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fix default value for options object (vuejs/vue#1032)
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sackmannb
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Apr 11, 2019
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,199 +1,208 @@ | ||
| <template> | ||
| <div class="v-suggestions"> | ||
| <input type="text" :class="extendedOptions.inputClass" | ||
| v-bind="$attrs" | ||
| v-on:keydown="onKeyDown" | ||
| v-on:blur="hideItems" | ||
| v-on:focus="showItems = true" | ||
| v-model="query" | ||
| :autocomplete="Math.random()" | ||
| :placeholder="extendedOptions.placeholder"> | ||
| <input | ||
| type="text" | ||
| :class="extendedOptions.inputClass" | ||
| v-bind="$attrs" | ||
| v-on:keydown="onKeyDown" | ||
| v-on:blur="hideItems" | ||
| v-on:focus="showItems = true" | ||
| v-model="query" | ||
| :autocomplete="Math.random()" | ||
| :placeholder="extendedOptions.placeholder" | ||
| > | ||
| <div class="suggestions"> | ||
| <ul class="items" v-show="items.length > 0 && showItems === true"> | ||
| <li class="item" | ||
| :key="index" | ||
| v-for="(item, index) in items" | ||
| @click.prevent="selectItem(index)" | ||
| v-bind:class="{ 'is-active': index === activeItemIndex }"> | ||
| <slot name="item" | ||
| :item="item"> | ||
| {{item}} | ||
| </slot> | ||
| <li | ||
| class="item" | ||
| :key="index" | ||
| v-for="(item, index) in items" | ||
| @click.prevent="selectItem(index)" | ||
| v-bind:class="{ 'is-active': index === activeItemIndex }" | ||
| > | ||
| <slot name="item" :item="item">{{item}}</slot> | ||
| </li> | ||
| </ul> | ||
| </div> | ||
| </div> | ||
| </template> | ||
| <script> | ||
| import debounce from 'debounce' | ||
| import './Suggestions.css' | ||
| import debounce from "debounce"; | ||
| import "./Suggestions.css"; | ||
| export default { | ||
| inheritAttributes: true, | ||
| props: { | ||
| options: { | ||
| type: Object, | ||
| default: {} | ||
| }, | ||
| onInputChange: { | ||
| type: Function, | ||
| required: true | ||
| }, | ||
| onItemSelected: { | ||
| type: Function | ||
| }, | ||
| value: { | ||
| type: String, | ||
| required: true | ||
| } | ||
| export default { | ||
| inheritAttributes: true, | ||
| props: { | ||
| options: { | ||
| type: Object, | ||
| default: () => {} | ||
| }, | ||
| onInputChange: { | ||
| type: Function, | ||
| required: true | ||
| }, | ||
| data () { | ||
| const defaultOptions = { | ||
| debounce: 0, | ||
| placeholder: '', | ||
| inputClass: 'input' | ||
| onItemSelected: { | ||
| type: Function | ||
| }, | ||
| value: { | ||
| type: String, | ||
| required: true | ||
| } | ||
| }, | ||
| data() { | ||
| const defaultOptions = { | ||
| debounce: 0, | ||
| placeholder: "", | ||
| inputClass: "input" | ||
| }; | ||
| const extendedOptions = Object.assign({}, defaultOptions, this.options); | ||
| return { | ||
| extendedOptions, | ||
| query: this.value, | ||
| lastSetQuery: null, | ||
| items: [], | ||
| activeItemIndex: -1, | ||
| showItems: false | ||
| }; | ||
| }, | ||
| beforeMount() { | ||
| if (this.extendedOptions.debounce !== 0) { | ||
| this.onQueryChanged = debounce( | ||
| this.onQueryChanged, | ||
| this.extendedOptions.debounce | ||
| ); | ||
| } | ||
| }, | ||
| watch: { | ||
| query: function(newValue, oldValue) { | ||
