code highlight disabled if not necessary, close #42

.jshintrc

@@ -1,7 +1,6 @@
 {
     "maxerr": 50,
     "camelcase": true,
-    "curly": true,
     "eqeqeq": true,
     "esversion": 6,
     "forin": true,

app/parsers/md2html.js

@@ -12,8 +12,9 @@ const markdownitSup = require('markdown-it-sup');
 const markdownitMark = require('markdown-it-mark');
 const markdownitIns = require('markdown-it-ins');
 
-
+let highlighted;
 function highlightRenderer(str, lang) {
+    highlighted=true;
     if (lang && Hljs.getLanguage(lang)) {
         try {
             return Hljs.highlight(lang, str).value;
@@ -25,6 +26,7 @@ function highlightRenderer(str, lang) {
 }
 
 module.exports = function(content, options, cb) {
+    highlighted=false;
     let config = {
         html: true,
         linkify: true, //automatic links
@@ -36,5 +38,7 @@ module.exports = function(content, options, cb) {
         .use(markdownitMark)
         .use(markdownitIns);
     let res = md.render(content);
+    if(!options.temp) options.temp={};
+    options.temp.requireHighlight=highlighted;
     return cb(null, res);
 };

app/renderers/renderer.js

@@ -79,6 +79,7 @@ module.exports = class Renderer {
 
     //Public
     renderFile(file, done) {
+        this.options.temp={}; //resets temporal options
         this.beforeLoad(file);
         this.fileLoader(file, (err, rawContent) => {
             if (err) return done(err);
@@ -114,7 +115,7 @@ module.exports = class Renderer {
     setTemplateOptions() {
         return {
             styleFile: "github-markdown.css",
-            highlight: this.options.highlight,
+            highlight: this.options.highlight && this.options.temp.requireHighlight,
             style: this.options.style,
             resourcesPath: this.options.resourcesPath,
             koala: this.options.koala,

test/parsers.js

@@ -36,9 +36,12 @@ describe("Parsers", function() {
         });
     });
     describe("mM2html", function() {
-        const rendererOptions = {
-            highlight: true
-        };
+        let rendererOptions;
+        beforeEach(function() {
+            rendererOptions = {
+                highlight: true
+            };
+        });
 
         it("Basic test", function(done) {
             md2html("example", rendererOptions, function(err, res) {
@@ -63,6 +66,34 @@ describe("Parsers", function() {
             }
             cb();
         });
+
+        it("Highlight temporal option", function(done) {
+            md2html("example", rendererOptions, function(err, res) {
+                assert.notOk(err);
+                assert.ok(res);
+                assert.ok(rendererOptions.temp);
+                assert.strictEqual(rendererOptions.temp.requireHighlight, false);
+                md2html("```\ntest code\n```", rendererOptions, function(err, res) {
+                    assert.notOk(err);
+                    assert.ok(res);
+                    assert.ok(rendererOptions.temp);
+                    assert.strictEqual(rendererOptions.temp.requireHighlight, true);
+                    md2html("example2", rendererOptions, function(err, res) {
+                        assert.notOk(err);
+                        assert.ok(res);
+                        assert.ok(rendererOptions.temp);
+                        assert.strictEqual(rendererOptions.temp.requireHighlight, false);
+                        md2html("`inline code`", rendererOptions, function(err, res) {
+                            assert.notOk(err);
+                            assert.ok(res);
+                            assert.ok(rendererOptions.temp);
+                            assert.strictEqual(rendererOptions.temp.requireHighlight, false);
+                            done();
+                        });
+                    });
+                });
+            });
+        });
     });
 
     describe("Html2pdf", function() {

test/renderer.js

@@ -98,19 +98,29 @@ describe("Renderers", function() {
                         assert.match(res, regex.html);
                         assert.match(res, regex.options.highlightjs);
                         assert.match(res, regex.options.highlightcss);
-                        let renderer = new HtmlRenderer({
-                            outputFilename: testDir + "/test",
-                            highlight: false
-                        });
-                        renderer.renderFile(testDir + "/" + testFiles[0], function(err) {
+                        renderer.renderFile(testDir + "/" + testFiles[1], function(err) {
                             assert.notOk(err);
                             fs.readFile(testDir + "/test.html", "utf8", function(err, res) {
                                 assert.notOk(err);
                                 assert.ok(res);
                                 assert.match(res, regex.html);
                                 assert.notMatch(res, regex.options.highlightjs);
                                 assert.notMatch(res, regex.options.highlightcss);
-                                done();
+                            let renderer = new HtmlRenderer({
+                                outputFilename: testDir + "/test",
+                                highlight: false
+                            });
+                            renderer.renderFile(testDir + "/" + testFiles[0], function(err) {
+                                assert.notOk(err);
+                                fs.readFile(testDir + "/test.html", "utf8", function(err, res) {
+                                    assert.notOk(err);
+                                    assert.ok(res);
+                                    assert.match(res, regex.html);
+                                    assert.notMatch(res, regex.options.highlightjs);
+                                    assert.notMatch(res, regex.options.highlightcss);
+                                    done();
+                                });
+                            });
                             });
                         });
                     });