Land - Font optimizations - Adobe Fonts / Typekit support (vercel#24834)

This updates this initial PR here vercel#18146 to resolve merge conflicts and updates tests since we aren't able to update that PR itself.

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [x] Integration tests added
- [x] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.

Closes: vercel#18146

docs/basic-features/font-optimization.md

@@ -74,7 +74,7 @@ class MyDocument extends Document {
 export default MyDocument
 ```
 
-Automatic Webfont Optimization currently supports Google Fonts, with support for other font providers coming soon. We're also planning to add control over [loading strategies](https://github.com/vercel/next.js/issues/21555) and `font-display` values.
+Automatic Webfont Optimization currently supports Google Fonts and Typekit with support for other font providers coming soon. We're also planning to add control over [loading strategies](https://github.com/vercel/next.js/issues/21555) and `font-display` values.
 
 ## Disabling Optimization
 

packages/next/next-server/lib/constants.ts

@@ -37,5 +37,8 @@ export const TEMPORARY_REDIRECT_STATUS = 307
 export const PERMANENT_REDIRECT_STATUS = 308
 export const STATIC_PROPS_ID = '__N_SSG'
 export const SERVER_PROPS_ID = '__N_SSP'
-export const OPTIMIZED_FONT_PROVIDERS = ['https://fonts.googleapis.com/css']
+export const OPTIMIZED_FONT_PROVIDERS = [
+  'https://fonts.googleapis.com/css',
+  'https://use.typekit.net/',
+]
 export const STATIC_STATUS_PAGES = ['/500']

packages/next/next-server/lib/head.tsx

@@ -147,9 +147,10 @@ function reduceComponents(
           c.type === 'link' &&
           c.props['href'] &&
           // TODO(prateekbh@): Replace this with const from `constants` when the tree shaking works.
-          ['https://fonts.googleapis.com/css'].some((url) =>
-            c.props['href'].startsWith(url)
-          )
+          [
+            'https://fonts.googleapis.com/css',
+            'https://use.typekit.net/',
+          ].some((url) => c.props['href'].startsWith(url))
         ) {
           const newProps = { ...(c.props || {}) }
           newProps['data-href'] = newProps['href']

test/integration/font-optimization/fixtures/with-google/manifest-snapshot.json

@@ -0,0 +1,22 @@
+[
+  {
+    "url": "https://fonts.googleapis.com/css?family=Voces",
+    "content": "@font-face{font-family:'Voces';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/voces/v12/-F6_fjJyLyU8d7PGDmk.woff) format('woff')}@font-face{font-family:'Voces';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/voces/v12/-F6_fjJyLyU8d7PIDm_6pClI_ik.woff2) format('woff2');unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:'Voces';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/voces/v12/-F6_fjJyLyU8d7PGDm_6pClI.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}"
+  },
+  {
+    "url": "https://fonts.googleapis.com/css2?family=Modak",
+    "content": "@font-face{font-family:'Modak';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/modak/v8/EJRYQgs1XtIEsnME.woff) format('woff')}@font-face{font-family:'Modak';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/modak/v8/EJRYQgs1XtIEskMB-hR77LKVTy8.woff2) format('woff2');unicode-range:U+0900-097F,U+1CD0-1CF6,U+1CF8-1CF9,U+200C-200D,U+20A8,U+20B9,U+25CC,U+A830-A839,U+A8E0-A8FB}@font-face{font-family:'Modak';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/modak/v8/EJRYQgs1XtIEskMO-hR77LKVTy8.woff2) format('woff2');unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:'Modak';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/modak/v8/EJRYQgs1XtIEskMA-hR77LKV.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}"
+  },
+  {
+    "url": "https://fonts.googleapis.com/css2?family=Modak",
+    "content": "@font-face{font-family:'Modak';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/modak/v8/EJRYQgs1XtIEsnME.woff) format('woff')}@font-face{font-family:'Modak';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/modak/v8/EJRYQgs1XtIEskMB-hR77LKVTy8.woff2) format('woff2');unicode-range:U+0900-097F,U+1CD0-1CF6,U+1CF8-1CF9,U+200C-200D,U+20A8,U+20B9,U+25CC,U+A830-A839,U+A8E0-A8FB}@font-face{font-family:'Modak';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/modak/v8/EJRYQgs1XtIEskMO-hR77LKVTy8.woff2) format('woff2');unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:'Modak';font-style:normal;font-weight:400;src:url(https://fonts.gstatic.com/s/modak/v8/EJRYQgs1XtIEskMA-hR77LKV.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}"
