feat: add support for update expression

Author: thetutlage

fixtures/update-expression/index.edge

@@ -0,0 +1 @@
+The value is {{ counter++ }}

fixtures/update-expression/index.js

@@ -0,0 +1,10 @@
+let out = "";
+let $lineNumber = 1;
+let $filename = "{{ __dirname }}index.edge";
+try {
+out += "The value is ";
+out += `${ctx.escape(state.counter++)}`;
+} catch (error) {
+ctx.reThrow(error, $filename, $lineNumber);
+}
+return out;

src/expressions/index.ts

@@ -30,3 +30,4 @@ export { default as ReturnStatement } from './return_statement.js'
 export { default as ThisExpression } from './this_expression.js'
 export { default as ChainExpression } from './chain_expression.js'
 export { default as SpreadElement } from './spread_element.js'
+export { default as UpdateExpression } from './update_expression.ts'

src/expressions/update_expression.ts

@@ -0,0 +1,18 @@
+/*
+ * edge-parser
+ *
+ * (c) Harminder Virk <virk@adonisjs.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+import { transformAst } from '../parser/transform_ast.js'
+import { type Parser } from '../parser/main.js'
+
+export default {
+  toStatement(statement: any, filename: string, parser: Parser) {
+    statement.argument = transformAst(statement.argument, filename, parser)
+    return statement
+  },
+}