website: snapshot

This commit is contained in:
nym21
2026-01-22 13:19:50 +01:00
parent 31c5a5dde5
commit bf13249003
3 changed files with 318 additions and 452 deletions

View File

@@ -77,7 +77,6 @@ const lineWidth = /** @type {any} */ (1.5);
* @param {BrkClient} args.brk
* @param {true} [args.fitContent]
* @param {HTMLElement} [args.captureElement]
* @param {{unit: Unit; blueprints: AnyFetchedSeriesBlueprint[]}[]} [args.config]
*/
export function createChart({
parent,
@@ -85,7 +84,6 @@ export function createChart({
brk,
fitContent,
captureElement,
config,
}) {
const baseUrl = brk.baseUrl.replace(/\/$/, "");
@@ -173,6 +171,9 @@ export function createChart({
fontFamily: style.fontFamily,
background: { color: "transparent" },
attributionLogo: false,
panes: {
enableResize: false,
},
},
grid: {
vertLines: { visible: false },
@@ -465,10 +466,8 @@ export function createChart({
/**
* @param {Object} args
* @param {string} args.name
* @param {Unit} args.unit
* @param {number} args.order
* @param {Color[]} args.colors
* @param {LCSeriesType} args.seriesType
* @param {AnyMetricPattern} args.metric
* @param {number} args.paneIndex
* @param {boolean} [args.defaultActive]
@@ -481,14 +480,11 @@ export function createChart({
* @param {(data: any[]) => void} args.setData
* @param {(data: any) => void} args.update
* @param {() => void} args.onRemove
* @param {() => void} [args.onDataLoaded]
*/
create({
metric,
name,
unit,
order,
seriesType,
paneIndex,
defaultActive,
colors,
@@ -501,7 +497,6 @@ export function createChart({
setData,
update,
onRemove,
onDataLoaded,
}) {
const key = stringToId(name);
const id = `${key}-${paneIndex}`;
@@ -689,7 +684,7 @@ export function createChart({
.setVisibleLogicalRange({ from: -1, to: data.length });
}
// Delay until chart has applied the range
requestAnimationFrame(() => onDataLoaded?.());
requestAnimationFrame(() => blueprints.onDataLoaded?.());
} else {
// Incremental update: only process new data points
for (let i = startIdx; i < length; i++) {
@@ -723,42 +718,30 @@ export function createChart({
// index.onChange.add(setupIndexEffect);
// _cleanup = () => index.onChange.delete(setupIndexEffect);
addPriceScaleSelectorIfNeeded({
paneIndex,
seriesType,
unit,
});
return series;
},
/**
* @param {Object} args
* @param {string} args.name
* @param {Unit} args.unit
* @param {number} args.order
* @param {AnyMetricPattern} args.metric
* @param {number} [args.paneIndex]
* @param {[Color, Color]} [args.colors] - [upColor, downColor] for legend
* @param {boolean} [args.defaultActive]
* @param {boolean} [args.inverse]
* @param {CandlestickSeriesPartialOptions} [args.options]
*/
addCandlestick({
metric,
name,
unit,
order,
paneIndex = 0,
colors: customColors,
defaultActive,
inverse,
options,
}) {
const defaultGreen = inverse ? colors.red : colors.green;
const defaultRed = inverse ? colors.green : colors.red;
const upColor = customColors?.[0] ?? defaultGreen;
const downColor = customColors?.[1] ?? defaultRed;
const upColor = customColors?.[0] ?? colors.green;
const downColor = customColors?.[1] ?? colors.red;
/** @type {CandlestickISeries} */
const candlestickISeries = /** @type {any} */ (
@@ -788,8 +771,10 @@ export function createChart({
let active = defaultActive !== false;
let highlighted = true;
let showLine = visibleBarsCount > 500;
let dataLoaded = false;
/** @param {number} barCount */
const shouldShowLine = (barCount) => barCount > 500;
let showLine = shouldShowLine(visibleBarsCount);
function update() {
candlestickISeries.applyOptions({
@@ -809,8 +794,8 @@ export function createChart({
/** @type {ZoomChangeCallback} */
function handleZoom(count) {
if (!dataLoaded) return; // Ignore zoom changes until data is ready
const newShowLine = count > 500;
