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Other modules have similar goals (like [`classnames`](https://npm.im/classnames)), but `obj-str` only does one thing. This is why it's only 100 bytes gzipped!\n\n_PS: I made this because [Preact 8.0 removed this built-in behavior](https://github.com/developit/preact/commit/b2c85e3f7fa89ebbf242b00f4cab7619641e3a52) and I wanted a quick, drop-in replacement._\n\n## Install\n\n```\n$ npm install --save obj-str\n```\n\n\n## Usage\n\n```js\nimport objstr from 'obj-str';\n\nobjstr({ foo:true, bar:false, baz:isTrue() });\n//=> 'foo baz'\n```\n\n### React\n\nWith React (or any of the React-like libraries!), you can take advantage of any `props` or `state` values in order to express conditional classes as an object.\n\n```js\nimport React from 'react';\nimport objstr from 'obj-str';\n\nconst TodoItem = ({ text, isDone, disabled }) => (\n
  • \n \n \n
    • \n);\n```\n\n### Preact\n\nFor simple use, the [React](#react) example will work for Preact too. However, you may also define a custom vNode \"polyfill\" to automatically handle Objects when used inside `className`.\n\n> **Note:** For users of Preact 7.1 and below, _you do not need this module_! Your version includes this behavior out of the box!\n\n```js\nimport objstr from 'obj-str';\nimport { options } from 'preact';\n\nconst old = options.vnode;\n\noptions.vnode = vnode => {\n const props = vnode.attributes;\n if (props != null) {\n const k = 'class' in props ? 'class' : 'className';\n if (props[k] && typeof props[k]=='object') {\n props[k] = objstr(props[k]);\n }\n }\n old && old(vnode);\n}\n```\n\n\n## API\n\n### objstr(input)\n\n#### input\n\nType: `Object`\n\nA hashmap of keys & their truthy/falsey values. Booleans are preferred when speed is critically important.\n\n\n## Related\n\n- [babel-plugin-optimize-obj-str](./babel-plugin-optimize-obj-str) - Babel plugin to transform `obj-str` calls into optimized expressions.\n\n- [clsx](https://github.com/lukeed/clsx) - Drop-in replacement for `obj-str` and `classnames` – handles all (and multiple) input types.\n\n\n## License\n\nMIT © [Luke Edwards](http://lukeed.com)\n","maintainers":[{"name":"lukeed","email":"luke@lukeed.com"}],"time":{"modified":"2022-06-22T16:12:39.102Z","created":"2017-04-09T00:41:40.202Z","1.0.0":"2017-04-09T00:41:40.202Z","1.0.1":"2018-08-27T18:08:50.152Z","1.0.2":"2018-12-25T09:14:32.514Z","1.0.3":"2019-01-11T09:31:08.788Z","1.1.0":"2021-03-27T21:12:58.859Z"},"homepage":"https://github.com/lukeed/obj-str#readme","keywords":["react","preact","classes","classname","classnames","object","object-keys","object-string","object-values","serialize"],"repository":{"type":"git","url":"git+https://github.com/lukeed/obj-str.git"},"author":{"name":"Luke Edwards","email":"luke.edwards05@gmail.com","url":"https://lukeed.com"},"bugs":{"url":"https://github.com/lukeed/obj-str/issues"},"license":"MIT","readmeFilename":"readme.md","users":{"petershev":true}}