)\n$/,
|
|
function (totalMatch, markdown) {
|
|
return "\n" + markdown.replace(/^[ ]{0,3}>?[ \t]*$/gm, replacement) + "\n";
|
|
});
|
|
}
|
|
if (chunk.endTag) {
|
|
chunk.endTag = chunk.endTag.replace(/^\n((>|\s)*)\n/,
|
|
function (totalMatch, markdown) {
|
|
return "\n" + markdown.replace(/^[ ]{0,3}>?[ \t]*$/gm, replacement) + "\n";
|
|
});
|
|
}
|
|
};
|
|
|
|
if (/^(?![ ]{0,3}>)/m.test(chunk.selection)) {
|
|
this.wrap(chunk, SETTINGS.lineLength - 2);
|
|
chunk.selection = chunk.selection.replace(/^/gm, "> ");
|
|
replaceBlanksInTags(true);
|
|
chunk.skipLines();
|
|
} else {
|
|
chunk.selection = chunk.selection.replace(/^[ ]{0,3}> ?/gm, "");
|
|
this.unwrap(chunk);
|
|
replaceBlanksInTags(false);
|
|
|
|
if (!/^(\n|^)[ ]{0,3}>/.test(chunk.selection) && chunk.startTag) {
|
|
chunk.startTag = chunk.startTag.replace(/\n{0,2}$/, "\n\n");
|
|
}
|
|
|
|
if (!/(\n|^)[ ]{0,3}>.*$/.test(chunk.selection) && chunk.endTag) {
|
|
chunk.endTag = chunk.endTag.replace(/^\n{0,2}/, "\n\n");
|
|
}
|
|
}
|
|
|
|
chunk.selection = this.hooks.postBlockquoteCreation(chunk.selection);
|
|
|
|
if (!/\n/.test(chunk.selection)) {
|
|
chunk.selection = chunk.selection.replace(/^(> *)/,
|
|
function (wholeMatch, blanks) {
|
|
chunk.startTag += blanks;
|
|
return "";
|
|
});
|
|
}
|
|
};
|
|
|
|
commandProto.doCode = function (chunk) {
|
|
|
|
var hasTextBefore = /\S[ ]*$/.test(chunk.before);
|
|
var hasTextAfter = /^[ ]*\S/.test(chunk.after);
|
|
|
|
// Use 'four space' markdown if the selection is on its own
|
|
// line or is multiline.
|
|
if ((!hasTextAfter && !hasTextBefore) || /\n/.test(chunk.selection)) {
|
|
if (/[\n]+```\n$/.test(chunk.before) && /^\n```[ ]*\n/.test(chunk.after)) {
|
|
chunk.before = chunk.before.replace(/```\n$/, "");
|
|
chunk.after = chunk.after.replace(/^\n```/, "");
|
|
} else {
|
|
chunk.before += '```\n';
|
|
chunk.after = '\n```' + chunk.after;
|
|
}
|
|
if (!chunk.selection) {
|
|
chunk.selection = this.getString("codeexample");
|
|
}
|
|
} else {
|
|
// Use backticks (`) to delimit the code block.
|
|
|
|
chunk.trimWhitespace();
|
|
chunk.findTags(/`/, /`/);
|
|
|
|
if (!chunk.startTag && !chunk.endTag) {
|
|
chunk.startTag = chunk.endTag = "`";
|
|
if (!chunk.selection) {
|
|
chunk.selection = this.getString("codeexample");
|
|
}
|
|
} else if (chunk.endTag && !chunk.startTag) {
|
|
chunk.before += chunk.endTag;
|
|
chunk.endTag = "";
|
|
} else {
|
|
chunk.startTag = chunk.endTag = "";
|
|
}
|
|
}
|
|
};
|
|
|
|
commandProto.doList = function (chunk, postProcessing, isNumberedList, isCheckList) {
|
|
|
|
// These are identical except at the very beginning and end.
|
|
// Should probably use the regex extension function to make this clearer.
|
|
var previousItemsRegex = /(\n|^)(([ ]{0,3}([*+-]|\d+[.])[ \t]+.*)(\n.+|\n{2,}([*+-].*|\d+[.])[ \t]+.*|\n{2,}[ \t]+\S.*)*)\n*$/;
|
|
var nextItemsRegex = /^\n*(([ ]{0,3}([*+-]|\d+[.])[ \t]+.*)(\n.+|\n{2,}([*+-].*|\d+[.])[ \t]+.*|\n{2,}[ \t]+\S.*)*)\n*/;
|
|
|
|
// The default bullet is a dash but others are possible.