if (!series.hasData()) return; // Ignore zoom changes until data is ready
const newShowLine = shouldShowLine(count);
if (newShowLine === showLine) return;
showLine = newShowLine;
update();
@@ -823,8 +808,6 @@ export function createChart({
name,
order,
paneIndex,
seriesType: "Candlestick",
unit,
defaultActive,
metric,
setOrder(order) {
@@ -855,6 +838,13 @@ export function createChart({
candlestickISeries.setData(data);
const lineData = data.map((d) => ({ time: d.time, value: d.close }));
lineISeries.setData(lineData);
requestAnimationFrame(() => {
const range = ichart.timeScale().getVisibleLogicalRange();
if (range) {
showLine = shouldShowLine(range.to - range.from);
}
update();
});
},
update: (data) => {
candlestickISeries.update(data);
@@ -867,10 +857,6 @@ export function createChart({
ichart.removeSeries(candlestickISeries);
ichart.removeSeries(lineISeries);
},
onDataLoaded: () => {
dataLoaded = true;
update();
},
});
panes.register(paneIndex, series, [candlestickISeries, lineISeries]);
@@ -880,7 +866,6 @@ export function createChart({
/**
* @param {Object} args
* @param {string} args.name
* @param {Unit} args.unit
* @param {number} args.order
* @param {AnyMetricPattern} args.metric
* @param {Color | [Color, Color]} [args.color] - Single color or [positive, negative] colors
@@ -891,7 +876,6 @@ export function createChart({
addHistogram({
metric,
name,
unit,
color = [colors.green, colors.red],
order,
paneIndex = 0,
@@ -932,8 +916,6 @@ export function createChart({
name,
order,
paneIndex,
seriesType: "Bar",
unit,
defaultActive,
metric,
setOrder: (order) => iseries.setSeriesOrder(order),
@@ -987,10 +969,9 @@ export function createChart({
/**
* @param {Object} args
* @param {string} args.name
* @param {Unit} args.unit
* @param {number} args.order
* @param {AnyMetricPattern} args.metric
* @param {Color} [args.color]
* @param {Color} args.color
* @param {number} [args.paneIndex]
* @param {boolean} [args.defaultActive]
* @param {LineSeriesPartialOptions} [args.options]
@@ -998,16 +979,12 @@ export function createChart({
addLine({
metric,
name,
unit,
order,
color: _color,
color,
paneIndex = 0,
defaultActive,
options,
}) {
const color =
_color ?? (unit.id === "usd" ? colors.green : colors.orange);
/** @type {LineISeries} */
const iseries = /** @type {any} */ (
ichart.addSeries(
@@ -1039,8 +1016,6 @@ export function createChart({
name,
order,
paneIndex,
seriesType: "Line",
unit,
defaultActive,
metric,
setOrder: (order) => iseries.setSeriesOrder(order),
@@ -1080,10 +1055,9 @@ export function createChart({
/**
* @param {Object} args
* @param {string} args.name
* @param {Unit} args.unit
* @param {number} args.order
* @param {AnyMetricPattern} args.metric
* @param {Color} [args.color]
* @param {Color} args.color
* @param {number} [args.paneIndex]
* @param {boolean} [args.defaultActive]
* @param {LineSeriesPartialOptions} [args.options]
@@ -1091,16 +1065,12 @@ export function createChart({
addDots({
metric,
name,
unit,
order,
color: _color,
color,
paneIndex = 0,
defaultActive,
options,
}) {
const color =
_color ?? (unit.id === "usd" ? colors.green : colors.orange);
/** @type {LineISeries} */
const iseries = /** @type {any} */ (
ichart.addSeries(
@@ -1145,8 +1115,6 @@ export function createChart({
name,
order,
paneIndex,
seriesType: "Line",
unit,
defaultActive,
metric,
setOrder: (order) => iseries.setSeriesOrder(order),
@@ -1187,7 +1155,6 @@ export function createChart({
/**
* @param {Object} args
* @param {string} args.name
* @param {Unit} args.unit
* @param {number} args.order
* @param {AnyMetricPattern} args.metric
* @param {number} [args.paneIndex]
@@ -1199,7 +1166,6 @@ export function createChart({
addBaseline({
metric,
name,
unit,
order,
paneIndex: _paneIndex,
defaultActive,
@@ -1249,8 +1215,6 @@ export function createChart({
