mirror of
https://github.com/Choices-js/Choices.git
synced 2024-05-13 02:56:36 +02:00
Test next state to previous state to avoid needless rendering
This commit is contained in:
Josh Johnson
parent
b34db1920a
commit
5cf4368ad4
4
assets/scripts/dist/bundle.js
vendored
4
assets/scripts/dist/bundle.js
vendored
File diff suppressed because one or more lines are too long
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@ -77,14 +77,15 @@ export class Choices {
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callbackOnAddItem: function() {}
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};
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// Initial instance state
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this.initialised = false;
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// Merge options with user options
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this.options = extend(defaultOptions, userOptions);
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// Create data store
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this.store = new Store();
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this.store = new Store(this.render);
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// State tracking
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this.currentState = {};
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this.prevState = {};
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// Retrieve triggering element (i.e. element with 'data-choice' trigger)
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this.passedElement = isType('String', element) ? document.querySelector(element) : element;
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@ -331,17 +332,21 @@ export class Choices {
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});
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// Check that have a value to search
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if(this.input.value) {
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if(this.input.value && options.length) {
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const handleFilter = debounce(() => {
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// Ensure value *still* has a value after 500 delay
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if(this.input.value && this.input.value.length >= 1) {
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const options = this.store.getOptionsFiltedBySelectable();
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const fuse = new Fuse(options, {
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const haystack = this.store.getOptionsFiltedBySelectable();
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const needle = this.input.value;
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const fuse = new Fuse(haystack, {
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keys: ['label', 'value'],
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shouldSort: true,
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include: 'score',
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});
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const results = fuse.search(this.input.value);
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const results = fuse.search(needle);
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this.isSearching = true;
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this.store.dispatch(filterOptions(results));
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}
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@ -593,6 +598,7 @@ export class Choices {
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* @param {String} value Value to add to store
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*/
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addItem(value, label, optionId = -1, callback = this.options.callbackOnAddItem) {
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const items = this.store.getItems();
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let passedValue = value.trim();
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let passedLabel = label || passedValue;
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let passedOptionId = optionId || -1;
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@ -608,7 +614,7 @@ export class Choices {
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}
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// Generate unique id
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const id = this.store.getState().items.length + 1;
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const id = items ? items.length + 1 : 1;
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this.store.dispatch(addItem(passedValue, passedLabel, id, passedOptionId));
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@ -640,11 +646,8 @@ export class Choices {
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// Run callback
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if(callback){
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if(isType('Function', callback)) {
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callback(value);
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} else {
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console.error('callbackOnRemoveItem: Callback is not a function');
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}
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if(!isType('Function', callback)) console.error('callbackOnRemoveItem: Callback is not a function'); return;
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callback(value);
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}
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}
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@ -654,9 +657,7 @@ export class Choices {
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* @return
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*/
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removeItemsByValue(value) {
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if(!value || !isType('String', value)) {
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console.error('removeItemsByValue: No value was passed to be removed');
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}
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if(!value || !isType('String', value)) console.error('removeItemsByValue: No value was passed to be removed'); return;
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const items = this.store.getItemsFilteredByActive();
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@ -753,8 +754,8 @@ export class Choices {
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*/
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addOption(option, groupId = -1) {
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// Generate unique id
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const state = this.store.getState();
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const id = state.options.length + 1;
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const options = this.store.getOptions();
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const id = options.length + 1;
