fix html serializer for cases without children

.eslintrc

@@ -44,8 +44,8 @@
     "no-array-constructor": "error",
     "no-class-assign": "error",
     "no-const-assign": "error",
-    "no-console": "warn",
+    "no-console": "error",
-    "no-debugger": "warn",
+    "no-debugger": "error",
     "no-dupe-args": "error",
     "no-dupe-class-members": "error",
     "no-dupe-keys": "error",

lib/serializers/raw.js

@@ -480,7 +480,7 @@ const Raw = {
    */
 
   untersifyBlock(object) {
-    if (object.isVoid) {
+    if (object.isVoid || !object.nodes || !object.nodes.length) {
       return {
         data: object.data,
         kind: object.kind,
@@ -506,7 +506,7 @@ const Raw = {
    */
 
   untersifyInline(object) {
-    if (object.isVoid) {
+    if (object.isVoid || !object.nodes || !object.nodes.length) {
       return {
         data: object.data,
         kind: object.kind,

test/serializers/fixtures/html/deserialize/block-no-children/index.js

@@ -0,0 +1,25 @@
+
+export default {
+  rules: [
+    {
+      deserialize(el, next) {
+        switch (el.tagName) {
+          case 'p': {
+            return {
+              kind: 'block',
+              type: 'paragraph',
+              nodes: next(el.children)
+            }
+          }
+          case 'a': {
+            return {
+              kind: 'inline',
+              type: 'link',
+              nodes: next(el.children)
+            }
+          }
+        }
+      }
+    }
+  ]
+}

test/serializers/fixtures/html/deserialize/block-no-children/input.html

@@ -0,0 +1 @@
+<p></p>

test/serializers/fixtures/html/deserialize/block-no-children/output.yaml

@@ -0,0 +1,7 @@
+
+nodes:
+  - type: paragraph
+    isVoid: false
+    data: {}
+    nodes:
+      - characters: []

test/serializers/fixtures/html/deserialize/inline-no-children/index.js

@@ -0,0 +1,25 @@
+
+export default {
+  rules: [
+    {
+      deserialize(el, next) {
+        switch (el.tagName) {
+          case 'p': {
+            return {
+              kind: 'block',
+              type: 'paragraph',
+              nodes: next(el.children)
+            }
+          }
+          case 'a': {
+            return {
+              kind: 'inline',
+              type: 'link',
+              nodes: next(el.children)
+            }
+          }
+        }
+      }
+    }
+  ]
+}

test/serializers/fixtures/html/deserialize/inline-no-children/input.html

@@ -0,0 +1 @@
+<p><a></a></p>

test/serializers/fixtures/html/deserialize/inline-no-children/output.yaml

@@ -0,0 +1,7 @@
+
+nodes:
+  - type: paragraph
+    isVoid: false
+    data: {}
+    nodes:
+      - characters: []

test/serializers/fixtures/raw/deserialize-terse/block-with-empty-nodes/input.yaml

@@ -0,0 +1,5 @@
+
+nodes:
+  - kind: block
+    type: paragraph
+    nodes: []

test/serializers/fixtures/raw/deserialize-terse/block-with-empty-nodes/output.yaml

@@ -0,0 +1,7 @@
+
+nodes:
+  - type: paragraph
+    isVoid: false
+    data: {}
+    nodes:
+      - characters: []

test/serializers/fixtures/raw/deserialize-terse/block-with-no-nodes/input.yaml

@@ -0,0 +1,4 @@
+
+nodes:
+  - kind: block
+    type: paragraph

test/serializers/fixtures/raw/deserialize-terse/block-with-no-nodes/output.yaml

@@ -0,0 +1,7 @@
+
+nodes:
+  - type: paragraph
+    isVoid: false
+    data: {}
+    nodes:
+      - characters: []