name,
order,
paneIndex,
seriesType: "Baseline",
unit,
defaultActive,
metric,
setOrder: (order) => iseries.setSeriesOrder(order),
@@ -1290,21 +1254,16 @@ export function createChart({
};
/**
* @param {Object} args
* @param {Unit} args.unit
* @param {LCSeriesType} args.seriesType
* @param {number} args.paneIndex
* @param {number} paneIndex
* @param {Unit} unit
*/
function addPriceScaleSelectorIfNeeded({ unit, paneIndex, seriesType }) {
function applyScaleForUnit(paneIndex, unit) {
const id = `${chartId}-scale`;
/** @type {"lin" | "log"} */
const defaultValue =
unit.id === "usd" && seriesType !== "Baseline" ? "log" : "lin";
const defaultValue = unit.id === "usd" ? "log" : "lin";
const persisted = createPersistedValue({
defaultValue,
storageKey: `${id}-scale-${paneIndex}`,
defaultValue: /** @type {"lin" | "log"} */ (defaultValue),
storageKey: `${id}-${paneIndex}-${unit.id}`,
urlKey: paneIndex === 0 ? "price_scale" : "unit_scale",
serialize: (v) => v,
deserialize: (s) => /** @type {"lin" | "log"} */ (s),
@@ -1312,15 +1271,19 @@ export function createChart({
/** @param {"lin" | "log"} value */
const applyScale = (value) => {
try {
const pane = ichart.panes().at(paneIndex);
pane?.priceScale("right").applyOptions({
mode: value === "lin" ? 0 : 1,
});
} catch {}
panes.whenReady(paneIndex, () => {
try {
ichart
.panes()
.at(paneIndex)
?.priceScale("right")
.applyOptions({
mode: value === "lin" ? 0 : 1,
});
} catch {}
});
};
// Apply scale immediately
applyScale(persisted.value);
fieldsets.addIfNeeded({
@@ -1330,7 +1293,7 @@ export function createChart({
createChild() {
const field = createChoiceField({
choices: /** @type {const} */ (["lin", "log"]),
id: stringToId(`${id} ${paneIndex} ${unit}`),
id: stringToId(`${id} ${paneIndex}`),
initialValue: persisted.value,
onChange(value) {
persisted.set(value);
@@ -1343,11 +1306,206 @@ export function createChart({
});
}
const blueprints = {
/** @type {{ map: Map<Unit, AnyFetchedSeriesBlueprint[]>, series: AnySeries[], unit: Unit | null, legend: Legend }[]} */
panes: [
{ map: new Map(), series: [], unit: null, legend: legends.top },
{ map: new Map(), series: [], unit: null, legend: legends.bottom },
],
/** @type {VoidFunction | undefined} */
onDataLoaded: undefined,
/** @param {number} paneIndex */
rebuildPane(paneIndex) {
const pane = this.panes[paneIndex];
const { map, series, unit, legend } = pane;
if (!unit) {
series.forEach((s) => s.remove());
pane.series = [];
legend.removeFrom(0);
return;
}
const idx = index.get();
legend.removeFrom(0);
// Store old series to remove AFTER adding new ones
// This prevents pane collapse which loses scale settings
const oldSeries = [...series];
pane.series = [];
map.get(unit)?.forEach((blueprint, order) => {
const options = blueprint.options;
const indexes = Object.keys(blueprint.metric.by);
const defaultColor = unit.id === "usd" ? colors.green : colors.orange;
if (indexes.includes(idx)) {
switch (blueprint.type) {
case "Baseline": {
pane.series.push(
serieses.addBaseline({
metric: blueprint.metric,
name: blueprint.title,
defaultActive: blueprint.defaultActive,
paneIndex,
options: {
...options,
topLineColor:
blueprint.color?.() ?? blueprint.colors?.[0](),
bottomLineColor:
blueprint.color?.() ?? blueprint.colors?.[1](),
},
order,
}),
);
break;
}
case "Histogram": {
pane.series.push(
serieses.addHistogram({
metric: blueprint.metric,
name: blueprint.title,
color: blueprint.color,
defaultActive: blueprint.defaultActive,
paneIndex,
options,
order,
}),
);
break;
}
case "Candlestick": {
pane.series.push(
serieses.addCandlestick({
metric: blueprint.metric,
name: blueprint.title,
colors: blueprint.colors,
defaultActive: blueprint.defaultActive,
paneIndex,
options,
order,
}),
);
break;
}
case "Dots": {
pane.series.push(
