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chore(multi-select): keep checkboxes rendered in DOM
Display ListBox via CSS
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Enrico Sacchetti
parent
276465aa9d
commit
43ac7a811f
5 changed files with 44 additions and 133 deletions
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@ -2356,7 +2356,7 @@ export interface MultiSelectItem {
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### Props
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| Prop name | Required | Kind | Reactive | Type | Default value | Description |
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| :------------------------------ | :------------------------ | :---------------------------------------------------------------------------------------------------------------------------- | :------- | ------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| :----------------------- | :------- | :--------------- | :------- | ---------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| highlightedId | No | <code>let</code> | Yes | <code>null | MultiSelectItemId</code> | <code>null</code> | Id of the highlighted ListBoxMenuItem |
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| selectionRef | No | <code>let</code> | Yes | <code>null | HTMLDivElement</code> | <code>null</code> | Obtain a reference to the selection element |
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| fieldRef | No | <code>let</code> | Yes | <code>null | HTMLDivElement</code> | <code>null</code> | Obtain a reference to the field box element |
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@ -2367,10 +2367,7 @@ export interface MultiSelectItem {
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| selectedIds | No | <code>let</code> | Yes | <code>ReadonlyArray<MultiSelectItemId></code> | <code>[]</code> | Set the selected ids |
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| items | No | <code>let</code> | Yes | <code>ReadonlyArray<MultiSelectItem></code> | <code>[]</code> | Set the multiselect items |
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| itemToString | No | <code>let</code> | No | <code>(item: MultiSelectItem) => any</code> | <code>(item) => item.text || item.id</code> | Override the display of a multiselect item |
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| itemToInput | No | <code>let</code> | No | <code>(item: MultiSelectItem) => { name?: string; labelText?: any; title?: |
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| string; value?: string }</code> | <code>(item) => {}</code> | Override the item name, title, labelText, or value passed to the user-selectable checkbox input as well as the hidden inputs. |
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| selectedOnly | No | <code>let</code> | No | <code>boolean</code> | <code>false</code> | Set to `true` to only render selected options as hidden inputs for form submission. |
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| combineValues | No | <code>let</code> | No | <code>false | true | string</code> | <code>false</code> | Combine selected items as comma-separated values when submitted in a form.<br />If set to `true`, the default separator is a comma `,`.<br />Pass in a string to override the separator. |
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| itemToInput | No | <code>let</code> | No | <code>(item: MultiSelectItem) => { name?: string; labelText?: any; title?: string; value?: string }</code> | <code>(item) => {}</code> | Override the item name, title, labelText, or value passed to the user-selectable checkbox input as well as the hidden inputs. |
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| size | No | <code>let</code> | No | <code>"sm" | "lg" | "xl"</code> | <code>undefined</code> | Set the size of the combobox |
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| type | No | <code>let</code> | No | <code>"default" | "inline"</code> | <code>"default"</code> | Specify the type of multiselect |
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| direction | No | <code>let</code> | No | <code>"bottom" | "top"</code> | <code>"bottom"</code> | Specify the direction of the multiselect dropdown menu |
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@ -7007,7 +7007,7 @@
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"name": "itemToInput",
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"kind": "let",
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"description": "Override the item name, title, labelText, or value passed to the user-selectable checkbox input as well as the hidden inputs.",
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"type": "(item: MultiSelectItem) => { name?: string; labelText?: any; title?:\nstring; value?: string }",
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"type": "(item: MultiSelectItem) => { name?: string; labelText?: any; title?: string; value?: string }",
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"value": "(item) => {}",
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"isFunction": true,
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"isFunctionDeclaration": false,
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@ -7015,30 +7015,6 @@
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"constant": false,
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"reactive": false
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},
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{
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"name": "selectedOnly",
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"kind": "let",
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"description": "Set to `true` to only render selected options as hidden inputs for form submission.",
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"type": "boolean",
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"value": "false",
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"isFunction": false,
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"isFunctionDeclaration": false,
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"isRequired": false,
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"constant": false,
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"reactive": false
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},
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{
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"name": "combineValues",
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"kind": "let",
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"description": "Combine selected items as comma-separated values when submitted in a form.\nIf set to `true`, the default separator is a comma `,`.\nPass in a string to override the separator.",
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"type": "false | true | string",
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"value": "false",
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"isFunction": false,
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"isFunctionDeclaration": false,
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"isRequired": false,
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"constant": false,
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"reactive": false
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},
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{
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"name": "selectedIds",
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"kind": "let",
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@ -14,10 +14,9 @@
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By default, items will be ordered alphabetically based on the `item.text` value.
