fix: Support code blocks with four spaces

Closes #1218.

Author: Gerrit0

examples/basic/src/modules.ts

@@ -1,5 +1,8 @@
 /**
- * ...
+ * This comment has a code block that is only marked by indentation.
+ *
+ *     @thisIsADecorator
+ *     class Foo {}
  */
 
 /**

src/lib/converter/factories/comment.ts

@@ -189,16 +189,17 @@ export function parseComment(text: string, comment: Comment = new Comment()): Co
     }
 
     const CODE_FENCE = /^\s*```(?!.*```)/;
-    let inCode = false;
+    let inFencedCode = false;
     function readLine(line: string) {
         line = line.replace(/^\s*\*? ?/, '');
         line = line.replace(/\s*$/, '');
 
-        if (CODE_FENCE.test(line) ) {
-          inCode = !inCode;
+        if (CODE_FENCE.test(line)) {
+          inFencedCode = !inFencedCode;
         }
 
-        if (!inCode) {
+        // Four spaces can be used to make code blocks too.
+        if (!inFencedCode && !line.startsWith('    ')) {
           const tag = /^\s*@(\S+)(.*)$/.exec(line);
           if (tag) {
             return readTagLine(line, tag);

src/test/renderer/specs/modules/_modules_.html

@@ -69,8 +69,10 @@ <h1>External module &quot;modules&quot;</h1>
 			<section class="tsd-panel tsd-comment">
 				<div class="tsd-comment tsd-typography">
 					<div class="lead">
-						<p>...</p>
+						<p>This comment has a code block that is only marked by indentation.</p>
 					</div>
+					<pre><code>@thisIsADecorator
+<span class="hljs-keyword">class</span> <span class="hljs-symbol">Foo</span> {}</code></pre>
 				</div>
 			</section>
 			<section class="tsd-panel-group tsd-index-group">
@@ -108,7 +110,7 @@ <h3><span class="tsd-flag ts-flagLet">Let</span> exported<wbr>Global<wbr>Variabl
 					<div class="tsd-signature tsd-kind-icon">exported<wbr>Global<wbr>Variable<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> = &quot;foo&quot;</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L49">modules.ts:49</a></li>
+							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L52">modules.ts:52</a></li>
 						</ul>
 					</aside>
 					<div class="tsd-comment tsd-typography">
@@ -123,7 +125,7 @@ <h3><span class="tsd-flag ts-flagLet">Let</span> global<wbr>Variable</h3>
 					<div class="tsd-signature tsd-kind-icon">global<wbr>Variable<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> = &quot;foo&quot;</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L54">modules.ts:54</a></li>
+							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L57">modules.ts:57</a></li>
 						</ul>
 					</aside>
 					<div class="tsd-comment tsd-typography">
@@ -138,7 +140,7 @@ <h3><span class="tsd-flag ts-flagLet">Let</span> type<wbr>Literal</h3>
 					<div class="tsd-signature tsd-kind-icon">type<wbr>Literal<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">{ </span>valueA<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">; </span>valueB<span class="tsd-signature-symbol">?: </span><span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">; </span>valueX<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">{ </span>valueA<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol">; </span>valueY<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span>z<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-symbol">{ </span>a<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>b<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">; </span>valueZ<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> }</span><span class="tsd-signature-symbol">; </span>valueY<span class="tsd-signature-symbol">: </span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol">; </span>valueZ<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> }</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L71">modules.ts:71</a></li>
+							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L74">modules.ts:74</a></li>
 						</ul>
 					</aside>
 					<div class="tsd-type-declaration">
@@ -230,7 +232,7 @@ <h3><span class="tsd-flag ts-flagLet">Let</span> object<wbr>Literal</h3>
 					<div class="tsd-signature tsd-kind-icon">object<wbr>Literal<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">object</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L59">modules.ts:59</a></li>
+							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L62">modules.ts:62</a></li>
 						</ul>
 					</aside>
 					<div class="tsd-comment tsd-typography">
@@ -244,7 +246,7 @@ <h3>valueA</h3>
 						<div class="tsd-signature tsd-kind-icon">valueA<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><span class="tsd-signature-symbol"> = 100</span></div>
 						<aside class="tsd-sources">
 							<ul>
-								<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L67">modules.ts:67</a></li>
+								<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L70">modules.ts:70</a></li>
 							</ul>
 						</aside>
 					</section>
@@ -254,7 +256,7 @@ <h3>valueB</h3>
 						<div class="tsd-signature tsd-kind-icon">valueB<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol"> = true</span></div>
 						<aside class="tsd-sources">
 							<ul>
-								<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L68">modules.ts:68</a></li>
+								<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L71">modules.ts:71</a></li>
 							</ul>
 						</aside>
 					</section>
@@ -264,7 +266,7 @@ <h3>valueZ</h3>
 						<div class="tsd-signature tsd-kind-icon">valueZ<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> = &quot;foo&quot;</span></div>
 						<aside class="tsd-sources">
 							<ul>
-								<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L60">modules.ts:60</a></li>
+								<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L63">modules.ts:63</a></li>
 							</ul>
 						</aside>
 					</section>
@@ -278,7 +280,7 @@ <h3>valueY</h3>
 							<li class="tsd-description">
 								<aside class="tsd-sources">
 									<ul>
-										<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L61">modules.ts:61</a></li>
+										<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L64">modules.ts:64</a></li>
 									</ul>
 								</aside>
 								<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">string</span></h4>
@@ -291,7 +293,7 @@ <h3>valueX</h3>
 						<div class="tsd-signature tsd-kind-icon">valueX<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">object</span></div>
 						<aside class="tsd-sources">
 							<ul>
-								<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L62">modules.ts:62</a></li>
+								<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L65">modules.ts:65</a></li>
 							</ul>
 						</aside>
 						<section class="tsd-panel tsd-member tsd-kind-variable tsd-parent-kind-object-literal tsd-is-not-exported">
@@ -300,7 +302,7 @@ <h3>valueA</h3>
 							<div class="tsd-signature tsd-kind-icon">valueA<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol"> = [100, 200, 300]</span></div>
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L65">modules.ts:65</a></li>
+									<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L68">modules.ts:68</a></li>
 								</ul>
 							</aside>
 						</section>
@@ -310,7 +312,7 @@ <h3>valueZ</h3>
 							<div class="tsd-signature tsd-kind-icon">valueZ<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> = &quot;foo&quot;</span></div>
 							<aside class="tsd-sources">
 								<ul>
-									<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L63">modules.ts:63</a></li>
+									<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L66">modules.ts:66</a></li>
 								</ul>
 							</aside>
 						</section>
@@ -324,7 +326,7 @@ <h3>valueY</h3>
 								<li class="tsd-description">
 									<aside class="tsd-sources">
 										<ul>
-											<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L64">modules.ts:64</a></li>
+											<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L67">modules.ts:67</a></li>
 										</ul>
 									</aside>
 									<h4 class="tsd-parameters-title">Parameters</h4>

