HTML to Markdown conversion when pasting rich text

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "stackedit",
-  "version": "5.7.0",
+  "version": "5.7.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -14,6 +14,11 @@
         "through": "2.3.8"
       }
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+      "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
+      "integrity": "sha1-X6rZwsB/YN12dw9xzwJbYqY8/U4="
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@@ -32,8 +37,7 @@
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+      "integrity": "sha512-Yej+zOJ1Dm/IMZzzj78OntP/r3zHEaKcyNoU2lAaxPtrseM6rF0xwqoz5Q5ysAiED9hTjI2hgtvLXitlCN1/Ug=="
-      "dev": true
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@@ -52,6 +56,14 @@
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+    "acorn-globals": {
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+      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-4.1.0.tgz",
+      "integrity": "sha512-KjZwU26uG3u6eZcfGbTULzFcsoz6pegNKtHPksZPOUsiKo5bUmiBPa38FuHZ/Eun+XYh/JCCkS9AS3Lu4McQOQ==",
+      "requires": {
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@@ -224,6 +236,11 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/array-equal/-/array-equal-1.0.0.tgz",
+      "integrity": "sha1-jCpe8kcv2ep0KwTHenUJO6J1fJM="
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@@ -349,8 +366,7 @@
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+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg=="
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@@ -1381,6 +1397,11 @@
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       "dev": true
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+    "browser-process-hrtime": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/browser-process-hrtime/-/browser-process-hrtime-0.1.2.tgz",
+      "integrity": "sha1-Ql1opY00R/AqBKqJQYf86K+Le44="
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@@ -2320,6 +2341,11 @@
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+      "resolved": "https://registry.npmjs.org/content-type-parser/-/content-type-parser-1.0.2.tgz",
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+    },
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@@ -2763,6 +2789,19 @@
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+      "resolved": "https://registry.npmjs.org/cssom/-/cssom-0.3.2.tgz",
+      "integrity": "sha1-uANhcMefB6kP8vFuIihAJ6JDhIs="
+    },
+    "cssstyle": {
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+      "resolved": "https://registry.npmjs.org/cssstyle/-/cssstyle-0.2.37.tgz",
+      "integrity": "sha1-VBCXI0yyUTyDzu06zdwn/yeYfVQ=",
+      "requires": {
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@@ -2866,8 +2905,7 @@
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-      "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
+      "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ="
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@@ -3131,6 +3169,14 @@
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+    "domexception": {
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+      "resolved": "https://registry.npmjs.org/domexception/-/domexception-1.0.1.tgz",
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+      "requires": {
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@@ -3427,6 +3473,31 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/escodegen/-/escodegen-1.9.0.tgz",
+      "integrity": "sha512-v0MYvNQ32bzwoG2OSFzWAkuahDQHK92JBN0pTAALJ4RIxEZe766QJPDR8Hqy7XNUy5K3fnVL76OqYAdc4TZEIw==",
+      "requires": {
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+        "estraverse": "4.2.0",
+        "esutils": "2.0.2",
+        "optionator": "0.8.2",
+        "source-map": "0.5.7"
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+      "dependencies": {
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+          "version": "3.1.3",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-3.1.3.tgz",
+          "integrity": "sha1-/cpRzuYTOJXjyI1TXOSdv/YqRjM="
+        },
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+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "optional": true
+        }
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@@ -3658,14 +3729,12 @@
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-      "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
+      "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM="
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-      "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
+      "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs="
-      "dev": true
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@@ -3948,8 +4017,7 @@
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-      "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
+      "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc="
-      "dev": true
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@@ -6419,6 +6487,14 @@
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+      "resolved": "https://registry.npmjs.org/html-encoding-sniffer/-/html-encoding-sniffer-1.0.2.tgz",
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+      "requires": {
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@@ -7250,6 +7326,46 @@
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+      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-11.6.2.tgz",
+      "integrity": "sha512-pAeZhpbSlUp5yQcS6cBQJwkbzmv4tWFaYxHbFVSxzXefqjvtRA851Z5N2P+TguVG9YeUDcgb8pdeVQRJh0XR3Q==",
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+        "acorn": "5.3.0",
+        "acorn-globals": "4.1.0",
+        "array-equal": "1.0.0",
+        "browser-process-hrtime": "0.1.2",
+        "content-type-parser": "1.0.2",
+        "cssom": "0.3.2",
+        "cssstyle": "0.2.37",
+        "domexception": "1.0.1",
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+        "nwmatcher": "1.4.3",
+        "parse5": "4.0.0",
+        "pn": "1.1.0",
+        "request": "2.83.0",
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+        "sax": "1.2.4",
+        "symbol-tree": "3.2.2",
+        "tough-cookie": "2.3.3",
+        "w3c-hr-time": "1.0.1",
+        "webidl-conversions": "4.0.2",
+        "whatwg-encoding": "1.0.3",
+        "whatwg-url": "6.4.0",
+        "ws": "4.0.0",
+        "xml-name-validator": "3.0.0"
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@@ -7487,11 +7603,15 @@
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@@ -8991,6 +9111,11 @@
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+      "resolved": "https://registry.npmjs.org/nwmatcher/-/nwmatcher-1.4.3.tgz",
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@@ -9272,7 +9397,6 @@
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@@ -9285,8 +9409,7 @@
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-          "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
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@@ -9600,6 +9723,11 @@
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+    "parse5": {
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+      "resolved": "https://registry.npmjs.org/parse5/-/parse5-4.0.0.tgz",
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@@ -9796,8 +9924,7 @@
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@@ -10496,8 +10623,7 @@
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-      "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=",
+      "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ="
-      "dev": true
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@@ -11176,6 +11302,24 @@
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+      "resolved": "https://registry.npmjs.org/request-promise-core/-/request-promise-core-1.1.1.tgz",
+      "integrity": "sha1-Pu4AssWqgyOc+wTFcA2jb4HNCLY=",
+      "requires": {
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+    "request-promise-native": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/request-promise-native/-/request-promise-native-1.0.5.tgz",
+      "integrity": "sha1-UoF3D2jgyXGeUWP9P6tIIhX0/aU=",
+      "requires": {
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+        "stealthy-require": "1.1.1",
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@@ -12841,6 +12985,11 @@
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+      "resolved": "https://registry.npmjs.org/stealthy-require/-/stealthy-require-1.1.1.tgz",
+      "integrity": "sha1-NbCYdbT/SfJqd35QmzCQoyJr8ks="
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@@ -13344,6 +13493,11 @@
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+      "resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.2.tgz",
+      "integrity": "sha1-rifbOPZgp64uHDt9G8KQgZuFGeY="
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@@ -13748,6 +13902,14 @@
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+      "resolved": "https://registry.npmjs.org/turndown/-/turndown-4.0.1.tgz",
+      "integrity": "sha512-xC83XzYm+yLuQWLBc87s63FLn4+ERdZOxDqlrlvKKWcyL9UFhwtR4hAqmFBKDUQyejRZWU9Fac4vMHomlFboyg==",
+      "requires": {
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@@ -13758,7 +13920,6 @@
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@@ -13824,8 +13985,7 @@
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@@ -14417,6 +14577,14 @@
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+    "w3c-hr-time": {
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+      "integrity": "sha1-gqwr/2PZUOqeMYmlimViX+3xkEU=",
+      "requires": {
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@@ -14767,6 +14935,14 @@
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+    "whatwg-encoding": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-1.0.3.tgz",
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+      "requires": {
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       "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-6.4.0.tgz",
@@ -14875,7 +15051,6 @@
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/ws/-/ws-4.0.0.tgz",
       "integrity": "sha512-QYslsH44bH8O7/W2815u5DpnCpXWpEK44FmaHffNwgJI4JMaSZONgPBTOfrxJ29mXKbXak+LsJ2uAkDTYq2ptQ==",
-      "dev": true,
       "requires": {
         "async-limiter": "1.0.0",
         "safe-buffer": "5.1.1",
@@ -14900,6 +15075,11 @@
       "integrity": "sha1-ZGV4SKIP/F31g6Qq2KJ3tFErvE0=",
       "dev": true
     },
+    "xml-name-validator": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
+      "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw=="
+    },
     "xml-parse-from-string": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/xml-parse-from-string/-/xml-parse-from-string-1.0.1.tgz",

