--- /dev/null
+_npmname=mermaid-filter
+_npmver=1.4.2
+pkgname=pandoc-mermaid
+pkgver=1.4.2
+pkgrel=1
+pkgdesc="Mermaid Filter for pandoc"
+arch=(any)
+url="https://github.com/raghur/mermaid-filter"
+license=()
+depends=('nodejs')
+makedepends=('jq' 'npm')
+optdepends=()
+source=(http://registry.npmjs.org/$_npmname/-/$_npmname-$_npmver.tgz)
+sha256sums=('4a00417b33494b1ffd6a417684b0e1769ba1d99351f95cd948bac84a54d8bca5')
+
+package() {
+ # Thanks jeremejevs and je-vv for the pointers on these!
+ npm install --global --user root --cache "${srcdir}/npm-cache" --prefix "$pkgdir/usr" "$srcdir/$_npmname-$pkgver.tgz"
+
+ # Fix permissions
+ find "$pkgdir"/usr -type d -exec chmod 755 {} +
+
+ # Remove references to pkgdir
+ find "$pkgdir" -type f -name package.json -print0 | xargs -0 sed --in-place "/_where/d"
+
+ # Remove references to srcdir
+ local tmppackage="$(mktemp)"
+ local pkgjson="$pkgdir/usr/lib/node_modules/$_npmname/package.json"
+ jq '.|=with_entries(select(.key|test("_.+")|not))' "$pkgjson" > "$tmppackage"
+ mv "$tmppackage" "$pkgjson"
+ chmod 644 "$pkgjson"
+}
+
+# vim:set ts=2 sw=2 et: