fix: allow boolean value as autoescape type

Close GH-63

Ref: https://twig.symfony.com/doc/3.x/tags/autoescape.html

CHANGELOG.md

@@ -8,6 +8,7 @@
 ### Bugfixes
 - Fix handling mapping that omit key part
 - Fix documentation about `twigAlwaysBreakObjects` option to reflect actual default value
+- Fix autoescape block which allow boolean value (`true` and `false`) as a valid escape type
 
 ### Internals
 - Make `key` part of `ObjectProperty` type optional to support object declaration that omit key part

src/print/AutoescapeBlock.js

@@ -1,16 +1,26 @@
 import { doc } from "prettier";
+import { isBoolean } from "lodash";
 import { printChildBlock, quoteChar } from "../util/index.js";
 
 const { hardline } = doc.builders;
 
+const printEscapeType = (escapeType, options) => {
+    if (escapeType === null) {
+        return [];
+    }
+
+    if (isBoolean(escapeType)) {
+        return [escapeType ? "true" : "false", " "];
+    }
+
+    return [quoteChar(options), escapeType, quoteChar(options), " "];
+};
+
 const createOpener = (node, options) => {
     return [
         node.trimLeft ? "{%-" : "{%",
         " autoescape ",
-        quoteChar(options),
-        node.escapeType || "html",
-        quoteChar(options),
-        " ",
+        ...printEscapeType(node.escapeType, options),
         node.trimRightAutoescape ? "-%}" : "%}"
     ];
 };

tests/Statements/__snapshots__/autoescape.snap.twig

@@ -7,3 +7,29 @@
 {%- autoescape 'html' -%}
     <button type="button">Click me</button>
 {%- endautoescape -%}
+
+{# Test case from https://twig.symfony.com/doc/3.x/tags/autoescape.html #}
+
+{% autoescape %}
+    Everything will be automatically escaped in this block using the HTML
+    strategy
+{% endautoescape %}
+
+{% autoescape 'html' %}
+    Everything will be automatically escaped in this block using the HTML
+    strategy
+{% endautoescape %}
+
+{% autoescape 'js' %}
+    Everything will be automatically escaped in this block using the js escaping
+    strategy
+{% endautoescape %}
+
+{% autoescape false %}
+    Everything will be outputted as is in this block
+{% endautoescape %}
+
+{% autoescape true %}
+    Everything will be automatically escaped in this block using the HTML
+    strategy
+{% endautoescape %}

tests/Statements/autoescape.twig

@@ -9,3 +9,29 @@
 {%- autoescape 'html' -%}
 <button type="button">Click me</button>
 {%- endautoescape -%}
+
+{# Test case from https://twig.symfony.com/doc/3.x/tags/autoescape.html #}
+
+{% autoescape %}
+    Everything will be automatically escaped in this block
+    using the HTML strategy
+{% endautoescape %}
+
+{% autoescape 'html' %}
+    Everything will be automatically escaped in this block
+    using the HTML strategy
+{% endautoescape %}
+
+{% autoescape 'js' %}
+    Everything will be automatically escaped in this block
+    using the js escaping strategy
+{% endautoescape %}
+
+{% autoescape false %}
+    Everything will be outputted as is in this block
+{% endautoescape %}
+
+{% autoescape true %}
+    Everything will be automatically escaped in this block
+    using the HTML strategy
+{% endautoescape %}