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const value = option.value;
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const label = option.innerHTML;
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const isDisabled = option.disabled || option.parentNode.disabled;
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@ -788,6 +789,64 @@ export class Choices {
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}
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}
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getTemplate(template, ...args) {
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if(!template) return;
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const templates = this.options.templates;
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return templates[template](...args);
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}
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/**
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* Create HTML element based on type and arguments
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* @param {String} template Template to create
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* @param {...} args Data
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* @return {HTMLElement}
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*/
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createTemplates() {
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const classNames = this.options.classNames;
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const templates = {
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containerOuter: () => {
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return strToEl(`<div class="${ classNames.containerOuter }"></div>`);
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},
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containerInner: () => {
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return strToEl(`<div class="${ classNames.containerInner }"></div>`);
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},
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list: () => {
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return strToEl(`<ul class="${ classNames.list } ${ classNames.listItems }"></ul>`);
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},
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input: () => {
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return strToEl(`<input type="text" class="${ classNames.input } ${ classNames.inputCloned }">`);
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},
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dropdown: () => {
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return strToEl(`<div class="${ classNames.list } ${ classNames.listDropdown }"></div>`);
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},
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notice: (label) => {
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return strToEl(`<div class="${ classNames.item } ${ classNames.itemOption }">${ label }</div>`);
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},
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option: (data) => {
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return strToEl(`
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<div class="${ classNames.item } ${ classNames.itemOption } ${ data.disabled ? classNames.itemDisabled : classNames.itemSelectable }" data-option ${ data.disabled ? 'data-option-disabled' : 'data-option-selectable' } data-id="${ data.id }" data-value="${ data.value }">
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${ data.label }
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</div>
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`);
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},
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optgroup: (data) => {
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return strToEl(`
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<div class="${ classNames.group } ${ data.disabled ? classNames.itemDisabled : '' }" data-group data-id="${ data.id }" data-value="${ data.value }">
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<div class="${ classNames.groupHeading }">${ data.value }</div>
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</div>
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`);
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},
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item: (data) => {
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return strToEl(`
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<div class="${ classNames.item } ${ classNames.itemOption } ${ data.selected ? classNames.selectedState : classNames.itemSelectable }" data-item data-id="${ data.id }" data-value="${ data.value }">
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${ data.label }
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</div>
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`);
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},
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};
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this.options.templates = extend(this.options.templates, templates);
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}
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/**
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* Create DOM structure around passed select element
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@ -860,156 +919,107 @@ export class Choices {
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this.list = list;
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}
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renderGroups(groups, options, fragment) {
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groups.forEach((group, i) => {
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// Grab options that are children of this group
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const groupOptions = options.filter((option) => {
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return option.groupId === group.id;
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});
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if(groupOptions.length >= 1) {
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const dropdownGroup = this.getTemplate('optgroup', group);
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groupOptions.forEach((option, j) => {
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const dropdownItem = this.getTemplate('option', option);
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dropdownGroup.appendChild(dropdownItem);
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});
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fragment.appendChild(dropdownGroup);
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}
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});
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}
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renderOptions(options, fragment) {
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options.forEach((option, i) => {
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const dropdownItem = this.getTemplate('option', option);
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fragment.appendChild(dropdownItem);
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});
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}
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renderItems(items, fragment) {
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// Simplify store data to just values
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const itemsFiltered = this.store.getItemsReducedToValues();
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// Assign hidden input array of values
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this.passedElement.value = itemsFiltered.join(this.options.delimiter);
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// Clear list
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this.list.innerHTML = '';
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// Add each list item to list
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items.forEach((item) => {
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// Create new list element
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const listItem = this.getTemplate('item', item);
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// Append it to list
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fragment.appendChild(listItem);
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});
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this.list.appendChild(fragment);
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}
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/**
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* Render DOM with values
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* @return
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*/
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render(callback = this.options.callbackOnRender) {
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const classNames = this.options.classNames;
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const activeItems = this.store.getItemsFilteredByActive();
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render() {
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this.currentState = this.store.getState();
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if(this.currentState !== this.prevState) {
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// OPTIONS
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if((this.currentState.options !== this.prevState.options || this.currentState.groups !== this.prevState.groups) && this.passedElement.type === 'select-multiple') {
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// Get active groups/options
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const activeGroups = this.store.getGroupsFilteredByActive();
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const activeOptions = this.store.getOptionsFilteredByActive();
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// OPTIONS
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if(this.passedElement.type === 'select-multiple') {
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const activeOptions = this.store.getOptionsFilteredByActive();
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const activeGroups = this.store.getGroupsFilteredByActive();
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// Create a fragment to store our list items (so we don't have to update the DOM for each item)
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const optionListFragment = document.createDocumentFragment();
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// Create a fragment to store our list items (so we don't have to update the DOM for each item)
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const optionListFragment = document.createDocumentFragment();
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// Clear options
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this.dropdown.innerHTML = '';
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// If we have grouped options
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if(activeGroups.length >= 1 && this.isSearching !== true) {
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activeGroups.forEach((group, i) => {
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// Grab options that are children of this group
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const groupOptions = activeOptions.filter((option) => {
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return option.groupId === group.id;
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});
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// If we have grouped options
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if(activeGroups.length >= 1 && this.isSearching !== true) {
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this.renderGroups(activeGroups, activeOptions, optionListFragment);
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} else if(activeOptions.length >= 1) {
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this.renderOptions(activeOptions, optionListFragment);
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}
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if(groupOptions.length >= 1) {
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const dropdownGroup = this.getTemplate('optgroup', group);
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groupOptions.forEach((option, j) => {
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const dropdownItem = this.getTemplate('option', option);
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dropdownGroup.appendChild(dropdownItem);
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});
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optionListFragment.appendChild(dropdownGroup);
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}
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});
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} else if(activeOptions.length >= 1) {
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activeOptions.forEach((option, i) => {
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const dropdownItem = this.getTemplate('option', option);
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optionListFragment.appendChild(dropdownItem);
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});
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// If we actually have anything to add to our dropdown
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if(optionListFragment.children.length) {
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this.dropdown.appendChild(optionListFragment);
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this.highlightOption();
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} else {
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// If dropdown is empty, show a no content notice
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const dropdownItem = this.getTemplate('notice', 'No options to select');
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this.dropdown.appendChild(dropdownItem);
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}
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}
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// Clear options
