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"readme": "# has-values [](https://www.npmjs.com/package/has-values) [](https://npmjs.org/package/has-values) [](https://npmjs.org/package/has-values) [](https://travis-ci.org/jonschlinkert/has-values)\n\n> Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.\n\nPlease consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.\n\n## Install\n\nInstall with [npm](https://www.npmjs.com/):\n\n```sh\n$ npm install --save has-values\n```\n\n## Usage\n\n```js\nconst has = require('has-values');\n```\n\nCreate an `isEmpty` function by returning the inverse of the result from has-values:\n\n```js\nconst isEmpty = val => !has(val);\n```\n\n## Supported types\n\n### Arrays\n\n```js\nconsole.log(has(['a'])); //=> true\nconsole.log(has([0])); //=> true\nconsole.log(has([[[]]])); //=> false\nconsole.log(has([[], []])); //=> false\nconsole.log(has([])); //=> false\n```\n\n### Booleans\n\n```js\nconsole.log(has(true)); //=> true\nconsole.log(has(false)); //=> true\n```\n\n### Buffers\n\n```js\nconsole.log(has(new Buffer())); //=> false\nconsole.log(has(new Buffer('foo'))); //=> true\n```\n\n### Dates\n\nDates are always true.\n\n```js\nconsole.log(has(new Date())); //=> true\n```\n\n### Errors\n\nReturns `false` if `err.message` is an empty string.\n\n```js\nconsole.log(has(new Error())); //=> false\nconsole.log(has(new Error('foo'))); //=> true\n```\n\n### Functions\n\nFunctions are always true.\n\n```js\nconsole.log(has(function(foo) {})); //=> true\nconsole.log(has(function() {})); //=> true\n```\n\n### Maps\n\n```js\nconsole.log(has(new Map())); //=> false\nconsole.log(has(new Map([['foo', 'bar']]))); //=> true\n```\n\n### Null\n\n`null` is always true, as it's assumed that this is a user-defined value, versus `undefined` which is not.\n\n```js\nconsole.log(has(null)); //=> true\n```\n\n### Objects\n\n```js\nconsole.log(has({})); //=> false\nconsole.log(has({ a: 'a' }})); //=> true\nconsole.log(has({ foo: undefined })); //=> false\nconsole.log(has({ foo: null })); //=> true\n```\n\n### Numbers\n\n```js\nconsole.log(has(1)); //=> true\nconsole.log(has(0)); //=> true\n```\n\n### Regular expressions\n\n```js\nconsole.log(has(new RegExp())); //=> false\nconsole.log(has(new RegExp('foo'))); //=> true\n```\n\n### Sets\n\n```js\nconsole.log(has(new Set())); //=> false\nconsole.log(has(new Set(['foo', 'bar']))); //=> true\n```\n\n### Strings\n\n```js\nconsole.log(has('a')); //=> true\nconsole.log(has('')); //=> false\n```\n\n## Undefined\n\n```js\nconsole.log(has()); //=> false\nconsole.log(has(void 0)); //=> false\nconsole.log(has(undefined)); //=> false\n```\n\n## Release history\n\n### v2.0.0\n\n* no longer supports numbers as a string\n* optimizations\n* adds support for `regex` and `buffer`\n\n### v1.0.0\n\n* adds support for `Map` and `Set`\n* `zero` always returns true\n* `array` now recurses, so that an array of empty arrays will return `false`\n* `null` now returns true\n\n## About\n\n\nContributing
\n\nPull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).\n\n \n\n\nRunning Tests
\n\nRunning and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:\n\n```sh\n$ npm install && npm test\n```\n\n \n\n\nBuilding docs
\n\n_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_\n\nTo generate the readme, run the following command:\n\n```sh\n$ npm install -g verbose/verb#dev verb-generate-readme && verb\n```\n\n \n\n### Related projects\n\nYou might also be interested in these projects:\n\n* [has-value](https://www.npmjs.com/package/has-value): Returns true if a value exists, false if empty. Works with deeply nested values using… [more](https://github.com/jonschlinkert/has-value) | [homepage](https://github.com/jonschlinkert/has-value \"Returns true if a value exists, false if empty. Works with deeply nested values using object paths.\")\n* [is-number](https://www.npmjs.com/package/is-number): Returns true if the value is a number. comprehensive tests. | [homepage](https://github.com/jonschlinkert/is-number \"Returns true if the value is a number. comprehensive tests.\")\n* [is-plain-object](https://www.npmjs.com/package/is-plain-object): Returns true if an object was created by the `Object` constructor. | [homepage](https://github.com/jonschlinkert/is-plain-object \"Returns true if an object was created by the `Object` constructor.\")\n* [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject \"Returns true if the value is an object and not an array or null.\")\n* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of \"Get the native type of a value.\")\n\n### Author\n\n**Jon Schlinkert**\n\n* [linkedin/in/jonschlinkert](https://linkedin.com/in/jonschlinkert)\n* [github/jonschlinkert](https://github.com/jonschlinkert)\n* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)\n\n### License\n\nCopyright © 2018, [Jon Schlinkert](https://github.com/jonschlinkert).\nReleased under the [MIT License](LICENSE).\n\n***\n\n_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.6.0, on January 30, 2018._"
}