|
|
// This has nothing to do with the particular HTML bullet,
|
|
// it's just a markdown bullet.
|
|
var bullet = "-";
|
|
|
|
// The number in a numbered list.
|
|
var num = 1;
|
|
|
|
// Get the item prefix - e.g. " 1. " for a numbered list, " - " for a bulleted list.
|
|
var getItemPrefix = function (checkListContent) {
|
|
var prefix;
|
|
if (isNumberedList) {
|
|
prefix = " " + num + ". ";
|
|
num++;
|
|
} else {
|
|
prefix = " " + bullet + " ";
|
|
if (isCheckList) {
|
|
prefix += '[';
|
|
prefix += checkListContent || ' ';
|
|
prefix += '] ';
|
|
}
|
|
}
|
|
return prefix;
|
|
};
|
|
|
|
// Fixes the prefixes of the other list items.
|
|
var getPrefixedItem = function (itemText) {
|
|
|
|
// The numbering flag is unset when called by autoindent.
|
|
if (isNumberedList === undefined) {
|
|
isNumberedList = /^\s*\d/.test(itemText);
|
|
}
|
|
|
|
// Renumber/bullet the list element.
|
|
itemText = itemText.replace(isCheckList
|
|
? /^[ ]{0,3}([*+-]|\d+[.])\s+\[([ xX])\]\s/gm
|
|
: /^[ ]{0,3}([*+-]|\d+[.])\s/gm,
|
|
function (match, p1, p2) {
|
|
return getItemPrefix(p2);
|
|
});
|
|
|
|
return itemText;
|
|
};
|
|
|
|
chunk.findTags(/(\n|^)*[ ]{0,3}([*+-]|\d+[.])\s+/, null);
|
|
|
|
if (chunk.before && !/\n$/.test(chunk.before) && !/^\n/.test(chunk.startTag)) {
|
|
chunk.before += chunk.startTag;
|
|
chunk.startTag = "";
|
|
}
|
|
|
|
if (chunk.startTag) {
|
|
|
|
var hasDigits = /\d+[.]/.test(chunk.startTag);
|
|
chunk.startTag = "";
|
|
chunk.selection = chunk.selection.replace(/\n[ ]{4}/g, "\n");
|
|
this.unwrap(chunk);
|
|
chunk.skipLines();
|
|
|
|
if (hasDigits) {
|
|
// Have to renumber the bullet points if this is a numbered list.
|
|
chunk.after = chunk.after.replace(nextItemsRegex, getPrefixedItem);
|
|
}
|
|
if (isNumberedList == hasDigits) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
var nLinesUp = 1;
|
|
|
|
chunk.before = chunk.before.replace(previousItemsRegex,
|
|
function (itemText) {
|
|
if (/^\s*([*+-])/.test(itemText)) {
|
|
bullet = re.$1;
|
|
}
|
|
nLinesUp = /[^\n]\n\n[^\n]/.test(itemText) ? 1 : 0;
|
|
return getPrefixedItem(itemText);
|
|
});
|
|
|
|
if (!chunk.selection) {
|
|
chunk.selection = this.getString("litem");
|
|
}
|
|
|
|
var prefix = getItemPrefix();
|
|
|
|
var nLinesDown = 1;
|
|
|
|
chunk.after = chunk.after.replace(nextItemsRegex,
|
|
function (itemText) {
|
|
nLinesDown = /[^\n]\n\n[^\n]/.test(itemText) ? 1 : 0;
|
|
return getPrefixedItem(itemText);
|
|
});
|
|
|
|
chunk.trimWhitespace(true);
|
|
chunk.skipLines(nLinesUp, nLinesDown, true);
|
|
chunk.startTag = prefix;
|
|
var spaces = prefix.replace(/./g, " ");
|
|
this.wrap(chunk, SETTINGS.lineLength - spaces.length);
|
|
chunk.selection = chunk.selection.replace(/\n/g, "\n" + spaces);
|
|
|
|
};
|
|
|
|
commandProto.doTable = function (chunk) {
|
|
// Credit: https://github.com/fcrespo82/atom-markdown-table-formatter
|
|
|
|
var keepFirstAndLastPipes = true,
|
|
/*
|
|
( # header capture
|
|
(?:
|
|
(?:[^\n]*?\|[^\n]*) # line w/ at least one pipe
|
|
\ * # maybe trailing whitespace
|
|
)? # maybe header
|
|
(?:\n|^) # newline
|
|
)
|
|
( # format capture
|
|
(?:
|
|
\|\ *:?-+:?\ * # format starting w/pipe
|
|
|\|?(?:\ *:?-+:?\ *\|)+ # or separated by pipe
|
|
)
|
|
(?:\ *:?-+:?\ *)? # maybe w/o trailing pipe
|
|
\ * # maybe trailing whitespace
