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Boostnote/browser/components/render/MermaidRender.js
2018-07-03 15:10:08 +08:00

29 lines
645 B
JavaScript

import mermaidAPI from 'mermaid'
function getRandomInt (min, max) {
return Math.floor(Math.random() * (max - min)) + min
}
function getId () {
var pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
var id = 'm-'
for (var i = 0; i < 7; i++) {
id += pool[getRandomInt(0, 16)]
}
return id
}
function render (element, content) {
try {
mermaidAPI.render(getId(), content, (svgGraph) => {
element.innerHTML = svgGraph
})
} catch (e) {
console.error(e)
element.className = 'mermaid-error'
element.innerHTML = 'mermaid diagram parse error: ' + e.message
}
}
export default render