+  },
+  {
+    "url": "https://fonts.googleapis.com/css2?family=Roboto:wght@700",
+    "content": "@font-face{font-family:'Roboto';font-style:normal;font-weight:700;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlvAA.woff) format('woff')}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfCRc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0460-052F,U+1C80-1C88,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfABc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfCBc4AMP6lbBP.woff2) format('woff2');unicode-range:U+1F00-1FFF}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfBxc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0370-03FF}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfCxc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+1EA0-1EF9,U+20AB}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfChc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfBBc4AMP6lQ.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}"
+  },
+  {
+    "url": "https://fonts.googleapis.com/css2?family=Roboto:wght@400;700;900&display=swap",
+    "content": "@font-face{font-family:'Roboto';font-style:normal;font-weight:400;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Me5g.woff) format('woff')}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlvAA.woff) format('woff')}@font-face{font-family:'Roboto';font-style:normal;font-weight:900;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmYUtvAA.woff) format('woff')}@font-face{font-family:'Roboto';font-style:normal;font-weight:400;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Mu72xKKTU1Kvnz.woff2) format('woff2');unicode-range:U+0460-052F,U+1C80-1C88,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:'Roboto';font-style:normal;font-weight:400;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Mu5mxKKTU1Kvnz.woff2) format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:'Roboto';font-style:normal;font-weight:400;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Mu7mxKKTU1Kvnz.woff2) format('woff2');unicode-range:U+1F00-1FFF}@font-face{font-family:'Roboto';font-style:normal;font-weight:400;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Mu4WxKKTU1Kvnz.woff2) format('woff2');unicode-range:U+0370-03FF}@font-face{font-family:'Roboto';font-style:normal;font-weight:400;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Mu7WxKKTU1Kvnz.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+1EA0-1EF9,U+20AB}@font-face{font-family:'Roboto';font-style:normal;font-weight:400;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Mu7GxKKTU1Kvnz.woff2) format('woff2');unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:'Roboto';font-style:normal;font-weight:400;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfCRc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0460-052F,U+1C80-1C88,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfABc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfCBc4AMP6lbBP.woff2) format('woff2');unicode-range:U+1F00-1FFF}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfBxc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0370-03FF}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfCxc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+1EA0-1EF9,U+20AB}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfChc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:'Roboto';font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfBBc4AMP6lQ.