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<action-list> <div data-view-component="true"> <div data-view-component="true" class="ActionList-sectionDivider"> <h3 id="heading-title-46395116-9f26-4ce7-bd3d-3c2f39ad255a" data-view-component="true" class="ActionList-sectionDivider-title"> Action List </h3> </div> <ul id="action-list-feecd811-8d83-44f2-93eb-06980580732d" role="listbox" aria-labelledby="heading-title-46395116-9f26-4ce7-bd3d-3c2f39ad255a" data-view-component="true" class="ActionListWrap"> <li data-targets="action-list.items" role="none" data-view-component="true" class="ActionListItem"> <a id="item-6931c65d-0fab-4ae1-8bff-09b9b5ca444c" href="/" role="option" data-view-component="true" class="ActionListContent"> <span data-view-component="true" class="ActionListItem-label"> Item one </span> </a> </li> <li data-targets="action-list.items" role="none" data-view-component="true" class="ActionListItem"> <a id="item-1800dc27-c5e7-4f44-b592-8842faf1a031" href="/" role="option" data-view-component="true" class="ActionListContent"> <span data-view-component="true" class="ActionListItem-label"> Item two </span> </a> </li> <li data-targets="action-list.items" role="none" data-view-component="true" class="ActionListItem"> <a id="item-0c6ea775-f1a1-4b10-8b3e-a7eb0cee78bf" href="/" role="option" data-view-component="true" class="ActionListContent"> <span data-view-component="true" class="ActionListItem-label"> Item three </span> </a> </li> </ul> </div></action-list>
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render(Primer::Alpha::ActionList.new( role: role, scheme: scheme, show_dividers: show_dividers )) do |component| component.with_heading(title: "Action List") component.with_item(label: "Item one", href: "/", active: true) component.with_item(label: "Item two", href: "/") component.with_item(label: "Item three", href: "/")end
No notes provided.
No params configured.
app/components/primer/alpha/action_list.css
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/* stylelint-disable selector-max-compound-selectors *//* stylelint-disable selector-max-specificity *//* stylelint-disable max-nesting-depth */:root { --actionListContent-paddingBlock: var(--control-medium-paddingBlock);}/* ActionList *//* stylelint-disable-next-line selector-max-type */action-list { display: block;}/* stylelint-disable-next-line selector-max-type */nav-list { display: block;}.ActionListHeader { margin-bottom: var(--base-size-16); margin-left: var(--base-size-8);}/* <ul> */.ActionListWrap { list-style: none;}.ActionListWrap--inset,.ActionListWrap--inset[popover] { padding: var(--base-size-8);}/* list dividers */.ActionListWrap--divided .ActionListItem-label::before { position: absolute; /* stylelint-disable-next-line primer/spacing */ top: calc(-1 * var(--actionListContent-paddingBlock)); display: block; width: 100%; height: 1px; content: ''; background: var(--borderColor-muted, var(--color-action-list-item-inline-divider)); }/* if descriptionWrap--inline exists, move pseudo divider to wrapper */:is(.ActionListWrap--divided .ActionListItem-descriptionWrap--inline)::before { position: absolute; /* stylelint-disable-next-line primer/spacing */ top: calc(-1 * var(--actionListContent-paddingBlock)); display: block; width: 100%; height: var(--borderWidth-thin); content: ''; background: var(--borderColor-muted, var(--color-action-list-item-inline-divider)); }/* unset the default label pseudo */:is(.ActionListWrap--divided .ActionListItem-descriptionWrap--inline) .ActionListItem-label::before { content: unset; }/* hide divider if item is active */:is(.ActionListWrap--divided .ActionListItem--navActive) .ActionListItem-label::before,:is(.ActionListWrap--divided .ActionListItem--navActive) + .ActionListItem .ActionListItem-label::before { visibility: hidden; }/* hide if item is first of type with label::before, or is the first