fix: object keys which starts with a number

Nikaple · Oct 23, 2023 · e5252cc · e5252cc
1 parent 2f184a0
commit e5252cc
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/src/flatten.test.ts b/src/flatten.test.ts
@@ -19,6 +19,7 @@ describe('flattenObject', () => {
         a: {
           b: {
             c: 123,
+            '2c': 456,
           },
           d: [
             {
@@ -29,6 +30,7 @@ describe('flattenObject', () => {
       },
       {
         'a.b.c': 123,
+        'a.b["2c"]': 456,
         'a.d[0].e': 456,
       },
     );

diff --git a/src/flatten.ts b/src/flatten.ts
@@ -26,7 +26,7 @@ export const flatten = <T>(
   const getKey = (key: string, prefix: string, isNumber: boolean) => {
     let k;
     if (
-      /[.'"\s\\\b\f\n\r\t\v{}()[\];,<>=!+\-*%&|^~?:]/.test(key) ||
+      /[.'"\s\\\b\f\n\r\t\v{}()[\];,<>=!+\-*%&|^~?:]|^\d+\D/.test(key) ||
       key === ''
     ) {
       // use brackets if key contains special characters

diff --git a/src/internal.test.ts b/src/internal.test.ts
@@ -7,6 +7,11 @@ describe('parsePath', () => {
     expect(result).toEqual(['foo', 'bar', 1, 'baz', 'qux']);
   });
 
+  it('should parse string starts with number', () => {
+    const result = parsePath('foo.1bc');
+    expect(result).toEqual(['foo', '1bc']);
+  });
+
   it('should parse escaped quotes correctly', () => {
     const result = parsePath('foo["bar\\"baz"]');
     expect(result).toEqual(['foo', 'bar"baz']);