Merge pull request #2594 from daiyam/fix-autocomplete-codeblock

improve autocomplete within code blocks

browser/components/CodeEditor.js

@@ -341,10 +341,18 @@ export default class CodeEditor extends React.Component {
         'CodeMirror-lint-markers'
       ],
       autoCloseBrackets: {
-        pairs: this.props.matchingPairs,
-        triples: this.props.matchingTriples,
-        explode: this.props.explodingPairs,
-        override: true
+        codeBlock: {
+          pairs: this.props.codeBlockMatchingPairs,
+          closeBefore: this.props.codeBlockMatchingCloseBefore,
+          triples: this.props.codeBlockMatchingTriples,
+          explode: this.props.codeBlockExplodingPairs
+        },
+        markdown: {
+          pairs: this.props.matchingPairs,
+          closeBefore: this.props.matchingCloseBefore,
+          triples: this.props.matchingTriples,
+          explode: this.props.explodingPairs
+        }
       },
       extraKeys: this.defaultKeyMap,
       prettierConfig: this.props.prettierConfig
@@ -649,16 +657,32 @@ export default class CodeEditor extends React.Component {
 
     if (
       prevProps.matchingPairs !== this.props.matchingPairs ||
+      prevProps.matchingCloseBefore !== this.props.matchingCloseBefore ||
       prevProps.matchingTriples !== this.props.matchingTriples ||
-      prevProps.explodingPairs !== this.props.explodingPairs
+      prevProps.explodingPairs !== this.props.explodingPairs ||
+      prevProps.codeBlockMatchingPairs !== this.props.codeBlockMatchingPairs ||
+      prevProps.codeBlockMatchingCloseBefore !==
+        this.props.codeBlockMatchingCloseBefore ||
+      prevProps.codeBlockMatchingTriples !==
+        this.props.codeBlockMatchingTriples ||
+      prevProps.codeBlockExplodingPairs !== this.props.codeBlockExplodingPairs
     ) {
-      const bracketObject = {
-        pairs: this.props.matchingPairs,
-        triples: this.props.matchingTriples,
-        explode: this.props.explodingPairs,
-        override: true
+      const autoCloseBrackets = {
+        codeBlock: {
+          pairs: this.props.codeBlockMatchingPairs,
+          closeBefore: this.props.codeBlockMatchingCloseBefore,
+          triples: this.props.codeBlockMatchingTriples,
+          explode: this.props.codeBlockExplodingPairs
+        },
+        markdown: {
+          pairs: this.props.matchingPairs,
+          closeBefore: this.props.matchingCloseBefore,
+          triples: this.props.matchingTriples,
+          explode: this.props.explodingPairs
+        }
       }
-      this.editor.setOption('autoCloseBrackets', bracketObject)
+
+      this.editor.setOption('autoCloseBrackets', autoCloseBrackets)
     }
 
     if (prevProps.enableTableEditor !== this.props.enableTableEditor) {

browser/components/MarkdownEditor.js

@@ -365,8 +365,15 @@ class MarkdownEditor extends React.Component {
           displayLineNumbers={config.editor.displayLineNumbers}
           lineWrapping
           matchingPairs={config.editor.matchingPairs}
+          matchingCloseBefore={config.editor.matchingCloseBefore}
           matchingTriples={config.editor.matchingTriples}
           explodingPairs={config.editor.explodingPairs}
+          codeBlockMatchingPairs={config.editor.codeBlockMatchingPairs}
+          codeBlockMatchingCloseBefore={
+            config.editor.codeBlockMatchingCloseBefore
+          }
+          codeBlockMatchingTriples={config.editor.codeBlockMatchingTriples}
+          codeBlockExplodingPairs={config.editor.codeBlockExplodingPairs}
           scrollPastEnd={config.editor.scrollPastEnd}
           storageKey={storageKey}
           noteKey={noteKey}