src/test/renderer/specs/modules/_modules_.mymodule.html

@@ -111,7 +111,7 @@ <h3><span class="tsd-flag ts-flagLet">Let</span> exported<wbr>Module<wbr>Variabl
 					<div class="tsd-signature tsd-kind-icon">exported<wbr>Module<wbr>Variable<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> = &quot;foo&quot;</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L31">modules.ts:31</a></li>
+							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L34">modules.ts:34</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -121,7 +121,7 @@ <h3><span class="tsd-flag ts-flagLet">Let</span> module<wbr>Variable</h3>
 					<div class="tsd-signature tsd-kind-icon">module<wbr>Variable<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">[]</span><span class="tsd-signature-symbol"> = [100, 200]</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L33">modules.ts:33</a></li>
+							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L36">modules.ts:36</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -131,7 +131,7 @@ <h3><span class="tsd-flag ts-flagLet">Let</span> module<wbr>Variable2</h3>
 					<div class="tsd-signature tsd-kind-icon">module<wbr>Variable2<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">[]</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L35">modules.ts:35</a></li>
+							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L38">modules.ts:38</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -144,7 +144,7 @@ <h3><span class="tsd-flag ts-flagLet">Let</span> object</h3>
 					<div class="tsd-signature tsd-kind-icon">object<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">object</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L12">modules.ts:12</a></li>
+							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L15">modules.ts:15</a></li>
 						</ul>
 					</aside>
 					<div class="tsd-comment tsd-typography">
@@ -158,7 +158,7 @@ <h3>name</h3>
 						<div class="tsd-signature tsd-kind-icon">name<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span><span class="tsd-signature-symbol"> = &quot;Test&quot;</span></div>
 						<aside class="tsd-sources">
 							<ul>
-								<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L16">modules.ts:16</a></li>
+								<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L19">modules.ts:19</a></li>
 							</ul>
 						</aside>
 						<div class="tsd-comment tsd-typography">
@@ -177,7 +177,7 @@ <h3>print</h3>
 							<li class="tsd-description">
 								<aside class="tsd-sources">
 									<ul>
-										<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L21">modules.ts:21</a></li>
+										<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L24">modules.ts:24</a></li>
 									</ul>
 								</aside>
 								<div class="tsd-comment tsd-typography">

src/test/renderer/specs/modules/_modules_.mymodule.mysubmodule.html

@@ -101,7 +101,7 @@ <h3><span class="tsd-flag ts-flagLet">Let</span> a</h3>
 					<div class="tsd-signature tsd-kind-icon">a<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L28">modules.ts:28</a></li>
+							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L31">modules.ts:31</a></li>
 						</ul>
 					</aside>
 				</section>
@@ -111,7 +111,7 @@ <h3><span class="tsd-flag ts-flagLet">Let</span> b</h3>
 					<div class="tsd-signature tsd-kind-icon">b<span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">string</span></div>
 					<aside class="tsd-sources">
 						<ul>
-							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L43">modules.ts:43</a></li>
+							<li>Defined in <a href="https://github.com/sebastian-lenz/typedoc/blob/master/examples/basic/src/modules.ts#L46">modules.ts:46</a></li>
 						</ul>
 					</aside>
 				</section>