Files
brk/websites/kibo.money/packages/lightweight-charts/wrapper.js
2025-03-25 20:55:47 +01:00

1738 lines
50 KiB
JavaScript

// @ts-check
/**
* @import { DeepPartial, ChartOptions, IChartApi, IHorzScaleBehavior, WhitespaceData, SingleValueData, ISeriesApi, Time, LogicalRange, SeriesType, BaselineStyleOptions, SeriesOptionsCommon, createChart as CreateClassicChart, createChartEx as CreateCustomChart } from "./v5.0.4/types"
* @import { Timestamp } from '../../scripts/types/self';
*/
export default import("./v5.0.4/script.js").then((lc) => {
/**
* @param {string} index
*/
function indexToLSKey(index) {
return `${"chart-range"}-${index}`;
}
const createClassicChart = /** @type {CreateClassicChart} */ (lc.createChart);
const createCustomChart = /** @type {CreateCustomChart} */ (lc.createChartEx);
/**
* @class
* @implements {IHorzScaleBehavior<number>}
*/
class HorzScaleBehaviorHeight {
options() {
return /** @type {any} */ (undefined);
}
setOptions() {}
preprocessData() {}
updateFormatter() {}
createConverterToInternalObj() {
/** @type {(p: any) => any} */
return (price) => price;
}
/** @param {any} item */
key(item) {
return item;
}
/** @param {any} item */
cacheKey(item) {
return item;
}
/** @param {any} item */
convertHorzItemToInternal(item) {
return item;
}
/** @param {any} item */
formatHorzItem(item) {
return item;
}
/** @param {any} tickMark */
formatTickmark(tickMark) {
return tickMark.time.toLocaleString("en-us");
}
/** @param {any} tickMarks */
maxTickMarkWeight(tickMarks) {
return tickMarks.reduce(this.getMarkWithGreaterWeight, tickMarks[0])
.weight;
}
/**
* @param {any} sortedTimePoints
* @param {number} startIndex
*/
fillWeightsForPoints(sortedTimePoints, startIndex) {
for (let index = startIndex; index < sortedTimePoints.length; ++index) {
sortedTimePoints[index].timeWeight = this.computeHeightWeight(
sortedTimePoints[index].time,
);
}
}
/**
* @param {any} a
* @param {any} b
*/
getMarkWithGreaterWeight(a, b) {
return a.weight > b.weight ? a : b;
}
/** @param {number} value */
computeHeightWeight(value) {
// if (value === Math.ceil(value / 1000000) * 1000000) {
// return 12;
// }
if (value === Math.ceil(value / 100000) * 100000) {
return 11;
}
if (value === Math.ceil(value / 10000) * 10000) {
return 10;
}
if (value === Math.ceil(value / 1000) * 1000) {
return 9;
}
if (value === Math.ceil(value / 100) * 100) {
return 8;
}
if (value === Math.ceil(value / 50) * 50) {
return 7;
}
if (value === Math.ceil(value / 25) * 25) {
return 6;
}
if (value === Math.ceil(value / 10) * 10) {
return 5;
}
if (value === Math.ceil(value / 5) * 5) {
return 4;
}
if (value === Math.ceil(value)) {
return 3;
}
if (value * 2 === Math.ceil(value * 2)) {
return 1;
}
return 0;
}
}
const oklchToRGBA = (() => {
{
/**
*
* @param {readonly [number, number, number, number, number, number, number, number, number]} A
* @param {readonly [number, number, number]} B
* @returns
*/
function multiplyMatrices(A, B) {
return /** @type {const} */ ([
A[0] * B[0] + A[1] * B[1] + A[2] * B[2],
A[3] * B[0] + A[4] * B[1] + A[5] * B[2],
A[6] * B[0] + A[7] * B[1] + A[8] * B[2],
]);
}
/**
* @param {readonly [number, number, number]} param0
*/
function oklch2oklab([l, c, h]) {
return /** @type {const} */ ([
l,
isNaN(h) ? 0 : c * Math.cos((h * Math.PI) / 180),
isNaN(h) ? 0 : c * Math.sin((h * Math.PI) / 180),
]);
}
/**
* @param {readonly [number, number, number]} rgb
*/
function srgbLinear2rgb(rgb) {
return rgb.map((c) =>
Math.abs(c) > 0.0031308
? (c < 0 ? -1 : 1) * (1.055 * Math.abs(c) ** (1 / 2.4) - 0.055)
: 12.92 * c,
);
}
/**
* @param {readonly [number, number, number]} lab
*/
function oklab2xyz(lab) {
const LMSg = multiplyMatrices(
/** @type {const} */ ([
1, 0.3963377773761749, 0.2158037573099136, 1, -0.1055613458156586,
-0.0638541728258133, 1, -0.0894841775298119, -1.2914855480194092,
]),
lab,
);
const LMS = /** @type {[number, number, number]} */ (
LMSg.map((val) => val ** 3)
);
return multiplyMatrices(
/** @type {const} */ ([
1.2268798758459243, -0.5578149944602171, 0.2813910456659647,
-0.0405757452148008, 1.112286803280317, -0.0717110580655164,
-0.0763729366746601, -0.4214933324022432, 1.5869240198367816,
]),
LMS,
);
}
/**
* @param {readonly [number, number, number]} xyz
*/
function xyz2rgbLinear(xyz) {
return multiplyMatrices(
[
3.2409699419045226, -1.537383177570094, -0.4986107602930034,
-0.9692436362808796, 1.8759675015077202, 0.04155505740717559,
0.05563007969699366, -0.20397695888897652, 1.0569715142428786,
],
xyz,
);
}
/** @param {string} oklch */
return function (oklch) {
oklch = oklch.replace("oklch(", "");
