8d06a6475e
* chore: 著作権とライセンスについての情報を各ファイルに追加する * chore: Add the SPDX information to each file Add copyright and licensing information as defined in version 3.0 of the REUSE Specification. * tweak format --------- Co-authored-by: syuilo <Syuilotan@yahoo.co.jp> * chore: Add SPDX-License-Identifier [skip ci] * add missing SPDX-License-Identifier * remove unused file --------- Co-authored-by: Shun Sakai <sorairolake@protonmail.ch> Co-authored-by: syuilo <Syuilotan@yahoo.co.jp> Co-authored-by: Chocolate Pie <106949016+chocolate-pie@users.noreply.github.com>
28 lines
712 B
TypeScript
28 lines
712 B
TypeScript
/*
|
|
* SPDX-FileCopyrightText: syuilo and other misskey contributors
|
|
* SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
|
|
import { Plugin } from 'chart.js';
|
|
|
|
export const chartVLine = (vLineColor: string) => ({
|
|
id: 'vLine',
|
|
beforeDraw(chart, args, options) {
|
|
if (chart.tooltip?._active?.length) {
|
|
const ctx = chart.ctx;
|
|
const xs = chart.tooltip._active.map(a => a.element.x);
|
|
const x = xs.reduce((a, b) => a + b, 0) / xs.length;
|
|
const topY = chart.scales.y.top;
|
|
const bottomY = chart.scales.y.bottom;
|
|
|
|
ctx.save();
|
|
ctx.beginPath();
|
|
ctx.moveTo(x, bottomY);
|
|
ctx.lineTo(x, topY);
|
|
ctx.lineWidth = 1;
|
|
ctx.strokeStyle = vLineColor;
|
|
ctx.stroke();
|
|
ctx.restore();
|
|
}
|
|
},
|
|
}) as Plugin;
|