33 lines
1.0 KiB
JavaScript
33 lines
1.0 KiB
JavaScript
'use strict';
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const grayMatter = require('gray-matter');
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function _interopDefaultCompat (e) { return e && typeof e === 'object' && 'default' in e ? e.default : e; }
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const grayMatter__default = /*#__PURE__*/_interopDefaultCompat(grayMatter);
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const frontmatterPlugin = (md, { grayMatterOptions, renderExcerpt = true } = {}) => {
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const render = md.render.bind(md);
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md.render = (src, env = {}) => {
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const { data, content, excerpt = "" } = grayMatter__default(src, grayMatterOptions);
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env.content = content;
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env.frontmatter = {
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// allow providing default value
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...env.frontmatter,
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...data
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};
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env.excerpt = renderExcerpt && excerpt ? (
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// render the excerpt with original markdown-it render method.
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// here we spread `env` to avoid mutating the original object.
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// using deep clone might be a safer choice.
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render(excerpt, { ...env })
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) : (
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// use the raw excerpt directly
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excerpt
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);
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return render(content, env);
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};
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};
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exports.frontmatterPlugin = frontmatterPlugin;
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