oklch = oklch.replace(")", "");
const lch = oklch.split(" ").map((v, i) => {
if (!i && v.includes("%")) {
return Number(v.replace("%", "")) / 100;
} else {
return Number(v);
}
});
const rgb = srgbLinear2rgb(
xyz2rgbLinear(
oklab2xyz(
oklch2oklab(/** @type {[number, number, number]} */ (lch)),
),
),
).map((v) => {
return Math.max(Math.min(Math.round(v * 255), 255), 0);
});
return [...rgb, 1];
};
}
})();
/**
* @param {Object} args
* @param {HTMLElement} args.element
* @param {Signals} args.signals
* @param {Colors} args.colors
* @param {Index} args.index
* @param {Utilities} args.utils
* @param {DeepPartial<ChartOptions>} [args.options]
*/
function createLightweightChart({
element,
signals,
colors,
index,
utils,
options: _options = {},
}) {
/** @satisfies {DeepPartial<ChartOptions>} */
const options = {
autoSize: true,
layout: {
fontFamily: "Satoshi",
fontSize: 13.5,
background: { color: "transparent" },
attributionLogo: false,
colorSpace: "display-p3",
colorParsers: [oklchToRGBA],
},
grid: {
vertLines: { visible: false },
horzLines: { visible: false },
},
timeScale: {
minBarSpacing: 0.1,
shiftVisibleRangeOnNewBar: false,
allowShiftVisibleRangeOnWhitespaceReplacement: false,
},
handleScale: {
axisDoubleClickReset: {
time: false,
},
},
localization: {
priceFormatter: utils.locale.numberToShortUSFormat,
locale: "en-us",
},
..._options,
};
/** @type {IChartApi} */
let chart;
if (index === /** @satisfies {Timestamp} */ (-1)) {
chart = createClassicChart(element, options);
} else {
const horzScaleBehavior = new HorzScaleBehaviorHeight();
// @ts-ignore
chart = createCustomChart(element, horzScaleBehavior, options);
}
chart.priceScale("right").applyOptions({
scaleMargins: {
top: 0.075,
bottom: 0.05,
},
minimumWidth: 78,
});
signals.createEffect(
() => ({
defaultColor: colors.default(),
offColor: colors.off(),
}),
({ defaultColor, offColor }) => {
console.log(defaultColor, offColor);
chart.applyOptions({
layout: {
textColor: offColor,
},
rightPriceScale: {
borderVisible: false,
},
timeScale: {
borderVisible: false,
},
crosshair: {
horzLine: {
color: defaultColor,
labelBackgroundColor: defaultColor,
},
vertLine: {
color: defaultColor,
labelBackgroundColor: defaultColor,
},
},
});
},
);
return chart;
}
/**
* @type {DeepPartial<SeriesOptionsCommon>}
*/
const defaultSeriesOptions = {
// @ts-ignore
lineWidth: 1.5,
priceLineVisible: false,
baseLineVisible: false,
baseLineColor: "",
};
// function initWhitespace() {
// const whitespaceStartDate = new Date("1970-01-01");
// const whitespaceStartDateYear = whitespaceStartDate.getUTCFullYear();
// const whitespaceStartDateMonth = whitespaceStartDate.getUTCMonth();
// const whitespaceStartDateDate = whitespaceStartDate.getUTCDate();
// const whitespaceEndDate = new Date("2141-01-01");
// let whitespaceDateDataset =
// /** @type {(WhitespaceData | SingleValueData)[]} */ ([]);
// /**
// * @param {Object} param0
// * @param {Utilities} param0.utils
// */
// function initDateWhitespace({ utils }) {
// whitespaceDateDataset = new Array(
// utils.getNumberOfDaysBetweenTwoDates(
// whitespaceStartDate,
// whitespaceEndDate,
// ),
// );
// // Hack to be able to scroll freely
// // Setting them all to NaN is much slower
// for (let i = 0; i < whitespaceDateDataset.length; i++) {
// const date = new Date(
// whitespaceStartDateYear,
// whitespaceStartDateMonth,
// whitespaceStartDateDate + i,
// );
// const time = utils.date.toString(date);
// if (i === whitespaceDateDataset.length - 1) {
// whitespaceDateDataset[i] = {
// time,
// value: NaN,
// };
// } else {
// whitespaceDateDataset[i] = {
// time,
// };
// }
// }
// }
// const heightStart = -50_000;
// let whitespaceHeightDataset = /** @type {WhitespaceData[]} */ ([]);
// function initHeightWhitespace() {
// whitespaceHeightDataset = new Array(
// (new Date().getUTCFullYear() - 2009 + 1) * 60_000,
// );
// for (let i = 0; i < whitespaceHeightDataset.length; i++) {
// const height = heightStart + i;
// whitespaceHeightDataset[i] = {
// time: /** @type {Time} */ (height),
// };
// }
// }
// /**
// * @param {Object} param0
// * @param {IChartApi} param0.chart
// * @param {TimeScale} param0.scale
// * @param {Utilities} param0.utils
// * @returns {ISeriesApi<'Line'>}
// */
// function setWhitespace({ chart, scale, utils }) {
// const whitespace = chart.addLineSeries();
// if (scale === "date") {
// if (!whitespaceDateDataset.length) {
// initDateWhitespace({ utils });
// }
// whitespace.setData(whitespaceDateDataset);
// } else {
// if (!whitespaceHeightDataset.length) {
// initHeightWhitespace();
// }
