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feat: add discord-unordered-list and discord-list-item
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40 changes: 40 additions & 0 deletions
40
packages/core/src/components/discord-list-item/DiscordListItem.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| import { css, html, LitElement } from 'lit'; | ||
| import { customElement } from 'lit/decorators.js'; | ||
| import { DiscordComponentsError } from '../../util.js'; | ||
|
|
||
| @customElement('discord-list-item') | ||
| export class DiscordListItem extends LitElement { | ||
| public static override styles = css` | ||
| :host > li { | ||
| white-space: break-spaces; | ||
| margin-bottom: 4px; | ||
| } | ||
| `; | ||
|
|
||
| public checkParentElement() { | ||
| if ( | ||
| this.parentElement?.tagName.toLowerCase() !== 'discord-unordered-list' && | ||
| this.parentElement?.tagName.toLowerCase() !== 'discord-ordered-list' | ||
| ) { | ||
| throw new DiscordComponentsError( | ||
| 'All <discord-list-item> components must be direct children of <discord-unordered-list> or <discord-ordered-list>.' | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| protected override render() { | ||
| this.checkParentElement(); | ||
|
|
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| return html`<!-- display: inline --> | ||
| <li | ||
| ><span | ||
| ><span><slot></slot></span></span | ||
| ></li>`; | ||
| } | ||
| } | ||
|
|
||
| declare global { | ||
| interface HTMLElementTagNameMap { | ||
| 'discord-list-item': DiscordListItem; | ||
| } | ||
| } |
76 changes: 76 additions & 0 deletions
76
packages/core/src/components/discord-unordered-list/DiscordUnorderedList.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| import { css, html, LitElement } from 'lit'; | ||
| import { customElement, property } from 'lit/decorators.js'; | ||
| import { DiscordComponentsError } from '../../util.js'; | ||
|
|
||
| @customElement('discord-unordered-list') | ||
| export class DiscordUnorderedList extends LitElement { | ||
| public static override styles = css` | ||
| :host > ul { | ||
| list-style: disc; | ||
| list-style-position: outside; | ||
| margin: 4px 0 0 16px; | ||
| padding: 0px; | ||
| } | ||
| :host([nested]) > ul { | ||
| list-style: circle; | ||
| } | ||
| `; | ||
|
|
||
| /** | ||
| * Whether this is a nested list or not, this will change the style of the list-style. | ||
| * | ||
| * The library will try to guess this automatically based on the component tree, but | ||
| * you can also set this manually. | ||
| * | ||
| * @default false | ||
| */ | ||
| @property({ type: Boolean, reflect: true }) | ||
| public accessor nested = false; | ||
|
|
||
| public checkChildren() { | ||
| const allChildrenAreListItems = Array.from(this.children).every((child) => { | ||
| const tagNameLowerCase = child.tagName.toLowerCase(); | ||
| return ( | ||
| tagNameLowerCase === 'discord-list-item' || | ||
| tagNameLowerCase === 'discord-unordered-list' || | ||
| tagNameLowerCase === 'discord-ordered-list' | ||
| ); | ||
| }); | ||
|
|
||
| if (!allChildrenAreListItems) { | ||
| throw new DiscordComponentsError( | ||
| 'All direct children inside of a <discord-unordered-list> components must be one of <discord-unordered-list>, <discord-ordered-list>, or <discord-list-item>.' | ||
| ); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Sets {@link DiscordUnorderedList.nested nested} to true if the parent is either | ||
| * `<discord-unordered-list>` or `<discord-ordered-list>`. | ||
| */ | ||
| protected override willUpdate(): void { | ||
| if ( | ||
| this.parentElement?.tagName.toLowerCase() === 'discord-unordered-list' || | ||
| this.parentElement?.tagName.toLowerCase() === 'discord-ordered-list' | ||
| ) { | ||
| this.nested = true; | ||
| } | ||
| } | ||
|
|
||
| protected override render() { | ||
| this.checkChildren(); | ||
|
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| // We disable the eslint rule here because users should use the <discord-list-item> component inside of this component. | ||
| // eslint-disable-next-line lit-a11y/list | ||
| return html`<ul> | ||
| <slot></slot> | ||
| </ul>`; | ||
| } | ||
| } | ||
|
|
||
| declare global { | ||
| interface HTMLElementTagNameMap { | ||
| 'discord-unordered-list': DiscordUnorderedList; | ||
| } | ||
| } |
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