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this.dropdown.innerHTML = '';
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if(optionListFragment.children.length) {
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this.dropdown.appendChild(optionListFragment);
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this.highlightOption();
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} else {
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// If dropdown is empty, show a no content notice
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const dropdownItem = this.getTemplate('notice', 'No options to select');
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this.dropdown.appendChild(dropdownItem);
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}
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}
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// ITEMS
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if(activeItems) {
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// Simplify store data to just values
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const itemsFiltered = this.store.getItemsReducedToValues();
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// Assign hidden input array of values
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this.passedElement.value = itemsFiltered.join(this.options.delimiter);
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// Clear list
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this.list.innerHTML = '';
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// Create a fragment to store our list items (so we don't have to update the DOM for each item)
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const itemListFragment = document.createDocumentFragment();
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// Add each list item to list
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activeItems.forEach((item) => {
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// Create new list element
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const listItem = this.getTemplate('item', item);
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// Append it to list
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itemListFragment.appendChild(listItem);
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});
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this.list.appendChild(itemListFragment);
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}
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// Run callback if it is a function
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if(callback){
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if(isType('Function', callback)) {
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callback(activeItems);
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} else {
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console.error('callbackOnRender: Callback is not a function');
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// ITEMS
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if(this.currentState.items !== this.prevState.items) {
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const activeItems = this.store.getItemsFilteredByActive();
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if(activeItems) {
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// Create a fragment to store our list items (so we don't have to update the DOM for each item)
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const itemListFragment = document.createDocumentFragment();
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this.renderItems(activeItems, itemListFragment);
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}
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}
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this.prevState = this.currentState;
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}
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}
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getTemplate(template, ...args) {
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if(!template) return;
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const templates = this.options.templates;
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return templates[template](...args);
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}
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/**
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* Create HTML element based on type and arguments
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* @param {String} template Template to create
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* @param {...} args Data
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* @return {HTMLElement}
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*/
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createTemplates() {
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const classNames = this.options.classNames;
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const templates = {
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containerOuter: () => {
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return strToEl(`<div class="${ classNames.containerOuter }"></div>`);
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},
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containerInner: () => {
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return strToEl(`<div class="${ classNames.containerInner }"></div>`);
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},
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list: () => {
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return strToEl(`<ul class="${ classNames.list } ${ classNames.listItems }"></ul>`);
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},
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input: () => {
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return strToEl(`<input type="text" class="${ classNames.input } ${ classNames.inputCloned }">`);
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},
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dropdown: () => {
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return strToEl(`<div class="${ classNames.list } ${ classNames.listDropdown }"></div>`);
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},
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notice: (label) => {
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return strToEl(`<div class="${ classNames.item } ${ classNames.itemOption }">${ label }</div>`);
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},
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option: (data) => {
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return strToEl(`
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<div class="${ classNames.item } ${ classNames.itemOption } ${ data.disabled ? classNames.itemDisabled : classNames.itemSelectable }" data-option ${ data.disabled ? 'data-option-disabled' : 'data-option-selectable' } data-id="${ data.id }" data-value="${ data.value }">
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${ data.label }
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</div>
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`);
