Drop Node 14 support (#5782)

* chore: Update engines field

* fix(deps): Remove node-fetch

* feat(polyfills): Remove node-fetch for undici

* feat(webapi): Remove node-fetch from the webapis polyfills for undici

* feat(core): Remove node-fetch for undici in Astro core

* feat(telemetry): Remove node-fetch for undici

* feat(node): Remove node-fetch for undici in node integration

* feat(vercel): Remove node-fetch for undici in Vercel integration

* chore: update lockfile

* chore: update lockfile

* chore: changeset

* fix(set): Fix set directives not streaming correctly on Node 16

* Try another approach

* Debugging

* Debug fetch

* Use global fetch if there is one

* changeset for lit

* Remove web-streams-polyfill

* Remove web-streams-polyfill license note

* Update .changeset/stupid-wolves-explain.md

Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>

Co-authored-by: Matthew Phillips <matthew@skypack.dev>
Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>

1 files changed, 0 insertions, 60 deletions

diff --git a/packages/webapi/test/fetch.js b/packages/webapi/test/fetch.js
index ae5ae0386..49aab31dc 100644
--- a/packages/webapi/test/fetch.js
+++ b/packages/webapi/test/fetch.js
@@ -22,66 +22,6 @@ describe('Fetch', () => {
 		expect(json).to.be.an('array')
 	})
 
-	it('Fetch with file', async () => {
-		const { fetch } = target
-
-		const url = new URL('../package.json', import.meta.url)
-
-		const response = await fetch(url)
-
-		expect(response.constructor).to.equal(target.Response)
-
-		expect(response.status).to.equal(200)
-		expect(response.statusText).to.be.empty
-		expect(response.headers.has('date')).to.equal(true)
-		expect(response.headers.has('content-length')).to.equal(true)
-		expect(response.headers.has('last-modified')).to.equal(true)
-
-		const json = await response.json()
-
-		expect(json.name).to.equal('@astrojs/webapi')
-	})
-
-	it('Fetch with missing file', async () => {
-		const { fetch } = target
-
-		const url = new URL('../missing.json', import.meta.url)
-
-		const response = await fetch(url)
-
-		expect(response.constructor).to.equal(target.Response)
-
-		expect(response.status).to.equal(404)
-		expect(response.statusText).to.be.empty
-		expect(response.headers.has('date')).to.equal(true)
-		expect(response.headers.has('content-length')).to.equal(false)
-		expect(response.headers.has('last-modified')).to.equal(false)
-	})
-
-	it('Fetch with (file) Request', async () => {
-		const { Request, fetch } = target
-
-		const request = new Request(new URL('../package.json', import.meta.url))
-
-		const response = await fetch(request)
-
-		expect(response.constructor).to.equal(target.Response)
-
-		const json = await response.json()
-
-		expect(json.name).to.equal('@astrojs/webapi')
-	})
-
-	it('Fetch with relative file', async () => {
-		const { fetch } = target
-
-		const response = await fetch('package.json')
-
-		const json = await response.json()
-
-		expect(json.name).to.equal('@astrojs/webapi')
-	})
-
 	it('Fetch with data', async () => {
 		const { fetch } = target