Magento 2 checkout knockout.js in custom template error - telephone fieldOverriding template files in own theme, loaded through JS (Knockout.js)Change the telephone field from 'Telephone' to only 'Mobile Number' at CheckoutMagento 2 EE Checkout Page not working (JS error)Knockout.js breaks in /checkout in my themeMagento 2.2.1: Add Custom Upload file attribute in Checkoutadd custom js to the certain input element on the checkout pageMagento 2.2.1 : Add Custom Field in Login Form On Checkout PageMagento 2 | Remove telephone from checkout addressHow to add custom validation to checkout phone fieldRequire custom checkout field from extension

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Magento 2 checkout knockout.js in custom template error - telephone field


Overriding template files in own theme, loaded through JS (Knockout.js)Change the telephone field from 'Telephone' to only 'Mobile Number' at CheckoutMagento 2 EE Checkout Page not working (JS error)Knockout.js breaks in /checkout in my themeMagento 2.2.1: Add Custom Upload file attribute in Checkoutadd custom js to the certain input element on the checkout pageMagento 2.2.1 : Add Custom Field in Login Form On Checkout PageMagento 2 | Remove telephone from checkout addressHow to add custom validation to checkout phone fieldRequire custom checkout field from extension






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








0















I'm trying to create a mask for telephone field in Magento 2.2.2 checkout. In order to do so. I placed a checkout_index_index.xml with a new template for telephone field at



vendor/mytheme/Magento_Checkout/layout/checkout_index_index.xml



 <?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceBlock name="checkout.root">
<arguments>
<argument name="jsLayout" xsi:type="array">
<item name="components" xsi:type="array">
<item name="checkout" xsi:type="array">
<item name="children" xsi:type="array">
<item name="steps" xsi:type="array">
<item name="children" xsi:type="array">
<item name="shipping-step" xsi:type="array">
<item name="children" xsi:type="array">
<item name="shippingAddress" xsi:type="array">
<item name="children" xsi:type="array">
<!-- The name of the form the field belongs to -->
<item name="shipping-address-fieldset" xsi:type="array">
<item name="children" xsi:type="array">
<!-- the field you are customizing -->
<item name="telephone" xsi:type="array">
<item name="component" xsi:type="string">Magento_Checkout/js/view/masked</item>
<item name="config" xsi:type="array">
<!-- Assigning a new template -->

<item name="elementTmpl" xsi:type="string">Magento_Checkout/form/element/telefone</item>

</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</argument>
</arguments>
</referenceBlock>
</body>
</page>


In the folder vendor/mytheme/web/js/view/masked.js I place bellow code



define(['jquery', 'uiComponent', 'ko', ], function ( $, Component, ko) 
'use strict';
return Component.extend(
defaults:
template: 'Magento_Checkout/telefone'
,
initialize: function ()
var self = this;
this._super();
ko.bindingHandlers.maskedInput =
init: function(element, valueAccessor, allBindings, viewModel, bindingContext)
ko.bindingHandlers.value.init(element, valueAccessor, allBindings, viewModel, bindingContext);
,
update: function(element, valueAccessor, allBindings, viewModel, bindingContext)
ko.bindingHandlers.value.update(element, valueAccessor, allBindings, viewModel, bindingContext);
$(element).mask(allBindings.get('mask'));
valueAccessor()($(element).val());

;

var ViewModel = function()

this.phone = ko.observable("");


this.phone('123123451212');
;
ko.applyBindings(new ViewModel());



)

);


And the I created template telefone.html at vendor/mytheme/Magento_Checkout/web/template



<input class="input-text" type="text" data-bind="
value: value,
valueUpdate: 'keyup',
maskedInput: phone,
mask: '(999) 999-9999',
hasFocus: focused,
attr:
name: inputName,
placeholder: placeholder,
'aria-describedby': noticeId,
id: uid,
disabled: disabled
" />


But when I go to checkout I get error: Uncaught Error: You cannot apply bindings multiple times to the same element. Does someone know a proper way to apply phone mask to telephone input at checkout. Or, if my method is correct, what am I missing or doing wrong?










share|improve this question
























  • When you use component there is no need to applyBindings on it.It will do it automatically

    – Zaheerabbas
    Apr 13 '18 at 14:04











  • I removed " ko.applyBindings(new ViewModel());" and now I get ReferenceError: Unable to process binding "css: function ()return additionalClasses " Message: Can't find variable: additionalClasses

    – Gabriela
    Apr 13 '18 at 14:54











  • @Gabriela, Have you got any solution for this?