serieses.addDots({
metric: blueprint.metric,
color: blueprint.color ?? defaultColor,
name: blueprint.title,
defaultActive: blueprint.defaultActive,
paneIndex,
options,
order,
}),
);
break;
}
case "Line":
case undefined:
pane.series.push(
serieses.addLine({
metric: blueprint.metric,
color: blueprint.color ?? defaultColor,
name: blueprint.title,
defaultActive: blueprint.defaultActive,
paneIndex,
options,
order,
}),
);
}
}
});
// Remove old series AFTER adding new ones to prevent pane collapse
oldSeries.forEach((s) => s.remove());
// Ensure other pane's series are in their correct pane before applying scale
// (they may have been collapsed when this pane was empty)
const otherPaneIndex = paneIndex === 0 ? 1 : 0;
panes.moveTo(otherPaneIndex, otherPaneIndex);
// Apply scale after series are created and panes are properly separated
applyScaleForUnit(paneIndex, unit);
},
rebuild() {
this.rebuildPane(0);
this.rebuildPane(1);
},
};
// Rebuild when index changes
index.onChange.add(() => blueprints.rebuild());
const chart = {
index,
legends,
serieses,
addFieldsetIfNeeded: fieldsets.addIfNeeded.bind(fieldsets),
/**
* @param {Object} args
* @param {Map<Unit, AnyFetchedSeriesBlueprint[]>} args.top
* @param {Map<Unit, AnyFetchedSeriesBlueprint[]>} args.bottom
* @param {VoidFunction} [args.onDataLoaded]
*/
setBlueprints({ top, bottom, onDataLoaded }) {
blueprints.panes[0].map = top;
blueprints.panes[1].map = bottom;
blueprints.onDataLoaded = onDataLoaded;
// Set up unit selectors for each pane
[top, bottom].forEach((map, paneIndex) => {
const units = Array.from(map.keys());
if (!units.length) {
blueprints.panes[paneIndex].unit = null;
return;
}
const defaultUnit = units[0];
const persistedUnit = createPersistedValue({
defaultValue: /** @type {string} */ (defaultUnit.id),
urlKey: paneIndex === 0 ? "u0" : "u1",
serialize: (v) => v,
deserialize: (s) => s,
});
// Find unit matching persisted value, or use default
const initialUnit =
units.find((u) => u.id === persistedUnit.value) ?? defaultUnit;
blueprints.panes[paneIndex].unit = initialUnit;
fieldsets.addIfNeeded({
id: `${chartId}-unit`,
paneIndex,
position: "nw",
createChild() {
return createChoiceField({
choices: units,
id: `pane-${paneIndex}-unit`,
initialValue: blueprints.panes[paneIndex].unit ?? defaultUnit,
toKey: (u) => u.id,
toLabel: (u) => u.name,
type: "select",
sorted: true,
onChange(unit) {
persistedUnit.set(unit.id);
blueprints.panes[paneIndex].unit = unit;
blueprints.rebuildPane(paneIndex);
},
});
},
});
});
blueprints.rebuild();
return blueprints;
},
destroy() {
removeThemeListener();
clearInterval(refreshInterval);
@@ -1355,31 +1513,6 @@ export function createChart({
},
};
config?.forEach(({ unit, blueprints }, paneIndex) => {
blueprints.forEach((blueprint, order) => {
const common = {
metric: blueprint.metric,
name: blueprint.title,
unit,
defaultActive: blueprint.defaultActive,
paneIndex,
options: blueprint.options,
order,
};
if (blueprint.type === "Candlestick") {
serieses.addCandlestick({ ...common, colors: blueprint.colors });
} else if (blueprint.type === "Baseline") {
serieses.addBaseline(common);
} else if (blueprint.type === "Histogram") {
serieses.addHistogram({ ...common, color: blueprint.color });
} else if (blueprint.type === "Dots") {
serieses.addDots({ ...common, color: blueprint.color });
} else {
serieses.addLine({ ...common, color: blueprint.color });
}
});
});
if (captureElement && canCapture) {
const domain = document.createElement("p");
domain.innerText = window.location.host;

View File

@@ -1,6 +1,5 @@
import {
createShadow,
createReactiveChoiceField,
createChoiceField,
createHeader,
} from "../utils/dom.js";
@@ -9,9 +8,9 @@ import { serdeChartableIndex } from "../utils/serde.js";
import { Unit } from "../utils/units.js";
