feat(core): ship puppeteer-core types

.gitignore

@@ -39,3 +39,4 @@ stats.html
 packages/function/dist
 packages/mql/dist/index.js
 packages/mql/dist/index.umd.js
+packages/core/src/puppeteer-core.d.ts

packages/core/package.json

@@ -17,7 +17,8 @@
       "require": "./bin/run.js",
       "default": "./bin/cli.mjs"
     },
-    "./docs": "./bin/docs.js"
+    "./docs": "./bin/docs.js",
+    "./src/puppeteer-core.d.ts": "./src/puppeteer-core.d.ts"
   },
   "bin": {
     "microlink": "bin/index.js",
@@ -72,7 +73,8 @@
     "src"
   ],
   "scripts": {
-    "test": "ava && tsd"
+    "prepack": "node scripts/copy-puppeteer-dts.js",
+    "test": "node scripts/copy-puppeteer-dts.js && ava && tsd"
   },
   "preferGlobal": true,
   "license": "MIT",

packages/core/scripts/copy-puppeteer-dts.js

@@ -0,0 +1,14 @@
+'use strict'
+
+const { createRequire } = require('node:module')
+const { dirname, join } = require('node:path')
+const { readFileSync, writeFileSync } = require('node:fs')
+
+const requireFromCore = createRequire(join(__dirname, '../package.json'))
+const pkgPath = requireFromCore.resolve('puppeteer-core/package.json')
+const { types } = requireFromCore(pkgPath)
+
+writeFileSync(
+  join(__dirname, '../src/puppeteer-core.d.ts'),
+  readFileSync(join(dirname(pkgPath), types), 'utf8')
+)

packages/core/test/build.mjs

@@ -1,5 +1,6 @@
-import { readFile, access, constants } from 'fs/promises'
+import { readFile, access, constants, mkdtemp, readdir, rm } from 'fs/promises'
 import { fileURLToPath } from 'url'
+import { tmpdir } from 'os'
 import $ from 'tinyspawn'
 import test from 'ava'
 import path from 'path'
@@ -89,3 +90,17 @@ test('published files include every bin entry', t => {
     )
   )
 })
+
+test('ships puppeteer-core types next to the package dts', async t => {
+  t.is(pkg.exports['./src/puppeteer-core.d.ts'], './src/puppeteer-core.d.ts')
+  const dts = await readFile(path.join(root, 'src/puppeteer-core.d.ts'), 'utf8')
+  t.true(dts.includes('export declare abstract class Page'))
+  t.true(dts.includes('export declare abstract class HTTPResponse'))
+
+  const dest = await mkdtemp(path.join(tmpdir(), 'microlink-pack-'))
+  t.teardown(() => rm(dest, { recursive: true, force: true }))
+  await $('pnpm', ['pack', '--pack-destination', dest], { cwd: root })
+  const [tarball] = (await readdir(dest)).filter(name => name.endsWith('.tgz'))
+  const { stdout } = await $('tar', ['-tzf', path.join(dest, tarball)])
+  t.true(stdout.includes('package/src/puppeteer-core.d.ts'))
+})