feat: create Component interface

Author: streamich

.storybook/component.stories.tsx

@@ -0,0 +1,80 @@
+import {createElement as h} from 'react';
+import {storiesOf} from '@storybook/react';
+const {action} = require('@storybook/addon-actions');
+const {linkTo} = require('@storybook/addon-links');
+import {create} from '../index';
+import {addon as addonRule} from '../addon/rule';
+import {addon as addonCache} from '../addon/cache';
+import {addon as addonComponent} from '../addon/component';
+const renderer = create({h});
+addonRule(renderer);
+addonCache(renderer);
+addonComponent(renderer);
+const {Component} = renderer;
+
+
+class CssTest extends Component {
+    static css = {
+        border: '1px solid red'
+    };
+
+    render () {
+        return <div>Hello there</div>;
+    }
+}
+
+class Dynamic extends Component {
+    static css = {
+        border: '1px solid red'
+    };
+
+    css() {
+        return {
+            color: 'green'
+        };
+    }
+
+    render () {
+        return <div>Hello there</div>;
+    }
+}
+
+class Static extends Component {
+  static css = {
+    border: '1px dashed blue',
+  };
+
+  render () {
+    return <div>Hello there</div>;
+  }
+}
+
+class Static2 extends Component {
+  static css = {
+    border: '1px dashed blue',
+  };
+
+  css () {
+    return {
+      color: this.props.color
+    };
+  }
+
+  render () {
+    return <div>Hello there</div>;
+  }
+}
+
+storiesOf('Component', module)
+    .add('Default', () =>
+        h(CssTest as any)
+    )
+    .add('Dynamic styles', () =>
+        h(Dynamic as any)
+    )
+    .add('Static decorator', () =>
+        h(Static as any)
+    )
+    .add('Static dynamic styles', () =>
+        h(Static2 as any, {color: 'blue'})
+    )

addon/component.js

@@ -0,0 +1,26 @@
+'use strict';
+
+var React = require('react');
+var Component = React.Component;
+var transformComponentStatic = require('./util/transformComponentStatic');
+var transformComponentDynamic = require('./util/transformComponentDynamic');
+
+exports.addon = function (renderer) {
+    if (process.env.NODE_ENV !== 'production') {
+        require('./__dev__/warnOnMissingDependencies')('component', renderer, ['rule', 'cache']);
+    }
+
+    function CssComponent (props, context) {
+        Component.call(this, props, context);
+
+        var Comp = this.constructor;
+
+        if (Comp.css) transformComponentStatic(renderer, Comp.prototype, Comp.css);
+        if (this.css) transformComponentDynamic(renderer, Comp, this.css.bind(this));
+    }
+
+    CssComponent.prototype = Object.create(Component.prototype);
+    CssComponent.prototype.constructor = CssComponent;
+
+    renderer.Component = CssComponent;
+};