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To prevent this, see [#no-alphabetical-ordering](#no-alphabetical-ordering).
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Hidden inputs will be rendered based on user selection, such as `<input type="hidden"
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name="0" value="true" />` to mirror checkbox values and to allow MultiSelect to
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be submittable within forms. These hidden inputs can be customized with
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the `combineValues` or `itemToInput` props.
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MultiSelect provides interactivity for a list of checkbox inputs. Those
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checkboxes will remain rendered in the DOM and are submittable within forms.
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Checkbox attributes can be adjusted via the `itemToInput` prop.
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<MultiSelect titleText="Contact" label="Select contact methods..."
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items="{[{id: "0", text: "Slack"},
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@ -96,30 +95,8 @@ The above function sets the `name` attribute to
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`Contact_0` (respective to each item's `id`) for every hidden input that
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renders, along with each respective item's `id` set to the `value` attribute.
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When using with the `selectedOnly` prop, you can override every hidden input to
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use the same `name` attribute. This may be useful if you
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wish to use `formData.getAll('contact')` in your server-side form handler.
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<MultiSelect
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itemToInput={(item) => ({name: 'contact', value: item.id})}
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selectedOnly
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titleText="Contact"
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label="Select contact methods..."
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items="{[
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{id: "0", text: "Slack"},
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{id: "1", text: "Email"},
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{id: "2", text: "Fax"}
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]}"
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/>
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## Combine values into a single input
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With the `combineValues` prop, all selected items' values will render as a
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comma-separated string within a single hidden input. A custom delimiter can
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alternatively be passed in.
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<MultiSelect
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combineValues
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titleText="Contact"
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label="Select contact methods..."
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items="{[
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@ -23,25 +23,10 @@
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/**
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* Override the item name, title, labelText, or value passed to the user-selectable checkbox input as well as the hidden inputs.
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* @type {(item: MultiSelectItem) => { name?: string; labelText?: any; title?:
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* string; value?: string }}
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* @type {(item: MultiSelectItem) => { name?: string; labelText?: any; title?: string; value?: string }}
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*/
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export let itemToInput = (item) => {};
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/**
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* Set to `true` to only render selected options as hidden inputs for form submission.
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* @type {boolean}
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*/
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export let selectedOnly = false
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/**
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* Combine selected items as comma-separated values when submitted in a form.
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* If set to `true`, the default separator is a comma `,`.
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* Pass in a string to override the separator.
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* @type {false | true | string}
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*/
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export let combineValues = false
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/**
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* Set the selected ids
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* @type {ReadonlyArray<MultiSelectItemId>}
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@ -498,7 +483,7 @@
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<ListBoxMenuIcon open="{open}" translateWithId="{translateWithId}" />
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{/if}
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</ListBoxField>
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{#if open}
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<div style:display="{open ? "block" : "none"}">
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<ListBoxMenu
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aria-label="{ariaLabel}"
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id="{id}"
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@ -548,17 +533,7 @@
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</ListBoxMenuItem>
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{/each}
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</ListBoxMenu>
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{:else}
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{#if combineValues}
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{@const items = checked.map(el => el.id).join(typeof combineValues ===
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'string' ? combineValues : ',')}
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<input type="hidden" name={titleText} value="{items}">
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{:else}
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{#each selectedOnly ? checked : sortedItems as item (item.id)}
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<input type="hidden" name="{item.id}" value={item.checked} {...itemToInput(item)} />
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{/each}
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{/if}
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{/if}
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</div>
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</ListBox>
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{#if !inline && !invalid && !warn && helperText}
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<div
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14
types/MultiSelect/MultiSelect.svelte.d.ts
vendored
14
types/MultiSelect/MultiSelect.svelte.d.ts
vendored
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@ -37,20 +37,6 @@ export interface MultiSelectProps extends RestProps {
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value?: string;
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};
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/**
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* Set to `true` to only render selected options as hidden inputs for form submission.
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* @default false
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*/
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selectedOnly?: boolean;
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/**
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* Combine selected items as comma-separated values when submitted in a form.
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* If set to `true`, the default separator is a comma `,`.
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* Pass in a string to override the separator.
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* @default false
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*/
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combineValues?: false | true | string;
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/**
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* Set the selected ids
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* @default []
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