browser/components/MarkdownSplitEditor.js

@@ -260,8 +260,15 @@ class MarkdownSplitEditor extends React.Component {
           displayLineNumbers={config.editor.displayLineNumbers}
           lineWrapping
           matchingPairs={config.editor.matchingPairs}
+          matchingCloseBefore={config.editor.matchingCloseBefore}
           matchingTriples={config.editor.matchingTriples}
           explodingPairs={config.editor.explodingPairs}
+          codeBlockMatchingPairs={config.editor.codeBlockMatchingPairs}
+          codeBlockMatchingCloseBefore={
+            config.editor.codeBlockMatchingCloseBefore
+          }
+          codeBlockMatchingTriples={config.editor.codeBlockMatchingTriples}
+          codeBlockExplodingPairs={config.editor.codeBlockExplodingPairs}
           indentType={config.editor.indentType}
           indentSize={editorStyle.indentSize}
           enableRulers={config.editor.enableRulers}

browser/main/Detail/SnippetNoteDetail.js

@@ -859,8 +859,15 @@ class SnippetNoteDetail extends React.Component {
               indentSize={editorIndentSize}
               displayLineNumbers={config.editor.displayLineNumbers}
               matchingPairs={config.editor.matchingPairs}
+              matchingCloseBefore={config.editor.matchingCloseBefore}
               matchingTriples={config.editor.matchingTriples}
               explodingPairs={config.editor.explodingPairs}
+              codeBlockMatchingPairs={config.editor.codeBlockMatchingPairs}
+              codeBlockMatchingCloseBefore={
+                config.editor.codeBlockMatchingCloseBefore
+              }
+              codeBlockMatchingTriples={config.editor.codeBlockMatchingTriples}
+              codeBlockExplodingPairs={config.editor.codeBlockExplodingPairs}
               keyMap={config.editor.keyMap}
               scrollPastEnd={config.editor.scrollPastEnd}
               fetchUrlTitle={config.editor.fetchUrlTitle}

browser/main/lib/ConfigManager.js

@@ -86,8 +86,13 @@ export const DEFAULT_CONFIG = {
     rulers: [80, 120],
     displayLineNumbers: true,
     matchingPairs: '()[]{}\'\'""$$**``~~__',
+    matchingCloseBefore: ')]}\'":;>',
     matchingTriples: '```"""\'\'\'',
     explodingPairs: '[]{}``$$',
+    codeBlockMatchingPairs: '()[]{}\'\'""``',
+    codeBlockMatchingCloseBefore: ')]}\'":;>',
+    codeBlockMatchingTriples: '',
+    codeBlockExplodingPairs: '[]{}``',
     switchPreview: 'BLUR', // 'BLUR', 'DBL_CLICK', 'RIGHTCLICK'
     delfaultStatus: 'PREVIEW', // 'PREVIEW', 'CODE'
     scrollPastEnd: false,

browser/main/modals/PreferencesModal/ConfigTab.styl

@@ -139,6 +139,13 @@ div[id^="firstRow"]
   margin-right 10px
   font-size 14px
 
+.group-section-label-right
+  width 200px
+  text-align right
+  margin-right 10px
+  font-size 14px
+  padding-right 1.5rem
+
 .group-section-control
   flex 1
   margin-left 5px

browser/main/modals/PreferencesModal/SnippetEditor.js

@@ -35,10 +35,18 @@ class SnippetEditor extends React.Component {
       foldGutter: true,
       gutters: ['CodeMirror-linenumbers', 'CodeMirror-foldgutter'],
       autoCloseBrackets: {
-        pairs: this.props.matchingPairs,
-        triples: this.props.matchingTriples,
-        explode: this.props.explodingPairs,
-        override: true
+        codeBlock: {
+          pairs: this.props.codeBlockMatchingPairs,
+          closeBefore: this.props.codeBlockMatchingCloseBefore,
+          triples: this.props.codeBlockMatchingTriples,
+          explode: this.props.codeBlockExplodingPairs
+        },
+        markdown: {
+          pairs: this.props.matchingPairs,
+          closeBefore: this.props.matchingCloseBefore,
+          triples: this.props.matchingTriples,
+          explode: this.props.explodingPairs
+        }
       },
       mode: 'null'
     })

