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* Bump the npm group with 2 updates Bumps the npm group with 2 updates: [eslint](https://github.com/eslint/eslint) and [eslint-plugin-import](https://github.com/import-js/eslint-plugin-import). Updates `eslint` from 8.45.0 to 8.46.0 - [Release notes](https://github.com/eslint/eslint/releases) - [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md) - [Commits](https://github.com/eslint/eslint/compare/v8.45.0...v8.46.0) Updates `eslint-plugin-import` from 2.27.5 to 2.28.0 - [Release notes](https://github.com/import-js/eslint-plugin-import/releases) - [Changelog](https://github.com/import-js/eslint-plugin-import/blob/main/CHANGELOG.md) - [Commits](https://github.com/import-js/eslint-plugin-import/compare/v2.27.5...v2.28.0) --- updated-dependencies: - dependency-name: eslint dependency-type: direct:development update-type: version-update:semver-minor dependency-group: npm - dependency-name: eslint-plugin-import dependency-type: direct:development update-type: version-update:semver-minor dependency-group: npm ... Signed-off-by: dependabot[bot] <support@github.com> * Update checked-in dependencies --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
71 lines
2.0 KiB
Markdown
71 lines
2.0 KiB
Markdown
[](https://www.npmjs.com/package/eslint-scope)
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[](https://www.npmjs.com/package/eslint-scope)
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[](https://github.com/eslint/eslint-scope/actions)
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# ESLint Scope
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ESLint Scope is the [ECMAScript](http://www.ecma-international.org/publications/standards/Ecma-262.htm) scope analyzer used in ESLint. It is a fork of [escope](http://github.com/estools/escope).
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## Install
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```
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npm i eslint-scope --save
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```
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## 📖 Usage
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To use in an ESM file:
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```js
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import * as eslintScope from 'eslint-scope';
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```
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To use in a CommonJS file:
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```js
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const eslintScope = require('eslint-scope');
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```
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Example:
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```js
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import * as eslintScope from 'eslint-scope';
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import * as espree from 'espree';
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import estraverse from 'estraverse';
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const ast = espree.parse(code, { range: true });
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const scopeManager = eslintScope.analyze(ast);
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const currentScope = scopeManager.acquire(ast); // global scope
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estraverse.traverse(ast, {
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enter (node, parent) {
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// do stuff
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if (/Function/.test(node.type)) {
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currentScope = scopeManager.acquire(node); // get current function scope
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}
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},
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leave(node, parent) {
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if (/Function/.test(node.type)) {
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currentScope = currentScope.upper; // set to parent scope
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}
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// do stuff
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}
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});
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```
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## Contributing
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Issues and pull requests will be triaged and responded to as quickly as possible. We operate under the [ESLint Contributor Guidelines](http://eslint.org/docs/developer-guide/contributing), so please be sure to read them before contributing. If you're not sure where to dig in, check out the [issues](https://github.com/eslint/eslint-scope/issues).
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## Build Commands
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* `npm test` - run all linting and tests
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* `npm run lint` - run all linting
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## License
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ESLint Scope is licensed under a permissive BSD 2-clause license.
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