feat: support emotion

.eslintignore

@@ -1,3 +1,5 @@
 node_modules/
 dist/
 /coverage/
+.cache/
+public/

.gitignore

@@ -1,3 +1,4 @@
 node_modules/
 dist/
-/coverage/
+/coverage/
+.size-snapshot.json

.prettierignore

@@ -3,3 +3,4 @@ node_modules/
 dist/
 package.json
 CHANGELOG.md
+.cache

config/rollup.js

@@ -6,7 +6,12 @@ import commonjs from 'rollup-plugin-commonjs'
 import { terser } from 'rollup-plugin-terser'
 import { sizeSnapshot } from 'rollup-plugin-size-snapshot'
 
-export const getRollupConfig = ({ pwd, buildName, name }) => {
+export const getRollupConfig = ({
+  pwd,
+  buildName,
+  name = null,
+  globals = {},
+}) => {
   const SOURCE_DIR = path.resolve(pwd, 'src')
   const DIST_DIR = path.resolve(pwd, 'dist')
   const input = `${SOURCE_DIR}/index.js`
@@ -21,10 +26,6 @@ export const getRollupConfig = ({ pwd, buildName, name }) => {
     ],
   })
 
-  const globals = {
-    'styled-components': 'styled',
-  }
-
   const umdConfig = {
     input,
     output: {
@@ -78,5 +79,5 @@ export const getRollupConfig = ({ pwd, buildName, name }) => {
     return [esmConfig, cjsConfig]
   }
 
-  return [esmConfig, cjsConfig, umdConfig, minConfig]
+  return [esmConfig, cjsConfig, ...(name ? [umdConfig, minConfig] : [])]
 }

package.json

@@ -6,11 +6,15 @@
   "bundlesize": [
     {
       "path": "./packages/system/dist/xstyled-system.min.js",
-      "maxSize": "4.5 kB"
+      "maxSize": "4.1 kB"
     },
     {
-      "path": "./packages/styled-components/dist/xstyled.min.js",
-      "maxSize": "4 kB"
+      "path": "./packages/styled-components/dist/xstyled-styled-components.min.js",
+      "maxSize": "1.5 kB"
+    },
+    {
+      "path": "./packages/emotion/dist/xstyled-emotion.min.js",
+      "maxSize": "1.7 kB"
     }
   ],
   "scripts": {
@@ -28,13 +32,16 @@
     "@babel/plugin-transform-runtime": "^7.4.4",
     "@babel/preset-env": "^7.4.4",
     "@babel/preset-react": "^7.0.0",
+    "@emotion/core": "^10.0.10",
+    "@emotion/styled": "^10.0.11",
     "@testing-library/react": "^8.0.1",
     "babel-eslint": "^10.0.1",
     "babel-jest": "^24.8.0",
     "babel-plugin-annotate-pure-calls": "^0.4.0",
     "bundlesize": "^0.17.2",
     "codecov": "^3.5.0",
     "conventional-github-releaser": "^3.1.3",
+    "emotion-theming": "^10.0.10",
     "eslint": "^5.16.0",
     "eslint-config-airbnb": "^17.1.0",
     "eslint-config-prettier": "^4.3.0",
@@ -47,16 +54,17 @@
     "jest-dom": "^3.4.0",
     "jest-styled-components": "^6.3.1",
     "lerna": "^3.14.1",
+    "prettier": "^1.18.2",
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
-    "rollup": "^1.13.1",
+    "rollup": "^1.14.3",
     "rollup-plugin-babel": "^4.3.2",
     "rollup-plugin-commonjs": "^10.0.0",
     "rollup-plugin-node-resolve": "^5.0.1",
     "rollup-plugin-replace": "^2.2.0",
     "rollup-plugin-size-snapshot": "^0.9.0",
     "rollup-plugin-terser": "^5.0.0",
     "shx": "^0.3.2",
-    "styled-components": "^4.2.1"
+    "styled-components": "^4.3.1"
   }
 }

packages/babel-preset-emotion-css-prop/.npmignore

@@ -0,0 +1,3 @@
+/*
+!/dist/**/*.js
+*.test.js

packages/babel-preset-emotion-css-prop/LICENSE

@@ -0,0 +1,7 @@
+Copyright 2019 Smooth Code
+
+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.