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},
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optgroup: (data) => {
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return strToEl(`
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<div class="${ classNames.group } ${ data.disabled ? classNames.itemDisabled : '' }" data-group data-id="${ data.id }" data-value="${ data.value }">
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<div class="${ classNames.groupHeading }">${ data.value }</div>
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</div>
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`);
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},
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item: (data) => {
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return strToEl(`
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<div class="${ classNames.item } ${ classNames.itemOption } ${ data.selected ? classNames.selectedState : classNames.itemSelectable }" data-item data-id="${ data.id }" data-value="${ data.value }">
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${ data.label }
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</div>
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`);
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},
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};
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this.options.templates = extend(this.options.templates, templates);
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}
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/**
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* Trigger event listeners
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* @return
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@ -1045,15 +1055,12 @@ export class Choices {
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* @return
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*/
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init(callback = this.options.callbackOnInit) {
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this.initialised = true;
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// Create required elements
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this.createTemplates();
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// Generate input markup
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this.generateInput();
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// Subscribe to store
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this.store.subscribe(this.render);
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// Render any items
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|
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@ -3,21 +3,39 @@
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import { createStore } from 'redux';
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import rootReducer from './reducers/index.js';
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export class Store {
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constructor() {
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this.store = createStore(rootReducer);
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this.store = createStore(
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rootReducer,
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window.devToolsExtension ? window.devToolsExtension() : undefined
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);
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}
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/**
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* Get store object (wrapping Redux method)
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* @return {Object} State
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*/
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getState() {
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return this.store.getState();
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}
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dispatch(callback) {
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this.store.dispatch(callback);
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/**
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* Dispatch event to store (wrapped Redux method)
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* @param {Function} action Action function to trigger
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* @return
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*/
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dispatch(action) {
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this.store.dispatch(action);
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}
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subscribe(callback) {
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this.store.subscribe(callback);
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/**
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* Subscribe store to function call (wrapped Redux method)
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* @param {Function} onChange Function to trigger when state changes
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* @return
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*/
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subscribe(onChange) {
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this.store.subscribe(onChange);
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}
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/**
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|
|
@ -122,4 +140,4 @@ export class Store {
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}
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};
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window.Store = module.exports = Store;
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module.exports = Store;
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|
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@ -97,24 +97,15 @@ h1, h2, h3, h4, h5, h6 {
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opacity: .5; }
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.choices__list--dropdown .choices__item.is-selected:hover {
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background-color: #FFFFFF; }
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.choices__list--dropdown .choices__item--selectable {
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-webkit-transition: background-color .15s ease-in-out;
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transition: background-color .15s ease-in-out; }
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.choices__list--dropdown .choices__item--selectable:after {
|
||||
content: "Press to select";
|
||||
font-size: 12px;
|
||||
opacity: 0;
|
||||
float: right;
|
||||
-webkit-transition: opacity .15s ease-in-out;
|
||||
transition: opacity .15s ease-in-out; }
|
||||
.choices__list--dropdown .choices__item--selectable.is-highlighted {
|
||||
background-color: #f2f2f2;
|
||||
-webkit-transition: background-color .15s ease-in-out;
|
||||
transition: background-color .15s ease-in-out; }
|
||||
.choices__list--dropdown .choices__item--selectable.is-highlighted:after {
