added codemirror optional js for syntax highlight of dockerfiles

clojure_frontend/project.clj

@@ -39,7 +39,9 @@
   :uberwar {:init toaster.ring/init
             :handler toaster.handler/app}
   :mail toaster.handler
-  :npm {:dependencies [[dockerlint "0.3.9"]]}
+  :npm {:dependencies [[dockerlint "0.3.9"]
+                       [bulma "0.7.2"]
+                       [codemirror "5.40.2"]]}
   :profiles { :dev {:dependencies [[javax.servlet/servlet-api "2.5"]
                                    [ring/ring-mock "0.3.2"]
                                    [midje "1.9.2"]]

clojure_frontend/resources/public/static/css/codemirror.css

@@ -0,0 +1,346 @@
+/* BASICS */
+
+.CodeMirror {
+  /* Set height, width, borders, and global font properties here */
+  font-family: monospace;
+  height: 300px;
+  color: black;
+  direction: ltr;
+}
+
+/* PADDING */
+
+.CodeMirror-lines {
+  padding: 4px 0; /* Vertical padding around content */
+}
+.CodeMirror pre {
+  padding: 0 4px; /* Horizontal padding of content */
+}
+
+.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
+  background-color: white; /* The little square between H and V scrollbars */
+}
+
+/* GUTTER */
+
+.CodeMirror-gutters {
+  border-right: 1px solid #ddd;
+  background-color: #f7f7f7;
+  white-space: nowrap;
+}
+.CodeMirror-linenumbers {}
+.CodeMirror-linenumber {
+  padding: 0 3px 0 5px;
+  min-width: 20px;
+  text-align: right;
+  color: #999;
+  white-space: nowrap;
+}
+
+.CodeMirror-guttermarker { color: black; }
+.CodeMirror-guttermarker-subtle { color: #999; }
+
+/* CURSOR */
+
+.CodeMirror-cursor {
+  border-left: 1px solid black;
+  border-right: none;
+  width: 0;
+}
+/* Shown when moving in bi-directional text */
+.CodeMirror div.CodeMirror-secondarycursor {
+  border-left: 1px solid silver;
+}
+.cm-fat-cursor .CodeMirror-cursor {
+  width: auto;
+  border: 0 !important;
+  background: #7e7;
+}
+.cm-fat-cursor div.CodeMirror-cursors {
+  z-index: 1;
+}
+.cm-fat-cursor-mark {
+  background-color: rgba(20, 255, 20, 0.5);
+  -webkit-animation: blink 1.06s steps(1) infinite;
+  -moz-animation: blink 1.06s steps(1) infinite;
+  animation: blink 1.06s steps(1) infinite;
+}
+.cm-animate-fat-cursor {
+  width: auto;
+  border: 0;
+  -webkit-animation: blink 1.06s steps(1) infinite;
+  -moz-animation: blink 1.06s steps(1) infinite;
+  animation: blink 1.06s steps(1) infinite;
+  background-color: #7e7;
+}
+@-moz-keyframes blink {
+  0% {}
+  50% { background-color: transparent; }
+  100% {}
+}
+@-webkit-keyframes blink {
+  0% {}
+  50% { background-color: transparent; }
+  100% {}
+}
+@keyframes blink {
+  0% {}
+  50% { background-color: transparent; }
+  100% {}
+}
+
+/* Can style cursor different in overwrite (non-insert) mode */
+.CodeMirror-overwrite .CodeMirror-cursor {}
+
+.cm-tab { display: inline-block; text-decoration: inherit; }
+
+.CodeMirror-rulers {
+  position: absolute;
+  left: 0; right: 0; top: -50px; bottom: -20px;
+  overflow: hidden;
+}
+.CodeMirror-ruler {
+  border-left: 1px solid #ccc;
+  top: 0; bottom: 0;
+  position: absolute;
+}
+
+/* DEFAULT THEME */
+
+.cm-s-default .cm-header {color: blue;}
+.cm-s-default .cm-quote {color: #090;}
+.cm-negative {color: #d44;}
+.cm-positive {color: #292;}
+.cm-header, .cm-strong {font-weight: bold;}
+.cm-em {font-style: italic;}
+.cm-link {text-decoration: underline;}
+.cm-strikethrough {text-decoration: line-through;}
+
+.cm-s-default .cm-keyword {color: #708;}
+.cm-s-default .cm-atom {color: #219;}
+.cm-s-default .cm-number {color: #164;}
+.cm-s-default .cm-def {color: #00f;}
+.cm-s-default .cm-variable,
+.cm-s-default .cm-punctuation,
+.cm-s-default .cm-property,
+.cm-s-default .cm-operator {}
+.cm-s-default .cm-variable-2 {color: #05a;}
+.cm-s-default .cm-variable-3, .cm-s-default .cm-type {color: #085;}
+.cm-s-default .cm-comment {color: #a50;}
+.cm-s-default .cm-string {color: #a11;}
+.cm-s-default .cm-string-2 {color: #f50;}
+.cm-s-default .cm-meta {color: #555;}
+.cm-s-default .cm-qualifier {color: #555;}
+.cm-s-default .cm-builtin {color: #30a;}
+.cm-s-default .cm-bracket {color: #997;}
+.cm-s-default .cm-tag {color: #170;}
+.cm-s-default .cm-attribute {color: #00c;}
+.cm-s-default .cm-hr {color: #999;}
+.cm-s-default .cm-link {color: #00c;}
+
+.cm-s-default .cm-error {color: #f00;}
+.cm-invalidchar {color: #f00;}
+
+.CodeMirror-composing { border-bottom: 2px solid; }
+
+/* Default styles for common addons */
+
+div.CodeMirror span.CodeMirror-matchingbracket {color: #0b0;}
+div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #a22;}
+.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); }
+.CodeMirror-activeline-background {background: #e8f2ff;}
