🌅

.babelrc

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+{
+  "presets": ["@babel/env", "@babel/react"]
+}

.circleci/config.yml

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+version: 2
+jobs:
+  build:
+    docker:
+      - image: circleci/node:8.12
+
+    working_directory: ~/repo
+
+    steps:
+      - checkout
+
+      - restore_cache:
+          name: Restore node_modules cache
+          keys:
+            - v1-dependencies-{{ checksum "package.json" }}
+            - v1-dependencies-
+
+      - run:
+          name: Node version
+          command: node --version
+
+      - run:
+          name: Install dependencies
+          command: yarn install --frozen-lockfile
+
+      - run:
+          name: Lint
+          command: yarn lint
+
+      - run:
+          name: Tests
+          command: yarn test
+
+      - run:
+          name: Coverage
+          command: yarn coveralls
+
+      - save_cache:
+          name: Save node_modules cache
+          paths:
+            - node_modules
+          key: v1-dependencies-{{ checksum "package.json" }}

.eslintrc.js

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+module.exports = {
+  env: {
+    browser: 1,
+  },
+  extends: 'seegno'
+};

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# Parcel folders
+build
+.cache

LICENSE

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+MIT License
+
+Copyright (c) 2018 Benjamim Sonntag
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# react-use-user-media
+
+[![CircleCI](https://circleci.com/gh/bsonntag/react-use-user-media.svg?style=svg)](https://circleci.com/gh/bsonntag/react-use-user-media)
+[![Coverage Status](https://coveralls.io/repos/github/bsonntag/react-use-user-media/badge.svg?branch=master)](https://coveralls.io/github/bsonntag/react-use-user-media?branch=master)
+
+React hook for accessing user media.
+
+## Installation
+
+Using npm:
+
+```sh
+$ npm install --save react-use-user-media
+```
+
+Using yarn:
+
+```sh
+$ yarn add react-use-user-media
+```
+
+This module uses React's upcoming hooks feature.
+To try this out you'll also need to install the 16.7.0-alpha.0 version
+of `react` and `react-dom`:
+
+```sh
+$ yarn add react@16.7.0-alpha.0 react-dom@16.7.0-alpha.0
+```
+
+## Usage
+
+```js
+import React from 'react';
+import Video from '@bsonntag/react-video';
+import useUserMedia from 'react-use-user-media';
+
+function Example() {
+  const { stream } = useUserMedia({ video: true });
+
+  if (!stream) {
+    return <p>Waiting...</p>;
+  }
+
+  return (
+    <Video
+      play
+      srcObject={stream}
+    />
+  );
+}
+```
+
+## API
+
+```js
+useUserMedia(Object): {
+  error: Error,
+  stream: MediaStream
+}
+```
+
+Receives a [constraints object](https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamConstraints)
+to call [`getUserMedia`](https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia)
+with and returns an object with the error and [stream](https://developer.mozilla.org/en-US/docs/Web/API/MediaStream/MediaStream).
+
+## Contributing
+
+Please feel free to submit any issues or pull requests.
+
+## License
+
+MIT

example/index.css

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+body {
+  font-size: 20px;
+  margin: 0;
+}
+
+#root {
+  align-content: center;
+  display: grid;
+  grid-gap: 1em;
+  height: 100vh;
+  justify-content: center;
+  width: 100vw;
+}
+
+button {
+  border: 0;
+  border-radius: 1em;
+  box-shadow: 0px 2px 4px #0008;
+  cursor: pointer;
+  font-size: 1em;
+  min-width: 6em;
+  padding: 1em 2em;
+}
+
+button:focus,
+button:hover {
+  opacity: 0.8;
+}

example/index.html

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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+    <title>react-use-user-media example</title>
+    <link rel="stylesheet" href="./index.css" type="text/css">
+  </head>
+  <body>
+    <div id="root"></div>
+    <script src="./index.js" type="text/javascript"></script>
+  </body>
+</html>

example/index.js

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+import { render } from 'react-dom';
+import React from 'react';
+import Video from '@bsonntag/react-video';
+import useUserMedia from '../src';
+
+const Example = () => {
+  const { stream } = useUserMedia({ video: true });
+
+  if (!stream) {
+    return (
+      <p>
+        {'Waiting...'}
+      </p>
+    );
+  }
+
+  return (
+    <Video
+      play
+      srcObject={stream}
+    />
+  );
+};
+
+render(<Example />, document.getElementById('root'));

jest-setup.js

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+import 'jest-dom/extend-expect';

package.json

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+{
+  "name": "react-use-user-media",
+  "version": "0.0.0-alpha.0",
+  "description": "React hook for accessing user media.",
+  "keywords": [
+    "hook",
+    "hooks",
+    "media",
+    "react",
+    "user"
+  ],
+  "repository": "git@github.com:bsonntag/react-use-user-media.git",
+  "license": "MIT",
+  "author": "Benjamim Sonntag <benjamimsonntag@gmail.com>",
+  "main": "dist/index.js",
+  "scripts": {
+    "bundle": "rm -rf dist && babel src --out-dir dist --ignore **/*.test.js",
+    "bundle:watch": "babel src --out-dir dist --watch --ignore **/*.test.js",
+    "coveralls": "jest --coverage --silent --coverageReporters=text-lcov | coveralls",
+    "example": "parcel --out-dir build example/index.html",
+    "lint": "eslint src",
+    "test": "jest",
+    "test:watch": "jest --watch --notify",
+    "version": "npm run bundle && git add dist"
+  },
+  "jest": {
+    "coverageDirectory": "coverage",
+    "coveragePathIgnorePatterns": [
+      "jest-setup.js"
+    ],
+    "coverageReporters": [
+      "html",
+      "lcov",
+      "text"
+    ],
+    "setupTestFrameworkScriptFile": "./jest-setup.js"
+  },
+  "devDependencies": {
+    "@babel/cli": "^7.1.2",
+    "@babel/core": "^7.1.2",
+    "@babel/preset-env": "^7.1.0",
+    "@babel/preset-react": "^7.0.0",
+    "@bsonntag/react-video": "^0.0.1",
+    "babel-core": "^7.0.0-bridge",
+    "babel-jest": "^23.6.0",
+    "coveralls": "^3.0.2",
+    "eslint": "^5.7.0",
+    "eslint-config-seegno": "^11.0.1",
+    "jest": "^23.6.0",
+    "jest-dom": "^2.1.0",
+    "parcel-bundler": "^1.10.3",
+    "react": "^16.7.0-alpha.0",
+    "react-dom": "^16.7.0-alpha.0",
+    "react-testing-library": "^5.2.3"
+  },
+  "peerDependencies": {
+    "react": "^16.7.0-alpha.0"
+  },
+  "dependencies": {
+    "react-use-promise": "^0.0.0-alpha.0",
+    "stop-media-stream": "^0.0.2"
+  }
+}

src/index.js

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+import { useEffect } from 'react';
+import stopMediaStream from 'stop-media-stream';
+import usePromise from 'react-use-promise';
+
+function useUserMedia(constraints) {
+  const [stream, error] = usePromise(() => {
+    return navigator.mediaDevices.getUserMedia(constraints);
+  });
+
+  useEffect(() => () => stopMediaStream(stream), [stream]);
+
+  return { error, stream };
+}
+
+export default useUserMedia;