/**
 * @license MIT
 * Copyright (c) 2025 matraic
 * See LICENSE file in the project root for full license text.
 */
import{LitElement as t,html as e,unsafeCSS as i,css as o,nothing as s}from"lit";import{Selected as r,Disabled as a,AttachInternals as n,Role as l,DesignToken as c,getTextContent as h,guid as d,HtmlFor as p,scrollIntoViewIfNeeded as m,IntersectionController as u,ScrollController as f,MutationController as g,debounce as v,hasAssignedNodes as y}from"@m3e/core";import{SelectionManager as b}from"@m3e/core/a11y";function $(t,e,i,o){var s,r=arguments.length,a=r<3?e:null===o?o=Object.getOwnPropertyDescriptor(e,i):o;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)a=Reflect.decorate(t,e,i,o);else for(var n=t.length-1;n>=0;n--)(s=t[n])&&(a=(r<3?s(a):r>3?s(e,i,a):s(e,i))||a);return r>3&&a&&Object.defineProperty(e,i,a),a}function w(t,e,i,o){if("a"===i&&!o)throw new TypeError("Private accessor was defined without a getter");if("function"==typeof e?t!==e||!o:!e.has(t))throw new TypeError("Cannot read private member from an object whose class did not declare it");return"m"===i?o:"a"===i?o.call(t):o?o.value:e.get(t)}function _(t,e,i,o,s){if("m"===o)throw new TypeError("Private method is not writable");if("a"===o&&!s)throw new TypeError("Private accessor was defined without a setter");if("function"==typeof e?t!==e||!s:!e.has(t))throw new TypeError("Cannot write private member to an object whose class did not declare it");return"a"===o?s.call(t,i):s?s.value=i:e.set(t,i),i}"function"==typeof SuppressedError&&SuppressedError;
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
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/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
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/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
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/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
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/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */function Y(t){return F({...t,state:!0,attribute:!1})}
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
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position: relative; overflow-y: auto; scrollbar-width: ${c.scrollbar.thinWidth}; scrollbar-color: ${c.scrollbar.color}; width: var(--m3e-toc-width, 9.75rem); } ul { list-style: none; padding-inline-start: unset; margin-block-start: unset; margin-block-end: unset; } ul, li { display: flex; flex-direction: column; align-items: stretch; } m3e-toc-item { flex: none; } .active-indicator { position: absolute; pointer-events: none; box-sizing: border-box; left: 0; right: 0; border-radius: var(--m3e-toc-item-shape, ${c.shape.corner.largeIncreased}); border: 1px solid var(--m3e-toc-active-indicator-color, ${c.color.outline}); transition: ${i(`visibility var(--m3e-toc-active-indicator-animation-duration, ${c.motion.duration.long1})\n          ${c.motion.easing.standard},\n        height var(--m3e-toc-active-indicator-animation-duration, ${c.motion.duration.long1})\n          ${c.motion.easing.standard},\n        top var(--m3e-toc-active-indicator-animation-duration, ${c.motion.duration.long1})\n          ${c.motion.easing.standard}`)}; } .header { display: flex; flex-direction: column; align-items: stretch; padding-inline-start: var(--m3e-toc-item-padding, 1rem); padding-block-end: var(--m3e-toc-header-space, 0.5rem); row-gap: var(--m3e-toc-header-space, 0.5rem); } .overline { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } .title { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-clamp: 2; } :host(:not(.-with-overline)) .overline, :host(:not(.-with-title)) .title, :host(:not(.-with-overline):not(.-with-title)) .header { display: none; } ::slotted([slot="overline"]) { font-size: var(--m3e-toc-overline-font-size, ${c.typescale.standard.label.small.fontSize}); font-weight: var(--m3e-toc-overline-font-weight, ${c.typescale.standard.label.small.fontWeight}); line-height: var(--m3e-toc-overline-line-height, ${c.typescale.standard.label.small.lineHeight}); letter-spacing: var(--m3e-toc-overline-tracking, ${c.typescale.standard.label.small.tracking}); color: var(--m3e-toc-overline-color, ${c.color.onSurfaceVariant}); } ::slotted([slot="title"]) { font-size: var(--m3e-toc-title-font-size, ${c.typescale.standard.headline.small.fontSize}); font-weight: var(--m3e-toc-title-font-weight, ${c.typescale.standard.headline.small.fontWeight}); line-height: var(--m3e-toc-title-line-height, ${c.typescale.standard.headline.small.lineHeight}); letter-spacing: var(--m3e-toc-title-tracking, ${c.typescale.standard.headline.small.tracking}); color: var(--m3e-toc-title-color, ${c.color.onSurface}); } :host(.-no-animate) .active-indicator { transition: none; } @media (prefers-reduced-motion) { .active-indicator { transition: none; } }`,$([Y()],pt.prototype,"_toc",void 0),$([G(".active-indicator")],pt.prototype,"_activeIndicator",void 0),$([F({attribute:"max-depth",type:Number})],pt.prototype,"maxDepth",void 0),$([v(40)],pt.prototype,"_updateToc",null),pt=$([E("m3e-toc")],pt);export{pt as M3eTocElement,Q as M3eTocItemElement,dt as TocGenerator};
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