// whitespace.setData(whitespaceHeightDataset);
// const time = whitespaceHeightDataset.length;
// whitespace.update({
// time: /** @type {Time} */ (time),
// value: NaN,
// });
// }
// return whitespace;
// }
// return { setWhitespace };
// }
// const { setWhitespace } = initWhitespace();
/**
* @param {Object} args
* @param {string} args.id
* @param {HTMLElement} args.parent
* @param {Signals} args.signals
* @param {Colors} args.colors
* @param {"static" | "scrollable"} args.kind
* @param {Utilities} args.utils
* @param {Owner | null} [args.owner]
* @param {CreatePaneParameters[]} [args.config]
*/
function createChartElement({
parent,
signals,
colors,
id: chartId,
kind,
config,
utils,
owner: _owner,
}) {
/** @type {SplitSeries[]} */
const chartSplitSeries = [];
let owner = _owner || signals.getOwner();
const div = window.document.createElement("div");
div.classList.add("chart");
parent.append(div);
// const legendElement = window.document.createElement("legend");
// div.append(legendElement);
// /**
// * @returns {TimeRange}
// */
// function getInitialVisibleTimeRange() {
// const urlParams = new URLSearchParams(window.location.search);
// const urlFrom = urlParams.get("from");
// const urlTo = urlParams.get("to");
// if (urlFrom && urlTo) {
// if (scale === "date" && urlFrom.includes("-") && urlTo.includes("-")) {
// // console.log({
// // from: new Date(urlFrom).toJSON().split("T")[0],
// // to: new Date(urlTo).toJSON().split("T")[0],
// // });
// return {
// from: new Date(urlFrom).toJSON().split("T")[0],
// to: new Date(urlTo).toJSON().split("T")[0],
// };
// } else if (
// scale === "height" &&
// (!urlFrom.includes("-") || !urlTo.includes("-"))
// ) {
// // console.log({
// // from: Number(urlFrom),
// // to: Number(urlTo),
// // });
// return {
// from: Number(urlFrom),
// to: Number(urlTo),
// };
// }
// }
// function getSavedTimeRange() {
// return /** @type {TimeRange | null} */ (
// JSON.parse(localStorage.getItem(visibleTimeRange(scale)) || "null")
// );
// }
// const savedTimeRange = getSavedTimeRange();
// // console.log(savedTimeRange);
// if (savedTimeRange) {
// return savedTimeRange;
// }
// function getDefaultTimeRange() {
// switch (scale) {
// case "date": {
// const defaultTo = new Date();
// const defaultFrom = new Date();
// defaultFrom.setDate(defaultFrom.getUTCDate() - 6 * 30);
// return {
// from: defaultFrom.toJSON().split("T")[0],
// to: defaultTo.toJSON().split("T")[0],
// };
// }
// case "height": {
// return {
// from: 850_000,
// to: 900_000,
// };
// }
// }
// }
// return getDefaultTimeRange();
// }
// const visibleTimeRange = signals.createSignal(getInitialVisibleTimeRange());
// const visibleDatasetIds = signals.createSignal(
// /** @type {number[]} */ ([]),
// {
// equals: false,
// },
// );
// const lastVisibleDatasetIndex = signals.createMemo(() => {
// const last = visibleDatasetIds().at(-1);
// return last !== undefined ? utils.chunkIdToIndex(scale, last) : undefined;
// });
// function updateVisibleDatasetIds() {
// /** @type {number[]} */
// let ids = [];
// const today = new Date();
// const { from: rawFrom, to: rawTo } = visibleTimeRange();
// if (typeof rawFrom === "string" && typeof rawTo === "string") {
// const from = new Date(rawFrom).getUTCFullYear();
// const to = new Date(rawTo).getUTCFullYear();
// ids = Array.from({ length: to - from + 1 }, (_, i) => i + from).filter(
// (year) => year >= 2009 && year <= today.getUTCFullYear(),
// );
// } else {
// const from = Math.floor(Number(rawFrom) / consts.HEIGHT_CHUNK_SIZE);
// const to = Math.floor(Number(rawTo) / consts.HEIGHT_CHUNK_SIZE);
// const length = to - from + 1;
// ids = Array.from(
// { length },
// (_, i) => (from + i) * consts.HEIGHT_CHUNK_SIZE,
// );
// }
// const old = visibleDatasetIds();
// if (
// old.length !== ids.length ||
// old.at(0) !== ids.at(0) ||
// old.at(-1) !== ids.at(-1)
// ) {
// console.log("range:", ids);
// visibleDatasetIds.set(ids);
// }
// }
// const debouncedUpdateVisibleDatasetIds = utils.debounce(
// updateVisibleDatasetIds,
// 100,
// );
// function saveVisibleRange() {
// const range = visibleTimeRange();
// utils.url.writeParam("from", String(range.from));
// utils.url.writeParam("to", String(range.to));
// localStorage.setItem(visibleTimeRange(scale), JSON.stringify(range));
// }
// const debouncedSaveVisibleRange = utils.debounce(saveVisibleRange, 250);
// const hoveredLegend = signals.createSignal(
// /** @type {HoveredLegend | undefined} */ (undefined),
// );
// const notHoveredLegendTransparency = "66";
// /**
// * @param {Object} args
