Don't attempt to double-escape double quotes (#1076)

Author: mitchell-merry

src/utils.ts

@@ -25,7 +25,7 @@ interface CommentObject {
 
 const COMMENT_RE = /\*\//g;
 export const LB_RE = /\r?\n/g;
-export const DOUBLE_QUOTE_RE = /"/g;
+export const DOUBLE_QUOTE_RE = /(?<!\\)"/g;
 const ESC_0_RE = /~0/g;
 const ESC_1_RE = /~1/g;
 const TILDE_RE = /~/g;

test/utils.test.ts

@@ -1,4 +1,4 @@
-import { tsIntersectionOf, tsUnionOf } from "../src/utils.js";
+import { parseRef, tsIntersectionOf, tsUnionOf } from "../src/utils.js";
 
 describe("utils", () => {
   describe("tsUnionOf", () => {
@@ -61,4 +61,22 @@ describe("utils", () => {
       });
     });
   });
-});
+
+  describe("parseRef", () => {
+    it("basic", () => {
+        expect(parseRef("#/test/schema-object")).toStrictEqual({ filename: ".", path: [ "test", "schema-object" ] });
+    });
+
+    it("double quote", () => {
+        expect(parseRef("#/test/\"")).toStrictEqual({ filename: ".", path: [ "test", '\\\"' ] });
+    });
+
+    it("escaped double quote", () => {
+        expect(parseRef("#/test/\\\"")).toStrictEqual({ filename: ".", path: [ "test", '\\\"' ] });
+    });
+
+    it("tilde escapes", () => {
+        expect(parseRef("#/test/~1~0")).toStrictEqual({ filename: ".", path: [ "test", "/~" ] });
+    });
+  });
+});