1 files changed, 14 insertions, 3 deletions
diff --git a/addons/web/static/src/js/fields/abstract_field.js b/addons/web/static/src/js/fields/abstract_field.js
index ab6f226a66e..16e928ea288 100644
--- a/addons/web/static/src/js/fields/abstract_field.js
+++ b/addons/web/static/src/js/fields/abstract_field.js
@@ -404,6 +404,18 @@ var AbstractField = Widget.extend({
         return `text-${decoration.split('-')[1]}`;
     },
     /**
+     * Compares the given value with the last value that has been set.
+     * Note that we compare unparsed values. Handles the special case where no
+     * value has been set yet, and the given value is the empty string.
+     *
+     * @private
+     * @param {any} value
+     * @returns {boolean} true iff values are the same
+     */
+    _isLastSetValue: function (value) {
+        return this.lastSetValue === value || (this.value === false && value === '');
+    },
+    /**
      * This method check if a value is the same as the current value of the
      * field.  For example, a fieldDate widget might want to use the moment
      * specific value isSame instead of ===.
@@ -499,9 +511,8 @@ var AbstractField = Widget.extend({
      * @returns {Promise}
      */
     _setValue: function (value, options) {
-        // we try to avoid doing useless work, if the value given has not
-        // changed.  Note that we compare the unparsed values.
-        if (this.lastSetValue === value || (this.value === false && value === '')) {
+        // we try to avoid doing useless work, if the value given has not changed.
+        if (this._isLastSetValue(value)) {
             return Promise.resolve();
         }
         this.lastSetValue = value;