// * @param {AnySeries} args.series
// */
// function createLegend({ series }) {
// const div = window.document.createElement("div");
// legendElement.prepend(div);
// const { input, label } = utils.dom.createLabeledInput({
// inputId: utils.stringToId(`legend-${series.title}`),
// inputName: utils.stringToId(`selected-${series.title}`),
// inputValue: "value",
// labelTitle: "Click to toggle",
// onClick: () => {
// series.active.set(input.checked);
// },
// type: "checkbox",
// });
// input.checked = series.active();
// const spanMain = window.document.createElement("span");
// spanMain.classList.add("main");
// label.append(spanMain);
// const spanName = utils.dom.createSpanName(series.title);
// spanMain.append(spanName);
// div.append(label);
// label.addEventListener("mouseover", () => {
// const hovered = hoveredLegend();
// if (!hovered || hovered.label !== label) {
// hoveredLegend.set({ label, series });
// }
// });
// label.addEventListener("mouseleave", () => {
// hoveredLegend.set(undefined);
// });
// function shouldHighlight() {
// const hovered = hoveredLegend();
// return (
// !hovered ||
// (hovered.label === label && hovered.series.active()) ||
// (hovered.label !== label && !hovered.series.active())
// );
// }
// const spanColors = window.document.createElement("span");
// spanColors.classList.add("colors");
// spanMain.prepend(spanColors);
// const colors = Array.isArray(series.color)
// ? series.color
// : [series.color];
// colors.forEach((color) => {
// const spanColor = window.document.createElement("span");
// spanColors.append(spanColor);
// signals.createEffect(
// () => ({
// color: color(),
// shouldHighlight: shouldHighlight(),
// }),
// ({ color, shouldHighlight }) => {
// if (shouldHighlight) {
// spanColor.style.backgroundColor = color;
// } else {
// spanColor.style.backgroundColor = `${color}${notHoveredLegendTransparency}`;
// }
// },
// );
// });
// // function createHoverEffect() {
// // const initialColors = /** @type {Record<string, any>} */ ({});
// // const darkenedColors = /** @type {Record<string, any>} */ ({});
// // /** @type {HoveredLegend | undefined} */
// // let previouslyHovered = undefined;
// // /**
// // * @param {Object} param0
// // * @param {HoveredLegend | undefined} param0.hovered
// // * @param {ISeriesApi<SeriesType> | undefined} param0.series
// // * @param {number} [param0.seriesIndex]
// // */
// // function applySeriesOption({ hovered, series, seriesIndex = 0 }) {
// // if (!series) return;
// // const i = seriesIndex;
// // if (hovered) {
// // const seriesOptions = series.options();
// // if (!seriesOptions) return;
// // initialColors[i] = {};
// // darkenedColors[i] = {};
// // Object.entries(seriesOptions).forEach(([k, v]) => {
// // if (k.toLowerCase().includes("color") && v) {
// // if (typeof v === "string" && !v.startsWith("#")) {
// // return;
// // }
// // v = /** @type {string} */ (v).substring(0, 7);
// // initialColors[i][k] = v;
// // darkenedColors[i][k] = `${v}${notHoveredLegendTransparency}`;
// // } else if (k === "lastValueVisible" && v) {
// // initialColors[i][k] = true;
// // darkenedColors[i][k] = false;
// // }
// // });
// // }
// // signals.createEffect(shouldHighlight, (shouldHighlight) => {
// // if (shouldHighlight) {
// // series.applyOptions(initialColors[i]);
// // } else {
// // series.applyOptions(darkenedColors[i]);
// // }
// // });
// // }
// // signals.createEffect(
// // () => ({
// // hovered: hoveredLegend(),
// // ids: visibleDatasetIds(),
// // }),
// // ({ hovered, ids }) => {
// // if (!hovered && !previouslyHovered) return hovered;
// // if ("chunks" in series) {
// // for (let i = 0; i < ids.length; i++) {
// // const chunkId = ids[i];
// // const chunkIndex = utils.chunkIdToIndex(scale, chunkId);
// // const chunk = series.chunks[chunkIndex];
// // signals.createEffect(chunk, (chunk) => {
// // applySeriesOption({
// // hovered,
// // series: chunk,
// // seriesIndex: i,
// // });
// // });
// // }
// // } else {
// // applySeriesOption({
// // series: series.iseries,
// // hovered,
// // });
// // }
// // previouslyHovered = hovered;
// // },
// // );
// // }
// // createHoverEffect();
// if ("dataset" in series && "url" in series.dataset) {
// const anchor = window.document.createElement("a");
// // anchor.href = series.dataset.url;
// anchor.target = "_blank";
// anchor.rel = "noopener noreferrer";
// div.append(anchor);
// }
// }
const chartDiv = window.document.createElement("div");
chartDiv.classList.add("lightweight-chart");
div.append(chartDiv);
const ichart = createLightweightChart({