browser/main/modals/PreferencesModal/SnippetTab.js

@@ -152,8 +152,15 @@ class SnippetTab extends React.Component {
               rulers={config.editor.rulers}
               displayLineNumbers={config.editor.displayLineNumbers}
               matchingPairs={config.editor.matchingPairs}
+              matchingCloseBefore={config.editor.matchingCloseBefore}
               matchingTriples={config.editor.matchingTriples}
               explodingPairs={config.editor.explodingPairs}
+              codeBlockMatchingPairs={config.editor.codeBlockMatchingPairs}
+              codeBlockMatchingCloseBefore={
+                config.editor.codeBlockMatchingCloseBefore
+              }
+              codeBlockMatchingTriples={config.editor.codeBlockMatchingTriples}
+              codeBlockExplodingPairs={config.editor.codeBlockExplodingPairs}
               scrollPastEnd={config.editor.scrollPastEnd}
               onRef={ref => {
                 this.snippetEditor = ref

browser/main/modals/PreferencesModal/UiTab.js

@@ -124,8 +124,14 @@ class UiTab extends React.Component {
         enableFrontMatterTitle: this.refs.enableFrontMatterTitle.checked,
         frontMatterTitleField: this.refs.frontMatterTitleField.value,
         matchingPairs: this.refs.matchingPairs.value,
+        matchingCloseBefore: this.refs.matchingCloseBefore.value,
         matchingTriples: this.refs.matchingTriples.value,
         explodingPairs: this.refs.explodingPairs.value,
+        codeBlockMatchingPairs: this.refs.codeBlockMatchingPairs.value,
+        codeBlockMatchingCloseBefore: this.refs.codeBlockMatchingCloseBefore
+          .value,
+        codeBlockMatchingTriples: this.refs.codeBlockMatchingTriples.value,
+        codeBlockExplodingPairs: this.refs.codeBlockExplodingPairs.value,
         spellcheck: this.refs.spellcheck.checked,
         enableSmartPaste: this.refs.enableSmartPaste.checked,
         enableMarkdownLint: this.refs.enableMarkdownLint.checked,
@@ -746,6 +752,126 @@ class UiTab extends React.Component {
             </div>
           </div>
 
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              {i18n.__('Matching character pairs')}
+            </div>
+            <div styleName='group-section-control'>
+              <input
+                styleName='group-section-control-input'
+                value={this.state.config.editor.matchingPairs}
+                ref='matchingPairs'
+                onChange={e => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+
+          <div styleName='group-section'>
+            <div styleName='group-section-label-right'>
+              {i18n.__('in code blocks')}
+            </div>
+            <div styleName='group-section-control'>
+              <input
+                styleName='group-section-control-input'
+                value={this.state.config.editor.codeBlockMatchingPairs}
+                ref='codeBlockMatchingPairs'
+                onChange={e => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              {i18n.__('Close pairs before')}
+            </div>
+            <div styleName='group-section-control'>
+              <input
+                styleName='group-section-control-input'
+                value={this.state.config.editor.matchingCloseBefore}
+                ref='matchingCloseBefore'
+                onChange={e => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+
+          <div styleName='group-section'>
+            <div styleName='group-section-label-right'>
+              {i18n.__('in code blocks')}
+            </div>
+            <div styleName='group-section-control'>
+              <input
+                styleName='group-section-control-input'
+                value={this.state.config.editor.codeBlockMatchingCloseBefore}
+                ref='codeBlockMatchingCloseBefore'
+                onChange={e => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              {i18n.__('Matching character triples')}
+            </div>
+            <div styleName='group-section-control'>
+              <input
+                styleName='group-section-control-input'
+                value={this.state.config.editor.matchingTriples}
+                ref='matchingTriples'
+                onChange={e => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+
+          <div styleName='group-section'>
+            <div styleName='group-section-label-right'>
+              {i18n.__('in code blocks')}
+            </div>
+            <div styleName='group-section-control'>
+              <input
+                styleName='group-section-control-input'
+                value={this.state.config.editor.codeBlockMatchingTriples}
+                ref='codeBlockMatchingTriples'
+                onChange={e => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+
+          <div styleName='group-section'>
+            <div styleName='group-section-label'>
+              {i18n.__('Exploding character pairs')}
+            </div>
+            <div styleName='group-section-control'>
+              <input
+                styleName='group-section-control-input'
+                value={this.state.config.editor.explodingPairs}
+                ref='explodingPairs'
+                onChange={e => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+
+          <div styleName='group-section'>
+            <div styleName='group-section-label-right'>
+              {i18n.__('in code blocks')}
+            </div>
+            <div styleName='group-section-control'>
+              <input
+                styleName='group-section-control-input'
+                value={this.state.config.editor.codeBlockExplodingPairs}
+                ref='codeBlockExplodingPairs'
+                onChange={e => this.handleUIChange(e)}
+                type='text'
+              />
+            </div>
+          </div>
+
           <div styleName='group-checkBoxSection'>
             <label>
               <input
@@ -889,50 +1015,6 @@ class UiTab extends React.Component {
             </label>
           </div>
 
