Import escape function locally from html-escaper

lib/generate-rss.js

@@ -1,4 +1,4 @@
-import { escape } from 'html-escaper'
+import { escape } from '@/lib/utils/htmlEscaper'
 
 import siteMetadata from '@/data/siteMetadata'
 

lib/utils/htmlEscaper.js

@@ -0,0 +1,23 @@
+const { replace } = ''
+
+// escape
+const es = /&(?:amp|#38|lt|#60|gt|#62|apos|#39|quot|#34);/g
+const ca = /[&<>'"]/g
+
+const esca = {
+  '&': '&amp;',
+  '<': '&lt;',
+  '>': '&gt;',
+  "'": '&#39;',
+  '"': '&quot;',
+}
+const pe = (m) => esca[m]
+
+/**
+ * Safely escape HTML entities such as `&`, `<`, `>`, `"`, and `'`.
+ * @param {string} es the input to safely escape
+ * @returns {string} the escaped input, and it **throws** an error if
+ *  the input type is unexpected, except for boolean and numbers,
+ *  converted as string.
+ */
+export const escape = (es) => replace.call(es, ca, pe)

package-lock.json

@@ -12,7 +12,6 @@
         "@tailwindcss/typography": "^0.4.0",
         "autoprefixer": "^10.2.5",
         "gray-matter": "^4.0.2",
-        "html-escaper": "^3.0.3",
         "image-size": "1.0.0",
         "next": "10.2.3",
         "next-mdx-remote": "^3.0.1",
@@ -5274,11 +5273,6 @@
         "minimalistic-crypto-utils": "^1.0.1"
       }
     },
-    "node_modules/html-escaper": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-3.0.3.tgz",
-      "integrity": "sha512-RuMffC89BOWQoY0WKGpIhn5gX3iI54O6nRA0yC124NYVtzjmFWBIiFd8M0x+ZdX0P9R4lADg1mgP8C7PxGOWuQ=="
-    },
     "node_modules/html-tags": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/html-tags/-/html-tags-3.1.0.tgz",
@@ -14648,11 +14642,6 @@
         "minimalistic-crypto-utils": "^1.0.1"
       }
     },
-    "html-escaper": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-3.0.3.tgz",
-      "integrity": "sha512-RuMffC89BOWQoY0WKGpIhn5gX3iI54O6nRA0yC124NYVtzjmFWBIiFd8M0x+ZdX0P9R4lADg1mgP8C7PxGOWuQ=="
-    },
     "html-tags": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/html-tags/-/html-tags-3.1.0.tgz",

package.json

@@ -16,7 +16,6 @@
     "@tailwindcss/typography": "^0.4.0",
     "autoprefixer": "^10.2.5",
     "gray-matter": "^4.0.2",
-    "html-escaper": "^3.0.3",
     "image-size": "1.0.0",
     "next": "10.2.3",
     "next-mdx-remote": "^3.0.1",