| if (newValue === this.lastSetQuery) { | ||
| this.lastSetQuery = null; | ||
| return; | ||
| } | ||
| const extendedOptions = Object.assign({}, defaultOptions, this.options) | ||
| return { | ||
| extendedOptions, | ||
| query: this.value, | ||
| lastSetQuery: null, | ||
| items: [], | ||
| activeItemIndex: -1, | ||
| showItems: false | ||
| this.onQueryChanged(newValue); | ||
| this.$emit("input", newValue); | ||
| }, | ||
| value: function(newValue, oldValue) { | ||
| this.setInputQuery(newValue); | ||
| } | ||
| }, | ||
| methods: { | ||
| onItemSelectedDefault(item) { | ||
| if (typeof item === "string") { | ||
| this.$emit("input", item); | ||
| this.setInputQuery(item); | ||
| this.showItems = false; | ||
| // console.log('change value') | ||
| } | ||
| }, | ||
| beforeMount () { | ||
| if (this.extendedOptions.debounce !== 0) { | ||
| this.onQueryChanged = debounce(this.onQueryChanged, this.extendedOptions.debounce) | ||
| hideItems() { | ||
| setTimeout(() => { | ||
| this.showItems = false; | ||
| }, 300); | ||
| }, | ||
| showResults() { | ||
| this.showItems = true; | ||
| }, | ||
| setInputQuery(value) { | ||
| this.lastSetQuery = value; | ||
| this.query = value; | ||
| }, | ||
| onKeyDown(e) { | ||
| this.$emit("keyDown", e.keyCode); | ||
| switch (e.keyCode) { | ||
| case 40: | ||
| this.highlightItem("down"); | ||
| e.preventDefault(); | ||
| break; | ||
| case 38: | ||
| this.highlightItem("up"); | ||
| e.preventDefault(); | ||
| break; | ||
| case 13: | ||
| this.selectItem(); | ||
| e.preventDefault(); | ||
| break; | ||
| case 27: | ||
| this.showItems = false; | ||
| e.preventDefault(); | ||
| break; | ||
| default: | ||
| return true; | ||
| } | ||
| }, | ||
| watch: { | ||
| 'query': function (newValue, oldValue) { | ||
| if (newValue === this.lastSetQuery) { | ||
| this.lastSetQuery = null | ||
| return | ||
| selectItem(index) { | ||
| let item = null; | ||
| if (typeof index === "undefined") { | ||
| if (this.activeItemIndex === -1) { | ||
| return; | ||
| } | ||
| this.onQueryChanged(newValue) | ||
| this.$emit('input', newValue) | ||
| }, | ||
| 'value': function (newValue, oldValue) { | ||
| this.setInputQuery(newValue) | ||
| item = this.items[this.activeItemIndex]; | ||
| } else { | ||
| item = this.items[index]; | ||
| } | ||
| if (!item) { | ||
| return; | ||
| } | ||
| if (this.onItemSelected) { | ||
| this.onItemSelected(item); | ||
| } else { | ||
| this.onItemSelectedDefault(item); | ||
| } | ||
| this.hideItems(); | ||
| }, | ||
| methods: { | ||
| onItemSelectedDefault (item) { | ||
| if (typeof item === 'string') { | ||
| this.$emit('input', item) | ||
| this.setInputQuery(item) | ||
| this.showItems = false | ||
| // console.log('change value') | ||
| } | ||
| }, | ||
| hideItems () { | ||
| setTimeout(() => { | ||
| this.showItems = false | ||
| }, 300) | ||
| }, | ||
| showResults () { | ||
| this.showItems = true | ||
| }, | ||
| setInputQuery (value) { | ||
| this.lastSetQuery = value | ||
| this.query = value | ||
| }, | ||
| onKeyDown (e) { | ||
| this.$emit('keyDown', e.keyCode) | ||
| switch (e.keyCode) { | ||
| case 40: | ||
| this.highlightItem('down') | ||
| e.preventDefault() | ||
| break | ||
| case 38: | ||
| this.highlightItem('up') | ||
| e.preventDefault() | ||
| break | ||
| case 13: | ||
| this.selectItem() | ||
| e.preventDefault() | ||