    – Pushpendra Singh
    Jun 22 '18 at 9:48











  • Sorry, I didn't find a solution. If you have any, please post it here.

    – Gabriela
    Jun 29 '18 at 13:05

















0















I'm trying to create a mask for telephone field in Magento 2.2.2 checkout. In order to do so. I placed a checkout_index_index.xml with a new template for telephone field at



vendor/mytheme/Magento_Checkout/layout/checkout_index_index.xml



 <?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceBlock name="checkout.root">
<arguments>
<argument name="jsLayout" xsi:type="array">
<item name="components" xsi:type="array">
<item name="checkout" xsi:type="array">
<item name="children" xsi:type="array">
<item name="steps" xsi:type="array">
<item name="children" xsi:type="array">
<item name="shipping-step" xsi:type="array">
<item name="children" xsi:type="array">
<item name="shippingAddress" xsi:type="array">
<item name="children" xsi:type="array">
<!-- The name of the form the field belongs to -->
<item name="shipping-address-fieldset" xsi:type="array">
<item name="children" xsi:type="array">
<!-- the field you are customizing -->
<item name="telephone" xsi:type="array">
<item name="component" xsi:type="string">Magento_Checkout/js/view/masked</item>
<item name="config" xsi:type="array">
<!-- Assigning a new template -->

<item name="elementTmpl" xsi:type="string">Magento_Checkout/form/element/telefone</item>

</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</argument>
</arguments>
</referenceBlock>
</body>
</page>


In the folder vendor/mytheme/web/js/view/masked.js I place bellow code



define(['jquery', 'uiComponent', 'ko', ], function ( $, Component, ko) 
'use strict';
return Component.extend(
defaults:
template: 'Magento_Checkout/telefone'
,
initialize: function ()
var self = this;
this._super();
ko.bindingHandlers.maskedInput =
init: function(element, valueAccessor, allBindings, viewModel, bindingContext)
ko.bindingHandlers.value.init(element, valueAccessor, allBindings, viewModel, bindingContext);
,
update: function(element, valueAccessor, allBindings, viewModel, bindingContext)
ko.bindingHandlers.value.update(element, valueAccessor, allBindings, viewModel, bindingContext);
$(element).mask(allBindings.get('mask'));
valueAccessor()($(element).val());

;

var ViewModel = function()

this.phone = ko.observable("");


this.phone('123123451212');
;
ko.applyBindings(new ViewModel());



)

);


And the I created template telefone.html at vendor/mytheme/Magento_Checkout/web/template



<input class="input-text" type="text" data-bind="
value: value,
valueUpdate: 'keyup',
maskedInput: phone,
mask: '(999) 999-9999',
hasFocus: focused,
attr:
name: inputName,
placeholder: placeholder,
'aria-describedby': noticeId,
id: uid,
disabled: disabled
" />


But when I go to checkout I get error: Uncaught Error: You cannot apply bindings multiple times to the same element. Does someone know a proper way to apply phone mask to telephone input at checkout. Or, if my method is correct, what am I missing or doing wrong?










share|improve this question
























  • When you use component there is no need to applyBindings on it.It will do it automatically

    – Zaheerabbas
    Apr 13 '18 at 14:04











  • I removed " ko.applyBindings(new ViewModel());" and now I get ReferenceError: Unable to process binding "css: function ()return additionalClasses " Message: Can't find variable: additionalClasses

    – Gabriela
    Apr 13 '18 at 14:54











  • @Gabriela, Have you got any solution for this?

    – Pushpendra Singh
    Jun 22 '18 at 9:48











  • Sorry, I didn't find a solution. If you have any, please post it here.