+
+/* STOP */
+
+/* The rest of this file contains styles related to the mechanics of
+   the editor. You probably shouldn't touch them. */
+
+.CodeMirror {
+  position: relative;
+  overflow: hidden;
+  background: white;
+}
+
+.CodeMirror-scroll {
+  overflow: scroll !important; /* Things will break if this is overridden */
+  /* 30px is the magic margin used to hide the element's real scrollbars */
+  /* See overflow: hidden in .CodeMirror */
+  margin-bottom: -30px; margin-right: -30px;
+  padding-bottom: 30px;
+  height: 100%;
+  outline: none; /* Prevent dragging from highlighting the element */
+  position: relative;
+}
+.CodeMirror-sizer {
+  position: relative;
+  border-right: 30px solid transparent;
+}
+
+/* The fake, visible scrollbars. Used to force redraw during scrolling
+   before actual scrolling happens, thus preventing shaking and
+   flickering artifacts. */
+.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
+  position: absolute;
+  z-index: 6;
+  display: none;
+}
+.CodeMirror-vscrollbar {
+  right: 0; top: 0;
+  overflow-x: hidden;
+  overflow-y: scroll;
+}
+.CodeMirror-hscrollbar {
+  bottom: 0; left: 0;
+  overflow-y: hidden;
+  overflow-x: scroll;
+}
+.CodeMirror-scrollbar-filler {
+  right: 0; bottom: 0;
+}
+.CodeMirror-gutter-filler {
+  left: 0; bottom: 0;
+}
+
+.CodeMirror-gutters {
+  position: absolute; left: 0; top: 0;
+  min-height: 100%;
+  z-index: 3;
+}
+.CodeMirror-gutter {
+  white-space: normal;
+  height: 100%;
+  display: inline-block;
+  vertical-align: top;
+  margin-bottom: -30px;
+}
+.CodeMirror-gutter-wrapper {
+  position: absolute;
+  z-index: 4;
+  background: none !important;
+  border: none !important;
+}
+.CodeMirror-gutter-background {
+  position: absolute;
+  top: 0; bottom: 0;
+  z-index: 4;
+}
+.CodeMirror-gutter-elt {
+  position: absolute;
+  cursor: default;
+  z-index: 4;
+}
+.CodeMirror-gutter-wrapper ::selection { background-color: transparent }
+.CodeMirror-gutter-wrapper ::-moz-selection { background-color: transparent }
+
+.CodeMirror-lines {
+  cursor: text;
+  min-height: 1px; /* prevents collapsing before first draw */
+}
+.CodeMirror pre {
+  /* Reset some styles that the rest of the page might have set */
+  -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;
+  border-width: 0;
+  background: transparent;
+  font-family: inherit;
+  font-size: inherit;
+  margin: 0;
+  white-space: pre;
+  word-wrap: normal;
+  line-height: inherit;
+  color: inherit;
+  z-index: 2;
+  position: relative;
+  overflow: visible;
+  -webkit-tap-highlight-color: transparent;
+  -webkit-font-variant-ligatures: contextual;
+  font-variant-ligatures: contextual;
+}
+.CodeMirror-wrap pre {
+  word-wrap: break-word;
+  white-space: pre-wrap;
+  word-break: normal;
+}
+
+.CodeMirror-linebackground {
+  position: absolute;
+  left: 0; right: 0; top: 0; bottom: 0;
+  z-index: 0;
+}
+
+.CodeMirror-linewidget {
+  position: relative;
+  z-index: 2;
+  padding: 0.1px; /* Force widget margins to stay inside of the container */
+}
+
+.CodeMirror-widget {}
+
+.CodeMirror-rtl pre { direction: rtl; }
+
+.CodeMirror-code {
+  outline: none;
+}
+
+/* Force content-box sizing for the elements where we expect it */
+.CodeMirror-scroll,
+.CodeMirror-sizer,
+.CodeMirror-gutter,
+.CodeMirror-gutters,
+.CodeMirror-linenumber {
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
+}
+
+.CodeMirror-measure {
+  position: absolute;
+  width: 100%;
+  height: 0;
+  overflow: hidden;
+  visibility: hidden;
+}
+
+.CodeMirror-cursor {
+  position: absolute;
+  pointer-events: none;
+}
+.CodeMirror-measure pre { position: static; }
+
+div.CodeMirror-cursors {
+  visibility: hidden;
+  position: relative;
+  z-index: 3;
+}
+div.CodeMirror-dragcursors {
+  visibility: visible;
+}
+
+.CodeMirror-focused div.CodeMirror-cursors {
+  visibility: visible;
+}
+
+.CodeMirror-selected { background: #d9d9d9; }
+.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
+.CodeMirror-crosshair { cursor: crosshair; }
+.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; }
+.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; }
+
+.cm-searching {
+  background-color: #ffa;
+  background-color: rgba(255, 255, 0, .4);
+}
+
+/* Used to force a border model for a node */
+.cm-force-border { padding-right: .1px; }
+
+@media print {
+  /* Hide the cursor when printing */
+  .CodeMirror div.CodeMirror-cursors {
+    visibility: hidden;
+  }
+}
+
+/* See issue #2901 */
+.cm-tab-wrap-hack:after { content: ''; }
+
+/* Help users use markselection to safely style text background */
+span.CodeMirror-selectedtext { background: none; }

