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c548ec9906
* wip * wip * wip * wip * revert unnecessary changes * wip * refactor(frontend): enforce verbatimModuleSyntax * fix * refactor(frontend-shared): enforce verbatimModuleSyntax * wip * refactor(frontend-embed): enforce verbatimModuleSyntax * enforce consistent-type-imports * fix lint config * attemt to fix ci * fix lint * fix * fix * fix
29 lines
706 B
TypeScript
29 lines
706 B
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import type { Plugin } from 'chart.js';
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export const chartVLine = (vLineColor: string) => ({
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id: 'vLine',
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beforeDraw(chart, args, options) {
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if (chart.tooltip?._active?.length) {
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const ctx = chart.ctx;
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const xs = chart.tooltip._active.map(a => a.element.x);
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const x = xs.reduce((a, b) => a + b, 0) / xs.length;
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const topY = chart.scales.y.top;
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const bottomY = chart.scales.y.bottom;
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ctx.save();
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ctx.beginPath();
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ctx.moveTo(x, bottomY);
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ctx.lineTo(x, topY);
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ctx.lineWidth = 1;
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ctx.strokeStyle = vLineColor;
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ctx.stroke();
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ctx.restore();
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}
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},
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}) as Plugin;
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