item after a sectionDivider */.ActionListItem:first-of-type .ActionListItem-label::before,.ActionList-sectionDivider + .ActionListItem .ActionListItem-label::before { visibility: hidden;}/* hide if item is first of type with label::before, or is the first item after a sectionDivider */.ActionListItem:first-of-type .ActionListItem-descriptionWrap--inline::before,.ActionList-sectionDivider + .ActionListItem .ActionListItem-descriptionWrap--inline::before { visibility: hidden;}/* ActionList::Item */.ActionListItem { position: relative; list-style: none; background-color: var(--control-transparent-bgColor-rest); border-radius: var(--borderRadius-medium); /* state */}.ActionListItem:hover,.ActionListItem:active { cursor: pointer; }/* hide dividers */@media (hover: hover) { .ActionListItem:hover .ActionListItem-label::before,.ActionListItem:hover + .ActionListItem .ActionListItem-label::before { visibility: hidden; } .ActionListItem:hover .ActionListItem-descriptionWrap--inline::before,.ActionListItem:hover + .ActionListItem .ActionListItem-descriptionWrap--inline::before { visibility: hidden; } }/* Make sure that the first visible item isn't a divider */.ActionListItem[hidden] + .ActionList-sectionDivider { display: none; }/* collapse styles here *//* first child */.ActionListItem.ActionListItem--hasSubItem > .ActionListContent { z-index: 1; }@media (hover: hover) { :is(.ActionListItem.ActionListItem--hasSubItem > .ActionListContent):hover { background-color: var(--control-transparent-bgColor-hover); } }:is(.ActionListItem.ActionListItem--hasSubItem > .ActionListContent):active { background-color: var(--control-transparent-bgColor-active); }/* only hover li without list as children */@media (hover: hover) { :is(.ActionListItem:not(.ActionListItem--hasSubItem),.ActionListItem.ActionListItem--hasSubItem > .ActionListContent):hover { cursor: pointer; background-color: var(--control-transparent-bgColor-hover); } :is(.ActionListItem:not(.ActionListItem--hasSubItem),.ActionListItem.ActionListItem--hasSubItem > .ActionListContent):hover:not(.ActionListItem--navActive,:focus-visible) { /* Support for "Windows high contrast mode" */ outline: solid var(--borderWidth-thin) transparent; outline-offset: calc(-1 * var(--borderWidth-thin)); box-shadow: var(--boxShadow-thin) var(--control-transparent-borderColor-active); } }:is(.ActionListItem:not(.ActionListItem--hasSubItem),.ActionListItem.ActionListItem--hasSubItem > .ActionListContent):active { background: var(--control-transparent-bgColor-active); }:is(.ActionListItem:not(.ActionListItem--hasSubItem),.ActionListItem.ActionListItem--hasSubItem > .ActionListContent):active:not(.ActionListItem--navActive) { /* Support for "Windows high contrast mode" https:sarahmhigley.com/writing/whcm-quick-tips/ */ outline: solid var(--borderWidth-thin) transparent; outline-offset: calc(-1 * var(--borderWidth-thin)); box-shadow: var(--boxShadow-thin) var(--control-transparent-borderColor-active); }:is(.ActionListItem:not(.ActionListItem--hasSubItem),.ActionListItem.ActionListItem--hasSubItem > .ActionListContent):active .ActionListItem-label::before,:is(.ActionListItem:not(.ActionListItem--hasSubItem),.ActionListItem.ActionListItem--hasSubItem > .ActionListContent):active + .ActionListItem .ActionListItem-label::before { visibility: hidden; }/* Autocomplete [aria-selected] items */.ActionListItem[aria-selected='true'] { font-weight: var(--base-text-weight-normal); background: var(--control-transparent-bgColor-selected); }@media (hover: hover) { .ActionListItem[aria-selected='true']:hover { background-color: var(--control-transparent-bgColor-hover); } }.ActionListItem[aria-selected='true']::before,.ActionListItem[aria-selected='true'] + .ActionListItem::before { visibility: hidden; }/* blue accent line */.ActionListItem[aria-selected='true']::after { position: absolute; top: calc(50% - 12px); left: calc(-1 * var(--base-size-4)); width: var(--base-size-4); height: var(--base-size-24); content: ''; background: var(--borderColor-accent-emphasis); border-radius: var(--borderRadius-medium); }/* active state [aria-current] */.ActionListItem.ActionListItem--navActive { /* provides a visual indication of the current item for Windows high-contrast mode */ outline: 2px solid transparent; }.ActionListItem.ActionListItem--navActive:not(.ActionListItem--subItem) .ActionListItem-label { font-weight: var(--base-text-weight-semibold); }.ActionListItem.ActionListItem--navActive:not(.ActionListItem--danger) { background: var(--control-transparent-bgColor-selected); }@media (hover: hover) { .ActionListItem.ActionListItem--navActive:not(.ActionListItem--danger):hover { background-color: var(--control-transparent-bgColor-hover); } }.ActionListItem.ActionListItem--navActive:not(.ActionListItem--danger)::before,.ActionListItem.ActionListItem--navActive:not(.ActionListItem--danger) + .ActionListItem::before { visibility: hidden; }/* blue accent line */.ActionListItem.ActionListItem--navActive:not(.ActionListItem--danger)::after { position: absolute; top: calc(50% - 12px); left: calc(-1 * var(--base-size-8)); width: var(--base-size-4); height: var(--base-size-24); content: ''; background: var(--borderColor-accent-emphasis); border-radius: var(--borderRadius-medium); }/* disabled */:is(:is(.ActionListItem.ActionListItem--disabled,.ActionListItem[aria-disabled='true']) .ActionListContent) .ActionListItem-label,:is(:is(.ActionListItem.ActionListItem--disabled,.ActionListItem[aria-disabled='true']) .ActionListContent) .ActionListItem-description { color: var(--control-fgColor-disabled); }:is(:is(.ActionListItem.ActionListItem--disabled,.ActionListItem[aria-disabled='true']) .ActionListContent) .ActionListItem-visual { fill: var(--control-fgColor-disabled); }@media (hover: hover) { :is(.ActionListItem.ActionListItem--disabled,.ActionListItem[aria-disabled='true']):hover { cursor: not-allowed; background-color: transparent; } }/* variants *//* danger */.ActionListItem.ActionListItem--danger .ActionListItem-label { color: var(--control-danger-fgColor-rest); }.ActionListItem.ActionListItem--danger .ActionListItem-visual { color: var(--control-danger-fgColor-rest); }@media (hover: hover) { .ActionListItem.ActionListItem--danger:hover { background: var(--control-danger-bgColor-hover); } .ActionListItem.ActionListItem--danger:hover .ActionListItem-label,.ActionListItem.ActionListItem--danger:hover .ActionListItem-visual,.ActionListItem.ActionListItem--danger:hover .ActionListItem-description { color: var(--control-danger-fgColor-hover); } }:is(.ActionListItem.ActionListItem--danger .ActionListContent):active { background: var(--control-danger-bgColor-active); }:is(.ActionListItem.ActionListItem--danger .ActionListContent):active .ActionListItem-label,:is(.ActionListItem.ActionListItem--danger .ActionListContent):active .ActionListItem-visual,:is(.ActionListItem.ActionListItem--danger .ActionListContent):active .ActionListItem-description { color: var(--control-danger-fgColor-hover); }/* button or a href */.ActionListContent { position: relative; display: grid; width: 100%; /* stylelint-disable-next-line primer/spacing */ padding-block: var(--actionListContent-paddingBlock); /* stylelint-disable-next-line primer/spacing */ padding-inline: var(--control-medium-paddingInline-condensed); color: var(--control-fgColor-rest); text-align: left; -webkit-user-select: none; user-select: none; background-color: transparent; border: none; border-radius: var(--borderRadius-medium); transition: background 33.333ms linear; touch-action: manipulation; -webkit-tap-highlight-color: transparent; grid-template-rows: min-content; grid-template-areas: 'leadingAction leadingVisual label trailingVisual trailingAction'; grid-template-columns: min-content min-content