clojure_frontend/resources/public/static/js/codemirror-dockerfile.js

@@ -0,0 +1,211 @@
+// 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"), require("../../addon/mode/simple"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror", "../../addon/mode/simple"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  "use strict";
+
+  var from = "from";
+  var fromRegex = new RegExp("^(\\s*)\\b(" + from + ")\\b", "i");
+
+  var shells = ["run", "cmd", "entrypoint", "shell"];
+  var shellsAsArrayRegex = new RegExp("^(\\s*)(" + shells.join('|') + ")(\\s+\\[)", "i");
+
+  var expose = "expose";
+  var exposeRegex = new RegExp("^(\\s*)(" + expose + ")(\\s+)", "i");
+
+  var others = [
+    "arg", "from", "maintainer", "label", "env",
+    "add", "copy", "volume", "user",
+    "workdir", "onbuild", "stopsignal", "healthcheck", "shell"
+  ];
+
+  // Collect all Dockerfile directives
+  var instructions = [from, expose].concat(shells).concat(others),
+      instructionRegex = "(" + instructions.join('|') + ")",
+      instructionOnlyLine = new RegExp("^(\\s*)" + instructionRegex + "(\\s*)(#.*)?$", "i"),
+      instructionWithArguments = new RegExp("^(\\s*)" + instructionRegex + "(\\s+)", "i");
+
+  CodeMirror.defineSimpleMode("dockerfile", {
+    start: [
+      // Block comment: This is a line starting with a comment
+      {
+        regex: /^\s*#.*$/,
+        sol: true,
+        token: "comment"
+      },
+      {
+        regex: fromRegex,
+        token: [null, "keyword"],
+        sol: true,
+        next: "from"
+      },
+      // Highlight an instruction without any arguments (for convenience)
+      {
+        regex: instructionOnlyLine,
+        token: [null, "keyword", null, "error"],
+        sol: true
+      },
+      {
+        regex: shellsAsArrayRegex,
+        token: [null, "keyword", null],
+        sol: true,
+        next: "array"
+      },
+      {
+        regex: exposeRegex,
+        token: [null, "keyword", null],
+        sol: true,
+        next: "expose"
+      },
+      // Highlight an instruction followed by arguments
+      {
+        regex: instructionWithArguments,
+        token: [null, "keyword", null],
+        sol: true,
+        next: "arguments"
+      },
+      {
+        regex: /./,
+        token: null
+      }
+    ],
+    from: [
+      {
+        regex: /\s*$/,
+        token: null,
+        next: "start"
+      },
+      {
+        // Line comment without instruction arguments is an error
+        regex: /(\s*)(#.*)$/,
+        token: [null, "error"],
+        next: "start"
+      },
+      {
+        regex: /(\s*\S+\s+)(as)/i,
+        token: [null, "keyword"],
+        next: "start"
+      },
+      // Fail safe return to start
+      {
+        token: null,
+        next: "start"
+      }
+    ],
+    single: [
+      {
+        regex: /(?:[^\\']|\\.)/,
+        token: "string"
+      },
+      {
+        regex: /'/,
+        token: "string",
+        pop: true
+      }
+    ],
+    double: [
+      {
+        regex: /(?:[^\\"]|\\.)/,
+        token: "string"
+      },
+      {
+        regex: /"/,
+        token: "string",
+        pop: true
+      }
+    ],
+    array: [
+      {
+        regex: /\]/,
+        token: null,
+        next: "start"
+      },
+      {
+        regex: /"(?:[^\\"]|\\.)*"?/,
+        token: "string"
+      }
+    ],
+    expose: [
+      {
+        regex: /\d+$/,
+        token: "number",
+        next: "start"
+      },
+      {
+        regex: /[^\d]+$/,
+        token: null,
+        next: "start"
+      },
+      {
+        regex: /\d+/,
+        token: "number"
+      },
+      {
+        regex: /[^\d]+/,
+        token: null
+      },
+      // Fail safe return to start
+      {
+        token: null,
+        next: "start"
+      }
+    ],
+    arguments: [
+      {
+        regex: /^\s*#.*$/,
+        sol: true,
+        token: "comment"
+      },
+      {
+        regex: /"(?:[^\\"]|\\.)*"?$/,
+        token: "string",
+        next: "start"
+      },
+      {
+        regex: /"/,
+        token: "string",
+        push: "double"
+      },
+      {
+        regex: /'(?:[^\\']|\\.)*'?$/,
+        token: "string",
+        next: "start"
+      },
+      {
+        regex: /'/,
+        token: "string",
+        push: "single"
+      },
+      {
+        regex: /[^#"']+[\\`]$/,
+        token: null
+      },
+      {
+        regex: /[^#"']+$/,
+        token: null,
+        next: "start"
+      },
+      {
+        regex: /[^#"']+/,
+        token: null
+      },
+      // Fail safe return to start
+      {
+        token: null,
+        next: "start"
+      }
+    ],
+    meta: {
+      lineComment: "#"
+    }
+  });
+
+  CodeMirror.defineMIME("text/x-dockerfile", "dockerfile");
+});