index: 1,
element: chartDiv,
signals,
colors,
utils,
});
const lineSeries = ichart.addSeries(/** @type {any} */ (lc.LineSeries), {
color: colors.pink(),
});
const data = [
{ value: 0, time: 1642425322 },
{ value: 8, time: 1642511722 },
{ value: 10, time: 1642598122 },
{ value: 20, time: 1642684522 },
{ value: 3, time: 1642770922 },
{ value: 43, time: 1642857322 },
{ value: 41, time: 1642943722 },
{ value: 43, time: 1643030122 },
{ value: 56, time: 1643116522 },
{ value: 46, time: 1643202922 },
];
lineSeries.setData(data);
ichart.timeScale().fitContent();
return;
const panesElement = window.document.createElement("div");
panesElement.classList.add("panes");
div.append(panesElement);
/** @type {ChartPane[]} */
const panes = [];
if (kind === "static") {
new ResizeObserver(() => {
panes.forEach((chart) => {
chart.timeScale().fitContent();
});
}).observe(panesElement);
}
/**
* @param {CreatePaneParameters} param
*/
function createPane({ paneIndex, unit, options, config }) {
const chartWrapper = window.document.createElement("div");
chartWrapper.classList.add("pane");
panesElement.append(chartWrapper);
const chartDiv = window.document.createElement("div");
chartDiv.classList.add("lightweight-chart");
chartWrapper.append(chartDiv);
options = { ...options };
if (kind === "static") {
options.handleScale = false;
options.handleScroll = false;
} else {
options.crosshair = {
...options.crosshair,
mode: 0,
};
}
// const _chart = createLightweightChart({
// index: 1,
// element: chartDiv,
// signals,
// colors,
// options,
// utils,
// });
/**
* @param {RemoveSeriesBlueprintFluff<BaselineSeriesBlueprint>} args
*/
function createBaseLineSeries({ color, options, data }) {
const topLineColor = color || colors.profit;
const bottomLineColor = color || colors.loss;
function computeColors() {
return {
topLineColor: topLineColor(),
bottomLineColor: bottomLineColor(),
};
}
const transparent = "transparent";
/** @type {DeepPartial<BaselineStyleOptions & SeriesOptionsCommon>} */
const seriesOptions = {
priceScaleId: "right",
...defaultSeriesOptions,
...options,
topFillColor1: transparent,
topFillColor2: transparent,
bottomFillColor1: transparent,
bottomFillColor2: transparent,
...computeColors(),
};
const series = ichart.addBaselineSeries(seriesOptions);
signals.runWithOwner(owner, () => {
signals.createEffect(computeColors, (computeColors) => {
series.applyOptions(computeColors);
});
});
if (data) {
signals.runWithOwner(owner, () => {
signals.createEffect(data, (data) => {
series.setData(data);
if (kind === "static") {
pane.timeScale().fitContent();
}
});
});
}
return series;
}
let hasCandleSeries = false;
/**
* @param {RemoveSeriesBlueprintFluff<CandlestickSeriesBlueprint>} args
*/
function createCandlestickSeries({ color, options, data }) {
function computeColors() {
const upColor = colors.profit();
const downColor = colors.loss();
return {
upColor,
wickUpColor: upColor,
downColor,
wickDownColor: downColor,
};
}
const series = ichart.addCandlestickSeries({
baseLineVisible: false,
borderVisible: false,
priceLineVisible: false,
baseLineColor: "",
borderColor: "",
borderDownColor: "",
borderUpColor: "",
...options,
...computeColors(),
});
hasCandleSeries = true;
signals.runWithOwner(owner, () => {
signals.createEffect(computeColors, (computeColors) => {
series.applyOptions(computeColors);
});
});
if (data) {
signals.runWithOwner(owner, () => {
signals.createEffect(data, (data) => {
series.setData(data);
if (kind === "static") {
pane.timeScale().fitContent();
}
});
});
}
// updateVisiblePriceSeriesType();
return series;
}
/**
* @param {RemoveSeriesBlueprintFluff<LineSeriesBlueprint>} args
*/
function createLineSeries({ color, options, data }) {
function computeColors() {
return {
color: color(),
};
}
const series = ichart.addLineSeries({
...defaultSeriesOptions,
...options,
...computeColors(),
});
signals.runWithOwner(owner, () => {
signals.createEffect(computeColors, (computeColors) => {
series.applyOptions(computeColors);
});
});
if (data) {
signals.runWithOwner(owner, () => {
signals.createEffect(data, (data) => {
series.setData(data);
if (kind === "static") {
pane.timeScale().fitContent();
}
});
});
}
return series;
}
/**
* @param {CreateBaseSeriesParameters} args
*/
function createBaseSeries({
id,
disabled: _disabled,
title,
color,
defaultActive,
}) {
const keyPrefix = id;
const paramKey = utils.stringToId(title);
const storageKey = `${keyPrefix}-${paramKey}`;
const active = signals.createSignal(
utils.url.readBoolParam(paramKey) ??
utils.storage.readBool(storageKey) ??
defaultActive ??