|
|
\n # newline
|
|
)
|
|
( # body capture
|
|
(?:
|
|
(?:[^\n]*?\|[^\n]*) # line w/ at least one pipe
|
|
\ * # maybe trailing whitespace
|
|
(?:\n|$) # newline
|
|
)+ # at least one
|
|
)
|
|
*/
|
|
regex = /((?:(?:[^\n]*?\|[^\n]*) *)?(?:\r?\n|^))((?:\| *:?-+:? *|\|?(?: *:?-+:? *\|)+)(?: *:?-+:? *)? *\r?\n)((?:(?:[^\n]*?\|[^\n]*) *(?:\r?\n|$))+)/;
|
|
|
|
|
|
function padding(len, str) {
|
|
var result = '';
|
|
str = str || ' ';
|
|
len = Math.floor(len);
|
|
for (var i = 0; i < len; i++) {
|
|
result += str;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function stripTailPipes(str) {
|
|
return str.trim().replace(/(^\||\|$)/g, "");
|
|
}
|
|
|
|
function splitCells(str) {
|
|
return str.split('|');
|
|
}
|
|
|
|
function addTailPipes(str) {
|
|
if (keepFirstAndLastPipes) {
|
|
return "|" + str + "|";
|
|
} else {
|
|
return str;
|
|
}
|
|
}
|
|
|
|
function joinCells(arr) {
|
|
return arr.join('|');
|
|
}
|
|
|
|
function formatTable(text, appendNewline) {
|
|
var i, j, len1, ref1, ref2, ref3, k, len2, results, formatline, headerline, just, formatrow, data, line, lines, justify, cell, cells, first, last, ends, columns, content, widths, formatted, front, back;
|
|
formatline = text[2].trim();
|
|
headerline = text[1].trim();
|
|
ref1 = headerline.length === 0 ? [0, text[3]] : [1, text[1] + text[3]], formatrow = ref1[0], data = ref1[1];
|
|
lines = data.trim().split('\n');
|
|
justify = [];
|
|
ref2 = splitCells(stripTailPipes(formatline));
|
|
for (j = 0, len1 = ref2.length; j < len1; j++) {
|
|
cell = ref2[j];
|
|
ref3 = cell.trim(), first = ref3[0], last = ref3[ref3.length - 1];
|
|
switch ((ends = (first ? first : ':') + (last ? last : ''))) {
|
|
case '::':
|
|
case '-:':
|
|
case ':-':
|
|
justify.push(ends);
|
|
break;
|
|
default:
|
|
justify.push('--');
|
|
}
|
|
}
|
|
columns = justify.length;
|
|
content = [];
|
|
for (j = 0, len1 = lines.length; j < len1; j++) {
|
|
line = lines[j];
|
|
cells = splitCells(stripTailPipes(line));
|
|
cells[columns - 1] = joinCells(cells.slice(columns - 1));
|
|
results = [];
|
|
for (k = 0, len2 = cells.length; k < len2; k++) {
|
|
cell = cells[k];
|
|
results.push(padding(' ') + ((ref2 = cell ? typeof cell.trim === "function" ? cell.trim() : void 0 : void 0) ? ref2 : '') + padding(' '));
|
|
}
|
|
content.push(results);
|
|
}
|
|
widths = [];
|
|
for (i = j = 0, ref2 = columns - 1; 0 <= ref2 ? j <= ref2 : j >= ref2; i = 0 <= ref2 ? ++j : --j) {
|
|
results = [];
|
|
for (k = 0, len1 = content.length; k < len1; k++) {
|
|
cells = content[k];
|
|
results.push(cells[i].length);
|
|
}
|
|
widths.push(Math.max.apply(Math, [2].concat(results)));
|
|
}
|
|
just = function (string, col) {
|
|
var back, front, length;
|
|
length = widths[col] - string.length;
|
|
switch (justify[col]) {
|
|
case '::':
|
|
front = padding[0], back = padding[1];
|
|
return padding(length / 2) + string + padding((length + 1) / 2);
|
|
case '-:':
|
|
return padding(length) + string;
|
|
default:
|
|
return string + padding(length);
|
|
}
|
|
};
|
|
formatted = [];
|
|
for (j = 0, len1 = content.length; j < len1; j++) {
|
|
cells = content[j];
|
|
results = [];
|
|
for (i = k = 0, ref2 = columns - 1; 0 <= ref2 ? k <= ref2 : k >= ref2; i = 0 <= ref2 ? ++k : --k) {
|
|
results.push(just(cells[i], i));
|
|
}
|
|
