はじまりの大地

packages/core-utils/src/renderer/html.ts

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+export function getDefaultSanitizeOptions () {
+  return {
+    allowedTags: [ 'a', 'p', 'span', 'br', 'strong', 'em', 'ul', 'ol', 'li' ],
+    allowedSchemes: [ 'http', 'https' ],
+    allowedAttributes: {
+      'a': [ 'href', 'class', 'target', 'rel' ],
+      '*': [ 'data-*' ]
+    },
+    transformTags: {
+      a: (tagName: string, attribs: any) => {
+        let rel = 'noopener noreferrer'
+        if (attribs.rel === 'me') rel += ' me'
+
+        return {
+          tagName,
+          attribs: Object.assign(attribs, {
+            target: '_blank',
+            rel
+          })
+        }
+      }
+    }
+  }
+}
+
+export function getTextOnlySanitizeOptions () {
+  return {
+    allowedTags: [] as string[]
+  }
+}
+
+export function getCustomMarkupSanitizeOptions (additionalAllowedTags: string[] = []) {
+  const base = getDefaultSanitizeOptions()
+
+  return {
+    allowedTags: [
+      ...base.allowedTags,
+      ...additionalAllowedTags,
+      'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'img'
+    ],
+    allowedSchemes: [
+      ...base.allowedSchemes,
+
+      'mailto'
+    ],
+    allowedAttributes: {
+      ...base.allowedAttributes,
+
+      'img': [ 'src', 'alt' ],
+      '*': [ 'data-*', 'style' ]
+    }
+  }
+}
+
+// Thanks: https://stackoverflow.com/a/12034334
+export function escapeHTML (stringParam: string) {
+  if (!stringParam) return ''
+
+  const entityMap: { [id: string ]: string } = {
+    '&': '&',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    '\'': '&#39;',
+    '/': '&#x2F;',
+    '`': '&#x60;',
+    '=': '&#x3D;'
+  }
+
+  return String(stringParam).replace(/[&<>"'`=/]/g, s => entityMap[s])
+}
+
+export function escapeAttribute (value: string) {
+  if (!value) return ''
+
+  return String(value).replace(/"/g, '&quot;')
+}

packages/core-utils/src/renderer/index.ts

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+export * from './markdown.js'
+export * from './html.js'

packages/core-utils/src/renderer/markdown.ts

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+export const TEXT_RULES = [
+  'linkify',
+  'autolink',
+  'emphasis',
+  'link',
+  'newline',
+  'entity',
+  'list'
+]
+
+export const TEXT_WITH_HTML_RULES = TEXT_RULES.concat([
+  'html_inline',
+  'html_block'
+])
+
+export const ENHANCED_RULES = TEXT_RULES.concat([ 'image' ])
+export const ENHANCED_WITH_HTML_RULES = TEXT_WITH_HTML_RULES.concat([ 'image' ])
+
+export const COMPLETE_RULES = ENHANCED_WITH_HTML_RULES.concat([
+  'block',
+  'inline',
+  'heading',
+  'paragraph'
+])