26 lines
1.1 KiB
JavaScript
26 lines
1.1 KiB
JavaScript
// iOS 11.3 Safari / macOS Safari 11.1 empty <input type="file"> XHR bug workaround.
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// This should work with every modern browser which supports ES5 (including IE9).
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// https://stackoverflow.com/questions/49614091/safari-11-1-ajax-xhr-form-submission-fails-when-inputtype-file-is-empty
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// https://github.com/rails/rails/issues/32440
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document.addEventListener('ajax:before', function(e) {
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let inputs = e.target.querySelectorAll('input[type="file"]:not([disabled])');
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inputs.forEach(function(input) {
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if (input.files.length > 0) {
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return;
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}
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input.setAttribute('data-safari-temp-disabled', 'true');
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input.setAttribute('disabled', '');
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});
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});
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// You should call this by yourself when you aborted an ajax request by stopping a event in ajax:before hook.
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document.addEventListener('ajax:beforeSend', function(e) {
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let inputs = e.target.querySelectorAll(
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'input[type="file"][data-safari-temp-disabled]'
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);
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inputs.forEach(function(input) {
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input.removeAttribute('data-safari-temp-disabled');
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input.removeAttribute('disabled');
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});
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});
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