true,
);
const disabled = signals.createMemo(_disabled || (() => false));
const visible = signals.createMemo(() => active() && !disabled());
/** @satisfies {BaseSeries} */
const series = {
active,
color: color || [colors.profit, colors.loss],
disabled,
id,
title,
visible,
};
signals.createEffect(
() => ({ disabled: disabled(), active: active() }),
({ disabled, active }) => {
if (disabled) {
return;
}
if (active !== (defaultActive || true)) {
utils.url.writeParam(paramKey, active);
utils.storage.write(storageKey, active);
} else {
utils.url.removeParam(paramKey);
utils.storage.remove(storageKey);
}
// setMinMaxMarkersWhenIdle();
},
);
return series;
}
const pane = /** @type {ChartPane} */ (ichart);
pane.createSingleSeries = function ({ blueprint, id }) {
/** @type {ISeriesApi<SeriesType>} */
let s;
switch (blueprint.type) {
case "Baseline": {
s = createBaseLineSeries(blueprint);
break;
}
case "Candlestick": {
s = createCandlestickSeries(blueprint);
break;
}
default:
case "Line": {
s = createLineSeries(blueprint);
break;
}
}
/** @satisfies {SingleSeries} */
const series = {
...createBaseSeries({
id,
title: blueprint.title,
color: blueprint.color,
defaultActive: blueprint.defaultActive,
}),
iseries: s,
dataset: blueprint.data || (() => /** @type {any} */ ([])),
};
signals.createEffect(series.visible, (visible) => {
series.iseries.applyOptions({
visible,
});
});
createLegend({ series });
pane.singleSeries.push(series);
pane.anySeries.push(series);
return series;
};
/**
* @param {CreateSplitSeriesParameters} arg
*/
function createSplitSeries({
id,
index: seriesIndex,
disabled,
dataset,
blueprint,
}) {
/** @satisfies {SplitSeries} */
const series = {
...createBaseSeries({
id,
title: blueprint.title,
color: blueprint.color,
defaultActive: blueprint.defaultActive,
disabled,
}),
dataset,
chunks: new Array(dataset.ranges.length),
};
pane.splitSeries.push(series);
pane.anySeries.push(series);
chartSplitSeries.unshift(series);
dataset.ranges.forEach((json, index) => {
const chunk = signals.createSignal(
/** @type {ISeriesApi<SeriesType> | undefined} */ (undefined),
);
series.chunks[index] = chunk;
const isMyTurn = signals.createMemo(() => {
if (seriesIndex <= 0) return true;
const previousSeriesChunk = pane.splitSeries.at(seriesIndex - 1)
?.chunks[index];
const isPreviousSeriesOnChart = previousSeriesChunk?.();
return !!isPreviousSeriesOnChart;
});
signals.createEffect(
() => ({ values: json.vec(), isMyTurn: isMyTurn() }),
({ values, isMyTurn }) => {
if (!values || !isMyTurn) return;
let s = chunk();
if (!s) {
switch (blueprint.type) {
case "Baseline": {
s = createBaseLineSeries({
color: blueprint.color,
options: blueprint.options,
});
break;
}
case "Candlestick": {
s = createCandlestickSeries({
options: blueprint.options,
});
break;
}
default:
case "Line": {
s = createLineSeries({
color: blueprint.color,
options: blueprint.options,
});
break;
}
}
chunk.set(s);
}
s.setData(values);
// setMinMaxMarkersWhenIdle();
},
);
signals.createEffect(
() => ({
chunk: chunk(),
currentVec: dataset.ranges.at(index)?.vec(),
nextVec: dataset.ranges.at(index + 1)?.vec(),
}),
({ chunk, currentVec, nextVec }) => {
if (chunk && currentVec?.length && nextVec?.length) {
chunk.update(nextVec[0]);
}
},
);
signals.createEffect(chunk, (chunk) => {
const isChunkLastVisible = signals.createMemo(() => {
const last = lastVisibleDatasetIndex();
return last !== undefined && last === index;
});
signals.createEffect(
() => ({
visible: series.visible(),
isChunkLastVisible: isChunkLastVisible(),
}),
({ visible, isChunkLastVisible }) => {
chunk?.applyOptions({
lastValueVisible: visible && isChunkLastVisible,
});
},
);
});
// const shouldChunkBeVisible = signals.createMemo(() => {
// if (visibleDatasetIds().length) {
// const start = utils.chunkIdToIndex(
// scale,
// /** @type {number} */ (visibleDatasetIds().at(0)),
// );
// const end = utils.chunkIdToIndex(
// scale,
// /** @type {number} */ (visibleDatasetIds().at(-1)),
// );
// if (index >= start && index <= end) {
// return true;
// }
// }
// return false;
// });
let wasChunkVisible = false;
const chunkVisible = signals.createMemo(() => {
if (series.disabled()) {
wasChunkVisible = false;
} else {
// wasChunkVisible = wasChunkVisible || shouldChunkBeVisible();
}
return wasChunkVisible;
});
signals.createEffect(chunk, (chunk) => {
if (!chunk) return;
const visible = signals.createMemo(
() => series.visible() && chunkVisible(),
);
signals.createEffect(visible, (visible) => {
chunk.applyOptions({
visible,
});
});
});
});
createLegend({ series });
return series;
}
pane.createSplitSeries = function (a) {
if (a.blueprint.type === "Candlestick") {
const candleSeries = createSplitSeries({
disabled: signals.createMemo(
() => priceSeriesType() !== "Candlestick",
),
...a,
});
const lineSeries = createSplitSeries({
disabled: signals.createMemo(() => priceSeriesType() !== "Line"),
