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23 lines
611 B
JavaScript
23 lines
611 B
JavaScript
6 years ago
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const visit = require('unist-util-visit')
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module.exports = ({ markdownAST }, { width = '1024px', height = '473px' } = {}) => {
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visit(markdownAST, 'text', node => {
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const { value } = node
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const match = /https:\/\/carbon\.now\.sh\/{0,1}(.*)/.exec(value)
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if (match) {
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const url = match[1]
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node.type = 'html'
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node.value = `<iframe
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src="https://carbon.now.sh/embed${url}"
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width="${width}"
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height="${height}"
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frameborder="0"
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style="transform:scale(0.7); border: 0; overflow:hidden;"
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sandbox="allow-scripts allow-same-origin">
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</iframe>`
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}
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})
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return markdownAST
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}
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