Story for Composer

.storybook/preview.js

@@ -2,6 +2,7 @@ import React from 'react';
 import Onyx from 'react-native-onyx';
 import '../assets/css/fonts.css';
 import ComposeProviders from '../src/components/ComposeProviders';
+import HTMLEngineProvider from '../src/components/HTMLEngineProvider';
 import OnyxProvider from '../src/components/OnyxProvider';
 import {LocaleContextProvider} from '../src/components/withLocalize';
 import ONYXKEYS from '../src/ONYXKEYS';
@@ -16,6 +17,7 @@ const decorators = [
             components={[
                 OnyxProvider,
                 LocaleContextProvider,
+                HTMLEngineProvider,
             ]}
         >
             <Story />

src/stories/Composer.stories.js

@@ -0,0 +1,120 @@
+import ExpensiMark from 'expensify-common/lib/ExpensiMark';
+import React, {useState} from 'react';
+import lodashGet from 'lodash/get';
+import {View, Image} from 'react-native';
+import Composer from '../components/Composer';
+import RenderHTML from '../components/RenderHTML';
+import Text from '../components/Text';
+import styles from '../styles/styles';
+import themeColors from '../styles/themes/default';
+import * as StyleUtils from '../styles/StyleUtils';
+import CONST from '../CONST';
+
+/**
+ * We use the Component Story Format for writing stories. Follow the docs here:
+ *
+ * https://storybook.js.org/docs/react/writing-stories/introduction#component-story-format
+ */
+const story = {
+    title: 'Components/Composer',
+    component: Composer,
+};
+
+const parser = new ExpensiMark();
+
+const Default = (args) => {
+    const [pastedFile, setPastedFile] = useState(null);
+    const [comment, setComment] = useState(args.defaultValue);
+    const renderedHTML = parser.replace(comment);
+    const [droppingFile, setDroppingFile] = useState(false);
+    const [isComposerDroppingTarget, setIsComposerDroppingTarget] = useState(false);
+
+    return (
+        <View>
+            <View style={[styles.border, styles.p4, droppingFile && isComposerDroppingTarget && styles.borderColorFocus]}>
+                <Composer
+                    // eslint-disable-next-line react/jsx-props-no-spreading
+                    {...args}
+                    multiline
+                    textAlignVertical="top"
+                    onChangeText={setComment}
+                    onDragOver={(e, isOriginComposer) => {
+                        setIsComposerDroppingTarget(isOriginComposer);
+                        setDroppingFile(true);
+                    }}
+                    onDragLeave={() => {
+                        setIsComposerDroppingTarget(false);
+                        setDroppingFile(false);
+                    }}
+                    onDrop={(e) => {
+                        e.preventDefault();
+
+                        const file = lodashGet(e, ['dataTransfer', 'files', 0]);
+                        if (!file) {
+                            return;
+                        }
+
+                        setPastedFile(file);
+                    }}
+                    onPasteFile={setPastedFile}
+                    style={[styles.textInputCompose, styles.w100]}
+                />
+            </View>
+            <View style={[styles.flexRow, styles.mv5, styles.flexWrap, styles.w100]}>
+                <View
+                    style={[
+                        styles.border,
+                        styles.noLeftBorderRadius,
+                        styles.noRightBorderRadius,
+                        styles.p5,
+                        styles.flex1,
+                        droppingFile && !isComposerDroppingTarget && styles.borderColorFocus,
+                    ]}
+                    nativeID={CONST.REPORT.DROP_NATIVE_ID}
+                >
+                    <Text style={[styles.mb2, styles.formLabel]}>Entered Comment (Drop Enabled)</Text>
+                    <Text>{comment}</Text>
+                </View>
+                <View
+                    style={[
+                        styles.p5,
+                        styles.borderBottom,
+                        styles.borderRight,
+                        styles.borderTop,
+                        styles.flex1,
+                    ]}
+                >
+                    <Text style={[styles.mb2, styles.formLabel]}>Rendered Comment</Text>
+                    {Boolean(renderedHTML) && <RenderHTML html={renderedHTML} />}
+                    {pastedFile && (
+                        <View style={styles.mv3}>
+                            <Image
+                                source={{uri: URL.createObjectURL(pastedFile)}}
+                                resizeMode="contain"
+                                style={StyleUtils.getWidthAndHeightStyle(250, 250)}
+                            />
+                        </View>
+                    )}
+                </View>
+            </View>
+        </View>
+    );
+};
+
+Default.args = {
+    autoFocus: true,
+    placeholder: 'Compose Text Here',
+    placeholderTextColor: themeColors.placeholderText,
+    defaultValue: `Composer can do the following:
+
+     * It can contain MD e.g. *bold* _italic_
+     * Supports Pasted Images via Ctrl+V
+     * Supports Drag N Drop for files.`,
+    isDisabled: false,
+    maxLines: 16,
+};
+
+export default story;
+export {
+    Default,
+};