egirlskey/packages/frontend/.storybook/preview.ts

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import { addons } from '@storybook/addons';
import { FORCE_REMOUNT } from '@storybook/core-events';
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import { type Preview, setup } from '@storybook/vue3';
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import isChromatic from 'chromatic/isChromatic';
import { initialize, mswDecorator } from 'msw-storybook-addon';
import locale from './locale';
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import { commonHandlers, onUnhandledRequest } from './mocks';
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import themes from './themes';
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import '../src/style.scss';
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const appInitialized = Symbol();
let moduleInitialized = false;
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let unobserve = () => {};
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let misskeyOS = null;
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function loadTheme(applyTheme: typeof import('../src/scripts/theme')['applyTheme']) {
unobserve();
const theme = themes[document.documentElement.dataset.misskeyTheme];
if (theme) {
applyTheme(themes[document.documentElement.dataset.misskeyTheme]);
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} else if (isChromatic()) {
applyTheme(themes['l-light']);
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}
const observer = new MutationObserver((entries) => {
for (const entry of entries) {
if (entry.attributeName === 'data-misskey-theme') {
const target = entry.target as HTMLElement;
const theme = themes[target.dataset.misskeyTheme];
if (theme) {
applyTheme(themes[target.dataset.misskeyTheme]);
} else {
target.removeAttribute('style');
}
}
}
});
observer.observe(document.documentElement, {
attributes: true,
attributeFilter: ['data-misskey-theme'],
});
unobserve = () => observer.disconnect();
}
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initialize({
onUnhandledRequest,
});
localStorage.setItem("locale", JSON.stringify(locale));
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queueMicrotask(() => {
Promise.all([
import('../src/components'),
import('../src/directives'),
import('../src/widgets'),
import('../src/scripts/theme'),
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import('../src/os'),
]).then(([{ default: components }, { default: directives }, { default: widgets }, { applyTheme }, os]) => {
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setup((app) => {
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moduleInitialized = true;
if (app[appInitialized]) {
return;
}
app[appInitialized] = true;
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loadTheme(applyTheme);
components(app);
directives(app);
widgets(app);
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misskeyOS = os;
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});
});
});
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const preview = {
decorators: [
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(Story, context) => {
const story = Story();
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if (!moduleInitialized) {
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const channel = addons.getChannel();
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(globalThis.requestIdleCallback || setTimeout)(() => {
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channel.emit(FORCE_REMOUNT, { storyId: context.id });
});
}
return story;
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},
mswDecorator,
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(Story, context) => {
return {
setup() {
return {
context,
popups: misskeyOS.popups,
};
},
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template:
'<component :is="popup.component" v-for="popup in popups" :key="popup.id" v-bind="popup.props" v-on="popup.events"/>' +
'<story />',
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};
},
],
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parameters: {
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controls: {
exclude: /^__/,
},
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msw: {
handlers: commonHandlers,
},
},
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} satisfies Preview;
export default preview;