@redocly/theme/lib/core/utils/toc.js

Shared UI components lib

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getDisplayedHeadings = getDisplayedHeadings;
exports.getDisplayedHeadingsIds = getDisplayedHeadingsIds;
exports.getLeastDepth = getLeastDepth;
function getDisplayedHeadings(headings, tocDepth) {
    if (!headings) {
        return [];
    }
    return headings.filter((heading, idx) => {
        if (!heading) {
            return false;
        }
        if (idx === 0 && heading.depth === 1) {
            return false;
        }
        return !(heading.depth && heading.depth > tocDepth);
    });
}
function getDisplayedHeadingsIds(headings) {
    if (!headings) {
        return [];
    }
    return headings.map((header) => header === null || header === void 0 ? void 0 : header.id);
}
function getLeastDepth(headings) {
    if (!headings || headings.length === 0) {
        return 1;
    }
    let depth = null;
    for (const heading of headings) {
        if (!heading)
            continue;
        if (depth === null || depth > heading.depth) {
            depth = heading.depth;
        }
    }
    return depth !== null && depth !== void 0 ? depth : 1;
}
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