clojure_frontend/resources/public/static/js/codemirror-simple.js

@@ -0,0 +1,216 @@
+// 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) {
+  "use strict";
+
+  CodeMirror.defineSimpleMode = function(name, states) {
+    CodeMirror.defineMode(name, function(config) {
+      return CodeMirror.simpleMode(config, states);
+    });
+  };
+
+  CodeMirror.simpleMode = function(config, states) {
+    ensureState(states, "start");
+    var states_ = {}, meta = states.meta || {}, hasIndentation = false;
+    for (var state in states) if (state != meta && states.hasOwnProperty(state)) {
+      var list = states_[state] = [], orig = states[state];
+      for (var i = 0; i < orig.length; i++) {
+        var data = orig[i];
+        list.push(new Rule(data, states));
+        if (data.indent || data.dedent) hasIndentation = true;
+      }
+    }
+    var mode = {
+      startState: function() {
+        return {state: "start", pending: null,
+                local: null, localState: null,
+                indent: hasIndentation ? [] : null};
+      },
+      copyState: function(state) {
+        var s = {state: state.state, pending: state.pending,
+                 local: state.local, localState: null,
+                 indent: state.indent && state.indent.slice(0)};
+        if (state.localState)
+          s.localState = CodeMirror.copyState(state.local.mode, state.localState);
+        if (state.stack)
+          s.stack = state.stack.slice(0);
+        for (var pers = state.persistentStates; pers; pers = pers.next)
+          s.persistentStates = {mode: pers.mode,
+                                spec: pers.spec,
+                                state: pers.state == state.localState ? s.localState : CodeMirror.copyState(pers.mode, pers.state),
+                                next: s.persistentStates};
+        return s;
+      },
+      token: tokenFunction(states_, config),
+      innerMode: function(state) { return state.local && {mode: state.local.mode, state: state.localState}; },
+      indent: indentFunction(states_, meta)
+    };
+    if (meta) for (var prop in meta) if (meta.hasOwnProperty(prop))
+      mode[prop] = meta[prop];
+    return mode;
+  };
+
+  function ensureState(states, name) {
+    if (!states.hasOwnProperty(name))
+      throw new Error("Undefined state " + name + " in simple mode");
+  }
+
+  function toRegex(val, caret) {
+    if (!val) return /(?:)/;
+    var flags = "";
+    if (val instanceof RegExp) {
+      if (val.ignoreCase) flags = "i";
+      val = val.source;
+    } else {
+      val = String(val);
+    }
+    return new RegExp((caret === false ? "" : "^") + "(?:" + val + ")", flags);
+  }
+
+  function asToken(val) {
+    if (!val) return null;
+    if (val.apply) return val
+    if (typeof val == "string") return val.replace(/\./g, " ");
+    var result = [];
+    for (var i = 0; i < val.length; i++)
+      result.push(val[i] && val[i].replace(/\./g, " "));
+    return result;
+  }
+
+  function Rule(data, states) {
+    if (data.next || data.push) ensureState(states, data.next || data.push);
+    this.regex = toRegex(data.regex);
+    this.token = asToken(data.token);
+    this.data = data;
+  }
+
+  function tokenFunction(states, config) {
+    return function(stream, state) {
+      if (state.pending) {
+        var pend = state.pending.shift();
+        if (state.pending.length == 0) state.pending = null;
+        stream.pos += pend.text.length;
+        return pend.token;
+      }
+
+      if (state.local) {
+        if (state.local.end && stream.match(state.local.end)) {
+          var tok = state.local.endToken || null;
+          state.local = state.localState = null;
+          return tok;
+        } else {
+          var tok = state.local.mode.token(stream, state.localState), m;
+          if (state.local.endScan && (m = state.local.endScan.exec(stream.current())))
+            stream.pos = stream.start + m.index;
+          return tok;
+        }
+      }