    – Gabriela
    Jun 29 '18 at 13:05













0












0








0








I'm trying to create a mask for telephone field in Magento 2.2.2 checkout. In order to do so. I placed a checkout_index_index.xml with a new template for telephone field at



vendor/mytheme/Magento_Checkout/layout/checkout_index_index.xml



 <?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceBlock name="checkout.root">
<arguments>
<argument name="jsLayout" xsi:type="array">
<item name="components" xsi:type="array">
<item name="checkout" xsi:type="array">
<item name="children" xsi:type="array">
<item name="steps" xsi:type="array">
<item name="children" xsi:type="array">
<item name="shipping-step" xsi:type="array">
<item name="children" xsi:type="array">
<item name="shippingAddress" xsi:type="array">
<item name="children" xsi:type="array">
<!-- The name of the form the field belongs to -->
<item name="shipping-address-fieldset" xsi:type="array">
<item name="children" xsi:type="array">
<!-- the field you are customizing -->
<item name="telephone" xsi:type="array">
<item name="component" xsi:type="string">Magento_Checkout/js/view/masked</item>
<item name="config" xsi:type="array">
<!-- Assigning a new template -->

<item name="elementTmpl" xsi:type="string">Magento_Checkout/form/element/telefone</item>

</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</argument>
</arguments>
</referenceBlock>
</body>
</page>


In the folder vendor/mytheme/web/js/view/masked.js I place bellow code



define(['jquery', 'uiComponent', 'ko', ], function ( $, Component, ko) 
'use strict';
return Component.extend(
defaults:
template: 'Magento_Checkout/telefone'
,
initialize: function ()
var self = this;
this._super();
ko.bindingHandlers.maskedInput =
init: function(element, valueAccessor, allBindings, viewModel, bindingContext)
ko.bindingHandlers.value.init(element, valueAccessor, allBindings, viewModel, bindingContext);
,
update: function(element, valueAccessor, allBindings, viewModel, bindingContext)
ko.bindingHandlers.value.update(element, valueAccessor, allBindings, viewModel, bindingContext);
$(element).mask(allBindings.get('mask'));
valueAccessor()($(element).val());

;

var ViewModel = function()

this.phone = ko.observable("");


this.phone('123123451212');
;
ko.applyBindings(new ViewModel());



)

);


And the I created template telefone.html at vendor/mytheme/Magento_Checkout/web/template



<input class="input-text" type="text" data-bind="
value: value,
valueUpdate: 'keyup',
maskedInput: phone,
mask: '(999) 999-9999',
hasFocus: focused,
attr:
name: inputName,
placeholder: placeholder,
'aria-describedby': noticeId,
id: uid,
disabled: disabled
" />


But when I go to checkout I get error: Uncaught Error: You cannot apply bindings multiple times to the same element. Does someone know a proper way to apply phone mask to telephone input at checkout. Or, if my method is correct, what am I missing or doing wrong?










share|improve this question
















I'm trying to create a mask for telephone field in Magento 2.2.2 checkout. In order to do so. I placed a checkout_index_index.xml with a new template for telephone field at



vendor/mytheme/Magento_Checkout/layout/checkout_index_index.xml



 <?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="1column" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceBlock name="checkout.root">
<arguments>
<argument name="jsLayout" xsi:type="array">
<item name="components" xsi:type="array">
<item name="checkout" xsi:type="array">
<item name="children" xsi:type="array">
<item name="steps" xsi:type="array">
<item name="children" xsi:type="array">
<item name="shipping-step" xsi:type="array">
<item name="children" xsi:type="array">
<item name="shippingAddress" xsi:type="array">
<item name="children" xsi:type="array">
<!-- The name of the form the field belongs to -->
<item name="shipping-address-fieldset" xsi:type="array">
<item name="children" xsi:type="array">
<!-- the field you are customizing -->
<item name="telephone" xsi:type="array">
<item name="component" xsi:type="string">Magento_Checkout/js/view/masked</item>
<item name="config" xsi:type="array">
<!-- Assigning a new template -->

<item name="elementTmpl" xsi:type="string">Magento_Checkout/form/element/telefone</item>

</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</item>
</argument>
</arguments>
</referenceBlock>
</body>
</page>


In the folder vendor/mytheme/web/js/view/masked.js I place bellow code



define(['jquery', 'uiComponent', 'ko', ], function ( $, Component, ko) 
'use strict';
return Component.extend(
defaults:
template: 'Magento_Checkout/telefone'
,
initialize: function ()
var self = this;
this._super();
ko.bindingHandlers.maskedInput =
init: function(element, valueAccessor, allBindings, viewModel, bindingContext)
ko.bindingHandlers.value.init(element, valueAccessor, allBindings, viewModel, bindingContext);
,
update: function(element, valueAccessor, allBindings, viewModel, bindingContext)
ko.bindingHandlers.value.update(element, valueAccessor, allBindings, viewModel, bindingContext);
$(element).mask(allBindings.get('mask'));
valueAccessor()($(element).val());