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:'Roboto';font-style:normal;font-weight:900;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmYUtfCRc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0460-052F,U+1C80-1C88,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:'Roboto';font-style:normal;font-weight:900;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmYUtfABc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:'Roboto';font-style:normal;font-weight:900;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmYUtfCBc4AMP6lbBP.woff2) format('woff2');unicode-range:U+1F00-1FFF}@font-face{font-family:'Roboto';font-style:normal;font-weight:900;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmYUtfBxc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0370-03FF}@font-face{font-family:'Roboto';font-style:normal;font-weight:900;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmYUtfCxc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+1EA0-1EF9,U+20AB}@font-face{font-family:'Roboto';font-style:normal;font-weight:900;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmYUtfChc4AMP6lbBP.woff2) format('woff2');unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:'Roboto';font-style:normal;font-weight:900;font-display:swap;src:url(https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmYUtfBBc4AMP6lQ.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}"
+  }
+]

test/integration/font-optimization/fixtures/with-google/next.config.js

@@ -0,0 +1 @@
+module.exports = {}

test/integration/font-optimization/fixtures/with-typekit/manifest-snapshot.json

@@ -0,0 +1,14 @@
+[
+  {
+    "url": "https://use.typekit.net/plm1izr.css",
+    "content": "@import url(\"https://p.typekit.net/p.css?s=1&k=plm1izr&ht=tk&f=32266&a=23152309&app=typekit&e=css\");@font-face{font-family:\"birra-2\";src:url(\"https://use.typekit.net/af/23e0ad/00000000000000003b9b410c/27/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3\") format(\"woff2\"),url(\"https://use.typekit.net/af/23e0ad/00000000000000003b9b410c/27/d?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3\") format(\"woff\"),url(\"https://use.typekit.net/af/23e0ad/00000000000000003b9b410c/27/a?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3\") format(\"opentype\");font-display:auto;font-style:normal;font-weight:700}.tk-birra-2{font-family:\"birra-2\",serif}@import url(\"https://p.typekit.net/p.css?s=1&k=plm1izr&ht=tk&f=32266&a=23152309&app=typekit&e=css\");@font-face{font-family:\"birra-2\";src:url(\"https://use.typekit.net/af/23e0ad/00000000000000003b9b410c/27/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3\") format(\"woff2\"),url(\"https://use.typekit.net/af/23e0ad/00000000000000003b9b410c/27/d?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3\") format(\"woff\"),url(\"https://use.typekit.net/af/23e0ad/00000000000000003b9b410c/27/a?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n7&v=3\") format(\"opentype\");font-display:auto;font-style:normal;font-weight:700}.tk-birra-2{font-family:\"birra-2\",serif}"
+  },
+  {
+    "url": "https://use.typekit.net/ucs7mcf.css",
+    "content": "@import url(\"https://p.typekit.net/p.css?s=1&k=ucs7mcf&ht=tk&f=43886&a=23152309&app=typekit&e=css\");@font-face{font-family:\"flegrei\";src:url(\"https://use.typekit.net/af/74a5d1/00000000000000003b9b3d6e/27/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"woff2\"),url(\"https://use.typekit.net/af/74a5d1/00000000000000003b9b3d6e/27/d?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"woff\"),url(\"https://use.typekit.net/af/74a5d1/00000000000000003b9b3d6e/27/a?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"opentype\");font-display:auto;font-style:normal;font-weight:400}.tk-flegrei{font-family:\"flegrei\",sans-serif}@import url(\"https://p.typekit.net/p.css?s=1&k=ucs7mcf&ht=tk&f=43886&a=23152309&app=typekit&e=css\");@font-face{font-family:\"flegrei\";src:url(\"https://use.typekit.net/af/74a5d1/00000000000000003b9b3d6e/27/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"woff2\"),url(\"https://use.typekit.net/af/74a5d1/00000000000000003b9b3d6e/27/d?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"woff\"),url(\"https://use.typekit.net/af/74a5d1/00000000000000003b9b3d6e/27/a?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"opentype\");font-display:auto;font-style:normal;font-weight:400}.tk-flegrei{font-family:\"flegrei\",sans-serif}"
+  },
+  {
+    "url": "https://use.typekit.net/erd0sed.css",
