fix: inlined normalize due to pnpm/yarn not installing CSS assets

Author: titanism

index.js

@@ -27,13 +27,6 @@ const transport = nodemailer.createTransport({
 });
 const templateFilePath = path.join(__dirname, 'template.pug');
 const renderFilePromise = util.promisify(pug.renderFile);
-const normalizeFilePath = path.join(
-  __dirname,
-  'node_modules',
-  'normalize.css',
-  'normalize.css'
-);
-const normalize = fs.readFileSync(normalizeFilePath);
 
 const previewEmail = async (message, options) => {
   options = {
@@ -58,8 +51,7 @@ const previewEmail = async (message, options) => {
     options.template,
     Object.assign(parsed, {
       cache: true,
-      pretty: true,
-      normalize
+      pretty: true
     })
   );
 

package.json

@@ -17,7 +17,6 @@
     "get-port": "5.1.1",
     "mailparser": "^3.5.0",
     "nodemailer": "^6.7.7",
-    "normalize.css": "^8.0.1",
     "open": "7",
     "p-event": "4.2.0",
     "p-wait-for": "3.2.0",

template.pug

@@ -6,7 +6,356 @@ html
     if subject
       title= subject
     meta(name="viewport", content="width=device-width, initial-scale=1")
-    style(type='text/css')= normalize
+    style(type='text/css').
+      /*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */
+
+      /* Document
+         ========================================================================== */
+
+      /**
+       * 1. Correct the line height in all browsers.
+       * 2. Prevent adjustments of font size after orientation changes in iOS.
+       */
+
+      html {
+        line-height: 1.15; /* 1 */
+        -webkit-text-size-adjust: 100%; /* 2 */
+      }
+
+      /* Sections
+         ========================================================================== */
+
+      /**
+       * Remove the margin in all browsers.
+       */
+
+      body {
+        margin: 0;
+      }
+
+      /**
+       * Render the `main` element consistently in IE.
+       */
+
+      main {
+        display: block;
+      }
+
+      /**
+       * Correct the font size and margin on `h1` elements within `section` and
+       * `article` contexts in Chrome, Firefox, and Safari.
+       */
+
+      h1 {
+        font-size: 2em;
+        margin: 0.67em 0;
+      }
+
+      /* Grouping content
+         ========================================================================== */
+
+      /**
+       * 1. Add the correct box sizing in Firefox.
+       * 2. Show the overflow in Edge and IE.
+       */
+
+      hr {
+        box-sizing: content-box; /* 1 */
+        height: 0; /* 1 */
+        overflow: visible; /* 2 */
+      }
+
+      /**
+       * 1. Correct the inheritance and scaling of font size in all browsers.
+       * 2. Correct the odd `em` font sizing in all browsers.
+       */
+
+      pre {
+        font-family: monospace, monospace; /* 1 */
+        font-size: 1em; /* 2 */
+      }
+
+      /* Text-level semantics
+         ========================================================================== */
+
+      /**
+       * Remove the gray background on active links in IE 10.
+       */
+
+      a {
+        background-color: transparent;
+      }
+
+      /**
+       * 1. Remove the bottom border in Chrome 57-
+       * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
+       */
+
+      abbr[title] {
+        border-bottom: none; /* 1 */
+        text-decoration: underline; /* 2 */
+        text-decoration: underline dotted; /* 2 */
+      }
+
+      /**
+       * Add the correct font weight in Chrome, Edge, and Safari.
+       */
+
+      b,
+      strong {
+        font-weight: bolder;
+      }
+
+      /**
+       * 1. Correct the inheritance and scaling of font size in all browsers.
+       * 2. Correct the odd `em` font sizing in all browsers.
+       */
+
+      code,
+      kbd,
+      samp {
+        font-family: monospace, monospace; /* 1 */
+        font-size: 1em; /* 2 */
+      }
+
+      /**
+       * Add the correct font size in all browsers.
+       */
+
+      small {
+        font-size: 80%;
+      }
+
+      /**
+       * Prevent `sub` and `sup` elements from affecting the line height in
+       * all browsers.
+       */
+
+      sub,
+      sup {
+        font-size: 75%;
+        line-height: 0;
+        position: relative;
+        vertical-align: baseline;
+      }
+
+      sub {
+        bottom: -0.25em;
+      }
+
+      sup {
+        top: -0.5em;
+      }
+
+      /* Embedded content
+         ========================================================================== */
+
+      /**
+       * Remove the border on images inside links in IE 10.
+       */
+
+      img {
+        border-style: none;
+      }
+
+      /* Forms
