Break out the web/native image picking code and make some progress on the web version

src/view/com/modals/crop-image/CropImage.tsx

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+/**
+ * NOTE
+ * This modal is used only in the web build
+ * Native uses a third-party library
+ */
+
+export const snapPoints = ['0%']
+
+export function Component() {
+  return null
+}

src/view/com/modals/crop-image/CropImage.web.tsx

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+import React from 'react'
+import {StyleSheet, TouchableOpacity, View} from 'react-native'
+import ImageEditor from 'react-avatar-editor'
+import {Slider} from '@miblanchard/react-native-slider'
+import LinearGradient from 'react-native-linear-gradient'
+import {Text} from '../../util/text/Text'
+import {PickedMedia} from '../../util/images/image-crop-picker/types'
+import {s, gradients} from '../../../lib/styles'
+import {useStores} from '../../../../state'
+import {usePalette} from '../../../lib/hooks/usePalette'
+import {SquareIcon, RectWideIcon, RectTallIcon} from '../../../lib/icons'
+
+enum AspectRatio {
+  Square = 'square',
+  Wide = 'wide',
+  Tall = 'tall',
+}
+interface Dim {
+  width: number
+  height: number
+}
+const DIMS: Record<string, Dim> = {
+  [AspectRatio.Square]: {width: 1000, height: 1000},
+  [AspectRatio.Wide]: {width: 1000, height: 750},
+  [AspectRatio.Tall]: {width: 750, height: 1000},
+}
+
+export const snapPoints = ['0%']
+
+export function Component({
+  uri,
+  onSelect,
+}: {
+  uri: string
+  onSelect: (img?: PickedMedia) => void
+}) {
+  const store = useStores()
+  const pal = usePalette('default')
+  const [as, setAs] = React.useState<AspectRatio>(AspectRatio.Square)
+  const [scale, setScale] = React.useState<number>(1)
+
+  const doSetAs = (v: AspectRatio) => () => setAs(v)
+
+  const onPressCancel = () => {
+    onSelect(undefined)
+    store.shell.closeModal()
+  }
+  const onPressDone = () => {
+    console.log('TODO')
+    onSelect(undefined) // TODO
+    store.shell.closeModal()
+  }
+
+  let cropperStyle
+  if (as === AspectRatio.Square) {
+    cropperStyle = styles.cropperSquare
+  } else if (as === AspectRatio.Wide) {
+    cropperStyle = styles.cropperWide
+  } else if (as === AspectRatio.Tall) {
+    cropperStyle = styles.cropperTall
+  }
+  return (
+    <View>
+      <View style={[styles.cropper, cropperStyle]}>
+        <ImageEditor
+          style={styles.imageEditor}
+          image={uri}
+          width={DIMS[as].width}
+          height={DIMS[as].height}
+          scale={scale}
+        />
+      </View>
+      <View style={styles.ctrls}>
+        <Slider
+          value={scale}
+          onValueChange={(v: number | number[]) =>
+            setScale(Array.isArray(v) ? v[0] : v)
+          }
+          minimumValue={1}
+          maximumValue={3}
+          containerStyle={styles.slider}
+        />
+        <TouchableOpacity onPress={doSetAs(AspectRatio.Wide)}>
+          <RectWideIcon
+            size={24}
+            style={as === AspectRatio.Wide ? s.blue3 : undefined}
+          />
+        </TouchableOpacity>
+        <TouchableOpacity onPress={doSetAs(AspectRatio.Tall)}>
+          <RectTallIcon
+            size={24}
+            style={as === AspectRatio.Tall ? s.blue3 : undefined}
+          />
+        </TouchableOpacity>
+        <TouchableOpacity onPress={doSetAs(AspectRatio.Square)}>
+          <SquareIcon
+            size={24}
+            style={as === AspectRatio.Square ? s.blue3 : undefined}
+          />
+        </TouchableOpacity>
+      </View>
+      <View style={styles.btns}>
+        <TouchableOpacity onPress={onPressCancel}>
+          <Text type="xl" style={pal.link}>
+            Cancel
+          </Text>
+        </TouchableOpacity>
+        <View style={s.flex1} />
+        <TouchableOpacity onPress={onPressDone}>
+          <LinearGradient
+            colors={[gradients.blueLight.start, gradients.blueLight.end]}
+            start={{x: 0, y: 0}}
+            end={{x: 1, y: 1}}
+            style={[styles.btn]}>
+            <Text type="xl-medium" style={s.white}>
+              Done
+            </Text>
+          </LinearGradient>
+        </TouchableOpacity>
+      </View>
+    </View>
+  )
+}
+
+const styles = StyleSheet.create({
+  cropper: {
+    marginLeft: 'auto',
+    marginRight: 'auto',
+  },
+  cropperSquare: {
+    width: 400,
+    height: 400,
+  },
+  cropperWide: {
+    width: 400,
+    height: 300,
+  },
+  cropperTall: {
+    width: 300,
+    height: 400,
+  },
+  imageEditor: {
+    maxWidth: '100%',
+  },
+  ctrls: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    marginTop: 10,
+  },
+  slider: {
+    flex: 1,
+    marginRight: 10,
+  },
+  btns: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    marginTop: 10,
+  },
+  btn: {
+    borderRadius: 4,
+    paddingVertical: 8,
+    paddingHorizontal: 24,
+  },
+})