import signals from "../signals.js";
import { createChart } from "../chart/index.js";
import { colors } from "../chart/colors.js";
import { webSockets } from "../utils/ws.js";
const keyPrefix = "chart";
const ONE_BTC_IN_SATS = 100_000_000;
/**
@@ -37,361 +36,78 @@ export function init({ option, brk }) {
const fieldset = createIndexSelector(option, chart);
chartElement.append(fieldset);
// Bridge chart's index changes into signals system
const indexVersion = signals.createSignal(0);
chart.index.onChange.add(() => indexVersion.set(indexVersion() + 1));
const unitChoices = /** @type {const} */ ([Unit.usd, Unit.sats]);
/** @type {Signal<Unit>} */
const topUnit = signals.createPersistedSignal({
defaultValue: /** @type {Unit} */ (Unit.usd),
storageKey: `${keyPrefix}-price`,
urlKey: "u1",
serialize: (u) => u.id,
deserialize: (s) =>
/** @type {Unit} */ (unitChoices.find((u) => u.id === s) ?? Unit.usd),
});
const topUnitField = createReactiveChoiceField({
defaultValue: Unit.usd,
choices: unitChoices,
toKey: (u) => u.id,
toLabel: (u) => u.name,
selected: topUnit,
signals,
sorted: true,
type: "select",
});
chart.addFieldsetIfNeeded({
id: "charts-unit-0",
paneIndex: 0,
position: "nw",
createChild() {
return topUnitField;
},
});
const seriesListTop = /** @type {AnySeries[]} */ ([]);
const seriesListBottom = /** @type {AnySeries[]} */ ([]);
/**
* @param {Object} params
* @param {AnySeries} params.series
* @param {Unit} params.unit
* @param {IndexName} params.index
* Build top blueprints with price series prepended for each unit
* @param {Map<Unit, AnyFetchedSeriesBlueprint[]>} optionTop
* @returns {Map<Unit, AnyFetchedSeriesBlueprint[]>}
*/
function printLatest({ series, unit, index }) {
const _latest = webSockets.kraken1dCandle.latest();
function buildTopBlueprints(optionTop) {
/** @type {Map<Unit, AnyFetchedSeriesBlueprint[]>} */
const result = new Map();
if (!_latest) return;
// USD price + option blueprints
/** @type {FetchedCandlestickSeriesBlueprint} */
const usdPrice = {
type: "Candlestick",
title: "Price",
metric: brk.metrics.price.usd.ohlc,
};
result.set(Unit.usd, [usdPrice, ...(optionTop.get(Unit.usd) ?? [])]);
const latest = { ..._latest };
// Sats price + option blueprints
/** @type {FetchedCandlestickSeriesBlueprint} */
const satsPrice = {
type: "Candlestick",
title: "Price",
metric: brk.metrics.price.sats.ohlc,
colors: [colors.red, colors.green],
};
result.set(Unit.sats, [satsPrice, ...(optionTop.get(Unit.sats) ?? [])]);
if (unit === Unit.sats) {
latest.open = Math.floor(ONE_BTC_IN_SATS / latest.open);
latest.high = Math.floor(ONE_BTC_IN_SATS / latest.high);
latest.low = Math.floor(ONE_BTC_IN_SATS / latest.low);
latest.close = Math.floor(ONE_BTC_IN_SATS / latest.close);
}
const last_ = series.getData().at(-1);
if (!last_) return;
const last = { ...last_ };
if ("close" in last) {
last.close = latest.close;
}
if ("value" in last) {
last.value = latest.close;
}
const date = new Date(/** @type {number} */ (latest.time) * 1000);
switch (index) {
case "height":
case "difficultyepoch":
case "halvingepoch": {
if ("close" in last) {
last.low = Math.min(last.low, latest.close);
last.high = Math.max(last.high, latest.close);
}
series.update(last);
break;
}
default: {
if (index === "weekindex") {
date.setUTCDate(date.getUTCDate() - ((date.getUTCDay() + 6) % 7));
} else if (index === "monthindex") {
date.setUTCDate(1);
} else if (index === "quarterindex") {
const month = date.getUTCMonth();
date.setUTCMonth(month - (month % 3), 1);
} else if (index === "semesterindex") {
const month = date.getUTCMonth();
date.setUTCMonth(month - (month % 6), 1);
} else if (index === "yearindex") {
date.setUTCMonth(0, 1);
} else if (index === "decadeindex") {
date.setUTCFullYear(
Math.floor(date.getUTCFullYear() / 10) * 10,
