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/*! |
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* bsCustomFileInput v1.3.2 (https://github.com/Johann-S/bs-custom-file-input) |
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* Copyright 2018 - 2019 Johann-S <[email protected]> |
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* Licensed under MIT (https://github.com/Johann-S/bs-custom-file-input/blob/master/LICENSE) |
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*/ |
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(function (global, factory) { |
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : |
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typeof define === 'function' && define.amd ? define(factory) : |
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(global = global || self, global.bsCustomFileInput = factory()); |
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}(this, function () { 'use strict'; |
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|
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var Selector = { |
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CUSTOMFILE: '.custom-file input[type="file"]', |
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CUSTOMFILELABEL: '.custom-file-label', |
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FORM: 'form', |
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INPUT: 'input' |
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}; |
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|
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var textNodeType = 3; |
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|
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var getDefaultText = function getDefaultText(input) { |
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var defaultText = ''; |
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var label = input.parentNode.querySelector(Selector.CUSTOMFILELABEL); |
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|
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if (label) { |
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defaultText = label.innerHTML; |
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} |
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|
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return defaultText; |
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}; |
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|
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var findFirstChildNode = function findFirstChildNode(element) { |
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if (element.childNodes.length > 0) { |
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var childNodes = [].slice.call(element.childNodes); |
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|
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for (var i = 0; i < childNodes.length; i++) { |
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var node = childNodes[i]; |
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|
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if (node.nodeType !== textNodeType) { |
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return node; |
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} |
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} |
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} |
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|
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return element; |
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}; |
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|
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var restoreDefaultText = function restoreDefaultText(input) { |
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var defaultText = input.bsCustomFileInput.defaultText; |
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var label = input.parentNode.querySelector(Selector.CUSTOMFILELABEL); |
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|
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if (label) { |
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var element = findFirstChildNode(label); |
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element.innerHTML = defaultText; |
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} |
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}; |
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|
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var fileApi = !!window.File; |
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var FAKE_PATH = 'fakepath'; |
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var FAKE_PATH_SEPARATOR = '\\'; |
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|
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var getSelectedFiles = function getSelectedFiles(input) { |
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if (input.hasAttribute('multiple') && fileApi) { |
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return [].slice.call(input.files).map(function (file) { |
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return file.name; |
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}).join(', '); |
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} |
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|
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if (input.value.indexOf(FAKE_PATH) !== -1) { |
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var splittedValue = input.value.split(FAKE_PATH_SEPARATOR); |
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return splittedValue[splittedValue.length - 1]; |
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} |
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|
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return input.value; |
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}; |
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|
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function handleInputChange() { |
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var label = this.parentNode.querySelector(Selector.CUSTOMFILELABEL); |
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|
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if (label) { |
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var element = findFirstChildNode(label); |
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var inputValue = getSelectedFiles(this); |
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|
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if (inputValue.length) { |
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element.innerHTML = inputValue; |
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} else { |
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restoreDefaultText(this); |
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} |
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} |
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} |
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|
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function handleFormReset() { |
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var customFileList = [].slice.call(this.querySelectorAll(Selector.INPUT)).filter(function (input) { |
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return !!input.bsCustomFileInput; |
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}); |
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|
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for (var i = 0, len = customFileList.length; i < len; i++) { |
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restoreDefaultText(customFileList[i]); |
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} |
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} |
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|
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var customProperty = 'bsCustomFileInput'; |
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var Event = { |
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FORMRESET: 'reset', |
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INPUTCHANGE: 'change' |
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}; |
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var bsCustomFileInput = { |
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init: function init(inputSelector, formSelector) { |
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if (inputSelector === void 0) { |
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inputSelector = Selector.CUSTOMFILE; |
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} |
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|
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if (formSelector === void 0) { |
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formSelector = Selector.FORM; |
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} |
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|
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var customFileInputList = [].slice.call(document.querySelectorAll(inputSelector)); |
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var formList = [].slice.call(document.querySelectorAll(formSelector)); |
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|
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for (var i = 0, len = customFileInputList.length; i < len; i++) { |
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var input = customFileInputList[i]; |
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Object.defineProperty(input, customProperty, { |
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value: { |
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defaultText: getDefaultText(input) |
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}, |
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writable: true |
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}); |
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handleInputChange.call(input); |
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input.addEventListener(Event.INPUTCHANGE, handleInputChange); |
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} |
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|
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for (var _i = 0, _len = formList.length; _i < _len; _i++) { |
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formList[_i].addEventListener(Event.FORMRESET, handleFormReset); |
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|
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Object.defineProperty(formList[_i], customProperty, { |
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value: true, |
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writable: true |
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}); |
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} |
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}, |
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destroy: function destroy() { |
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var formList = [].slice.call(document.querySelectorAll(Selector.FORM)).filter(function (form) { |
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return !!form.bsCustomFileInput; |
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}); |
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var customFileInputList = [].slice.call(document.querySelectorAll(Selector.INPUT)).filter(function (input) { |
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return !!input.bsCustomFileInput; |
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}); |
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|
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for (var i = 0, len = customFileInputList.length; i < len; i++) { |
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var input = customFileInputList[i]; |
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restoreDefaultText(input); |
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input[customProperty] = undefined; |
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input.removeEventListener(Event.INPUTCHANGE, handleInputChange); |
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} |
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|
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for (var _i2 = 0, _len2 = formList.length; _i2 < _len2; _i2++) { |
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formList[_i2].removeEventListener(Event.FORMRESET, handleFormReset); |
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|
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formList[_i2][customProperty] = undefined; |
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} |
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} |
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}; |
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|
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return bsCustomFileInput; |
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|
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})); |
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//# sourceMappingURL=bs-custom-file-input.js.map |
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