...a,
blueprint: {
color: colors.default,
...a.blueprint,
type: "Line",
},
});
signals.createEffect(candleSeries.active, (active) => {
lineSeries.active.set(active);
});
signals.createEffect(lineSeries.active, (active) => {
candleSeries.active.set(active);
});
return [candleSeries, lineSeries];
} else {
return [createSplitSeries(a)];
}
};
pane.hidden = function () {
return chartWrapper.hidden;
};
pane.setHidden = function (b) {
chartWrapper.hidden = b;
};
pane.splitSeries = [];
pane.singleSeries = [];
pane.anySeries = [];
pane.setInitialVisibleTimeRange = function () {
// const range = visibleTimeRange();
//
// if (range) {
// pane.timeScale().setVisibleRange(/** @type {any} */ (range));
// // On small screen it doesn't it might not set it in time
// setTimeout(() => {
// try {
// pane.timeScale().setVisibleRange(/** @type {any} */ (range));
// } catch {}
// }, 50);
// }
};
const remove = ichart.remove;
pane.remove = function () {
remove.call(this);
pane.splitSeries.length = 0;
pane.singleSeries.length = 0;
pane.anySeries.length = 0;
};
if (kind === "scrollable") {
// pane.whitespace = setWhitespace({ chart: _chart, scale, utils });
}
function createUnitAndModeElements() {
const fieldset = window.document.createElement("fieldset");
fieldset.dataset.size = "sm";
chartWrapper.append(fieldset);
const id = `chart-${chartId}-${paneIndex}-mode`;
const chartModes = /** @type {const} */ (["Lin", "Log"]);
const chartMode = signals.createSignal(
/** @type {Lowercase<typeof chartModes[number]>} */ (
localStorage.getItem(id) || "lin"
),
);
const field = utils.dom.createHorizontalChoiceField({
choices: chartModes,
selected: chartMode(),
id,
title: unit,
signals,
});
fieldset.append(field);
field.addEventListener("change", (event) => {
// @ts-ignore
const value = event.target.value;
localStorage.setItem(id, value);
chartMode.set(value);
});
signals.createEffect(chartMode, (chartMode) =>
ichart.priceScale("right").applyOptions({
mode: chartMode === "lin" ? 0 : 1,
}),
);
}
createUnitAndModeElements();
switch (kind) {
case "static": {
config?.forEach((params) => {
pane.createSingleSeries({
id: utils.stringToId(params.title),
blueprint: params,
});
});
pane.timeScale().fitContent();
if (!paneIndex) {
setTimeout(() => {
pane.timeScale().subscribeVisibleTimeRangeChange((range) => {
if (!range) return;
// visibleTimeRange.set(range);
});
});
}
break;
}
case "scrollable": {
pane.setInitialVisibleTimeRange();
// updateVisibleDatasetIds();
// if (!paneIndex) {
// setTimeout(() => {
// pane.timeScale().subscribeVisibleTimeRangeChange((range) => {
// if (!range) return;
// // visibleTimeRange.set(range);
// debouncedUpdateVisibleDatasetIds();
// // debouncedSaveVisibleRange();
// });
// });
// }
break;
}
}
panes.push(pane);
pane.subscribeCrosshairMove(({ time, sourceEvent }) => {
// Don't override crosshair position from scroll event
if (time && !sourceEvent) return;
for (
let otherChartIndex = 0;
otherChartIndex < panes.length;
otherChartIndex++
) {
const otherPane = panes[otherChartIndex];
if (otherPane && paneIndex !== otherChartIndex) {
if (time) {
otherPane.setCrosshairPosition(NaN, time, otherPane.whitespace);
} else {
// No time when mouse goes outside the chart
otherPane.clearCrosshairPosition();
}
}
}
});
const chartVisible = signals.createMemo(() =>
pane.anySeries.some((series) => series.visible()),
);
function createChartVisibilityEffect() {
signals.createEffect(chartVisible, (chartVisible) => {
pane.setHidden(!chartVisible);
});
}
createChartVisibilityEffect();
function createTimeScaleVisibilityEffect() {
signals.createEffect(chartVisible, (chartVisible) => {
let i = paneIndex || 0;
const last = i === panes.length - 1;
const visible = last && chartVisible;
pane.timeScale().applyOptions({
visible,
});
if (i > 0 && last) {
panes.slice(0, -1).forEach((pane) =>
pane.timeScale().applyOptions({
visible: !visible,
}),
);
}
});
}
createTimeScaleVisibilityEffect();
pane.timeScale().subscribeVisibleLogicalRangeChange((logicalRange) => {
if (!logicalRange) return;
for (let i = 0; i < panes.length; i++) {
if (paneIndex !== i) {
panes[i].timeScale().setVisibleLogicalRange(logicalRange);
}
}
});
// function setMinMaxMarkers() {
// try {
// const { from, to } = visibleTimeRange();
// const dateFrom = new Date(String(from));
// const dateTo = new Date(String(to));
// let max = /** @type {Marker | undefined} */ (undefined);
// let min = /** @type {Marker | undefined} */ (undefined);
// /** @type {(SeriesMarker<Time> & Weighted) | undefined} */
// let minMarker;
// /** @type {(SeriesMarker<Time> & Weighted) | undefined} */
// let maxMarker;
// const ids = visibleDatasetIds();
// /**
// *
// * @param {ISeriesApi<SeriesType> | undefined} series
// * @param {SingleValueData<Time>[] | null | undefined} vec
// * @returns
// */
// function parseSeriesValues(series, vec) {