package.json

@@ -48,6 +48,7 @@
     "request": "^2.82.0",
     "serve-static": "^1.12.6",
     "tmp": "^0.0.33",
+    "turndown": "^4.0.1",
     "vue": "^2.3.3",
     "vuex": "^2.3.1"
   },

src/libs/cleditCore.js

@@ -1,4 +1,13 @@
-var DiffMatchPatch = require('diff-match-patch');
+var htmlSanitizer = require('./htmlSanitizer').default
+var DiffMatchPatch = require('diff-match-patch')
+var TurndownService = require('turndown/lib/turndown.browser.umd')
+
+var turndownService = new TurndownService({
+  headingStyle: 'atx',
+  hr: '----------',
+  bulletListMarker: '-',
+  codeBlockStyle: 'fenced',
+})
 
 function cledit(contentElt, scrollElt, windowParam) {
   scrollElt = scrollElt || contentElt
@@ -293,6 +302,18 @@ function cledit(contentElt, scrollElt, windowParam) {
     var clipboardData = evt.clipboardData
     if (clipboardData) {
       data = clipboardData.getData('text/plain')
+      try {
+        var html = clipboardData.getData('text/html');
+        if (html) {
+          var sanitizedHtml = htmlSanitizer.sanitizeHtml(html)
+            .replace(/ /g, ' '); // Replace non-breaking spaces with classic spaces
+          if (sanitizedHtml && sanitizedHtml.indexOf('<span class="token ') === -1) {
+            data = turndownService.turndown(sanitizedHtml);
+          }
+        }
+      } catch(e) {
+        // Ignore
+      }
     } else {
       clipboardData = editor.$window.clipboardData
       data = clipboardData && clipboardData.getData('Text')