fix: to allow year 0000 (#178)

* fix: to allow year 0000 * fix * Create moody-books-poke.md
ota-meshi · Nov 10, 2023 · 397c6c6 · 397c6c6
1 parent f47ef27
commit 397c6c6
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diff --git a/.changeset/moody-books-poke.md b/.changeset/moody-books-poke.md
@@ -0,0 +1,5 @@
+---
+"toml-eslint-parser": patch
+---
+
+fix: to allow year 0000
diff --git a/src/tokenizer/tokenizer.ts b/src/tokenizer/tokenizer.ts
@@ -1397,16 +1397,16 @@ function isNonAscii(cp: number): boolean {
  * Check whether the given values is valid date
  */
 function isValidDate(y: number, m: number, d: number): boolean {
-  if (y <= 0 || m > 12 || m <= 0 || d <= 0) {
-    return false;
+  if (y >= 0 && m <= 12 && m >= 1 && d >= 1) {
+    const maxDayOfMonth =
+      m === 2
+        ? y & 3 || (!(y % 25) && y & 15)
+          ? 28
+          : 29
+        : 30 + ((m + (m >> 3)) & 1);
+    return d <= maxDayOfMonth;
   }
-  const maxDayOfMonth =
-    m === 2
-      ? y & 3 || (!(y % 25) && y & 15)
-        ? 28
-        : 29
-      : 30 + ((m + (m >> 3)) & 1);
-  return d <= maxDayOfMonth;
+  return false;
 }
 
 /**

diff --git a/tests/fixtures/parser/ast/datetime01-input.toml b/tests/fixtures/parser/ast/datetime01-input.toml
@@ -0,0 +1,7 @@
+[datetime-list]
+first-date = 0000-12-31
+first-local = 0000-12-31T15:00:00
+first-offset = 0001-01-01T00:00:00Z
+last-date = 9999-12-30
+last-local = 9999-12-31T14:59:59
+last-offset = 9999-12-31T23:59:59Z