Files
brk/website_next/learn/charts/timeframes.js
T
2026-06-07 16:11:42 +02:00

75 lines
2.0 KiB
JavaScript

import { createChartSetting } from "./setting.js";
const timeframes = /** @type {const} */ ({
"1d": { index: "minute10", count: 144 },
"1w": { index: "hour1", count: 168 },
"1m": { index: "hour4", count: 186 },
"1y": { index: "day1", count: 366 },
"4y": { index: "day3", count: 488 },
"8y": { index: "week1", count: 418 },
all: { index: "week1" },
});
const options = /** @type {const} */ ([
{ value: "1d", label: "1d" },
{ value: "1w", label: "1w" },
{ value: "1m", label: "1m" },
{ value: "1y", label: "1y" },
{ value: "4y", label: "4y" },
{ value: "8y", label: "8y" },
{ value: "all", label: "all" },
]);
const setting = createChartSetting({
storageKey: "timeframe",
legend: "Time",
options,
defaultValue: "all",
});
/** @param {string} chartKey */
export function getDefaultTimeframe(chartKey) {
return setting.get(chartKey);
}
/**
* @param {string} chartKey
* @param {TimeframeValue} timeframe
*/
export function saveTimeframe(chartKey, timeframe) {
setting.save(chartKey, timeframe);
}
/**
* @param {TimeframeValue} currentTimeframe
* @param {(timeframe: TimeframeValue) => void} onChange
*/
export function createTimeframeControl(currentTimeframe, onChange) {
return setting.create(currentTimeframe, onChange);
}
/**
* @param {TimeframeMetric} metric
* @param {TimeframeValue} timeframe
*/
export function fetchTimeframe(metric, timeframe) {
const config = timeframes[timeframe];
const endpoint = metric.by[config.index];
return "count" in config
? endpoint.last(config.count).fetch()
: endpoint.fetch();
}
/** @typedef {(typeof options)[number]["value"]} TimeframeValue */
/** @typedef {(typeof timeframes)[TimeframeValue]["index"]} TimeframeIndex */
/**
* @typedef {Object} TimeframeEndpoint
* @property {() => Promise<import("./index.js").ChartResult>} fetch
* @property {(count: number) => { fetch: () => Promise<import("./index.js").ChartResult> }} last
*/
/**
* @typedef {Object} TimeframeMetric
* @property {Record<TimeframeIndex, TimeframeEndpoint>} by
*/