-          <div styleName='group-section'>
-            <div styleName='group-section-label'>
-              {i18n.__('Matching character pairs')}
-            </div>
-            <div styleName='group-section-control'>
-              <input
-                styleName='group-section-control-input'
-                value={this.state.config.editor.matchingPairs}
-                ref='matchingPairs'
-                onChange={e => this.handleUIChange(e)}
-                type='text'
-              />
-            </div>
-          </div>
-
-          <div styleName='group-section'>
-            <div styleName='group-section-label'>
-              {i18n.__('Matching character triples')}
-            </div>
-            <div styleName='group-section-control'>
-              <input
-                styleName='group-section-control-input'
-                value={this.state.config.editor.matchingTriples}
-                ref='matchingTriples'
-                onChange={e => this.handleUIChange(e)}
-                type='text'
-              />
-            </div>
-          </div>
-
-          <div styleName='group-section'>
-            <div styleName='group-section-label'>
-              {i18n.__('Exploding character pairs')}
-            </div>
-            <div styleName='group-section-control'>
-              <input
-                styleName='group-section-control-input'
-                value={this.state.config.editor.explodingPairs}
-                ref='explodingPairs'
-                onChange={e => this.handleUIChange(e)}
-                type='text'
-              />
-            </div>
-          </div>
           <div styleName='group-section'>
             <div styleName='group-section-label'>
               {i18n.__('Custom MarkdownLint Rules')}

