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https://github.com/puppeteer/puppeteer
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1c0009d2c0
* chore(agnostic): ship CJS and ESM builds
For our work to enable Puppeteer in other environments (e.g. a browser)
we need to ship an ESM build. This commit changes our config to ship to
`lib/cjs` and `lib/esm` accordingly. The majority of our code stays the
same, with one small fix for the CJS build to ensure that we ship a
version that lets you `require('puppeteer')` rather than have to
`require('puppeteer').default`. We do this with the `cjs-entry.js` which
is what the `main` field in our `package.json` points to.
We also swap to `read-pkg-up` to find the `package.json` file. This is
because the folder structure of `lib/` does not match `src/` now we ship
to `cjs` and `esm`, so you cannot rely on exact paths. This module works
up from the file to find the nearest `package.json` so it will always
find Puppeteer's `package.json`.
Note that we *do not* point any users to the ESM build. We happen to
ship those files so people who know about them can get at them but it's
not expected (nor will we actively support) that people will rely on
them. The CommonJS build is considered our main build.
We may make breaking changes to the structure of the ESM build which we
will do without requiring new major versions. For example the ESM build
currently ships all files that the CJS build does, but given we are
working on the ESM build being able to run in the browser this may
change over time.
Long term once the Node versions catch up we can ditch CJS and ship
exclusively ESM but we are not there yet.
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| .. | ||
| check_public_api | ||
| preprocessor | ||
| .gitignore | ||
| cli.js | ||
| Message.js | ||
| README.md | ||
| Source.js | ||
DocLint
Doclint is a small program that lints Puppeteer's documentation against Puppeteer's source code.
Doclint works in a few steps:
- Read sources in
lib/folder, parse AST trees and extract public API- note that we run DocLint on the outputted JavaScript in
lib/rather than the source code insrc/. We will do this until we have migratedsrc/to be exclusively TypeScript and then we can update DocLint to support TypeScript.
- note that we run DocLint on the outputted JavaScript in
- Read sources in
docs/folder, render markdown to HTML, use puppeteer to traverse the HTML and extract described API - Compare one API to another
Doclint is also responsible for general markdown checks, most notably for the table of contents relevancy.
Running
npm run doc
Tests
Doclint has its own set of jasmine tests, located at utils/doclint/test folder.
To execute tests, run:
npm run test-doclint