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add Ditaa support #2235

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Aug 9, 2018
Merged

add Ditaa support #2235

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16 changes: 16 additions & 0 deletions browser/lib/markdown.js
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Original file line number Diff line number Diff line change
Expand Up @@ -163,6 +163,22 @@ class Markdown {
}
})

// Ditaa support
this.md.use(require('markdown-it-plantuml'), {
openMarker: '@startditaa',
closeMarker: '@endditaa',
generateSource: function (umlCode) {
const stripTrailingSlash = (url) => url.endsWith('/') ? url.slice(0, -1) : url
// Currently PlantUML server doesn't support Ditaa in SVG, so we set the format as PNG at the moment.
const serverAddress = stripTrailingSlash(config.preview.plantUMLServerAddress) + '/png'
const s = unescape(encodeURIComponent(umlCode))
const zippedCode = deflate.encode64(
deflate.zip_deflate(`@startditaa\n${s}\n@endditaa`, 9)
)
return `${serverAddress}/${zippedCode}`
}
})

// Override task item
this.md.block.ruler.at('paragraph', function (state, startLine/*, endLine */) {
let content, terminate, i, l, token
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