+
+      var curState = states[state.state];
+      for (var i = 0; i < curState.length; i++) {
+        var rule = curState[i];
+        var matches = (!rule.data.sol || stream.sol()) && stream.match(rule.regex);
+        if (matches) {
+          if (rule.data.next) {
+            state.state = rule.data.next;
+          } else if (rule.data.push) {
+            (state.stack || (state.stack = [])).push(state.state);
+            state.state = rule.data.push;
+          } else if (rule.data.pop && state.stack && state.stack.length) {
+            state.state = state.stack.pop();
+          }
+
+          if (rule.data.mode)
+            enterLocalMode(config, state, rule.data.mode, rule.token);
+          if (rule.data.indent)
+            state.indent.push(stream.indentation() + config.indentUnit);
+          if (rule.data.dedent)
+            state.indent.pop();
+          var token = rule.token
+          if (token && token.apply) token = token(matches)
+          if (matches.length > 2 && rule.token && typeof rule.token != "string") {
+            state.pending = [];
+            for (var j = 2; j < matches.length; j++)
+              if (matches[j])
+                state.pending.push({text: matches[j], token: rule.token[j - 1]});
+            stream.backUp(matches[0].length - (matches[1] ? matches[1].length : 0));
+            return token[0];
+          } else if (token && token.join) {
+            return token[0];
+          } else {
+            return token;
+          }
+        }
+      }
+      stream.next();
+      return null;
+    };
+  }
+
+  function cmp(a, b) {
+    if (a === b) return true;
+    if (!a || typeof a != "object" || !b || typeof b != "object") return false;
+    var props = 0;
+    for (var prop in a) if (a.hasOwnProperty(prop)) {
+      if (!b.hasOwnProperty(prop) || !cmp(a[prop], b[prop])) return false;
+      props++;
+    }
+    for (var prop in b) if (b.hasOwnProperty(prop)) props--;
+    return props == 0;
+  }
+
+  function enterLocalMode(config, state, spec, token) {
+    var pers;
+    if (spec.persistent) for (var p = state.persistentStates; p && !pers; p = p.next)
+      if (spec.spec ? cmp(spec.spec, p.spec) : spec.mode == p.mode) pers = p;
+    var mode = pers ? pers.mode : spec.mode || CodeMirror.getMode(config, spec.spec);
+    var lState = pers ? pers.state : CodeMirror.startState(mode);
+    if (spec.persistent && !pers)
+      state.persistentStates = {mode: mode, spec: spec.spec, state: lState, next: state.persistentStates};
+
+    state.localState = lState;
+    state.local = {mode: mode,
+                   end: spec.end && toRegex(spec.end),
+                   endScan: spec.end && spec.forceEnd !== false && toRegex(spec.end, false),
+                   endToken: token && token.join ? token[token.length - 1] : token};
+  }
+
+  function indexOf(val, arr) {
+    for (var i = 0; i < arr.length; i++) if (arr[i] === val) return true;
+  }
+
+  function indentFunction(states, meta) {
+    return function(state, textAfter, line) {
+      if (state.local && state.local.mode.indent)
+        return state.local.mode.indent(state.localState, textAfter, line);
+      if (state.indent == null || state.local || meta.dontIndentStates && indexOf(state.state, meta.dontIndentStates) > -1)
+        return CodeMirror.Pass;
+
+      var pos = state.indent.length - 1, rules = states[state.state];
+      scan: for (;;) {
+        for (var i = 0; i < rules.length; i++) {
+          var rule = rules[i];
+          if (rule.data.dedent && rule.data.dedentIfLineStart !== false) {
+            var m = rule.regex.exec(textAfter);
+            if (m && m[0]) {
+              pos--;
+              if (rule.next || rule.push) rules = states[rule.next || rule.push];
+              textAfter = textAfter.slice(m[0].length);
+              continue scan;
+            }
+          }
+        }
+        break;
+      }
+      return pos < 0 ? 0 : state.indent[pos];
+    };
+  }
+});