formatted.push(addTailPipes(joinCells(results)));
|
|
}
|
|
formatline = addTailPipes(joinCells((function () {
|
|
var j, ref2, ref3, results;
|
|
results = [];
|
|
for (i = j = 0, ref2 = columns - 1; 0 <= ref2 ? j <= ref2 : j >= ref2; i = 0 <= ref2 ? ++j : --j) {
|
|
ref3 = justify[i], front = ref3[0], back = ref3[1];
|
|
results.push(front + padding(widths[i] - 2, '-') + back);
|
|
}
|
|
return results;
|
|
})()));
|
|
formatted.splice(formatrow, 0, formatline);
|
|
var result = (headerline.length === 0 && text[1] !== '' ? '\n' : '') + formatted.join('\n');
|
|
if (appendNewline !== false) {
|
|
result += '\n'
|
|
}
|
|
return result;
|
|
}
|
|
|
|
if (chunk.before.slice(-1) !== '\n') {
|
|
chunk.before += '\n';
|
|
}
|
|
var match = chunk.selection.match(regex);
|
|
if (match) {
|
|
chunk.selection = formatTable(match, chunk.selection.slice(-1) === '\n');
|
|
} else {
|
|
var table = chunk.selection + '|\n-|-\n|';
|
|
match = table.match(regex);
|
|
if (!match || match[0].slice(0, table.length) !== table) {
|
|
return;
|
|
}
|
|
table = formatTable(match);
|
|
var selectionOffset = keepFirstAndLastPipes ? 1 : 0;
|
|
var pipePos = table.indexOf('|', selectionOffset);
|
|
chunk.before += table.slice(0, selectionOffset);
|
|
chunk.selection = table.slice(selectionOffset, pipePos);
|
|
chunk.after = table.slice(pipePos) + chunk.after;
|
|
}
|
|
};
|
|
|
|
commandProto.doHeading = function (chunk) {
|
|
|
|
// Remove leading/trailing whitespace and reduce internal spaces to single spaces.
|
|
chunk.selection = chunk.selection.replace(/\s+/g, " ");
|
|
chunk.selection = chunk.selection.replace(/(^\s+|\s+$)/g, "");
|
|
|
|
// If we clicked the button with no selected text, we just
|
|
// make a level 2 hash header around some default text.
|
|
if (!chunk.selection) {
|
|
chunk.startTag = "## ";
|
|
chunk.selection = this.getString("headingexample");
|
|
return;
|
|
}
|
|
|
|
var headerLevel = 0; // The existing header level of the selected text.
|
|
|
|
// Remove any existing hash heading markdown and save the header level.
|
|
chunk.findTags(/#+[ ]*/, /[ ]*#+/);
|
|
if (/#+/.test(chunk.startTag)) {
|
|
headerLevel = re.lastMatch.length;
|
|
}
|
|
chunk.startTag = chunk.endTag = "";
|
|
|
|
// Try to get the current header level by looking for - and = in the line
|
|
// below the selection.
|
|
chunk.findTags(null, /\s?(-+|=+)/);
|
|
if (/=+/.test(chunk.endTag)) {
|
|
headerLevel = 1;
|
|
}
|
|
if (/-+/.test(chunk.endTag)) {
|
|
headerLevel = 2;
|
|
}
|
|
|
|
// Skip to the next line so we can create the header markdown.
|
|
chunk.startTag = chunk.endTag = "";
|
|
chunk.skipLines(1, 1);
|
|
|
|
// We make a level 2 header if there is no current header.
|
|
// If there is a header level, we substract one from the header level.
|
|
// If it's already a level 1 header, it's removed.
|
|
var headerLevelToCreate = headerLevel === 0 ? 2 : headerLevel - 1;
|
|
|
|
if (headerLevelToCreate > 0) {
|
|
|
|
chunk.startTag = '';
|
|
while (headerLevelToCreate--) {
|
|
chunk.startTag += '#';
|
|
}
|
|
chunk.startTag += ' ';
|
|
}
|
|
};
|
|
|
|
commandProto.doHorizontalRule = function (chunk) {
|
|
chunk.startTag = "----------\n";
|
|
chunk.selection = "";
|
|
chunk.skipLines(2, 1, true);
|
|
};
|
|
|
|
export default function (options) {
|
|
return new Pagedown(options);
|
|
};
|