0,
1,
);
} else if (index !== "dateindex") {
throw Error("Unsupported");
}
const time = date.valueOf() / 1000;
if (time === last.time) {
if ("close" in last) {
last.low = Math.min(last.low, latest.low);
last.high = Math.max(last.high, latest.high);
}
series.update(last);
} else {
last.time = time;
series.update(last);
}
}
}
return result;
}
signals.createScopedEffect(option, (option) => {
headingElement.innerHTML = option.title;
/** @type {ReturnType<typeof chart.setBlueprints> | null} */
let blueprints = null;
const bottomUnits = Array.from(option.bottom.keys());
function updatePriceWithLatest() {
const latest = webSockets.kraken1dCandle.latest();
if (!latest || !blueprints) return;
/** @type {Signal<Unit> | undefined} */
let bottomUnit;
const priceSeries = blueprints.panes[0].series[0];
const unit = blueprints.panes[0].unit;
if (!priceSeries?.hasData() || !unit) return;
if (bottomUnits.length) {
// Storage key based on unit group (sorted unit IDs) so each group remembers its selection
const unitGroupKey = bottomUnits
.map((u) => u.id)
.sort()
.join("-");
bottomUnit = signals.createPersistedSignal({
defaultValue: bottomUnits[0],
storageKey: `${keyPrefix}-unit-${unitGroupKey}`,
urlKey: "u2",
serialize: (u) => u.id,
deserialize: (s) =>
bottomUnits.find((u) => u.id === s) ?? bottomUnits[0],
});
const field = createReactiveChoiceField({
defaultValue: bottomUnits[0],
choices: bottomUnits,
toKey: (u) => u.id,
toLabel: (u) => u.name,
selected: bottomUnit,
signals,
sorted: true,
type: "select",
});
chart.addFieldsetIfNeeded({
id: "charts-unit-1",
paneIndex: 1,
position: "nw",
createChild() {
return field;
},
});
} else {
// Clean up bottom pane when new option has no bottom series
seriesListBottom.forEach((series) => series.remove());
seriesListBottom.length = 0;
chart.legends.bottom.removeFrom(0);
}
/**
* @param {Object} args
* @param {Map<Unit, AnyFetchedSeriesBlueprint[]>} args.blueprints
* @param {number} args.paneIndex
* @param {Unit} args.unit
* @param {IndexName} args.idx
* @param {AnySeries[]} args.seriesList
* @param {number} args.orderStart
* @param {Legend} args.legend
*/
function createSeriesFromBlueprints({
blueprints,
paneIndex,
unit,
idx,
seriesList,
orderStart,
legend,
}) {
legend.removeFrom(orderStart);
seriesList.splice(orderStart).forEach((series) => series.remove());
blueprints.get(unit)?.forEach((blueprint, order) => {
order += orderStart;
const options = blueprint.options;
const indexes = Object.keys(blueprint.metric.by);
if (indexes.includes(idx)) {
switch (blueprint.type) {
case "Baseline": {
seriesList.push(
chart.serieses.addBaseline({
metric: blueprint.metric,
name: blueprint.title,
unit,
defaultActive: blueprint.defaultActive,
paneIndex,
options: {
...options,
topLineColor:
blueprint.color?.() ?? blueprint.colors?.[0](),
bottomLineColor:
blueprint.color?.() ?? blueprint.colors?.[1](),
},
order,
}),
);
break;
}
case "Histogram": {
seriesList.push(
chart.serieses.addHistogram({
metric: blueprint.metric,
name: blueprint.title,
unit,
color: blueprint.color,
defaultActive: blueprint.defaultActive,
paneIndex,
options,
order,
}),
);
break;
}
case "Candlestick": {
seriesList.push(
chart.serieses.addCandlestick({
metric: blueprint.metric,
name: blueprint.title,
unit,
colors: blueprint.colors,
defaultActive: blueprint.defaultActive,
paneIndex,
options,
order,
}),
);
break;
}
case "Dots": {
seriesList.push(
chart.serieses.addDots({
metric: blueprint.metric,
color: blueprint.color,
name: blueprint.title,
unit,
defaultActive: blueprint.defaultActive,
paneIndex,
options,
order,
}),
);
break;
}
case "Line":
case undefined:
seriesList.push(
chart.serieses.addLine({
metric: blueprint.metric,
color: blueprint.color,
name: blueprint.title,
unit,
