@redocly/theme/lib/components/TableOfContent/TableOfContent.js

Shared UI components lib

"use strict";
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
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    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.TableOfContent = TableOfContent;
const React = __importStar(require("react"));
const styled_components_1 = __importDefault(require("styled-components"));
const hooks_1 = require("../../core/hooks");
const utils_1 = require("../../core/utils");
function TableOfContent(props) {
    const { headings, contentWrapper, className } = props;
    const { useTranslate, useOtelTelemetry } = (0, hooks_1.useThemeHooks)();
    const { translate } = useTranslate();
    const otelTelemetry = useOtelTelemetry();
    const sidebar = React.useRef(null);
    (0, hooks_1.useFullHeight)(sidebar);
    const { markdown: { toc = {} } = {} } = (0, hooks_1.useThemeConfig)();
    const displayedHeadings = (0, utils_1.getDisplayedHeadings)(headings, toc.depth || 3);
    const leastDepth = (0, utils_1.getLeastDepth)(displayedHeadings);
    const activeHeadingId = (0, hooks_1.useActiveHeading)(contentWrapper, (0, utils_1.getDisplayedHeadingsIds)(displayedHeadings));
    if (toc === null || toc === void 0 ? void 0 : toc.hide) {
        return null;
    }
    return (React.createElement(React.Fragment, null,
        React.createElement(TableOfContentMenu, { "data-component-name": "TableOfContent/TableOfContent", className: className },
            React.createElement(TableOfContentItems, { ref: sidebar },
                displayedHeadings.length ? (React.createElement(TableOfContentHeader, { "data-translation-key": "toc.header" }, translate('toc.header', toc.header || 'On this page'))) : null,
                displayedHeadings.map((heading, idx) => {
                    if (!heading) {
                        return null;
                    }
                    const href = '#' + heading.id;
                    return (React.createElement(TableOfContentMenuItem, { key: href + idx, href: href, depth: heading.depth - leastDepth + 1 || 0, className: activeHeadingId === heading.id ? 'active' : '', dangerouslySetInnerHTML: { __html: heading.value || '' }, "data-testid": `toc-${heading.value}`, onClick: () => otelTelemetry.send({ type: 'toc_item.clicked' }) }));
                })))));
}
const TableOfContentMenu = styled_components_1.default.aside `
  background-color: var(--toc-bg-color);
  flex-shrink: 0;
  display: none !important;

  @media screen and (min-width: ${utils_1.breakpoints.medium}) {
    width: var(--toc-width);
    display: block !important;
  }
`;
const TableOfContentHeader = styled_components_1.default.div `
  font-family: var(--toc-heading-font-family);
  font-size: var(--toc-heading-font-size);
  font-weight: var(--toc-heading-font-weight);
  padding: var(--toc-item-padding-vertical) var(--toc-item-padding-horizontal);
  color: var(--toc-heading-text-color);
  text-transform: var(--toc-heading-text-transform);
  line-height: var(--toc-heading-line-height);
`;
const TableOfContentItems = styled_components_1.default.div `
  position: sticky;
  top: calc(var(--navbar-height) + var(--toc-offset-top));
  max-height: calc(100vh - var(--navbar-height) - var(--toc-offset-top));
  overflow-y: auto;
  width: var(--toc-width);
  border-left: solid 1px var(--toc-border-color);
`;
const TableOfContentMenuItem = styled_components_1.default.a `
  display: block;
  color: var(--toc-item-text-color);
  font-weight: var(--toc-item-font-weight);
  background-color: var(--toc-item-bg-color);
  cursor: pointer;
  font-size: var(--toc-item-font-size);
  padding: var(--toc-item-padding-vertical) var(--toc-item-padding-horizontal);
  padding-left: calc(var(--toc-item-nested-offset) * ${({ depth }) => depth});
  transition:
    background-color 0.3s,
    color 0.3s;
  text-decoration: none;
  word-break: break-word;
  font-family: var(--heading-font-family, var(--toc-item-font-family));
  line-height: var(--toc-item-line-height);

  border-left: solid 2px transparent;

  :hover {
    color: var(--toc-item-text-color-active);
  }
  &.active {
    color: var(--toc-item-text-color-active);
    border-left: solid 2px var(--toc-item-border-color-active);
  }

  :empty {
    padding: 0;
  }
`;
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