minmax(0, auto) min-content min-content; align-items: start; /* column-gap persists with empty grid-areas, margin applies only when children exist */}.ActionListContent > :not(:last-child) { /* stylelint-disable-next-line primer/spacing */ margin-right: var(--control-medium-gap); }/* state */.ActionListContent:hover { -webkit-text-decoration: none; text-decoration: none; }/* disabled */.ActionListContent[aria-disabled='true'] .ActionListItem-label,.ActionListContent[aria-disabled='true'] .ActionListItem-description { color: var(--control-fgColor-disabled); }.ActionListContent[aria-disabled='true'] .ActionListItem-visual { fill: var(--control-fgColor-disabled); }@media (hover: hover) { .ActionListContent[aria-disabled='true']:hover { cursor: not-allowed; background-color: transparent; } }/* collapsible item [aria-expanded] *//* nesting (single level) target items inside expanded subgroups */@media screen and (prefers-reduced-motion: no-preference) {.ActionListContent[aria-expanded] + .ActionList--subGroup { transition: opacity 160ms cubic-bezier(0.25, 1, 0.5, 1), transform 160ms cubic-bezier(0.25, 1, 0.5, 1); } }:is(.ActionListContent[aria-expanded] + .ActionList--subGroup) .ActionListContent { padding-left: var(--base-size-24); }/* has 16px leading visual */:is(.ActionListContent.ActionListContent--visual16[aria-expanded] + .ActionList--subGroup) .ActionListContent { padding-left: var(--base-size-32); }/* has 20px leading visual */:is(.ActionListContent.ActionListContent--visual20[aria-expanded] + .ActionList--subGroup) .ActionListContent { padding-left: var(--base-size-36); }/* has 24px leading visual */:is(.ActionListContent.ActionListContent--visual24[aria-expanded] + .ActionList--subGroup) .ActionListContent { padding-left: var(--base-size-40); }.ActionListContent[aria-expanded='true'] .ActionListItem-collapseIcon { transition: transform 120ms linear; transform: scaleY(-1); }.ActionListContent[aria-expanded='true'] + .ActionList--subGroup { height: auto; overflow: visible; visibility: visible; opacity: 1; transform: translateY(0); }.ActionListContent.ActionListContent--hasActiveSubItem[aria-expanded='true'] > .ActionListItem-label { font-weight: var(--base-text-weight-semibold); }.ActionListContent[aria-expanded='false'] .ActionListItem-collapseIcon { transition: transform 120ms linear; transform: scaleY(1); }.ActionListContent[aria-expanded='false'] + .ActionList--subGroup { height: 0; overflow: hidden; visibility: hidden; opacity: 0; transform: translateY(calc(-1 * var(--base-size-16))); }/* show active indicator on parent collapse if child is active */.ActionListContent.ActionListContent--hasActiveSubItem[aria-expanded='false'] { background: var(--control-transparent-bgColor-selected); }.ActionListContent.ActionListContent--hasActiveSubItem[aria-expanded='false'] .ActionListItem-label { font-weight: var(--base-text-weight-semibold); }.ActionListContent.ActionListContent--hasActiveSubItem[aria-expanded='false']::before,.ActionListContent.ActionListContent--hasActiveSubItem[aria-expanded='false'] + .ActionListItem::before { visibility: hidden; }/* blue accent line */.ActionListContent.ActionListContent--hasActiveSubItem[aria-expanded='false']::after { position: absolute; top: calc(50% - 12px); left: calc(-1 * var(--base-size-8)); width: var(--base-size-4); height: var(--base-size-24); content: ''; background: var(--borderColor-accent-emphasis); border-radius: var(--borderRadius-medium); }/* * checkbox item [aria-checked] * listbox [aria-selected] *//* multiselect checkmark */:is(.ActionListContent[aria-checked='true'],.ActionListContent[aria-selected='true']) .ActionListItem-multiSelectCheckmark { visibility: visible; opacity: 1; transition: visibility 0 linear 0, opacity 50ms; }/* singleselect checkmark */:is(.ActionListContent[aria-checked='true'],.ActionListContent[aria-selected='true']) .ActionListItem-singleSelectCheckmark { visibility: visible; }/* checkbox */:is(:is(.ActionListContent[aria-checked='true'],.ActionListContent[aria-selected='true']) .ActionListItem-multiSelectIcon) .ActionListItem-multiSelectIconRect { fill: var(--control-checked-bgColor-rest); stroke: var(--control-checked-bgColor-rest); stroke-width: var(--borderWidth-thin, 1px); }:is(:is(.ActionListContent[aria-checked='true'],.ActionListContent[aria-selected='true']) .ActionListItem-multiSelectIcon) .ActionListItem-multiSelectCheckmark { fill: var(--fgColor-onEmphasis); }/* multiselect checkmark */:is(.ActionListContent[aria-checked='false'],.ActionListContent[aria-selected='false']) .ActionListItem-multiSelectCheckmark { visibility: hidden; opacity: 0; transition: visibility 0 linear 50ms, opacity 50ms; }/* singleselect checkmark */:is(.ActionListContent[aria-checked='false'],.ActionListContent[aria-selected='false']) .ActionListItem-singleSelectCheckmark { visibility: hidden; transition: visibility 0s linear 200ms; }/* checkbox */:is(:is(.ActionListContent[aria-checked='false'],.ActionListContent[aria-selected='false']) .ActionListItem-multiSelectIcon) .ActionListItem-multiSelectIconRect { fill: var(--bgColor-default); stroke: var(--control-borderColor-rest); stroke-width: var(--borderWidth-thin, 1px); }:is(.ActionListContent[aria-checked='false'],.ActionListContent[aria-selected='false']) .ActionListItem-multiSelectIconRect { fill: var(--bgColor-default); border: var(--borderWidth-thin) solid var(--control-borderColor-rest); }/* sizes */.ActionListContent.ActionListContent--sizeLarge { --actionListContent-paddingBlock: var(--control-large-paddingBlock); }.ActionListContent.ActionListContent--sizeXLarge { --actionListContent-paddingBlock: var(--control-xlarge-paddingBlock); }/* On pointer:coarse (mobile), all list items are large */@media (pointer: coarse) {.ActionListContent { --actionListContent-paddingBlock: var(--control-large-paddingBlock);} }/* if leading/trailing visual, align with first line of content */.ActionListContent.ActionListContent--blockDescription .ActionListItem-visual { place-self: start; }/* place children on grid */.ActionListItem-action--leading { grid-area: leadingAction;}.ActionListItem-visual--leading { grid-area: leadingVisual;}.ActionListItem-visual--trailing { grid-area: trailingVisual;}.ActionListItem-action--trailing { grid-area: trailingAction;}/* have leading visual svg filled with chosen color *//* stylelint-disable-next-line selector-max-type */.ActionListItem-visual--leading svg { fill: currentcolor;}/* wrapper span default block */.ActionListItem-descriptionWrap { grid-area: label; display: flex; flex-direction: column; gap: var(--base-size-4);}.ActionListItem-descriptionWrap .ActionListItem-label { font-weight: var(--base-text-weight-semibold); }/* inline */.ActionListItem-descriptionWrap--inline { position: relative; flex-direction: row; align-items: baseline; gap: var(--base-size-8);}/* description */.ActionListItem-description { font-size: var(--text-body-size-small); font-weight: var(--base-text-weight-normal); line-height: var(--text-body-lineHeight-small); color: var(--fgColor-muted);}/* helper for grid alignment with multi-line content span wrapping svg or text */.ActionListItem-visual,.ActionListItem-action { display: flex; min-height: var(--control-medium-lineBoxHeight); color: var(--fgColor-muted); pointer-events: none; fill: var(--fgColor-muted); align-items: center;}/* text */.ActionListItem-label { position: relative; font-size: var(--text-body-size-medium); font-weight: var(--base-text-weight-normal); line-height: var(--text-body-lineHeight-medium); color: var(--fgColor-default); grid-area: label;}.ActionListItem-label--truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap;}/* nested lists (only supports 1 level currently) target ActionListItem--subItem for padding-left to