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Escape html #5

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Escape html #5

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597cc39
Update index.js
OpportunityLiu Aug 17, 2018
58bd5cf
Update index.js
OpportunityLiu Aug 18, 2018
d53af13
add htmlmin ignore
OpportunityLiu Dec 27, 2018
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57 changes: 40 additions & 17 deletions src/index.js
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Original file line number Diff line number Diff line change
@@ -1,32 +1,52 @@
import mermaid from 'mermaid'

const mermaidChart = (code) => {
try {
function escapeHtml(unsafe)
{
return unsafe
.replace(/&/g, "&")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#039;");
}

const mermaidChart = (code) =>
{
try
{
mermaid.parse(code)
return `<div class="mermaid">${code}</div>`
} catch ({ str, hash }) {
return `<pre>${str}</pre>`
return `<!-- htmlmin:ignore --><div class="mermaid">${escapeHtml(code)}</div><!-- htmlmin:ignore -->`
} catch ({ str, hash })
{
return `<pre class="mermaid-error">${escapeHtml(str)}</pre>`
}
}

const MermaidPlugin = (md) => {
const MermaidPlugin = (md) =>
{
md.mermaid = mermaid
mermaid.loadPreferences = (preferenceStore) => {
mermaid.loadPreferences = (preferenceStore) =>
{
let mermaidTheme = preferenceStore.get('mermaid-theme')
if (mermaidTheme === undefined) {
if (mermaidTheme === undefined)
{
mermaidTheme = 'default'
}
let ganttAxisFormat = preferenceStore.get('gantt-axis-format')
if (ganttAxisFormat === undefined) {
if (ganttAxisFormat === undefined)
{
ganttAxisFormat = '%Y-%m-%d'
}
mermaid.initialize({
theme: mermaidTheme,
gantt: { axisFormatter: [
[ganttAxisFormat, (d) => {
return d.getDay() === 1
}]
]}
gantt: {
axisFormatter: [
[ganttAxisFormat, (d) =>
{
return d.getDay() === 1
}]
]
}
})
return {
'mermaid-theme': mermaidTheme,
Expand All @@ -35,14 +55,17 @@ const MermaidPlugin = (md) => {
}

const temp = md.renderer.rules.fence.bind(md.renderer.rules)
md.renderer.rules.fence = (tokens, idx, options, env, slf) => {
md.renderer.rules.fence = (tokens, idx, options, env, slf) =>
{
const token = tokens[idx]
const code = token.content.trim()
if (token.info === 'mermaid') {
if (token.info === 'mermaid')
{
return mermaidChart(code)
}
const firstLine = code.split(/\n/)[0].trim()
if (firstLine === 'gantt' || firstLine === 'sequenceDiagram' || firstLine.match(/^graph (?:TB|BT|RL|LR|TD);?$/)) {
if (firstLine === 'gantt' || firstLine === 'sequenceDiagram' || firstLine.match(/^graph (?:TB|BT|RL|LR|TD);?$/))
{
return mermaidChart(code)
}
return temp(tokens, idx, options, env, slf)
Expand Down