// if (!series || !series?.options().visible) return;
// series.setMarkers([]);
// const isCandlestick = series.seriesType() === "Candlestick";
// if (!vec) return;
// for (let k = 0; k < vec.length; k++) {
// const data = vec[k];
// let number;
// if (scale === "date") {
// const date = utils.date.fromTime(data.time);
// number = date.getTime();
// if (date <= dateFrom || date >= dateTo) {
// continue;
// }
// } else {
// const height = data.time;
// number = /** @type {number} */ (height);
// if (height <= from || height >= to) {
// continue;
// }
// }
// // @ts-ignore
// const high = isCandlestick ? data["high"] : data.value;
// // @ts-ignore
// const low = isCandlestick ? data["low"] : data.value;
// if (!max || high > max.value) {
// max = {
// weight: number,
// time: data.time,
// value: high,
// seriesChunk: series,
// };
// }
// if (!min || low < min.value) {
// min = {
// weight: number,
// time: data.time,
// value: low,
// seriesChunk: series,
// };
// }
// }
// }
// for (let i = 0; i < pane.singleSeries.length; i++) {
// const series = pane.singleSeries[i];
// parseSeriesValues(series.iseries, series.dataset());
// }
// for (let i = 0; i < pane.splitSeries.length; i++) {
// const { chunks, dataset } = pane.splitSeries[i];
// for (let j = 0; j < ids.length; j++) {
// const id = ids[j];
// const chunkIndex = utils.chunkIdToIndex(scale, id);
// const chunk = chunks.at(chunkIndex)?.();
// const vec = dataset.fetchedJSONs.at(chunkIndex)?.vec();
// parseSeriesValues(chunk, vec);
// }
// }
// if (min) {
// minMarker = {
// weight: min.weight,
// time: min.time,
// color: colors.default(),
// position: "belowBar",
// shape: "arrowUp",
// size: 0,
// text: utils.locale.numberToShortUSFormat(min.value),
// };
// }
// if (max) {
// maxMarker = {
// weight: max.weight,
// time: max.time,
// color: colors.default(),
// position: "aboveBar",
// shape: "arrowDown",
// size: 0,
// text: utils.locale.numberToShortUSFormat(max.value),
// };
// }
// if (
// min &&
// max &&
// min.seriesChunk === max.seriesChunk &&
// minMarker &&
// maxMarker
// ) {
// min.seriesChunk.setMarkers(
// [minMarker, maxMarker].sort((a, b) => a.weight - b.weight),
// );
// } else {
// if (min && minMarker) {
// min.seriesChunk.setMarkers([minMarker]);
// }
// if (max && maxMarker) {
// max.seriesChunk.setMarkers([maxMarker]);
// }
// }
// } catch (e) {}
// }
// const setMinMaxMarkersWhenIdle = () =>
// utils.runWhenIdle(
// () => {
// setMinMaxMarkers();
// },
// pane.anySeries.length * 5 + scale === "date" ? 50 : 100,
// );
// signals.createEffect(
// () => [visibleTimeRange(), colors.default()],
// setMinMaxMarkersWhenIdle,
// );
// pane.timeScale().subscribeVisibleLogicalRangeChange((logicalRange) => {
// if (!logicalRange || !hasCandleSeries) return;
// // Must be the chart with the visible timeScale
// debouncedUpdateVisiblePriceSeriesType(logicalRange);
// });
return pane;
}
config?.forEach((params) => {
createPane(params);
});
/**
*
* @param {Object} args
* @param {Owner | null} args.owner
*/
function reset({ owner: _owner }) {
// scale = _scale;
owner = _owner;
panes.forEach((pane) => pane.remove());
panes.length = 0;
chartSplitSeries.length = 0;
legendElement.innerHTML = "";
panesElement.innerHTML = "";
}
// /**
// * @param {LogicalRange} [visibleLogicalRange]
// */
// function getTicksToWidthRatio(visibleLogicalRange) {
// try {
// const chartPane = panes.find((pane) => !pane.hidden());
// if (!chartPane) return;
// const width = chartPane.chartElement().clientWidth;
// /** @type {number} */
// let ratio;
// if (visibleLogicalRange) {
// ratio = (visibleLogicalRange.to - visibleLogicalRange.from) / width;
// } else {
// let range = visibleTimeRange();
// if (scale === "date") {
// const to = /** @type {Time} */ (range.to);
// const from = /** @type {Time} */ (range.from);
// ratio =
// utils.getNumberOfDaysBetweenTwoDates(
// utils.date.fromTime(from),
// utils.date.fromTime(to),
// ) / width;
// } else {
// const to = /** @type {number} */ (range.to);
// const from = /** @type {number} */ (range.from);
// ratio = (to - from) / width;
// }
// }
// return ratio;
// } catch {}
// }
// const priceSeriesType = signals.createSignal(
// /** @type {PriceSeriesType} */ ("Candlestick"),
// );
// /**
// * @param {Parameters<typeof getTicksToWidthRatio>[0]} [args]
// */
// function updateVisiblePriceSeriesType(args) {
// const ratio = getTicksToWidthRatio(args);
// if (ratio) {
// if (ratio <= 0.5) {
// priceSeriesType.set("Candlestick");
// } else {
// priceSeriesType.set("Line");
// }
// }
// }
// const debouncedUpdateVisiblePriceSeriesType = utils.debounce(
// updateVisiblePriceSeriesType,
// 50,
// );
return {
createPane,
reset,
// visibleTimeRange,
// visibleDatasetIds,
// getInitialVisibleTimeRange,
// getTicksToWidthRatio,
// priceSeriesType,
};
}
return {
createChartElement,
};
});