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, 61 insertions, 0 deletions

diff --git a/tools/node_modules/eslint/node_modules/is-whitespace-character/readme.md b/tools/node_modules/eslint/node_modules/is-whitespace-character/readme.md
new file mode 100644
index 0000000000..171c2071fa
--- /dev/null
+++ b/tools/node_modules/eslint/node_modules/is-whitespace-character/readme.md
@@ -0,0 +1,61 @@
+# is-whitespace-character [![Build Status][travis-badge]][travis] [![Coverage Status][codecov-badge]][codecov]
+
+Check if a character is a whitespace character: `\s`, which equals
+all Unicode Space Separators (including `[ \t\v\f]`), the BOM
+(`\uFEFF`), and line terminator (`[\n\r\u2028\u2029]`).
+
+## Installation
+
+[npm][]:
+
+```bash
+npm install is-whitespace-character
+```
+
+## Usage
+
+```javascript
+var whitespace = require('is-whitespace-character');
+
+whitespace(' '); // true
+whitespace('\n'); // true
+whitespace('\ufeff'); // true
+whitespace('_'); // false
+whitespace('a'); // true
+whitespace('💩'); // false
+```
+
+## API
+
+### `whitespaceCharacter(character|code)`
+
+Check whether the given character code (`number`), or the character
+code at the first position (`string`), is a whitespace 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-word-character`](https://github.com/wooorm/is-word-character)
+
+## License
+
+[MIT][license] © [Titus Wormer][author]
+
+<!-- Definitions -->
+
+[travis-badge]: https://img.shields.io/travis/wooorm/is-whitespace-character.svg
+
+[travis]: https://travis-ci.org/wooorm/is-whitespace-character
+
+[codecov-badge]: https://img.shields.io/codecov/c/github/wooorm/is-whitespace-character.svg
+
+[codecov]: https://codecov.io/github/wooorm/is-whitespace-character
+
+[npm]: https://docs.npmjs.com/cli/install
+
+[license]: LICENSE
+
+[author]: http://wooorm.com