[NO QA] [TS migration] Migrate LinkPreviewer component to TypeScript

src/pages/home/report/LinkPreviewer.tsx

@@ -0,0 +1,120 @@
+import React from 'react';
+import {Image, View} from 'react-native';
+import Text from '@components/Text';
+import TextLink from '@components/TextLink';
+import useTheme from '@styles/themes/useTheme';
+import useStyleUtils from '@styles/useStyleUtils';
+import useThemeStyles from '@styles/useThemeStyles';
+import variables from '@styles/variables';
+
+const IMAGE_TYPES = ['jpg', 'jpeg', 'png'];
+const MAX_IMAGE_HEIGHT = 180;
+const MAX_IMAGE_WIDTH = 340;
+
+type ImageData = {
+    /** The height of the image. */
+    height: number;
+
+    /** The width of the image. */
+    width: number;
+
+    /** The URL of the image. */
+    url: string;
+
+    /** The type of the image. */
+    type?: string;
+};
+
+type LinkMetadata = {
+    /** The URL of the link. */
+    url?: string;
+
+    /** A description of the link. */
+    description?: string;
+
+    /** The title of the link. */
+    title?: string;
+
+    /** The publisher of the link. */
+    publisher?: string;
+
+    /** The image associated with the link. */
+    image?: ImageData;
+
+    /** The provider logo associated with the link. */
+    logo?: ImageData;
+};
+
+type LinkPreviewerProps = {
+    /** Data about links provided in message. */
+    linkMetadata?: LinkMetadata[];
+
+    /** Maximum amount of visible link previews. -1 means unlimited amount of previews */
+    maxAmountOfPreviews?: number;
+};
+
+function LinkPreviewer({linkMetadata = [], maxAmountOfPreviews = -1}: LinkPreviewerProps) {
+    const theme = useTheme();
+    const styles = useThemeStyles();
+    const StyleUtils = useStyleUtils();
+    const uniqueLinks = linkMetadata.filter((link, index, self) => self.findIndex((t) => t.url === link.url) === index);
+    const linksToShow = uniqueLinks.slice(0, maxAmountOfPreviews >= 0 ? Math.min(maxAmountOfPreviews, linkMetadata.length) : linkMetadata.length);
+    return linksToShow.map((linkData) => {
+        const {description, image, title, logo, publisher, url} = linkData;
+        return (
+            linkData && (
+                <View
+                    style={styles.linkPreviewWrapper}
+                    key={url}
+                >
+                    <View style={styles.flexRow}>
+                        {logo && (
+                            <Image
+                                style={styles.linkPreviewLogoImage}
+                                source={{uri: logo.url}}
+                            />
+                        )}
+                        {publisher && (
+                            <Text
+                                fontSize={variables.fontSizeLabel}
+                                style={styles.pl2}
+                            >
+                                {publisher}
+                            </Text>
+                        )}
+                    </View>
+                    {title && url && (
+                        <TextLink
+                            fontSize={variables.fontSizeNormal}
+                            style={[styles.mv2, StyleUtils.getTextColorStyle(theme.link), styles.alignSelfStart]}
+                            href={url}
+                        >
+                            {title}
+                        </TextLink>
+                    )}
+                    {description && <Text fontSize={variables.fontSizeNormal}>{description}</Text>}
+                    {image?.type && IMAGE_TYPES.includes(image.type) && (
+                        <Image
+                            style={[
+                                styles.linkPreviewImage,
+                                {
+                                    aspectRatio: image.width / image.height,
+                                    maxHeight: Math.min(image.height, MAX_IMAGE_HEIGHT),
+
+                                    // Calculate maximum width when image is too tall, so it doesn't move away from left
+                                    maxWidth: Math.min((Math.min(image.height, MAX_IMAGE_HEIGHT) / image.height) * image.width, MAX_IMAGE_WIDTH),
+                                },
+                            ]}
+                            resizeMode="contain"
+                            source={{uri: image.url}}
+                        />
+                    )}
+                </View>
+            )
+        );
+    });
+}
+
+LinkPreviewer.displayName = 'ReportLinkPreview';
+
+export default LinkPreviewer;