feat: support new Error

searchfe · Mar 26, 2020 · 6c9de43 · 6c9de43
1 parent 9f54c7b
commit 6c9de43
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Showing 2 changed files with 19 additions and 8 deletions.
diff --git a/src/emitter.ts b/src/emitter.ts
@@ -1637,15 +1637,24 @@ export function emitFile(
     // }
 
     function emitThrowStatement(node: ts.ThrowStatement) {
-        // 只支持字符串
-        if (!isStringLike(node.expression, typeChecker)) {
-            return;
+        if (isStringLike(node.expression, typeChecker)) {
+            emitTokenWithComment(SyntaxKind.ThrowKeyword, node.pos, writeKeyword, node);
+            emitExpressionWithLeadingSpace(
+                ts.createNew(ts.createIdentifier('\\Exception'), null, [node.expression])
+            );
+            writeSemicolon();
+        }
+        if (
+            ts.isNewExpression(node.expression)
+            && ts.isIdentifier(node.expression.expression)
+            && node.expression.expression.getText() === 'Error'
+        ) {
+            emitTokenWithComment(SyntaxKind.ThrowKeyword, node.pos, writeKeyword, node);
+            emitExpressionWithLeadingSpace(
+                ts.createNew(ts.createIdentifier('\\Exception'), null, [node.expression.arguments[0]])
+            );
+            writeSemicolon();
         }
-        emitTokenWithComment(SyntaxKind.ThrowKeyword, node.pos, writeKeyword, node);
-        emitExpressionWithLeadingSpace(
-            ts.createNew(ts.createIdentifier('\\Exception'), null, [node.expression])
-        );
-        writeSemicolon();
     }
 
     function emitTryStatement(node: ts.TryStatement) {

diff --git a/test/features/exception.md b/test/features/exception.md
@@ -6,6 +6,7 @@ exception
 ```ts
 try {
     throw 'error!';
+    throw new Error('error!');
 }
 catch (e) {
     console.log('error' + e.message);
@@ -21,6 +22,7 @@ throw a + '!';
 ```php
 try {
     throw new \Exception("error!");
+    throw new \Exception("error!");
 }
 catch (\Exception $e) {
     echo "error" . $e->getMessage();