packages/babel-preset-emotion-css-prop/README.md

@@ -0,0 +1,5 @@
+# @emotion/babel-preset-emotion-css-prop
+
+Same interface as [babel-preset-css-prop](https://github.com/emotion-js/emotion/tree/master/packages/babel-preset-css-prop).
+
+See [xstyled documentation](https://www.smooth-code.com/open-source/xstyled/)

packages/babel-preset-emotion-css-prop/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "@xstyled/babel-preset-emotion-css-prop",
+  "description": "A babel preset to automatically enable emotion's css prop with xstyled",
+  "version": "1.1.1",
+  "sideEffects": false,
+  "main": "dist/xstyled-babel-preset-emotion-css-prop.cjs.js",
+  "module": "dist/xstyled-babel-preset-emotion-css-prop.es.js",
+  "author": "Greg Bergé <berge.greg@gmail.com>",
+  "license": "MIT",
+  "scripts": {
+    "build": "rollup -c",
+    "prebuild": "shx rm -rf dist",
+    "prepublishOnly": "yarn build"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "dependencies": {
+    "@babel/plugin-transform-react-jsx": "^7.3.0",
+    "@babel/runtime": "^7.4.4",
+    "@emotion/babel-plugin-jsx-pragmatic": "^0.1.2",
+    "babel-plugin-emotion": "^10.0.9"
+  },
+  "peerDependencies": {
+    "@babel/core": "^7.0.0"
+  }
+}

packages/babel-preset-emotion-css-prop/rollup.config.js

@@ -0,0 +1,8 @@
+import { getRollupConfig } from '../../config/rollup'
+import pkg from './package.json'
+
+export default getRollupConfig({
+  pwd: __dirname,
+  buildName: 'xstyled-babel-preset-emotion-css-prop',
+  pkg,
+})

packages/babel-preset-emotion-css-prop/src/index.js

@@ -0,0 +1,47 @@
+// see https://github.com/emotion-js/emotion/blob/master/packages/babel-preset-css-prop/src/index.js
+import jsx from '@babel/plugin-transform-react-jsx'
+import pragmatic from '@emotion/babel-plugin-jsx-pragmatic'
+import emotion from 'babel-plugin-emotion'
+
+const pragmaName = '___xstyledEmotionJSX'
+
+// pull out the emotion options and pass everything else to the jsx transformer
+// this means if @babel/plugin-transform-react-jsx adds more options, it'll just work
+// and if babel-plugin-emotion adds more options we can add them since this lives in
+// the same repo as babel-plugin-emotion
+
+export default (
+  api,
+  {
+    pragma,
+    sourceMap,
+    autoLabel,
+    labelFormat,
+    instances = [],
+    ...options
+  } = {},
+) => {
+  return {
+    plugins: [
+      [
+        pragmatic,
+        {
+          export: 'jsx',
+          module: '@xstyled/emotion',
+          import: pragmaName,
+        },
+      ],
+      [jsx, { pragma: pragmaName, pragmaFrag: 'React.Fragment', ...options }],
+      [
+        emotion,
+        {
+          sourceMap,
+          autoLabel,
+          labelFormat,
+          instances: ['@xstyled/emotion', ...instances],
+          cssPropOptimization: true,
+        },
+      ],
+    ],
+  }
+}