clojure_frontend/src/toaster/bulma.clj

@@ -108,9 +108,18 @@
     [:title title]
     [:link {:href "https://fonts.googleapis.com/css?family=Open+Sans:300,400,700"
             :rel "stylesheet"}]
+
+    ;; non-invasive js for syntax highlight of text-area
+    (page/include-js  "/static/js/codemirror.js")
+    (page/include-js  "/static/js/codemirror-simple.js")
+    (page/include-js  "/static/js/codemirror-dockerfile.js")
+
     ;; cascade style sheets
     (page/include-css "/static/css/bulma.min.css")
     (page/include-css "/static/css/json-html.css")
+    (page/include-css "/static/css/codemirror.css")
+
+
     ;;    (page/include-css "/static/css/fa-regular.min.css")
     ;;    (page/include-css "/static/css/fontawesome.min.css")
 

clojure_frontend/src/toaster/handler.clj

@@ -98,11 +98,6 @@
                             (views/dashboard acct)]))
              (auth-wrap request)))
 
-  ;; (GET "/list" request
-  ;;      (->> (fn [req conf acct]
-  ;;             (web/render acct (views/list-jobs acct)))
-  ;;           (auth-wrap request)))
-
   (POST "/remove" request
         (->> (fn [req conf acct]
                (web/render acct [:body

clojure_frontend/src/toaster/views.clj

@@ -152,6 +152,8 @@
     dockerfile (-> jobfound :dockerfile)]
    [:div {:class "box"}
     [:h1 {:class "title"} (str "Viewing job: " jobid)]
-    [:pre dockerfile]]
+    [:form [:textarea {:id "code" :name "code" } dockerfile]]
-   (f/when-failed [e]
+    [:script "var editor = CodeMirror.fromTextArea(document.getElementById(\"code\"),
-     (web/notify (str "Failure viewing job: " (f/message e)) "is-error"))))
+        { lineNumbers: true, mode: \"dockerfile\" });"]]
+     (f/when-failed [e]
+       (web/notify (str "Failure viewing job: " (f/message e)) "is-error"))))