fix(typescript): ship .d.ts file in npm package #6811
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In all my excitement about shipping types, we forgot to export the
actual `d.ts` file that makes it all happen... :(
I didn't pick this up locally because I was testing with `npm link`,
which does a symbolic link and therefore doesn't mirror the list of
files that make it into the published package.
To test this change, I made the change and ran `npm pack` to generate a
tar. I then created a new empty directory and did `npm init -y` followed
by `npm install path/to/puppeteer-7.tgz`.
I then initialised TypeScript, and wrote this:
```js
import puppeteer from 'puppeteer';
async function run() {
const browser = await puppeteer.launch()
const page = await browser.newPage()
await page.goto('https://foo.com')
}
run();
```
As I typed I got autocompletions and if I were to make an error, I'd get
a TypeScript error.
There is follow up work to be done because this unfortunately does not
work if you use `require` rather than ES Modules. @AviVahl suggested a
change in #6807 but I
cannot get it to work, so I'd like to do more investigation here. In the
mean time, whatever the contents of `cjs-entry.d.ts`, we should
definitely be exporting it as part of the module, so this PR is still
good to land.
mathiasbynens
approved these changes
Feb 4, 2021
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