extra_scripts/codemirror/addon/edit/closebrackets.js

@@ -0,0 +1,196 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  var defaults = {
+    pairs: "()[]{}''\"\"",
+    closeBefore: ")]}'\":;>",
+    triples: "",
+    explode: "[]{}"
+  };
+
+  var Pos = CodeMirror.Pos;
+
+  CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) {
+    if (old && old != CodeMirror.Init) {
+      cm.removeKeyMap(keyMap);
+      cm.state.closeBrackets = null;
+    }
+    if (val) {
+      ensureBound(getOption(val.markdown, "pairs"))
+      cm.state.closeBrackets = val;
+      cm.addKeyMap(keyMap);
+    }
+  });
+
+  function getOption(conf, name) {
+    if (name == "pairs" && typeof conf == "string") return conf;
+    if (typeof conf == "object" && conf[name] != null) return conf[name];
+    return defaults[name];
+  }
+
+  var keyMap = {Backspace: handleBackspace, Enter: handleEnter};
+  function ensureBound(chars) {
+    for (var i = 0; i < chars.length; i++) {
+      var ch = chars.charAt(i), key = "'" + ch + "'"
+      if (!keyMap[key]) keyMap[key] = handler(ch)
+    }
+  }
+  ensureBound(defaults.pairs + "`")
+
+  function handler(ch) {
+    return function(cm) { return handleChar(cm, ch); };
+  }
+
+  function getConfig(cm) {
+    var cursor = cm.getCursor();
+    var token = cm.getTokenAt(cursor);
+    var inCodeBlock = !!token.state.fencedEndRE;
+
+    if (inCodeBlock) {
+      return cm.state.closeBrackets.codeBlock
+    } else {
+      return cm.state.closeBrackets.markdown
+    }
+  }
+
+  function handleBackspace(cm) {
+    var conf = getConfig(cm);
+    if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;
+
+    var pairs = getOption(conf, "pairs");
+    var ranges = cm.listSelections();
+    for (var i = 0; i < ranges.length; i++) {
+      if (!ranges[i].empty()) return CodeMirror.Pass;
+      var around = charsAround(cm, ranges[i].head);
+      if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass;
+    }
+    for (var i = ranges.length - 1; i >= 0; i--) {
+      var cur = ranges[i].head;
+      cm.replaceRange("", Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1), "+delete");
+    }
+  }
+
+  function handleEnter(cm) {
+    var conf = getConfig(cm);
+    var explode = conf && getOption(conf, "explode");
+    if (!explode || cm.getOption("disableInput")) return CodeMirror.Pass;
+
+    var ranges = cm.listSelections();
+    for (var i = 0; i < ranges.length; i++) {
+      if (!ranges[i].empty()) return CodeMirror.Pass;
+      var around = charsAround(cm, ranges[i].head);
+      if (!around || explode.indexOf(around) % 2 != 0) return CodeMirror.Pass;
+    }
+    cm.operation(function() {
+      var linesep = cm.lineSeparator() || "\n";
+      cm.replaceSelection(linesep + linesep, null);
+      cm.execCommand("goCharLeft");
+      ranges = cm.listSelections();
+      for (var i = 0; i < ranges.length; i++) {
+        var line = ranges[i].head.line;
+        cm.indentLine(line, null, true);
+        cm.indentLine(line + 1, null, true);
+      }
+    });
+  }
+
+  function contractSelection(sel) {
+    var inverted = CodeMirror.cmpPos(sel.anchor, sel.head) > 0;
+    return {anchor: new Pos(sel.anchor.line, sel.anchor.ch + (inverted ? -1 : 1)),
+            head: new Pos(sel.head.line, sel.head.ch + (inverted ? 1 : -1))};
+  }
+
+  function handleChar(cm, ch) {
+    var conf = getConfig(cm);
+    if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass;
+
+    var pairs = getOption(conf, "pairs");
+    var pos = pairs.indexOf(ch);
+    if (pos == -1) return CodeMirror.Pass;
+
+    var closeBefore = getOption(conf,"closeBefore");
+
+    var triples = getOption(conf, "triples");
+
+    var identical = pairs.charAt(pos + 1) == ch;
+    var ranges = cm.listSelections();
+    var opening = pos % 2 == 0;
+
+    var type;
+    for (var i = 0; i < ranges.length; i++) {
+      var range = ranges[i], cur = range.head, curType;
+      var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1));
+      if (opening && !range.empty()) {
+        curType = "surround";
+      } else if ((identical || !opening) && next == ch) {
+        if (identical && stringStartsAfter(cm, cur))
+          curType = "both";
+        else if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch)
+          curType = "skipThree";
+        else
+          curType = "skip";
+      } else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 &&
+                 cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch) {
+        if (cur.ch > 2 && /\bstring/.test(cm.getTokenTypeAt(Pos(cur.line, cur.ch - 2)))) return CodeMirror.Pass;
+        curType = "addFour";
+      } else if (identical) {
+        var prev = cur.ch == 0 ? " " : cm.getRange(Pos(cur.line, cur.ch - 1), cur)
+        if (!CodeMirror.isWordChar(next) && prev != ch && !CodeMirror.isWordChar(prev)) curType = "both";
+        else return CodeMirror.Pass;
+      } else if (opening && (next.length === 0 || /\s/.test(next) || closeBefore.indexOf(next) > -1)) {
+        curType = "both";
+      } else {
+        return CodeMirror.Pass;
+      }
+      if (!type) type = curType;
+      else if (type != curType) return CodeMirror.Pass;
+    }
+
+    var left = pos % 2 ? pairs.charAt(pos - 1) : ch;
+    var right = pos % 2 ? ch : pairs.charAt(pos + 1);
+    cm.operation(function() {
+      if (type == "skip") {
+        cm.execCommand("goCharRight");
+      } else if (type == "skipThree") {
+        for (var i = 0; i < 3; i++)
+          cm.execCommand("goCharRight");
+      } else if (type == "surround") {
+        var sels = cm.getSelections();
+        for (var i = 0; i < sels.length; i++)
+          sels[i] = left + sels[i] + right;
+        cm.replaceSelections(sels, "around");
+        sels = cm.listSelections().slice();
+        for (var i = 0; i < sels.length; i++)
+          sels[i] = contractSelection(sels[i]);
+        cm.setSelections(sels);
+      } else if (type == "both") {
+        cm.replaceSelection(left + right, null);
+        cm.triggerElectric(left + right);
+        cm.execCommand("goCharLeft");
+      } else if (type == "addFour") {
+        cm.replaceSelection(left + left + left + left, "before");
+        cm.execCommand("goCharRight");
+      }
+    });
+  }
+
+  function charsAround(cm, pos) {
+    var str = cm.getRange(Pos(pos.line, pos.ch - 1),
+                          Pos(pos.line, pos.ch + 1));
+    return str.length == 2 ? str : null;
+  }
+
+  function stringStartsAfter(cm, pos) {
+    var token = cm.getTokenAt(Pos(pos.line, pos.ch + 1))
+    return /\bstring/.test(token.type) && token.start == pos.ch &&
+      (pos.ch == 0 || !/\bstring/.test(cm.getTokenTypeAt(pos)))
+  }
+});

