@podlite/to-jsx/lib/HighlightedCode.js

Render Podlite markup as React JSX components

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.extractPlainAndDecorations = void 0;
const react_1 = __importStar(require("react"));
const schema_1 = require("@podlite/schema");
const shiki_1 = require("./shiki");
const fcodeToTag = {
    B: 'strong',
    I: 'em',
    C: 'code',
    U: 'u',
    K: 'kbd',
};
const extractPlainAndDecorations = (nodes) => {
    const decorations = [];
    let plain = '';
    const walk = (input) => {
        if (input == null)
            return;
        if (typeof input === 'string') {
            plain += input;
            return;
        }
        if (Array.isArray(input)) {
            for (const child of input)
                walk(child);
            return;
        }
        const node = input;
        if (node.type === 'text' && typeof node.value === 'string') {
            plain += node.value;
            return;
        }
        if (node.type === 'verbatim' && typeof node.value === 'string') {
            plain += node.value;
            return;
        }
        if (node.type === 'fcode' && typeof node.name === 'string') {
            const tagName = fcodeToTag[node.name] || 'span';
            const start = plain.length;
            walk(node.content);
            const end = plain.length;
            if (end > start) {
                decorations.push({
                    start,
                    end,
                    tagName,
                    properties: { class: `fc-${node.name}` },
                });
            }
            return;
        }
        if (node.content !== undefined) {
            walk(node.content);
        }
        else if (typeof node.text === 'string') {
            plain += node.text;
        }
    };
    walk(nodes);
    return { plain, decorations };
};
exports.extractPlainAndDecorations = extractPlainAndDecorations;
const HighlightedCode = react_1.default.memo(({ node, children, keyProp, ctx, id, wrap = 'pre-code' }) => {
    const conf = (0, schema_1.makeAttrs)(node, ctx);
    const caption = conf.exists('caption') ? conf.getFirstValue('caption') : null;
    const lang = conf.getFirstValue('lang');
    const [html, setHtml] = (0, react_1.useState)(null);
    (0, react_1.useEffect)(() => {
        if (!lang)
            return;
        let cancelled = false;
        const highlight = async () => {
            try {
                const isDark = typeof document !== 'undefined' && document.body && document.body.className.toLowerCase().includes('dark');
                const { plain, decorations } = (0, exports.extractPlainAndDecorations)(node.content);
                const result = await (0, shiki_1.codeToThemedHtml)({
                    code: plain,
                    language: lang,
                    theme: isDark ? 'dark' : 'light',
                    decorations,
                });
                if (!cancelled)
                    setHtml(result);
            }
            catch (e) {
                console.error('[podlite] shiki highlight error:', e);
            }
        };
        highlight();
        return () => {
            cancelled = true;
        };
    }, [lang, node.content]);
    const codeBody = html ? (react_1.default.createElement("code", { key: keyProp, className: "shiki", dangerouslySetInnerHTML: { __html: html } })) : (react_1.default.createElement("pre", { key: `${keyProp}-pre`, id: id },
        react_1.default.createElement("code", { key: keyProp }, children)));
    if (wrap === 'block') {
        return (react_1.default.createElement("div", { className: "code-block", key: `${keyProp}-code-div` },
            codeBody,
            caption ? (react_1.default.createElement("div", { key: `${keyProp}-caption`, className: "caption" }, caption)) : null));
    }
    return codeBody;
});
HighlightedCode.displayName = 'HighlightedCode';
exports.default = HighlightedCode;
//# sourceMappingURL=HighlightedCode.js.map