tools: move eslint from tools to tools/node_modules

This is required because we need to add the babel-eslint dependency
and it has to be able to resolve "eslint".
babel-eslint is required to support future ES features such as async
iterators and import.meta.

Refs: https://github.com/nodejs/node/pull/17755
PR-URL: https://github.com/nodejs/node/pull/17820
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>

1 files changed, 60 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/is-word-character/readme.md b/tools/node_modules/eslint/node_modules/is-word-character/readme.md
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+# is-word-character [![Build Status][travis-badge]][travis] [![Coverage Status][codecov-badge]][codecov]
+
+Check if a character is a word character (`\w`, which equals
+`[a-zA-Z0-9_]`).
+
+## Installation
+
+[npm][]:
+
+```bash
+npm install is-word-character
+```
+
+## Usage
+
+```javascript
+var wordCharacter = require('is-word-character');
+
+wordCharacter('a'); //=> true
+wordCharacter('Z'); //=> true
+wordCharacter('0'); //=> true
+wordCharacter('_'); //=> true
+wordCharacter(' '); //=> false
+wordCharacter('💩'); //=> false
+```
+
+## API
+
+### `wordCharacter(character|code)`
+
+Check whether the given character code (`number`), or the character
+code at the first position (`string`), is a word character.
+
+## Related
+
+*   [`is-alphabetical`](https://github.com/wooorm/is-alphabetical)
+*   [`is-alphanumerical`](https://github.com/wooorm/is-alphanumerical)
+*   [`is-decimal`](https://github.com/wooorm/is-decimal)
+*   [`is-hexadecimal`](https://github.com/wooorm/is-hexadecimal)
+*   [`is-whitespace-character`](https://github.com/wooorm/is-whitespace-character)
+
+## License
+
+[MIT][license] © [Titus Wormer][author]
+
+<!-- Definitions -->
+
+[travis-badge]: https://img.shields.io/travis/wooorm/is-word-character.svg
+
+[travis]: https://travis-ci.org/wooorm/is-word-character
+
+[codecov-badge]: https://img.shields.io/codecov/c/github/wooorm/is-word-character.svg
+
+[codecov]: https://codecov.io/github/wooorm/is-word-character
+
+[npm]: https://docs.npmjs.com/cli/install
+
+[license]: LICENSE
+
+[author]: http://wooorm.com