+         ========================================================================== */
+
+      /**
+       * 1. Change the font styles in all browsers.
+       * 2. Remove the margin in Firefox and Safari.
+       */
+
+      button,
+      input,
+      optgroup,
+      select,
+      textarea {
+        font-family: inherit; /* 1 */
+        font-size: 100%; /* 1 */
+        line-height: 1.15; /* 1 */
+        margin: 0; /* 2 */
+      }
+
+      /**
+       * Show the overflow in IE.
+       * 1. Show the overflow in Edge.
+       */
+
+      button,
+      input { /* 1 */
+        overflow: visible;
+      }
+
+      /**
+       * Remove the inheritance of text transform in Edge, Firefox, and IE.
+       * 1. Remove the inheritance of text transform in Firefox.
+       */
+
+      button,
+      select { /* 1 */
+        text-transform: none;
+      }
+
+      /**
+       * Correct the inability to style clickable types in iOS and Safari.
+       */
+
+      button,
+      [type="button"],
+      [type="reset"],
+      [type="submit"] {
+        -webkit-appearance: button;
+      }
+
+      /**
+       * Remove the inner border and padding in Firefox.
+       */
+
+      button::-moz-focus-inner,
+      [type="button"]::-moz-focus-inner,
+      [type="reset"]::-moz-focus-inner,
+      [type="submit"]::-moz-focus-inner {
+        border-style: none;
+        padding: 0;
+      }
+
+      /**
+       * Restore the focus styles unset by the previous rule.
+       */
+
+      button:-moz-focusring,
+      [type="button"]:-moz-focusring,
+      [type="reset"]:-moz-focusring,
+      [type="submit"]:-moz-focusring {
+        outline: 1px dotted ButtonText;
+      }
+
+      /**
+       * Correct the padding in Firefox.
+       */
+
+      fieldset {
+        padding: 0.35em 0.75em 0.625em;
+      }
+
+      /**
+       * 1. Correct the text wrapping in Edge and IE.
+       * 2. Correct the color inheritance from `fieldset` elements in IE.
+       * 3. Remove the padding so developers are not caught out when they zero out
+       *    `fieldset` elements in all browsers.
+       */
+
+      legend {
+        box-sizing: border-box; /* 1 */
+        color: inherit; /* 2 */
+        display: table; /* 1 */
+        max-width: 100%; /* 1 */
+        padding: 0; /* 3 */
+        white-space: normal; /* 1 */
+      }
+
+      /**
+       * Add the correct vertical alignment in Chrome, Firefox, and Opera.
+       */
+
+      progress {
+        vertical-align: baseline;
+      }
+
+      /**
+       * Remove the default vertical scrollbar in IE 10+.
+       */
+
+      textarea {
+        overflow: auto;
+      }
+
+      /**
+       * 1. Add the correct box sizing in IE 10.
+       * 2. Remove the padding in IE 10.
+       */
+
+      [type="checkbox"],
+      [type="radio"] {
+        box-sizing: border-box; /* 1 */
+        padding: 0; /* 2 */
+      }
+
+      /**
+       * Correct the cursor style of increment and decrement buttons in Chrome.
+       */
+
+      [type="number"]::-webkit-inner-spin-button,
+      [type="number"]::-webkit-outer-spin-button {
+        height: auto;
+      }
+
+      /**
+       * 1. Correct the odd appearance in Chrome and Safari.
+       * 2. Correct the outline style in Safari.
+       */
+
+      [type="search"] {
+        -webkit-appearance: textfield; /* 1 */
+        outline-offset: -2px; /* 2 */
+      }
+
+      /**
+       * Remove the inner padding in Chrome and Safari on macOS.
+       */
+
+      [type="search"]::-webkit-search-decoration {
+        -webkit-appearance: none;
+      }
+
+      /**
+       * 1. Correct the inability to style clickable types in iOS and Safari.
+       * 2. Change font properties to `inherit` in Safari.
+       */
+
+      ::-webkit-file-upload-button {
+        -webkit-appearance: button; /* 1 */
+        font: inherit; /* 2 */
+      }
+
+      /* Interactive
+         ========================================================================== */
+
+      /*
+       * Add the correct display in Edge, IE 10+, and Firefox.
+       */
+
+      details {
+        display: block;
+      }
+
+      /*
+       * Add the correct display in all browsers.
+       */
+
+      summary {
+        display: list-item;
+      }
+
+      /* Misc
+         ========================================================================== */
+
+      /**
+       * Add the correct display in IE 10+.
+       */
+
+      template {
+        display: none;
+      }
+
+      /**
+       * Add the correct display in IE 10.
+       */
+
+      [hidden] {
+        display: none;
+      }
     style(type='text/css').
       body {
         font-family: arial, sans-serif;