extra_scripts/codemirror/mode/bfm/bfm.js

@@ -55,202 +55,168 @@
     }
   }
 
-  CodeMirror.defineMode(
-    'bfm',
-    function(config, baseConfig) {
-      baseConfig.name = 'yaml-frontmatter'
-      const baseMode = CodeMirror.getMode(config, baseConfig)
+  CodeMirror.defineMode('bfm', function (config, baseConfig) {
+    baseConfig.name = 'yaml-frontmatter'
+    const baseMode = CodeMirror.getMode(config, baseConfig)
 
-      return {
-        startState: function() {
-          return {
-            baseState: CodeMirror.startState(baseMode),
+    return {
+      startState: function() {
+        return {
+          baseState: CodeMirror.startState(baseMode),
 
-            basePos: 0,
-            baseCur: null,
-            overlayPos: 0,
-            overlayCur: null,
-            streamSeen: null,
+          basePos: 0,
+          baseCur: null,
+          overlayPos: 0,
+          overlayCur: null,
+          streamSeen: null,
 
-            fencedEndRE: null,
+          fencedEndRE: null,
 
-            inTable: false,
-            rowIndex: 0
-          }
-        },
-        copyState: function(s) {
-          return {
-            baseState: CodeMirror.copyState(baseMode, s.baseState),
+          inTable: false,
+          rowIndex: 0
+        }
+      },
+      copyState: function(s) {
+        return {
+          baseState: CodeMirror.copyState(baseMode, s.baseState),
 
-            basePos: s.basePos,
-            baseCur: null,
-            overlayPos: s.overlayPos,
-            overlayCur: null,
+          basePos: s.basePos,
+          baseCur: null,
+          overlayPos: s.overlayPos,
+          overlayCur: null,
 
-            fencedMode: s.fencedMode,
-            fencedState: s.fencedMode
-              ? CodeMirror.copyState(s.fencedMode, s.fencedState)
-              : null,
+          fencedMode: s.fencedMode,
+          fencedState: s.fencedMode ? CodeMirror.copyState(s.fencedMode, s.fencedState) : null,
 
-            fencedEndRE: s.fencedEndRE,
+          fencedEndRE: s.fencedEndRE,
 
-            inTable: s.inTable,
-            rowIndex: s.rowIndex
-          }
-        },
-        token: function(stream, state) {
-          const initialPos = stream.pos
+          inTable: s.inTable,
+          rowIndex: s.rowIndex
+        }
+      },
+      token: function(stream, state) {
+        const initialPos = stream.pos
 
