Chore: follow up #2

mysticatea · Jun 16, 2018 · 4bcab0b · 4bcab0b
1 parent c59845a
commit 4bcab0b
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Showing 3 changed files with 9 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -35,7 +35,7 @@ Parse a given regular expression literal then make AST object.
 This is equivalent to `new RegExpParser(options).parseLiteral(source)`.
 
 - **Parameters:**
-    - `source` (`string`) The source code to parse.
+    - `source` (`string | RegExp`) The source code to parse.
     - `options?` ([`RegExpParser.Options`]) The options to parse.
 - **Return:**
     - The AST of the regular expression.

diff --git a/src/index.ts b/src/index.ts
@@ -15,7 +15,7 @@ export function parseRegExpLiteral(
     source: string | RegExp,
     options?: RegExpParser.Options,
 ): AST.RegExpLiteral {
-    return new RegExpParser(options).parseLiteral(source instanceof RegExp ? String(source) : source)
+    return new RegExpParser(options).parseLiteral(String(source))
 }
 
 /**

diff --git a/test/parser.ts b/test/parser.ts
@@ -50,6 +50,13 @@ describe("parseRegExpLiteral function:", () => {
             }
         })
     }
+
+    it("should parse RegExp object", () => {
+        const actual = cloneWithoutCircular(parseRegExpLiteral(/[A-Z]+/))
+        const expected = cloneWithoutCircular(parseRegExpLiteral("/[A-Z]+/"))
+
+        assert.deepStrictEqual(actual, expected)
+    })
 })
 
 for (const filename of Object.keys(Fixtures)) {