+    "content": "@import url(\"https://p.typekit.net/p.css?s=1&k=erd0sed&ht=tk&f=43885&a=23152309&app=typekit&e=css\");@font-face{font-family:\"pantelleria\";src:url(\"https://use.typekit.net/af/1f141c/00000000000000003b9b3d6f/27/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"woff2\"),url(\"https://use.typekit.net/af/1f141c/00000000000000003b9b3d6f/27/d?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"woff\"),url(\"https://use.typekit.net/af/1f141c/00000000000000003b9b3d6f/27/a?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"opentype\");font-display:auto;font-style:normal;font-weight:400}.tk-pantelleria{font-family:\"pantelleria\",sans-serif}@import url(\"https://p.typekit.net/p.css?s=1&k=erd0sed&ht=tk&f=43885&a=23152309&app=typekit&e=css\");@font-face{font-family:\"pantelleria\";src:url(\"https://use.typekit.net/af/1f141c/00000000000000003b9b3d6f/27/l?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"woff2\"),url(\"https://use.typekit.net/af/1f141c/00000000000000003b9b3d6f/27/d?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"woff\"),url(\"https://use.typekit.net/af/1f141c/00000000000000003b9b3d6f/27/a?primer=7cdcb44be4a7db8877ffa5c0007b8dd865b3bbc383831fe2ea177f62257a9191&fvd=n4&v=3\") format(\"opentype\");font-display:auto;font-style:normal;font-weight:400}.tk-pantelleria{font-family:\"pantelleria\",sans-serif}"
+  }
+]

test/integration/font-optimization/fixtures/with-typekit/next.config.js

@@ -0,0 +1 @@
+module.exports = {}

test/integration/font-optimization/fixtures/with-typekit/pages/_document.js

@@ -0,0 +1,27 @@
+import * as React from 'react'
+/// @ts-ignore
+import Document, { Main, NextScript, Head } from 'next/document'
+
+export default class MyDocument extends Document {
+  constructor(props) {
+    super(props)
+    const { __NEXT_DATA__, ids } = props
+    if (ids) {
+      __NEXT_DATA__.ids = ids
+    }
+  }
+
+  render() {
+    return (
+      <html>
+        <Head>
+          <link rel="stylesheet" href="https://use.typekit.net/plm1izr.css" />
+        </Head>
+        <body>
+          <Main />
+          <NextScript />
+        </body>
+      </html>
+    )
+  }
+}

test/integration/font-optimization/fixtures/with-typekit/pages/amp.js

@@ -0,0 +1,9 @@
+import React from 'react'
+
+const Page = () => {
+  return <div>Hi!</div>
+}
+
+export const config = { amp: true }
+
+export default Page

test/integration/font-optimization/fixtures/with-typekit/pages/index.js

@@ -0,0 +1,7 @@
+import React from 'react'
+
+const Page = () => {
+  return <div>Hi!</div>
+}
+
+export default Page

test/integration/font-optimization/fixtures/with-typekit/pages/nonce.js

@@ -0,0 +1,19 @@
+import React from 'react'
+import Head from 'next/head'
+
+const Page = () => {
+  return (
+    <>
+      <Head>
+        <link
+          href="https://use.typekit.net/erd0sed.css"
+          rel="stylesheet"
+          nonce="VmVyY2Vs"
+        />
+      </Head>
+      <div>Hi!</div>
+    </>
+  )
+}
+
+export default Page

test/integration/font-optimization/fixtures/with-typekit/pages/stars.js

@@ -0,0 +1,26 @@
+import Head from 'next/head'
+
+function Home({ stars }) {
+  return (
+    <div className="container">
+      <Head>
+        <title>Create Next App</title>
+        <link rel="icon" href="/favicon.ico" />
+        <link
+          rel="stylesheet"
+          href="https://use.typekit.net/ucs7mcf.css"
+        ></link>
+      </Head>
+
+      <main>
+        <div>Next stars: {stars}</div>
+      </main>
+    </div>
+  )
+}
+
+Home.getInitialProps = async () => {
+  return { stars: Math.random() * 1000 }
+}
+
+export default Home

test/integration/font-optimization/fixtures/with-typekit/pages/static-head.js

@@ -0,0 +1,15 @@
+import React from 'react'
+import Head from 'next/head'
+
+const Page = () => {
+  return (
+    <>
+      <Head>
+        <link href="https://use.typekit.net/erd0sed.css" rel="stylesheet" />
+      </Head>
+      <div>Hi!</div>
+    </>
+  )
+}
+
+export default Page

test/integration/font-optimization/fixtures/with-typekit/pages/with-font.js

@@ -0,0 +1,27 @@
+import Head from 'next/head'
+import Link from 'next/link'
+
+const WithFont = () => {
+  return (
+    <>
+      <Head>
+        <link href="https://use.typekit.net/ucs7mcf.css" rel="stylesheet" />
+      </Head>
+
+      <div>
+        Page with custom fonts
+        <br />
+        <br />
+        <Link href="/without-font">Without font</Link>
+      </div>
+    </>
+  )
+}
+
+export const getServerSideProps = async () => {
+  return {
+    props: {},
+  }
+}
+
+export default WithFont