-          if (state.fencedEndRE && stream.match(state.fencedEndRE)) {
+        if (state.fencedEndRE) {
+          if (stream.match(state.fencedEndRE)) {
             state.fencedEndRE = null
             state.fencedMode = null
             state.fencedState = null
 
             stream.pos = initialPos
+          } else if (state.fencedMode) {
+            return state.fencedMode.token(stream, state.fencedState)
           } else {
-            if (state.fencedMode) {
-              return state.fencedMode.token(stream, state.fencedState)
-            }
-
-            const match = stream.match(fencedCodeRE, true)
-            if (match) {
-              state.fencedEndRE = new RegExp(match[1] + '+ *$')
-
-              state.fencedMode = getMode(
-                match[2],
-                match[3],
-                config,
-                stream.lineOracle.doc.cm
-              )
-              if (state.fencedMode) {
-                state.fencedState = CodeMirror.startState(state.fencedMode)
-              }
-
-              stream.pos = initialPos
-            }
-          }
-
-          if (
-            stream != state.streamSeen ||
-            Math.min(state.basePos, state.overlayPos) < stream.start
-          ) {
-            state.streamSeen = stream
-            state.basePos = state.overlayPos = stream.start
-          }
-
-          if (stream.start == state.basePos) {
-            state.baseCur = baseMode.token(stream, state.baseState)
-            state.basePos = stream.pos
-          }
-          if (stream.start == state.overlayPos) {
-            stream.pos = stream.start
             state.overlayCur = this.overlayToken(stream, state)
             state.overlayPos = stream.pos
-          }
-          stream.pos = Math.min(state.basePos, state.overlayPos)
 
-          if (state.overlayCur == null) {
-            return state.baseCur
-          } else if (state.baseCur != null && state.combineTokens) {
-            return state.baseCur + ' ' + state.overlayCur
-          } else {
             return state.overlayCur
           }
-        },
-        overlayToken: function(stream, state) {
-          state.combineTokens = false
-
-          if (state.fencedEndRE && stream.match(state.fencedEndRE)) {
-            state.fencedEndRE = null
-            state.localMode = null
-            state.localState = null
-
-            return null
-          }
-
-          if (state.localMode) {
-            return state.localMode.token(stream, state.localState) || ''
-          }
-
+        }
+        else {
           const match = stream.match(fencedCodeRE, true)
           if (match) {
             state.fencedEndRE = new RegExp(match[1] + '+ *$')
 
-            state.localMode = getMode(
-              match[2],
-              match[3],
-              config,
-              stream.lineOracle.doc.cm
-            )
-            if (state.localMode) {
-              state.localState = CodeMirror.startState(state.localMode)
+            state.fencedMode = getMode(match[2], match[3], config, stream.lineOracle.doc.cm)
+            if (state.fencedMode) {
+              state.fencedState = CodeMirror.startState(state.fencedMode)
             }
 