|
||||
opacity: .5;
|
||||
-webkit-transition: opacity .15s ease-in-out;
|
||||
transition: opacity .15s ease-in-out; }
|
||||
.choices__list--dropdown .choices__item--selectable:after {
|
||||
content: "Press to select";
|
||||
font-size: 12px;
|
||||
opacity: 0;
|
||||
float: right; }
|
||||
.choices__list--dropdown .choices__item--selectable.is-highlighted {
|
||||
background-color: #f2f2f2; }
|
||||
.choices__list--dropdown .choices__item--selectable.is-highlighted:after {
|
||||
opacity: .5; }
|
||||
.choices__list--dropdown.is-active {
|
||||
display: block; }
|
||||
.choices__list--dropdown.is-flipped {
|
||||
|
|
|
|||
2
assets/styles/css/choices.min.css
vendored
2
assets/styles/css/choices.min.css
vendored
|
|
@ -1 +1 @@
|
|||
*,:after,:before{box-sizing:border-box}body,html{margin:0;height:100%;widows:100%}html{font-size:62.5%}body{background-color:#333;font-family:"Helvetica Neue",Helvetica,Arial,"Lucida Grande",sans-serif;font-size:1.6rem;color:#fff}label{display:block;margin-bottom:.8rem;font-size:1.4rem;font-weight:500}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:1.2rem;font-weight:500}.container{display:block;margin:auto;max-width:35em;padding:2.4rem}.section{background-color:#fff;padding:2.4rem;color:#333}.choices{margin-bottom:2.4rem;position:relative}.choices__inner{background-color:#f9f9f9;padding:.75rem .75rem .375rem;border:1px solid #ddd;border-radius:.25rem;font-size:1.4rem;cursor:text}.is-active .choices__inner{border-color:#b7b7b7}.choices__inner:focus{outline:1px solid #00bcd4;outline-offset:-1px}.choices__list{margin:0;padding-left:0;list-style-type:none}.choices__list--items{display:inline}.choices__list--items .choices__item{display:inline-block;border-radius:2rem;padding:.4rem 1rem;font-size:1.2rem;margin-right:.375rem;margin-bottom:.375rem;background-color:#00bcd4;border:1px solid #00b1c7;color:#fff;word-break:break-all}.choices__list--items .choices__item.is-selected{background-color:#00a5bb}.choices__list--dropdown{z-index:1;position:absolute;width:100%;background-color:#fff;border:1px solid #ddd;top:100%;margin-top:-1px;display:none;border-bottom-left-radius:.25rem;border-bottom-right-radius:.25rem;max-height:300px;overflow:auto}.is-active .choices__list--dropdown{border-color:#b7b7b7}.choices__list--dropdown .choices__item{padding:1rem;font-size:1.4rem}.choices__list--dropdown .choices__item.is-selected{opacity:.5}.choices__list--dropdown .choices__item.is-selected:hover{background-color:#fff}.choices__list--dropdown .choices__item--selectable,.choices__list--dropdown .choices__item--selectable.is-highlighted{-webkit-transition:background-color .15s ease-in-out;transition:background-color .15s ease-in-out}.choices__list--dropdown .choices__item--selectable:after{content:"Press to select";font-size:12px;opacity:0;float:right;-webkit-transition:opacity .15s ease-in-out;transition:opacity .15s ease-in-out}.choices__list--dropdown .choices__item--selectable.is-highlighted{background-color:#f2f2f2}.choices__list--dropdown .choices__item--selectable.is-highlighted:after{opacity:.5;-webkit-transition:opacity .15s ease-in-out;transition:opacity .15s ease-in-out}.choices__list--dropdown.is-active{display:block}.choices__list--dropdown.is-flipped{top:auto;bottom:100%;margin-top:0;margin-bottom:-1px;border-bottom-left-radius:0;border-bottom-right-radius:0;border-top-left-radius:.25rem;border-top-right-radius:.25rem}.choices__item{cursor:default}.choices__item--selectable{cursor:pointer}.choices__item--disabled{cursor:not-allowed;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;opacity:.5}.choices__group .choices__heading{font-weight:600;font-size:1.2rem;padding:1rem;border-bottom:1px solid #eaeaea;color:gray}.choices__input{background-color:#f9f9f9;font-size:1.4rem;padding:0;margin-bottom:.5rem;display:inline-block;vertical-align:baseline;border:0;border-radius:0;max-width:100%;padding:.4rem 0 .4rem .2rem}.choices__input:focus{outline:0}
|
||||
*,:after,:before{box-sizing:border-box}body,html{margin:0;height:100%;widows:100%}html{font-size:62.5%}body{background-color:#333;font-family:"Helvetica Neue",Helvetica,Arial,"Lucida Grande",sans-serif;font-size:1.6rem;color:#fff}label{display:block;margin-bottom:.8rem;font-size:1.4rem;font-weight:500}h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:1.2rem;font-weight:500}.container{display:block;margin:auto;max-width:35em;padding:2.4rem}.section{background-color:#fff;padding:2.4rem;color:#333}.choices{margin-bottom:2.4rem;position:relative}.choices__inner{background-color:#f9f9f9;padding:.75rem .75rem .375rem;border:1px solid #ddd;border-radius:.25rem;font-size:1.4rem;cursor:text}.is-active .choices__inner{border-color:#b7b7b7}.choices__inner:focus{outline:1px solid #00bcd4;outline-offset:-1px}.choices__list{margin:0;padding-left:0;list-style-type:none}.choices__list--items{display:inline}.choices__list--items .choices__item{display:inline-block;border-radius:2rem;padding:.4rem 1rem;font-size:1.2rem;margin-right:.375rem;margin-bottom:.375rem;background-color:#00bcd4;border:1px solid #00b1c7;color:#fff;word-break:break-all}.choices__list--items .choices__item.is-selected{background-color:#00a5bb}.choices__list--dropdown{z-index:1;position:absolute;width:100%;background-color:#fff;border:1px solid #ddd;top:100%;margin-top:-1px;display:none;border-bottom-left-radius:.25rem;border-bottom-right-radius:.25rem;max-height:300px;overflow:auto}.is-active .choices__list--dropdown{border-color:#b7b7b7}.choices__list--dropdown .choices__item{padding:1rem;font-size:1.4rem}.choices__list--dropdown .choices__item--selectable.is-highlighted:after,.choices__list--dropdown .choices__item.is-selected{opacity:.5}.choices__list--dropdown .choices__item.is-selected:hover{background-color:#fff}.choices__list--dropdown .choices__item--selectable:after{content:"Press to select";font-size:12px;opacity:0;float:right}.choices__list--dropdown .choices__item--selectable.is-highlighted{background-color:#f2f2f2}.choices__list--dropdown.is-active{display:block}.choices__list--dropdown.is-flipped{top:auto;bottom:100%;margin-top:0;margin-bottom:-1px;border-bottom-left-radius:0;border-bottom-right-radius:0;border-top-left-radius:.25rem;border-top-right-radius:.25rem}.choices__item{cursor:default}.choices__item--selectable{cursor:pointer}.choices__item--disabled{cursor:not-allowed;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;opacity:.5}.choices__group .choices__heading{font-weight:600;font-size:1.2rem;padding:1rem;border-bottom:1px solid #eaeaea;color:gray}.choices__input{background-color:#f9f9f9;font-size:1.4rem;padding:0;margin-bottom:.5rem;display:inline-block;vertical-align:baseline;border:0;border-radius:0;max-width:100%;padding:.4rem 0 .4rem .2rem}.choices__input:focus{outline:0}
|
||||
|
|
@ -114,21 +114,15 @@ h1, h2, h3, h4, h5, h6 {
|
|||
}
|
||||
}
|
||||
.choices__item--selectable {
|
||||
transition: background-color .15s ease-in-out;
|
||||
&:after {
|
||||
content: "Press to select";
|
||||
font-size: 12px;
|
||||
opacity: 0;
|
||||
float: right;
|
||||
transition: opacity .15s ease-in-out;
|
||||
}
|
||||
&.is-highlighted {
|
||||
background-color: mix(#000000, #FFFFFF, 5%);
|
||||
transition: background-color .15s ease-in-out;
|
||||
&:after {
|
||||
opacity: .5;
|
||||
transition: opacity .15s ease-in-out;
|
||||
}
|
||||
&:after { opacity: .5; }
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue