https://www.fqr.com/wp-content/plugins/aios-initial-setup/app/modu…/js/contact-form7-normalize-date-field.js

1jQuery(document).ready( function() {
2	
3	/* 
4	* WPCF7 4.9 uses wpcf7 instead of _wpcf7 so both have to be checked.
5	* 
6	* I didn't use is_plugin_active() because it fails when the plugin folder is renamed.
7	* Checking for the wpcf7 variable is reliable in more cases.
8	* Please support new variables whenever WPCF7 is updated.
9	*
10	* Don't remove the check since doing so may produce broken date fields;
11	* you'd rather skip this enhancement than end up with broken forms.
12	*/
13	var asisWpcf7 = {};
14	if ( typeof _wpcf7 == "object" ) {
15		asisWpcf7 = _wpcf7;
16	}
17	else if ( typeof wpcf7 == "object" ) {
18		asisWpcf7 = wpcf7;
19	}
20	
21	if ( !asisWpcf7.jqueryUi ) {
22		return;
23	}
24		
25	/*Loop thru date fields */
26	jQuery("input.wpcf7-date[type='date']").each( function(i,v) {
27		
28		/* Destroy jQuery datepicker instance so we can re-initialize it */
29		if( jQuery(v).hasClass("hasDatepicker") ) {
30			jQuery(v).datepicker("destroy");
31		}
32	
33		/* 
34		 * Convert date field to text field:
35		 * 	- to normalize behavior and appearance.
36		 * 	- to support the placeholder attribute
37		 */
38		jQuery(v).attr("type","text");
39		
40		/*
41		 * Update placeholder
42		 */ 
43		if ( typeof jQuery(v).attr("placeholder") == "undefined" ) {
44			jQuery(v).attr("placeholder","yy-mm-dd");
45		}
46		else {
47			jQuery(v).attr("placeholder", jQuery(v).attr("placeholder"));
48		}
49		
50		/* Disable normal behavior */
51		jQuery(v).on("keydown keyup",function(e) {
52			e.preventDefault();
53		});
54	
55		/* Initialize datepicker */
56		jQuery(v).datepicker( {
57			dateFormat: 'yy-mm-dd',
58			minDate: new Date( jQuery(v).attr("min") ),
59			maxDate: new Date( jQuery(v).attr("max") )
60		} );
61		
62		
63		/* Since we now use a text field, remove invalid attributes */
64		jQuery(v).removeAttr("min max");
65		
66	});
67	
68});