defaultActive: blueprint.defaultActive,
paneIndex,
options,
order,
}),
);
}
}
});
}
// Price series + top pane blueprints: react to topUnit and index changes
signals.createScopedEffect(
() => ({ unit: topUnit(), _: indexVersion() }),
({ unit }) => {
// Create price series BEFORE removing old one to prevent pane collapse
/** @type {AnySeries | undefined} */
let series;
switch (unit) {
case Unit.usd: {
series = chart.serieses.addCandlestick({
metric: brk.metrics.price.usd.ohlc,
name: "Price",
unit,
order: 0,
});
break;
}
case Unit.sats: {
series = chart.serieses.addCandlestick({
metric: brk.metrics.price.sats.ohlc,
name: "Price",
unit,
inverse: true,
order: 0,
});
break;
}
}
if (!series) throw Error("Unreachable");
seriesListTop[0]?.remove();
seriesListTop[0] = series;
// Live price update effect
signals.createEffect(
() => ({
latest: webSockets.kraken1dCandle.latest(),
hasData: series.hasData(),
}),
({ latest, hasData }) => {
if (!series || !latest || !hasData) return;
printLatest({ series, unit, index: chart.index.get() });
},
);
// Top pane blueprint series
createSeriesFromBlueprints({
blueprints: option.top,
paneIndex: 0,
unit,
idx: chart.index.get(),
seriesList: seriesListTop,
orderStart: 1,
legend: chart.legends.top,
});
},
const last = /** @type {CandlestickData | undefined} */ (
priceSeries.getData().at(-1)
);
if (!last) return;
// Bottom pane blueprints: react to bottomUnit and index changes
if (bottomUnit) {
signals.createScopedEffect(
() => ({ unit: bottomUnit(), _: indexVersion() }),
({ unit }) => {
createSeriesFromBlueprints({
blueprints: option.bottom,
paneIndex: 1,
unit,
idx: chart.index.get(),
seriesList: seriesListBottom,
orderStart: 0,
legend: chart.legends.bottom,
});
},
);
}
// Convert to sats if needed
const close =
unit === Unit.sats
? Math.floor(ONE_BTC_IN_SATS / latest.close)
: latest.close;
priceSeries.update({ ...last, close });
}
// When option changes, update heading and rebuild blueprints
signals.createEffect(option, (opt) => {
headingElement.innerHTML = opt.title;
blueprints = chart.setBlueprints({
top: buildTopBlueprints(opt.top),
bottom: opt.bottom,
onDataLoaded: updatePriceWithLatest,
});
});
// Live price update listener
signals.createEffect(
() => webSockets.kraken1dCandle.latest(),
updatePriceWithLatest,
);
}
/**

View File

@@ -365,16 +365,22 @@ export function createReactiveChoiceField({
* @param {(choice: T) => string} [args.toKey]
* @param {(choice: T) => string} [args.toLabel]
* @param {"radio" | "select"} [args.type]
* @param {boolean} [args.sorted]
*/
export function createChoiceField({
id,
choices,
choices: unsortedChoices,
initialValue,
onChange,
sorted,
toKey = /** @type {(choice: T) => string} */ ((/** @type {any} */ c) => c),
toLabel = /** @type {(choice: T) => string} */ ((/** @type {any} */ c) => c),
type = "radio",
}) {
const choices = sorted
? unsortedChoices.toSorted((a, b) => toLabel(a).localeCompare(toLabel(b)))
: unsortedChoices;
const field = window.document.createElement("div");
field.classList.add("field");
@@ -387,7 +393,11 @@ export function createChoiceField({
const fromKey = (key) =>
choices.find((c) => toKey(c) === key) ?? initialValue;
if (type === "select") {
if (choices.length === 1) {
const span = window.document.createElement("span");
span.textContent = toLabel(choices[0]);
div.append(span);
} else if (type === "select") {
const select = window.document.createElement("select");
select.id = id ?? "";
select.name = id ?? "";
@@ -407,6 +417,13 @@ export function createChoiceField({
});
div.append(select);
const remaining = choices.length - 1;
if (remaining > 0) {
const small = window.document.createElement("small");
small.textContent = ` +${remaining}`;
field.append(small);
}
} else {
const fieldId = id ?? "";
choices.forEach((choice) => {