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Pre-MVP Work #576

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4 changes: 1 addition & 3 deletions .storybook/main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -22,9 +22,7 @@ export default {
options: {},
},

features: {
viewport: true,
},
features: {},

async viteFinal(config, { configType }) {
config.base = process.env.BASE_PATH || config.base;
Expand Down
218 changes: 0 additions & 218 deletions .storybook/preview.js
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Original file line number Diff line number Diff line change
@@ -1,225 +1,9 @@
import React from 'react';
import '@fontsource-variable/source-sans-3';
import '../src/assets/styles/_shared.scss';
import themeCFPB from './themeCFPB';

const responsivePreviewQueryParameter = 'responsivePreview';

const viewportOptions = {
desktop: {
name: 'Desktop (901px and above)',
styles: {
width: '1280px',
height: '900px',
},
type: 'desktop',
},
tablet: {
name: 'Tablet (601-900px)',
styles: {
width: '900px',
height: '1024px',
},
type: 'tablet',
},
phone: {
name: 'Phone (600px and below)',
styles: {
width: '600px',
height: '844px',
},
type: 'mobile',
},
};

const responsivePreviewOptions = Object.entries(viewportOptions);

const shouldRenderSinglePreview = (context) => {
const searchParameters = new URLSearchParams(globalThis.location.search);

return (
context.viewMode !== 'story' ||
context.globals.responsivePreview !== 'all' ||
searchParameters.get(responsivePreviewQueryParameter) === 'off'
);
};

const getPreviewSource = (storyId) => {
const url = new URL(globalThis.location.href);

url.search = '';
url.searchParams.set('id', storyId);
url.searchParams.set('viewMode', 'story');
url.searchParams.set(responsivePreviewQueryParameter, 'off');

return url.toString();
};

const getFrameHeight = (frame) => {
const frameDocument = frame.contentDocument;

if (!frameDocument) return 0;

const { body, documentElement } = frameDocument;
const storyRoot = frameDocument.getElementById('storybook-root');

if (storyRoot) {
const bodyStyles = frame.contentWindow?.getComputedStyle(body);
const verticalPadding =
parseFloat(bodyStyles?.paddingTop ?? '0') +
parseFloat(bodyStyles?.paddingBottom ?? '0');
const rootTop = storyRoot.getBoundingClientRect().top;
const contentBottom = Array.from(storyRoot.querySelectorAll('*')).reduce(
(bottom, element) =>
Math.max(bottom, element.getBoundingClientRect().bottom),
storyRoot.getBoundingClientRect().bottom,
);

return Math.ceil(
Math.max(
storyRoot.getBoundingClientRect().height,
storyRoot.scrollHeight,
storyRoot.offsetHeight,
contentBottom - rootTop,
) + verticalPadding,
);
}

return Math.max(
body?.scrollHeight ?? 0,
body?.offsetHeight ?? 0,
documentElement?.scrollHeight ?? 0,
documentElement?.offsetHeight ?? 0,
);
};

const ResponsivePreviewFrame = ({ storyId, viewport }) => {
const [height, setHeight] = React.useState(240);

const updateHeight = React.useCallback((frame) => {
const measuredHeight = getFrameHeight(frame);

setHeight(Math.max(measuredHeight + 16, 160));
}, []);

return React.createElement('iframe', {
onLoad: (event) => {
const frame = event.currentTarget;
const frameWindow = frame.contentWindow;
const frameDocument = frame.contentDocument;

updateHeight(frame);
frameWindow?.requestAnimationFrame(() => updateHeight(frame));
frameWindow?.setTimeout(() => updateHeight(frame), 250);

frameWindow?.addEventListener('resize', () => updateHeight(frame));

if (frameWindow?.ResizeObserver && frameDocument) {
const observer = new frameWindow.ResizeObserver(() =>
updateHeight(frame),
);
const storyRoot = frameDocument.getElementById('storybook-root');

observer.observe(frameDocument.documentElement);
observer.observe(frameDocument.body);

if (storyRoot) observer.observe(storyRoot);
}
},
src: getPreviewSource(storyId),
title: `${viewport.name} preview`,
style: {
background: 'white',
border: '1px solid #d0d0ce',
boxSizing: 'border-box',
height,
width: viewport.styles.width,
},
});
};

const renderResponsivePreviews = (Story, context) => {
if (shouldRenderSinglePreview(context)) {
return React.createElement(Story);
}

return React.createElement(
'div',
{
style: {
boxSizing: 'border-box',
display: 'grid',
gap: '24px',
overflowX: 'auto',
padding: '24px',
},
},
responsivePreviewOptions.map(([key, viewport]) =>
React.createElement(
'section',
{
key,
style: {
display: 'grid',
gap: '8px',
justifyItems: 'start',
},
},
React.createElement(
'div',
{
style: {
color: '#5a5d61',
fontFamily: 'Source Sans 3 Variable, sans-serif',
fontSize: '14px',
fontWeight: 600,
lineHeight: 1.25,
},
},
`${viewport.name}`,
),
React.createElement(ResponsivePreviewFrame, {
storyId: context.id,
viewport,
}),
),
),
);
};

export const globalTypes = {
responsivePreview: {
name: 'Responsive preview',
description: 'Preview the current story at every configured viewport',
toolbar: {
icon: 'browser',
items: [
{ value: 'single', title: 'Single viewport' },
{ value: 'all', title: 'All viewports' },
],
},
},
};

export const initialGlobals = {
responsivePreview: 'single',
viewport: {
value: 'responsive',
},
};

export const decorators = [renderResponsivePreviews];

export const preview = {
globalTypes,

initialGlobals,

parameters: {
viewport: {
options: viewportOptions,
},

options: {
// Determines the display order of Stories in the sidebar
storySort: {
Expand Down Expand Up @@ -275,8 +59,6 @@ export const preview = {
},

tags: ['autodocs'],

decorators,
};

export default preview;
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