50f50fa46c
Summary: This diff follows up on the previous one, by trying a larger icon size if the original requested icon size was missing. Reviewed By: lblasa Differential Revision: D46556076 fbshipit-source-id: 4a078088aa27390f247e39afeda4b1df261d8b30
109 lines
3.5 KiB
TypeScript
109 lines
3.5 KiB
TypeScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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*/
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import path from 'path';
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import fs from 'fs-extra';
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import fetch from '@adobe/node-fetch-retry';
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// eslint-disable-next-line node/no-extraneous-import
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import type {Icon} from 'flipper-ui-core';
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const AVAILABLE_SIZES: Icon['size'][] = [8, 10, 12, 16, 18, 20, 24, 28, 32];
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export type Icons = {
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[key: string]: Icon['size'][];
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};
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// Takes a string like 'star', or 'star-outline', and converts it to
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// {trimmedName: 'star', variant: 'filled'} or {trimmedName: 'star', variant: 'outline'}
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function getIconPartsFromName(icon: string): {
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trimmedName: string;
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variant: 'outline' | 'filled';
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} {
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const isOutlineVersion = icon.endsWith('-outline');
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const trimmedName = isOutlineVersion ? icon.replace('-outline', '') : icon;
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const variant = isOutlineVersion ? 'outline' : 'filled';
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return {trimmedName: trimmedName, variant: variant};
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}
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export async function downloadIcons(buildFolder: string) {
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const icons: Icons = JSON.parse(
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await fs.promises.readFile(path.join(buildFolder, 'icons.json'), {
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encoding: 'utf8',
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}),
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);
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const iconURLs = Object.entries(icons).reduce<Icon[]>(
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(acc, [entryName, sizes]) => {
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const {trimmedName: name, variant} = getIconPartsFromName(entryName);
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acc.push(
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// get icons in @1x and @2x
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...sizes.map((size) => ({name, variant, size, density: 1})),
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...sizes.map((size) => ({name, variant, size, density: 2})),
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);
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return acc;
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},
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[],
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);
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await Promise.all(
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iconURLs.map(async (icon) => {
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const sizeIndex = AVAILABLE_SIZES.indexOf(icon.size);
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if (sizeIndex === -1) {
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throw new Error('Size unavailable: ' + icon.size);
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}
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const sizesToTry = AVAILABLE_SIZES.slice(sizeIndex);
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while (sizesToTry.length) {
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// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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const size = sizesToTry.shift()!;
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const url = getPublicIconUrl({...icon, size});
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const res = await fetch(url);
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if (res.status !== 200) {
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// console.log(
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// // eslint-disable-next-line prettier/prettier
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// `Could not download the icon ${
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// icon.name
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// } at size ${size} from ${url}: got status ${
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// res.status
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// }. Will fallback to one of the sizes: ${sizesToTry.join(' or ')}`,
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// );
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// not available at this size, pick the next
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continue;
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}
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return new Promise((resolve, reject) => {
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const fileStream = fs.createWriteStream(
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path.join(buildFolder, buildLocalIconPath(icon)),
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);
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res.body.pipe(fileStream);
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res.body.on('error', reject);
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fileStream.on('finish', resolve);
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});
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}
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console.error(
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`Could not download the icon ${JSON.stringify(
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icon,
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)} from ${getPublicIconUrl(icon)}, didn't find any matching size`,
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);
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}),
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);
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}
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// should match flipper-ui-core/src/utils/icons.tsx
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export function getPublicIconUrl({name, variant, size, density}: Icon) {
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return `https://facebook.com/images/assets_DO_NOT_HARDCODE/facebook_icons/${name}_${variant}_${size}.png`;
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}
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// should match app/src/utils/icons.tsx
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function buildLocalIconPath(icon: Icon) {
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return path.join(
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'icons',
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`${icon.name}-${icon.variant}-${icon.size}@${icon.density}x.png`,
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);
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}
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