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feat(ComboBox): selectedIndex -> selectedId (#1016)

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* feat(breaking): selectedIndex -> selectedId in ComboBox

* docs: update ComboBox
This commit is contained in:
Koichi Kiyokawa 2022-01-18 23:37:55 +09:00 • committed by GitHub
commit cde8a79fa8
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9 changed files with 91 additions and 102 deletions
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70
src/ComboBox/ComboBox.svelte
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@ -1,7 +1,7 @@
<script>
/**
* @typedef {{ id: string; text: string; }} ComboBoxItem
* @event {{ selectedId: string; selectedIndex: number; selectedItem: ComboBoxItem }} select
* @event {{ selectedId: string; selectedItem: ComboBoxItem }} select
*/
/**
@ -16,8 +16,11 @@
*/
export let itemToString = (item) => item.text || item.id;
/** Set the selected item by value index */
export let selectedIndex = -1;
/**
* Set the selected item by value id
* @type {string}
*/
export let selectedId = undefined;
/** Specify the selected combobox value */
export let value = "";
@ -107,10 +110,9 @@
const dispatch = createEventDispatcher();
let selectedId = undefined;
let selectedItem = undefined;
let inputValue = value;
let prevSelectedIndex = undefined;
let prevSelectedId = null;
let highlightedIndex = -1;
function change(dir) {
@ -129,8 +131,7 @@
* @type {(options?: { focus?: boolean; }) => void}
*/
export function clear(options = {}) {
prevSelectedIndex = undefined;
selectedIndex = -1;
prevSelectedId = null;
highlightedIndex = -1;
highlightedId = undefined;
selectedId = undefined;
@ -149,34 +150,31 @@
filteredItems = [];
if (!selectedItem) {
selectedId = undefined;
selectedIndex = -1;
inputValue = "";
highlightedIndex = -1;
highlightedId = undefined;
prevSelectedIndex = undefined;
} else {
// programmatically set selectedIndex
// programmatically set inputValue
inputValue = selectedItem.text;
}
}
});
$: if (selectedIndex > -1) {
if (prevSelectedIndex !== selectedIndex) {
prevSelectedIndex = selectedIndex;
$: if (selectedId !== undefined) {
if (prevSelectedId !== selectedId) {
prevSelectedId = selectedId;
if (filteredItems?.length === 1 && open) {
selectedId = filteredItems[0].id;
selectedItem = filteredItems[0];
highlightedIndex = -1;
highlightedId = undefined;
} else {
selectedId = items[selectedIndex].id;
selectedItem = items[selectedIndex];
selectedItem = items.find((item) => item.id === selectedId);
}
dispatch("select", { selectedId, selectedIndex, selectedItem });
dispatch("select", { selectedId, selectedItem });
}
} else {
prevSelectedIndex = selectedIndex;
prevSelectedId = selectedId;
selectedItem = undefined;
}
@ -269,29 +267,25 @@
if (key === 'Enter') {
open = !open;
if (highlightedIndex > -1 && highlightedIndex !== selectedIndex) {
selectedIndex = highlightedIndex;
if (
highlightedIndex > -1 &&
filteredItems[highlightedIndex]?.id !== selectedId
) {
open = false;
highlightedIndex = -1;
if (filteredItems[selectedIndex]) {
inputValue = filteredItems[selectedIndex].text;
selectedItem = filteredItems[selectedIndex];
selectedId = filteredItems[selectedIndex].id;
if (filteredItems[highlightedIndex]) {
inputValue = filteredItems[highlightedIndex].text;
selectedItem = filteredItems[highlightedIndex];
selectedId = filteredItems[highlightedIndex].id;
}
selectedIndex = items.findIndex((item) => item.id === selectedId);
} else {
selectedIndex = 0;
open = false;
highlightedIndex = -1;
if (filteredItems[selectedIndex]) {
inputValue = filteredItems[selectedIndex].text;
selectedItem = filteredItems[selectedIndex];
selectedId = filteredItems[selectedIndex].id;
selectedIndex = items.findIndex(
(item) => item.id === selectedId
);
if (filteredItems[0]) {
inputValue = filteredItems[0].text;
selectedItem = filteredItems[0];
selectedId = filteredItems[0].id;
}
}
highlightedIndex = -1;
} else if (key === 'Tab') {
open = false;
} else if (key === 'ArrowDown') {
@ -354,12 +348,10 @@
{#each filteredItems as item, i (item.id)}
<ListBoxMenuItem
id="{item.id}"
active="{selectedIndex === i || selectedId === item.id}"
highlighted="{highlightedIndex === i || selectedIndex === i}"
active="{selectedId === item.id}"
highlighted="{highlightedIndex === i}"
on:click="{() => {
selectedIndex = items
.map(({ id }) => id)
.indexOf(filteredItems[i].id);
selectedId = item.id;
open = false;
if (filteredItems[i]) {