packages/babel-preset-emotion-css-prop/src/index.test.js

@@ -0,0 +1,55 @@
+import { transform } from '@babel/core'
+import preset from './index'
+
+const testPreset = code => {
+  const result = transform(code, {
+    presets: [preset],
+    configFile: false,
+  })
+
+  return result.code
+}
+
+const code = `
+  import * as React from 'react'
+
+  export let Button = props => {
+    return (
+      <>
+        <button
+          css={{
+            color: 'hotpink',
+          }}
+          {...props}
+        />
+      </>
+    )
+  }
+`
+
+describe('preset', () => {
+  it('transforms code', () => {
+    expect(testPreset(code)).toMatchInlineSnapshot(`
+      "import { jsx as ___xstyledEmotionJSX } from \\"@xstyled/emotion\\";
+
+      function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }
+
+      import * as React from 'react';
+
+      var _ref = process.env.NODE_ENV === \\"production\\" ? {
+        name: \\"1v4u9bq-Button\\",
+        styles: \\"color:hotpink;label:Button;\\"
+      } : {
+        name: \\"1v4u9bq-Button\\",
+        styles: \\"color:hotpink;label:Button;\\",
+        map: \\"/*# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbInVua25vd24iXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6IkFBT1UiLCJmaWxlIjoidW5rbm93biIsInNvdXJjZXNDb250ZW50IjpbIlxuICBpbXBvcnQgKiBhcyBSZWFjdCBmcm9tICdyZWFjdCdcblxuICBleHBvcnQgbGV0IEJ1dHRvbiA9IHByb3BzID0+IHtcbiAgICByZXR1cm4gKFxuICAgICAgPD5cbiAgICAgICAgPGJ1dHRvblxuICAgICAgICAgIGNzcz17e1xuICAgICAgICAgICAgY29sb3I6ICdob3RwaW5rJyxcbiAgICAgICAgICB9fVxuICAgICAgICAgIHsuLi5wcm9wc31cbiAgICAgICAgLz5cbiAgICAgIDwvPlxuICAgIClcbiAgfVxuIl19 */\\"
+      };
+
+      export let Button = props => {
+        return ___xstyledEmotionJSX(React.Fragment, null, ___xstyledEmotionJSX(\\"button\\", _extends({
+          css: _ref
+        }, props)));
+      };"
+    `)
+  })
+})

packages/core/.npmignore

@@ -0,0 +1,3 @@
+/*
+!/dist/**/*.js
+*.test.js

packages/core/LICENSE

@@ -0,0 +1,7 @@
+Copyright 2019 Smooth Code
+
+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.

packages/core/README.md

@@ -0,0 +1,5 @@
+# @xstyled/core
+
+Core utilities of xstyled. This package must not be used directly.
+
+See [xstyled documentation](https://www.smooth-code.com/open-source/xstyled/)

packages/core/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "@xstyled/core",
+  "description": "xstyled core utilities",
+  "version": "1.1.1",
+  "sideEffects": false,
+  "main": "dist/xstyled-core.cjs.js",
+  "module": "dist/xstyled-core.es.js",
+  "author": "Greg Bergé <berge.greg@gmail.com>",
+  "license": "MIT",
+  "scripts": {
+    "build": "rollup -c",
+    "prebuild": "shx rm -rf dist",
+    "prepublishOnly": "yarn build"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "dependencies": {
+    "@babel/runtime": "^7.4.4",
+    "@xstyled/system": "^1.1.1"
+  }
+}

packages/core/rollup.config.js

@@ -0,0 +1,8 @@
+import { getRollupConfig } from '../../config/rollup'
+import pkg from './package.json'
+
+export default getRollupConfig({
+  pwd: __dirname,
+  buildName: 'xstyled-core',
+  pkg,
+})

packages/core/src/createBox.js

@@ -0,0 +1,5 @@
+import { system } from '@xstyled/system'
+
+export function createBox() {
+  return [`&&{`, system, `}`]
+}

packages/core/src/index.js

@@ -0,0 +1,4 @@
+export * from './createBox'
+export * from './propGetters'
+export * from './transform'
+export * from './util'

packages/core/src/transform.js

@@ -0,0 +1,30 @@
+/* eslint-disable no-continue, no-loop-func, no-cond-assign */
+import { propGetters } from './propGetters'
+
+const PROP_REGEXP = /(\s*)([^&{}:;\n]+):\s*([^&{}:;\n]+)(\s*);/g
+const IMPORTANT_REGEXP = /\s*!important\s*/
+
+export function transform(rawValue) {
+  if (typeof rawValue !== 'string') return rawValue
+  let matches
+  let lastIndex = 0
+  const values = []
+  while ((matches = PROP_REGEXP.exec(rawValue))) {
+    const [, start, prop, propValue, end] = matches
+    const getter = propGetters[prop]
+    if (getter) {
+      const hasImportant = IMPORTANT_REGEXP.test(propValue)
+      const cleanValue = propValue.replace(IMPORTANT_REGEXP, '')
+      values.push(rawValue.slice(lastIndex, matches.index))
+      values.push(
+        p =>
+          `${start}${prop}: ${getter(cleanValue)(p)}${
+            hasImportant ? ' !important' : ''
+          };${end}`,
+      )
+      lastIndex = matches.index + matches[0].length
+    }
+  }
+  values.push(rawValue.slice(lastIndex, rawValue.length))
+  return values
+}