| 1 | # ast-metadata-inferer
|
| 2 |
|
| 3 | [](https://github.com/amilajack/ast-metadata-inferer/actions/workflows/test.yml)
|
| 4 |
|
| 5 | A collection of metadata about browser API's. This collection is intended for tools that analyze JS. It currently supports more than 6,000 compatibility records.
|
| 6 |
|
| 7 | For all the API's it supports, it gives the
|
| 8 |
|
| 9 | - AST node type of the API (`MemberExpression`, `NewExpression`, or `CallExpression`)
|
| 10 | - Determines if an API is statically invoked (ex. `document.querySelector()`)
|
| 11 | - Determines if an API is a CSS or JS API
|
| 12 | - Provides compatibility information from `@mdn/browser-compat-data`
|
| 13 |
|
| 14 | ## Usage
|
| 15 |
|
| 16 | ```js
|
| 17 | import AstMetadata from "ast-metadata-inferer";
|
| 18 |
|
| 19 | const [firstRecord] = AstMetadata;
|
| 20 | console.log(firstRecord);
|
| 21 | // {
|
| 22 | // "language":"js-api",
|
| 23 | // "protoChain":["document","querySelector"],
|
| 24 | // "protoChainId":"document.querySelector",
|
| 25 | // "astNodeTypes":["MemberExpression"],
|
| 26 | // "isStatic":true,
|
| 27 | // "compat": {
|
| 28 | // support: {
|
| 29 | // chrome: {
|
| 30 | // version_added: "14"
|
| 31 | // },
|
| 32 | // chrome_android: { version_added: "18" },
|
| 33 | // ...
|
| 34 | // }
|
| 35 | // }
|
| 36 | // }
|
| 37 | ```
|
| 38 |
|
| 39 | ## Related
|
| 40 |
|
| 41 | - [eslint-plugin-compat](https://github.com/amilajack/eslint-plugin-compat)
|
| 42 | - [compat-db](https://github.com/amilajack/compat-db)
|