-            return null
-          }
-
-          state.combineTokens = true
-
-          if (state.inTable) {
-            if (stream.match(/^\|/)) {
-              ++state.rowIndex
-
-              stream.skipToEnd()
-
-              if (state.rowIndex === 1) {
-                return 'table table-separator'
-              } else if (state.rowIndex % 2 === 0) {
-                return 'table table-row table-row-even'
-              } else {
-                return 'table table-row table-row-odd'
-              }
-            } else {
-              state.inTable = false
-
-              stream.skipToEnd()
-              return null
-            }
-          } else if (stream.match(/^\|/)) {
-            state.inTable = true
-            state.rowIndex = 0
-
-            stream.skipToEnd()
-            return 'table table-header'
-          }
-
-          stream.skipToEnd()
-          return null
-        },
-        electricChars: baseMode.electricChars,
-        innerMode: function(state) {
-          if (state.fencedMode) {
-            return {
-              mode: state.fencedMode,
-              state: state.fencedState
-            }
-          } else {
-            return {
-              mode: baseMode,
-              state: state.baseState
-            }
-          }
-        },
-        blankLine: function(state) {
-          state.inTable = false
-
-          if (state.fencedMode) {
-            return (
-              state.fencedMode.blankLine &&
-              state.fencedMode.blankLine(state.fencedState)
-            )
-          } else {
-            return baseMode.blankLine(state.baseState)
+            stream.pos = initialPos
           }
         }
+
+        if (stream != state.streamSeen || Math.min(state.basePos, state.overlayPos) < stream.start) {
+          state.streamSeen = stream
+          state.basePos = state.overlayPos = stream.start
+        }
+
+        if (stream.start == state.basePos) {
+          state.baseCur = baseMode.token(stream, state.baseState)
+          state.basePos = stream.pos
+        }
+        if (stream.start == state.overlayPos) {
+          stream.pos = stream.start
+          state.overlayCur = this.overlayToken(stream, state)
+          state.overlayPos = stream.pos
+        }
+        stream.pos = Math.min(state.basePos, state.overlayPos)
+
+        if (state.overlayCur == null) {
+          return state.baseCur
+        }
+        else if (state.baseCur != null && state.combineTokens) {
+          return state.baseCur + ' ' + state.overlayCur
+        }
+        else {
+          return state.overlayCur
+        }
+      },
+      overlayToken: function(stream, state) {
+        state.combineTokens = false
+
+        if (state.localMode) {
+          return state.localMode.token(stream, state.localState) || ''
+        }
+
+        state.combineTokens = true
+
+        if (state.inTable) {
+          if (stream.match(/^\|/)) {
+            ++state.rowIndex
+
+            stream.skipToEnd()
+
+            if (state.rowIndex === 1) {
+              return 'table table-separator'
+            } else if (state.rowIndex % 2 === 0) {
+              return 'table table-row table-row-even'
+            } else {
+              return 'table table-row table-row-odd'
+            }
+          } else {
+            state.inTable = false
+
+            stream.skipToEnd()
+            return null
+          }
+        } else if (stream.match(/^\|/)) {
+          state.inTable = true
+          state.rowIndex = 0
+
+          stream.skipToEnd()
+          return 'table table-header'
+        }
+
+        stream.skipToEnd()
+        return null
+      },
+      electricChars: baseMode.electricChars,
+      innerMode: function(state) {
+        if (state.fencedMode) {
+          return {
+            mode: state.fencedMode,
+            state: state.fencedState
+          }
+        } else {
+          return {
+            mode: baseMode,
+            state: state.baseState
+          }
+        }
+      },
+      blankLine: function(state) {
+        state.inTable = false
+
+        if (state.fencedMode) {
+          return state.fencedMode.blankLine && state.fencedMode.blankLine(state.fencedState)
+        } else {
+          return baseMode.blankLine(state.baseState)
+        }
       }
-    },
-    'yaml-frontmatter'
-  )
+    }
+  }, 'yaml-frontmatter')
 
   CodeMirror.defineMIME('text/x-bfm', 'bfm')
 
@@ -259,4 +225,4 @@
     mime: 'text/x-bfm',
     mode: 'bfm'
   })
-})
+})

lib/main.development.html

@@ -72,7 +72,7 @@
       border-left-color: rgba(142, 142, 142, 0.5);
       mix-blend-mode: difference;
     }
-    
+
     .CodeMirror-scroll {
       margin-bottom: 0;
       padding-bottom: 0;
@@ -116,7 +116,7 @@
   <script src="../extra_scripts/codemirror/mode/gfm/gfm.js"></script>
   <script src="../extra_scripts/codemirror/addon/hyperlink/hyperlink.js"></script>
 
-  <script src="../node_modules/codemirror/addon/edit/closebrackets.js"></script>
+  <script src="../extra_scripts/codemirror/addon/edit/closebrackets.js"></script>
   <script src="../node_modules/codemirror/addon/edit/matchbrackets.js"></script>
 
   <script src="../node_modules/codemirror/addon/search/search.js"></script>

lib/main.production.html

@@ -112,7 +112,7 @@
   <script src="../extra_scripts/codemirror/mode/gfm/gfm.js"></script>
   <script src="../extra_scripts/codemirror/addon/hyperlink/hyperlink.js"></script>
 
-  <script src="../node_modules/codemirror/addon/edit/closebrackets.js"></script>
+  <script src="../extra_scripts/codemirror/addon/edit/closebrackets.js"></script>
   <script src="../node_modules/codemirror/addon/edit/matchbrackets.js"></script>
 
   <script src="../node_modules/codemirror/addon/search/search.js"></script>