21 lines
530 B
JavaScript
21 lines
530 B
JavaScript
const visit = require('unist-util-visit');
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const { selectAll } = require('hast-util-select');
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const { sectionFilter } = require('./utils');
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function createPlugin() {
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return function transformer(tree, file) {
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function visitor(node) {
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if (sectionFilter(node, 'solution')) {
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const solutions = selectAll('code', node).map(
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element => element.children[0].value
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);
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file.data.solutions = solutions;
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}
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}
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visit(tree, 'element', visitor);
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};
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}
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module.exports = createPlugin;
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