| break | ||
| case 27: | ||
| this.showItems = false | ||
| e.preventDefault() | ||
| break | ||
| default: | ||
| return true | ||
| } | ||
| }, | ||
| selectItem (index) { | ||
| let item = null | ||
| if (typeof index === 'undefined') { | ||
| if (this.activeItemIndex === -1) { | ||
| return | ||
| } | ||
| item = this.items[this.activeItemIndex] | ||
| } else { | ||
| item = this.items[index] | ||
| } | ||
| if (!item) { | ||
| return | ||
| } | ||
| if (this.onItemSelected) { | ||
| this.onItemSelected(item) | ||
| highlightItem(direction) { | ||
| if (this.items.length === 0) { | ||
| return; | ||
| } | ||
| let selectedIndex = this.items.findIndex((item, index) => { | ||
| return index === this.activeItemIndex; | ||
| }); | ||
| if (selectedIndex === -1) { | ||
| // nothing selected | ||
| if (direction === "down") { | ||
| selectedIndex = 0; | ||
| } else { | ||
| this.onItemSelectedDefault(item) | ||
| } | ||
| this.hideItems() | ||
| }, | ||
| highlightItem (direction) { | ||
| if (this.items.length === 0) { | ||
| return | ||
| selectedIndex = this.items.length - 1; | ||
| } | ||
| let selectedIndex = this.items.findIndex((item, index) => { | ||
| return index === this.activeItemIndex | ||
| }) | ||
| if (selectedIndex === -1) { | ||
| // nothing selected | ||
| if (direction === 'down') { | ||
| selectedIndex = 0 | ||
| } else { | ||
| selectedIndex = this.items.length - 1 | ||
| } else { | ||
| this.activeIndexItem = 0; | ||
| if (direction === "down") { | ||
| selectedIndex++; | ||
| if (selectedIndex === this.items.length) { | ||
| selectedIndex = 0; | ||
| } | ||
| } else { | ||
| this.activeIndexItem = 0 | ||
| if (direction === 'down') { | ||
| selectedIndex++ | ||
| if (selectedIndex === this.items.length) { | ||
| selectedIndex = 0 | ||
| } | ||
| } else { | ||
| selectedIndex-- | ||
| if (selectedIndex < 0) { | ||
| selectedIndex = this.items.length - 1 | ||
| } | ||
| selectedIndex--; | ||
| if (selectedIndex < 0) { | ||
| selectedIndex = this.items.length - 1; | ||
| } | ||
| } | ||
| this.activeItemIndex = selectedIndex | ||
| }, | ||
| setItems (items) { | ||
| this.items = items | ||
| this.activeItemIndex = -1 | ||
| this.showItems = true | ||
| }, | ||
| onQueryChanged (value) { | ||
| const result = this.onInputChange(value) | ||
| this.items = [] | ||
| if (typeof result === 'undefined' || typeof result === 'boolean' || result === null) { | ||
| return | ||
| } | ||
| if (result instanceof Array) { | ||
| this.setItems(result) | ||
| } else if (typeof result.then === 'function') { | ||
| result.then(items => { | ||
| this.setItems(items) | ||
| }) | ||
| } | ||
| } | ||
| this.activeItemIndex = selectedIndex; | ||
| }, | ||
| setItems(items) { | ||
| this.items = items; | ||
| this.activeItemIndex = -1; | ||
| this.showItems = true; | ||
| }, | ||
| onQueryChanged(value) { | ||
| const result = this.onInputChange(value); | ||
| this.items = []; | ||
| if ( | ||
| typeof result === "undefined" || | ||
| typeof result === "boolean" || | ||
| result === null | ||
| ) { | ||
| return; | ||
| } | ||
| if (result instanceof Array) { | ||
| this.setItems(result); | ||
| } else if (typeof result.then === "function") { | ||
| result.then(items => { | ||
| this.setItems(items); | ||
| }); | ||
| } | ||
| } | ||
| } | ||
| }; | ||
| </script> |