;

var ViewModel = function()

this.phone = ko.observable("");


this.phone('123123451212');
;
ko.applyBindings(new ViewModel());



)

);


And the I created template telefone.html at vendor/mytheme/Magento_Checkout/web/template



<input class="input-text" type="text" data-bind="
value: value,
valueUpdate: 'keyup',
maskedInput: phone,
mask: '(999) 999-9999',
hasFocus: focused,
attr:
name: inputName,
placeholder: placeholder,
'aria-describedby': noticeId,
id: uid,
disabled: disabled
" />


But when I go to checkout I get error: Uncaught Error: You cannot apply bindings multiple times to the same element. Does someone know a proper way to apply phone mask to telephone input at checkout. Or, if my method is correct, what am I missing or doing wrong?







magento2 checkout javascript knockoutjs






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jul 5 '18 at 13:46









7ochem

5,9399 gold badges37 silver badges70 bronze badges




5,9399 gold badges37 silver badges70 bronze badges










asked Apr 13 '18 at 13:50









GabrielaGabriela

267 bronze badges




267 bronze badges












  • When you use component there is no need to applyBindings on it.It will do it automatically

    – Zaheerabbas
    Apr 13 '18 at 14:04











  • I removed " ko.applyBindings(new ViewModel());" and now I get ReferenceError: Unable to process binding "css: function ()return additionalClasses " Message: Can't find variable: additionalClasses

    – Gabriela
    Apr 13 '18 at 14:54











  • @Gabriela, Have you got any solution for this?

    – Pushpendra Singh
    Jun 22 '18 at 9:48











  • Sorry, I didn't find a solution. If you have any, please post it here.

    – Gabriela
    Jun 29 '18 at 13:05

















  • When you use component there is no need to applyBindings on it.It will do it automatically

    – Zaheerabbas
    Apr 13 '18 at 14:04











  • I removed " ko.applyBindings(new ViewModel());" and now I get ReferenceError: Unable to process binding "css: function ()return additionalClasses " Message: Can't find variable: additionalClasses

    – Gabriela
    Apr 13 '18 at 14:54











  • @Gabriela, Have you got any solution for this?

    – Pushpendra Singh
    Jun 22 '18 at 9:48











  • Sorry, I didn't find a solution. If you have any, please post it here.

    – Gabriela
    Jun 29 '18 at 13:05
















When you use component there is no need to applyBindings on it.It will do it automatically

– Zaheerabbas
Apr 13 '18 at 14:04





When you use component there is no need to applyBindings on it.It will do it automatically

– Zaheerabbas
Apr 13 '18 at 14:04













I removed " ko.applyBindings(new ViewModel());" and now I get ReferenceError: Unable to process binding "css: function ()return additionalClasses " Message: Can't find variable: additionalClasses

– Gabriela
Apr 13 '18 at 14:54





I removed " ko.applyBindings(new ViewModel());" and now I get ReferenceError: Unable to process binding "css: function ()return additionalClasses " Message: Can't find variable: additionalClasses

– Gabriela
Apr 13 '18 at 14:54













@Gabriela, Have you got any solution for this?

– Pushpendra Singh
Jun 22 '18 at 9:48





@Gabriela, Have you got any solution for this?

– Pushpendra Singh
Jun 22 '18 at 9:48













Sorry, I didn't find a solution. If you have any, please post it here.

– Gabriela
Jun 29 '18 at 13:05





Sorry, I didn't find a solution. If you have any, please post it here.

– Gabriela
Jun 29 '18 at 13:05










2 Answers
2






active

oldest

votes


















0














There is seems to be a conflict because below layout you have already mentioned the template of element and re-defined the template in your component js file also,



vendor/mytheme/Magento_Checkout/layout/checkout_index_index.xml



<!-- the field you are customizing -->
<item name="telephone" xsi:type="array">
<item name="component" xsi:type="string">Magento_Checkout/js/view/masked</item>
<item name="config" xsi:type="array">
<!-- Assigning a new template -->
<item name="elementTmpl" xsi:type="string">Magento_Checkout/form/element/telefone</item>
</item>
</item>


Hence try replace below component script with your,
vendor/mytheme/web/js/view/masked.js



define([
'underscore', 'ko',
'mageUtils',
'Magento_Ui/js/form/element/abstract',
'uiLayout'
], function (_, ko, utils, Abstract, layout)
'use strict';

return Abstract.extend(
initialize: function ()
this._super();

//add your custom code or call custom functions
ko.bindingHandlers.maskedInput =
init: function(element, valueAccessor, allBindings, viewModel, bindingContext)
ko.bindingHandlers.value.init(element, valueAccessor, allBindings, viewModel, bindingContext);
,
update: function(element, valueAccessor, allBindings, viewModel, bindingContext)
ko.bindingHandlers.value.update(element, valueAccessor, allBindings, viewModel, bindingContext);
$(element).mask(allBindings.get('mask'));
valueAccessor()($(element).val());

;

var ViewModel = function()
this.phone = ko.observable("");
this.phone('123123451212');
;
ko.applyBindings(new ViewModel());

return this;

);
);


Note : script extends from Magento_Ui/js/form/element/abstract






share|improve this answer























  • Didn't work either

    – Gabriela
    Oct 8 '18 at 17:23


















0














My goal is just to put a mask for the telephone field in Magento2 Checkout. Since the Knockout method didn't work I simple declared a new template in checkout_index_index.xml with the bellow code:



 <input class="input-text" type="text" placeholder= (__)_____-____ data-bind="
value: value,
valueUpdate: 'keyup',
attr:
name: inputName,
id: uid
" name="telephone" aria-required="true" aria-invalid="false" autocomplete="off" onfocus="this.value='(';" onkeyup="var telephone = this.value;
if (telephone.match(/^(d2$/) !==null)
this.value = telephone + ')';
else if (telephone.match(/^(d2)d5$/) !== null)
this.value = telephone + '-';
" maxlength="14"/>





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    2 Answers
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    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    0














    There is seems to be a conflict because below layout you have already mentioned the template of element and re-defined the template in your component js file also,



    vendor/mytheme/Magento_Checkout/layout/checkout_index_index.xml



    <!-- the field you are customizing -->
    <item name="telephone" xsi:type="array">
    <item name="component" xsi:type="string">Magento_Checkout/js/view/masked</item>
    <item name="config" xsi:type="array">
    <!-- Assigning a new template -->
    <item name="elementTmpl" xsi:type="string">Magento_Checkout/form/element/telefone</item>
    </item>
    </item>


    Hence try replace below component script with your,
    vendor/mytheme/web/js/view/masked.js



    define([
    'underscore', 'ko',
    'mageUtils',
    'Magento_Ui/js/form/element/abstract',
    'uiLayout'
    ], function (_, ko, utils, Abstract, layout)
    'use strict';

    return Abstract.extend(
    initialize: function ()
    this._super();

    //add your custom code or call custom functions
    ko.bindingHandlers.maskedInput =
    init: function(element, valueAccessor, allBindings, viewModel, bindingContext)
    ko.bindingHandlers.value.init(element, valueAccessor, allBindings, viewModel, bindingContext);
    ,
    update: function(element, valueAccessor, allBindings, viewModel, bindingContext)
    ko.bindingHandlers.value.update(element, valueAccessor, allBindings, viewModel, bindingContext);
    $(element).mask(allBindings.get('mask'));
    valueAccessor()($(element).val());

    ;

    var ViewModel = function()
    this.phone = ko.observable("");
    this.phone('123123451212');
    ;
    ko.applyBindings(new ViewModel());

    return this;

    );
    );


    Note : script extends from Magento_Ui/js/form/element/abstract






    share|improve this answer























    • Didn't work either

      – Gabriela
      Oct 8 '18 at 17:23















    0














    There is seems to be a conflict because below layout you have already mentioned the template of element and re-defined the template in your component js file also,



    vendor/mytheme/Magento_Checkout/layout/checkout_index_index.xml



    <!-- the field you are customizing -->
    <item name="telephone" xsi:type="array">
    <item name="component" xsi:type="string">Magento_Checkout/js/view/masked</item>
    <item name="config" xsi:type="array">
    <!-- Assigning a new template -->
    <item name="elementTmpl" xsi:type="string">Magento_Checkout/form/element/telefone</item>
    </item>
    </item>


    Hence try replace below component script with your,
    vendor/mytheme/web/js/view/masked.js



    define([
    'underscore', 'ko',
    'mageUtils',
    'Magento_Ui/js/form/element/abstract',
    'uiLayout'
    ], function (_, ko, utils, Abstract, layout)
    'use strict';

    return Abstract.extend(
    initialize: function ()
    this._super();

    //add your custom code or call custom functions
    ko.bindingHandlers.maskedInput =
    init: function(element, valueAccessor, allBindings, viewModel, bindingContext)
    ko.bindingHandlers.value.init(element, valueAccessor, allBindings, viewModel, bindingContext);
    ,
    update: function(element, valueAccessor, allBindings, viewModel, bindingContext)
    ko.bindingHandlers.value.update(element, valueAccessor, allBindings, viewModel, bindingContext);
    $(element).mask(allBindings.get('mask'));
    valueAccessor()($(element).val());

    ;

    var ViewModel = function()
    this.phone = ko.observable("");
    this.phone('123123451212');
    ;
    ko.applyBindings(new ViewModel());

    return this;

    );
    );


    Note : script extends from Magento_Ui/js/form/element/abstract






    share|improve this answer























    • Didn't work either

      – Gabriela
      Oct 8 '18 at 17:23













    0












    0








    0







    There is seems to be a conflict because below layout you have already mentioned the template of element and re-defined the template in your component js file also,



    vendor/mytheme/Magento_Checkout/layout/checkout_index_index.xml



    <!-- the field you are customizing -->
    <item name="telephone" xsi:type="array">
    <item name="component" xsi:type="string">Magento_Checkout/js/view/masked</item>
    <item name="config" xsi:type="array">
    <!-- Assigning a new template -->
    <item name="elementTmpl" xsi:type="string">Magento_Checkout/form/element/telefone</item>
    </item>
    </item>


    Hence try replace below component script with your,
    vendor/mytheme/web/js/view/masked.js



    define([
    'underscore', 'ko',
    'mageUtils',
    'Magento_Ui/js/form/element/abstract',
    'uiLayout'
    ], function (_, ko, utils, Abstract, layout)
    'use strict';

    return Abstract.extend(
    initialize: function ()
    this._super();

    //add your custom code or call custom functions
    ko.bindingHandlers.maskedInput =
    init: function(element, valueAccessor, allBindings, viewModel, bindingContext)
    ko.bindingHandlers.value.init(element, valueAccessor, allBindings, viewModel, bindingContext);
    ,
    update: function(element, valueAccessor, allBindings, viewModel, bindingContext)
    ko.bindingHandlers.value.update(element, valueAccessor, allBindings, viewModel, bindingContext);
    $(element).mask(allBindings.get('mask'));
    valueAccessor()($(element).val());

    ;

    var ViewModel = function()
    this.phone = ko.observable("");
    this.phone('123123451212');
    ;
    ko.applyBindings(new ViewModel());

    return this;

    );
    );


    Note : script extends from Magento_Ui/js/form/element/abstract






    share|improve this answer













    There is seems to be a conflict because below layout you have already mentioned the template of element and re-defined the template in your component js file also,



    vendor/mytheme/Magento_Checkout/layout/checkout_index_index.xml



    <!-- the field you are customizing -->
    <item name="telephone" xsi:type="array">
    <item name="component" xsi:type="string">Magento_Checkout/js/view/masked</item>
    <item name="config" xsi:type="array">
    <!-- Assigning a new template -->
    <item name="elementTmpl" xsi:type="string">Magento_Checkout/form/element/telefone</item>
    </item>
    </item>


    Hence try replace below component script with your,
    vendor/mytheme/web/js/view/masked.js



    define([
    'underscore', 'ko',
    'mageUtils',
    'Magento_Ui/js/form/element/abstract',
    'uiLayout'
    ], function (_, ko, utils, Abstract, layout)
    'use strict';

    return Abstract.extend(
    initialize: function ()
    this._super();

    //add your custom code or call custom functions
    ko.bindingHandlers.maskedInput =
    init: function(element, valueAccessor, allBindings, viewModel, bindingContext)
    ko.bindingHandlers.value.init(element, valueAccessor, allBindings, viewModel, bindingContext);
    ,
    update: function(element, valueAccessor, allBindings, viewModel, bindingContext)
    ko.bindingHandlers.value.update(element, valueAccessor, allBindings, viewModel, bindingContext);
    $(element).mask(allBindings.get('mask'));
    valueAccessor()($(element).val());

    ;

    var ViewModel = function()
    this.phone = ko.observable("");
    this.phone('123123451212');
    ;
    ko.applyBindings(new ViewModel());

    return this;

    );
    );


    Note : script extends from Magento_Ui/js/form/element/abstract







    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Aug 29 '18 at 6:49









    Dasitha AbeysingheDasitha Abeysinghe

    12 bronze badges




    12 bronze badges












    • Didn't work either

      – Gabriela
      Oct 8 '18 at 17:23

















    • Didn't work either

      – Gabriela
      Oct 8 '18 at 17:23
















    Didn't work either

    – Gabriela
    Oct 8 '18 at 17:23





    Didn't work either

    – Gabriela
    Oct 8 '18 at 17:23













    0














    My goal is just to put a mask for the telephone field in Magento2 Checkout. Since the Knockout method didn't work I simple declared a new template in checkout_index_index.xml with the bellow code:



     <input class="input-text" type="text" placeholder= (__)_____-____ data-bind="
    value: value,
    valueUpdate: 'keyup',
    attr:
    name: inputName,
    id: uid
    " name="telephone" aria-required="true" aria-invalid="false" autocomplete="off" onfocus="this.value='(';" onkeyup="var telephone = this.value;
    if (telephone.match(/^(d2$/) !==null)
    this.value = telephone + ')';
    else if (telephone.match(/^(d2)d5$/) !== null)
    this.value = telephone + '-';
    " maxlength="14"/>





    share|improve this answer



























      0














      My goal is just to put a mask for the telephone field in Magento2 Checkout. Since the Knockout method didn't work I simple declared a new template in checkout_index_index.xml with the bellow code:



       <input class="input-text" type="text" placeholder= (__)_____-____ data-bind="
      value: value,
      valueUpdate: 'keyup',
      attr:
      name: inputName,
      id: uid
      " name="telephone" aria-required="true" aria-invalid="false" autocomplete="off" onfocus="this.value='(';" onkeyup="var telephone = this.value;
      if (telephone.match(/^(d2$/) !==null)
      this.value = telephone + ')';
      else if (telephone.match(/^(d2)d5$/) !== null)
      this.value = telephone + '-';
      " maxlength="14"/>





      share|improve this answer

























        0












        0








        0







        My goal is just to put a mask for the telephone field in Magento2 Checkout. Since the Knockout method didn't work I simple declared a new template in checkout_index_index.xml with the bellow code:



         <input class="input-text" type="text" placeholder= (__)_____-____ data-bind="
        value: value,
        valueUpdate: 'keyup',
        attr:
        name: inputName,
        id: uid
        " name="telephone" aria-required="true" aria-invalid="false" autocomplete="off" onfocus="this.value='(';" onkeyup="var telephone = this.value;
        if (telephone.match(/^(d2$/) !==null)
        this.value = telephone + ')';
        else if (telephone.match(/^(d2)d5$/) !== null)
        this.value = telephone + '-';
        " maxlength="14"/>





        share|improve this answer













        My goal is just to put a mask for the telephone field in Magento2 Checkout. Since the Knockout method didn't work I simple declared a new template in checkout_index_index.xml with the bellow code:



         <input class="input-text" type="text" placeholder= (__)_____-____ data-bind="
        value: value,
        valueUpdate: 'keyup',
        attr:
        name: inputName,
        id: uid
        " name="telephone" aria-required="true" aria-invalid="false" autocomplete="off" onfocus="this.value='(';" onkeyup="var telephone = this.value;
        if (telephone.match(/^(d2$/) !==null)
        this.value = telephone + ')';
        else if (telephone.match(/^(d2)d5$/) !== null)
        this.value = telephone + '-';
        " maxlength="14"/>






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Dec 9 '18 at 1:47









        GabrielaGabriela

        267 bronze badges




        267 bronze badges



























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