test(#10336): add components/MkC.* stories (#13830)

* test(storybook): add `components/MkC.*` stories

* test(storybook): add some tests

* test: add sleep

* test: comment-out flaky test

* test(storybook): add test for `MkChannelFollowButton`

* chore(storybook): tweak sleep duration in `MkChannelFollowButton` story test

* fix(chromatic): add delay to `MkChannelList`

* chore: replace `mswDecorator` with `mswLoader`

* fix(storybook): tweak some parameters

* chore: serve static files

* fix(chromatic): add delay to `MkCwButton`

* chore: delete logging for debug

* fix: add right click in `MkContextMenu` play

* refactor: remove unused imports

packages/frontend/src/components/MkChart.stories.impl.ts

@@ -0,0 +1,117 @@
+/*
+ * SPDX-FileCopyrightText: syuilo and misskey-project
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+/* eslint-disable @typescript-eslint/explicit-function-return-type */
+/* eslint-disable import/no-default-export */
+import { StoryObj } from '@storybook/vue3';
+import { DefaultBodyType, HttpResponse, HttpResponseResolver, JsonBodyType, PathParams, http } from 'msw';
+import seedrandom from 'seedrandom';
+import { action } from '@storybook/addon-actions';
+import { commonHandlers } from '../../.storybook/mocks.js';
+import MkChart from './MkChart.vue';
+
+function getChartArray(seed: string, limit: number, option?: { accumulate?: boolean, mul?: number }): number[] {
+	const rng = seedrandom(seed);
+	const max = Math.floor(option?.mul ?? 250 * rng());
+	let accumulation = 0;
+	const array: number[] = [];
+	for (let i = 0; i < limit; i++) {
+		const num = Math.floor((max + 1) * rng());
+		if (option?.accumulate) {
+			accumulation += num;
+			array.unshift(accumulation);
+		} else {
+			array.push(num);
+		}
+	}
+	return array;
+}
+
+function getChartResolver(fields: string[], option?: { accumulate?: boolean, mulMap?: Record<string, number> }): HttpResponseResolver<PathParams, DefaultBodyType, JsonBodyType> {
+	return ({ request }) => {
+		action(`GET ${request.url}`)();
+		const limitParam = new URL(request.url).searchParams.get('limit');
+		const limit = limitParam ? parseInt(limitParam) : 30;
+		const res = {};
+		for (const field of fields) {
+			const layers = field.split('.');
+			let current = res;
+			while (layers.length > 1) {
+				const currentKey = layers.shift()!;
+				if (current[currentKey] == null) current[currentKey] = {};
+				current = current[currentKey];
+			}
+			current[layers[0]] = getChartArray(field, limit, {
+				accumulate: option?.accumulate,
+				mul: option?.mulMap != null && field in option.mulMap ? option.mulMap[field] : undefined,
+			});
+		}
+		return HttpResponse.json(res);
+	};
+}
+
+const Base = {
+	render(args) {
+		return {
+			components: {
+				MkChart,
+			},
+			setup() {
+				return {
+					args,
+				};
+			},
+			computed: {
+				props() {
+					return {
+						...this.args,
+					};
+				},
+			},
+			template: '<MkChart v-bind="props" />',
+		};
+	},
+	args: {
+		src: 'federation',
+		span: 'hour',
+	},
+	parameters: {
+		layout: 'centered',
+		msw: {
+			handlers: [
+				...commonHandlers,
+				http.get('/api/charts/federation', getChartResolver(
+					['deliveredInstances', 'inboxInstances', 'stalled', 'sub', 'pub', 'pubsub', 'subActive', 'pubActive'],
+				)),
+				http.get('/api/charts/notes', getChartResolver(
+					['local.total', 'remote.total'],
+					{ accumulate: true },
+				)),
+				http.get('/api/charts/drive', getChartResolver(
+					['local.incSize', 'local.decSize', 'remote.incSize', 'remote.decSize'],
+					{ mulMap: { 'local.incSize': 1e7, 'local.decSize': 5e6, 'remote.incSize': 1e6, 'remote.decSize': 5e5 } },
+				)),
+			],
+		},
+	},
+} satisfies StoryObj<typeof MkChart>;
+export const FederationChart = {
+	...Base,
+	args: {
+		src: 'federation',
+	},
+} satisfies StoryObj<typeof MkChart>;
+export const NotesTotalChart = {
+	...Base,
+	args: {
+		src: 'notes-total',
+	},
+} satisfies StoryObj<typeof MkChart>;
+export const DriveChart = {
+	...Base,
+	args: {
+		src: 'drive',
+	},
+} satisfies StoryObj<typeof MkChart>;