57 lines
1.9 KiB
JavaScript
57 lines
1.9 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.headerAndFooter = exports.default = void 0;
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var _wrap_tokens = require("../helpers/wrap_tokens");
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var _plugin = _interopRequireDefault(require("../plugin"));
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function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
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/** @module */
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/**
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* Marpit header and footer plugin.
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*
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* At each slide, add header and footer that are provided by directives.
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*
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* @function headerAndFooter
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* @param {MarkdownIt} md markdown-it instance.
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*/
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function _headerAndFooter(md) {
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md.core.ruler.after('marpit_directives_apply', 'marpit_header_and_footer', state => {
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if (state.inlineMode) return;
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const parsedInlines = new Map();
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const getParsed = markdown => {
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let parsed = parsedInlines.get(markdown);
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if (!parsed) {
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parsed = md.parseInline(markdown, state.env);
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delete parsed.map;
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parsedInlines.set(markdown, parsed);
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}
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return parsed;
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};
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const createMarginalTokens = (tag, markdown) => (0, _wrap_tokens.wrapTokens)(state.Token, `marpit_${tag}`, {
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tag,
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close: {
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block: true
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}
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}, getParsed(markdown));
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let current;
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const newTokens = [];
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for (const token of state.tokens) {
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if (token.type === 'marpit_slide_open') {
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current = token;
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newTokens.push(token);
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if (current.meta && current.meta.marpitHeader) newTokens.push(...createMarginalTokens('header', current.meta.marpitHeader));
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} else if (token.type === 'marpit_slide_close') {
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if (current.meta && current.meta.marpitFooter) newTokens.push(...createMarginalTokens('footer', current.meta.marpitFooter));
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newTokens.push(token);
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} else {
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newTokens.push(token);
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}
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}
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state.tokens = newTokens;
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});
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}
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const headerAndFooter = exports.headerAndFooter = (0, _plugin.default)(_headerAndFooter);
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var _default = exports.default = headerAndFooter; |