From 2ac6492cc29b7300cf1ab1635222d3b96ea5507d Mon Sep 17 00:00:00 2001
From: Bruno Boi <boi@odoo.com>
Date: Wed, 12 May 2021 14:07:05 +0000
Subject: [FIX] web: parseDateTime util optimizations

- `parseDateTime` util: we now caches "without zero" date and time formats

Taskid: 2412172
---
 addons/web/static/src/js/core/time.js          | 29 ++++++++++++++++++++++++++
 addons/web/static/src/js/fields/field_utils.js |  8 +++----
 2 files changed, 33 insertions(+), 4 deletions(-)

(limited to 'addons/web/static/src/js')

diff --git a/addons/web/static/src/js/core/time.js b/addons/web/static/src/js/core/time.js
index 3e677c4201a..b9f41813030 100644
--- a/addons/web/static/src/js/core/time.js
+++ b/addons/web/static/src/js/core/time.js
@@ -300,7 +300,34 @@ function getLangDatetimeFormat() {
     return strftime_to_moment_format(_t.database.parameters.date_format + " " + _t.database.parameters.time_format);
 }
 
+const dateFormatWoZeroCache = {};
+/**
+ * Get date format of the user's language - allows non padded
+ */
+function getLangDateFormatWoZero() {
+    const dateFormat = getLangDateFormat();
+    if (!dateFormat in dateFormatWoZeroCache) {
+        dateFormatWoZeroCache[dateFormat] = dateFormat
+            .replace('MM', 'M')
+            .replace('DD', 'D');
+    }
+    return dateFormatWoZeroCache[dateFormat];
+}
 
+const timeFormatWoZeroCache = {};
+/**
+ * Get time format of the user's language - allows non padded
+ */
+function getLangTimeFormatWoZero() {
+    const timeFormat = getLangTimeFormat();
+    if (!timeFormat in timeFormatWoZeroCache) {
+        timeFormatWoZeroCache[timeFormat] = timeFormat
+            .replace('HH', 'H')
+            .replace('mm', 'm')
+            .replace('ss', 's');
+    }
+    return timeFormatWoZeroCache[timeFormat];
+}
 
 return {
     date_to_utc: date_to_utc,
@@ -316,6 +343,8 @@ return {
     moment_to_strftime_format: moment_to_strftime_format,
     getLangDateFormat: getLangDateFormat,
     getLangTimeFormat: getLangTimeFormat,
+    getLangDateFormatWoZero: getLangDateFormatWoZero,
+    getLangTimeFormatWoZero: getLangTimeFormatWoZero,
     getLangDatetimeFormat: getLangDatetimeFormat,
 };
 
diff --git a/addons/web/static/src/js/fields/field_utils.js b/addons/web/static/src/js/fields/field_utils.js
index 0407da1b265..7dfb92b3d19 100644
--- a/addons/web/static/src/js/fields/field_utils.js
+++ b/addons/web/static/src/js/fields/field_utils.js
@@ -511,10 +511,10 @@ function parseDateTime(value, field, options) {
     if (!value) {
         return false;
     }
-    var datePattern = time.getLangDateFormat(),
-        timePattern = time.getLangTimeFormat();
-    var datePatternWoZero = datePattern.replace('MM','M').replace('DD','D'),
-        timePatternWoZero = timePattern.replace('HH','H').replace('mm','m').replace('ss','s');
+    const datePattern = time.getLangDateFormat();
+    const timePattern = time.getLangTimeFormat();
+    const datePatternWoZero = time.getLangDateFormatWoZero();
+    const timePatternWoZero = time.getLangTimeFormatWoZero();
     var pattern1 = datePattern + ' ' + timePattern;
     var pattern2 = datePatternWoZero + ' ' + timePatternWoZero;
     var datetime;
-- 
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