From a6b569e63d883150aec215480f4b570eb0f48897 Mon Sep 17 00:00:00 2001 From: Norbert de Langen Date: Wed, 12 Jul 2023 14:59:55 +0200 Subject: [PATCH] Merge pull request #23422 from storybookjs/fix/nextjs-inconsistent-snapshots Build: Fix inconsistent stories in nextjs example (cherry picked from commit f76b0606204ce7de0643bb3d0329a52f2058c13d) --- .../nextjs/template/stories/Image.stories.jsx | 41 +++++++++++++++++++ .../ImageFuture.stories.jsx | 5 +++ 2 files changed, 46 insertions(+) diff --git a/code/frameworks/nextjs/template/stories/Image.stories.jsx b/code/frameworks/nextjs/template/stories/Image.stories.jsx index bf3808282a6..ea5dea79a79 100644 --- a/code/frameworks/nextjs/template/stories/Image.stories.jsx +++ b/code/frameworks/nextjs/template/stories/Image.stories.jsx @@ -1,5 +1,6 @@ import React from 'react'; import Image from 'next/image'; +import { waitFor } from '@storybook/testing-library'; import StackAlt from '../../assets/colors.svg'; @@ -28,6 +29,11 @@ export const BlurredAbsolutePlaceholder = { 'data:image/png;base64,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', placeholder: 'blur', }, + parameters: { + // ignoring in Chromatic to avoid inconsistent snapshots + // given that the switch from blur to image is quite fast + chromatic: { disableSnapshot: true }, + }, }; export const FilledParent = { @@ -63,6 +69,25 @@ export const Lazy = { ), ], + loaders: [ + async () => { + // make sure we start at the top to test the scrolling into view functionality every time the story renders + // eslint-disable-next-line no-undef + window.scrollTo({ top: 0 }); + await new Promise((res) => { + setTimeout(res, 16); + }); + return {}; + }, + ], + play: async ({ canvasElement, step }) => { + await step('scroll image into view', () => { + canvasElement.scrollIntoView(false); + }); + await step('wait for images to load', async () => { + await waitFor(waitForImagesToLoad); + }); + }, }; export const Eager = { @@ -75,3 +100,19 @@ export const Eager = { }, }, }; + +async function waitForImagesToLoad() { + // eslint-disable-next-line no-undef + const images = Array.from(document.getElementsByTagName('img')); + + await Promise.all( + images.map((image) => { + if (image.complete) { + return Promise.resolve(); + } + return new Promise((resolve) => { + image.addEventListener('load', resolve); + }); + }) + ); +} diff --git a/code/frameworks/nextjs/template/stories_nextjs-12-js/ImageFuture.stories.jsx b/code/frameworks/nextjs/template/stories_nextjs-12-js/ImageFuture.stories.jsx index 3c65960d585..7aa80447197 100644 --- a/code/frameworks/nextjs/template/stories_nextjs-12-js/ImageFuture.stories.jsx +++ b/code/frameworks/nextjs/template/stories_nextjs-12-js/ImageFuture.stories.jsx @@ -28,6 +28,11 @@ export const BlurredAbsolutePlaceholder = { 'data:image/png;base64,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', placeholder: 'blur', }, + parameters: { + // ignoring in Chromatic to avoid inconsistent snapshots + // given that the switch from blur to image is quite fast + chromatic: { disableSnapshot: true }, + }, }; export const FilledParent = {