Merge pull request #1164 from decaffeinate/fix/debugger

fix: support parsing `debugger` statements

Author: eventualbuddha

src/mappers/mapLiteral.ts

@@ -16,6 +16,7 @@ import {
   Bool,
   Break,
   Continue,
+  Debugger,
   Float,
   Identifier,
   Int,
@@ -87,6 +88,8 @@ export default function mapLiteral(context: ParseContext, node: Literal): Node {
       return new Break(line, column, start, end, raw);
     } else if (node.value === 'continue') {
       return new Continue(line, column, start, end, raw);
+    } else if (node.value === 'debugger') {
+      return new Debugger(line, column, start, end, raw);
     }
   }
 

src/nodes.ts

@@ -964,6 +964,22 @@ export class Continue extends Node {
   }
 }
 
+export class Debugger extends Node {
+  constructor(
+    line: number,
+    column: number,
+    start: number,
+    end: number,
+    raw: string
+  ) {
+    super('Debugger', line, column, start, end, raw);
+  }
+
+  getChildNames(): Array<keyof this & string> {
+    return [];
+  }
+}
+
 export class Spread extends Node {
   constructor(
     line: number,

test/__snapshots__/examples.test.ts.snap

@@ -5983,6 +5983,36 @@ Program {
 }
 `;
 
+exports[`CS1: debugger 1`] = `
+Program {
+  "body": Block {
+    "column": 1,
+    "end": 8,
+    "inline": false,
+    "line": 1,
+    "raw": "debugger",
+    "start": 0,
+    "statements": Array [
+      Debugger {
+        "column": 1,
+        "end": 8,
+        "line": 1,
+        "raw": "debugger",
+        "start": 0,
+        "type": "Debugger",
+      },
+    ],
+    "type": "Block",
+  },
+  "column": 1,
+  "end": 8,
+  "line": 1,
+  "raw": "debugger",
+  "start": 0,
+  "type": "Program",
+}
+`;
+
 exports[`CS1: delete 1`] = `
 Program {
   "body": Block {
@@ -26808,6 +26838,36 @@ Program {
 }
 `;
 
+exports[`CS2: debugger 1`] = `
+Program {
+  "body": Block {
+    "column": 1,
+    "end": 8,
+    "inline": false,
+    "line": 1,
+    "raw": "debugger",
+    "start": 0,
+    "statements": Array [
+      Debugger {
+        "column": 1,
+        "end": 8,
+        "line": 1,
+        "raw": "debugger",
+        "start": 0,
+        "type": "Debugger",
+      },
+    ],
+    "type": "Block",
+  },
+  "column": 1,
+  "end": 8,
+  "line": 1,
+  "raw": "debugger",
+  "start": 0,
+  "type": "Program",
+}
+`;
+
 exports[`CS2: delete 1`] = `
 Program {
   "body": Block {

test/examples/debugger.coffee

@@ -0,0 +1 @@
+debugger