maintain :active :after state */.ActionListItem--subItem > .ActionListContent > .ActionListItem-label { font-size: var(--text-body-size-small); line-height: var(--text-body-lineHeight-small);}/* trailing action icon button */.ActionListItem--withActions { display: flex; flex-wrap: nowrap; align-items: center;}.ActionListItem-trailingAction { border-top-left-radius: 0; border-bottom-left-radius: 0;}/* show trailing action button on hover */.ActionListItem--trailingActionHover .ActionListItem-trailingAction { visibility: hidden; }:is(.ActionListItem--trailingActionHover:hover,.ActionListItem--trailingActionHover:focus-within) .ActionListItem-trailingAction { visibility: visible; }/* ActionList::Divider *//* with children */.ActionList-sectionDivider:not(:empty) { display: flex; font-size: var(--text-body-size-small); font-weight: var(--base-text-weight-semibold); line-height: var(--text-body-lineHeight-small); color: var(--fgColor-muted); flex-direction: column; /* stylelint-disable-next-line primer/spacing */ padding-inline: var(--actionListContent-paddingBlock); padding-block: var(--base-size-8); }/* no children */.ActionList-sectionDivider:empty { display: block; height: var(--borderWidth-thin); padding: 0; /* stylelint-disable-next-line primer/spacing */ margin-block-start: calc(var(--base-size-8) - var(--borderWidth-thin)); margin-block-end: var(--base-size-8); margin-inline: calc(-1 * var(--base-size-8)); list-style: none; background: var(--borderColor-muted, var(--color-action-list-item-inline-divider)); border: 0; }.ActionList-sectionDivider .ActionList-sectionDivider-title { font-size: var(--text-body-size-small); font-weight: var(--base-text-weight-semibold); color: var(--fgColor-muted); align-self: flex-start; }.ActionList-sectionDivider--filled { /* stylelint-disable-next-line primer/spacing */ margin-block-start: calc(var(--base-size-8) - var(--borderWidth-thin)); margin-block-end: var(--base-size-8); margin-inline: calc(-1 * var(--base-size-8)); background: var(--bgColor-muted); border-top: solid var(--borderWidth-thin) var(--borderColor-muted, var(--color-action-list-item-inline-divider)); border-bottom: solid var(--borderWidth-thin) var(--borderColor-muted, var(--color-action-list-item-inline-divider)); /* if no children, treat as divider */}.ActionList-sectionDivider--filled:empty { height: var(--base-size-8); box-sizing: border-box; }.ActionList-sectionDivider--filled:first-child { margin-block-start: 0; }
app/components/primer/alpha/action_list.ts
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import {controller} from '@github/catalyst'// eslint-disable-next-line custom-elements/no-exports-with-elementexport class ActionListTruncationObserver { resizeObserver = new ResizeObserver(entries => { for (const entry of entries) { const action = entry.target if (action instanceof HTMLElement) { this.update(action) } } }) constructor(el: HTMLElement) { this.resizeObserver.observe(el) } unobserve(el: HTMLElement) { this.resizeObserver.unobserve(el) } update(el: HTMLElement) { const items = el.querySelectorAll('li') for (const item of items) { const label = item.querySelector('.ActionListItem-label') as HTMLElement if (!label) continue const tooltip = item.querySelector('.ActionListItem-truncationTooltip') as HTMLElement if (!tooltip) continue const isTruncated = label.scrollWidth > label.clientWidth if (isTruncated) { tooltip.style.display = '' } else { tooltip.style.display = 'none' } } }}@controller// eslint-disable-next-line custom-elements/expose-class-on-globalexport class ActionListElement extends HTMLElement { #truncationObserver: ActionListTruncationObserver connectedCallback() { this.#truncationObserver = new ActionListTruncationObserver(this) } disconnectedCallback() { this.#truncationObserver.unobserve(this) }}declare global { interface Window { ActionListElement: typeof ActionListElement }}