From fca42bfbf7443c1721f382201cf12dc17c3ff841 Mon Sep 17 00:00:00 2001
From: Andrew Stacy <astacy@stratacache.com>
Date: Thu, 12 Sep 2024 14:09:37 -0400
Subject: [PATCH] revert: reverts the perf change removing date-fns as it
 resulted in negligible savings

---
 package.json                        |  2 +-
 src/formatters/formatter.ts         |  2 +-
 src/formatters/json/json.ts         |  2 +-
 src/formatters/standard/standard.ts |  2 +-
 src/functions/data.ts               | 26 --------------------------
 5 files changed, 4 insertions(+), 30 deletions(-)

diff --git a/package.json b/package.json
index 68ae1b1..733ef87 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,6 @@
     "@vuepress/theme-default": "^2.0.0-rc.11",
     "commitizen": "^4.3.0",
     "cz-conventional-changelog": "^3.3.0",
-    "date-fns": "^3.6.0",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^9.1.0",
     "happy-dom": "^15.7.3",
@@ -87,6 +86,7 @@
     "**/*.{js,ts}": "eslint --fix"
   },
   "dependencies": {
+    "date-fns": "^3.6.0",
     "chalk": "^5.3.0",
     "vuepress-plugin-search-pro": "^2.0.0-rc.52"
   },
diff --git a/src/formatters/formatter.ts b/src/formatters/formatter.ts
index 109b968..990f097 100644
--- a/src/formatters/formatter.ts
+++ b/src/formatters/formatter.ts
@@ -1,4 +1,4 @@
-import { formatISO } from '../functions';
+import { formatISO } from 'date-fns/formatISO';
 import { LevelConfiguration, ModifierData } from '../_types';
 import { Configuration } from '../configuration';
 import {
diff --git a/src/formatters/json/json.ts b/src/formatters/json/json.ts
index 6ba631b..0735d76 100644
--- a/src/formatters/json/json.ts
+++ b/src/formatters/json/json.ts
@@ -1,6 +1,6 @@
 import Formatter from '../formatter';
 import { ModifierData } from '../../_types';
-import { formatISO } from '../../functions';
+import { formatISO } from 'date-fns/formatISO';
 import { JsonLog, JsonLogOptionalFields, JsonLogRequiredFields } from './types';
 import { hasRequiredFields } from './type-guards';
 import { setup } from '../../functions';
diff --git a/src/formatters/standard/standard.ts b/src/formatters/standard/standard.ts
index 551dc84..a7a62c2 100644
--- a/src/formatters/standard/standard.ts
+++ b/src/formatters/standard/standard.ts
@@ -1,6 +1,6 @@
 import Formatter from '../formatter';
 import { ModifierData } from '../../_types';
-import { formatISO } from '../../functions';
+import { formatISO } from 'date-fns/formatISO';
 import { isNumber, isObject, isString } from '../../functions';
 
 /**
diff --git a/src/functions/data.ts b/src/functions/data.ts
index 9c9f482..732f3ab 100644
--- a/src/functions/data.ts
+++ b/src/functions/data.ts
@@ -33,29 +33,3 @@ export function getActiveLevel(cfg: Configuration): number {
 export function leadingZero(num: number): string {
   return (num < 10 ? '0' : '') + `${num}`;
 }
-
-/**
- * Returns an ISO-8601 formatted string from the provided date.
- */
-export function formatISO(date: Date) {
-  const tzo = -date.getTimezoneOffset();
-  const dif = tzo >= 0 ? '+' : '-';
-
-  return (
-    `${date.getFullYear()}` +
-    '-' +
-    leadingZero(date.getMonth() + 1) +
-    '-' +
-    leadingZero(date.getDate()) +
-    'T' +
-    leadingZero(date.getHours()) +
-    ':' +
-    leadingZero(date.getMinutes()) +
-    ':' +
-    leadingZero(date.getSeconds()) +
-    dif +
-    leadingZero(Math.floor(Math.abs(tzo) / 60)) +
-    ':' +
-    leadingZero(Math.abs(tzo) % 60)
-  );
-}