25 lines
1.1 KiB
JavaScript
25 lines
1.1 KiB
JavaScript
// Stable plot ranges: percentages are absolute 0-100; unbounded metrics have
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// unit-appropriate zero-based floors, expanding only for real higher readings.
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window.rustProxyChartScale = (() => {
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const floors = { rate: 100, count: 10, ms: 100, bytes: 64 * 1024 * 1024, "bytes/s": 64 * 1024 };
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const ceilings = new Map();
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function peak(key, unit, series) {
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if (unit === "percent") return 100;
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const floor = floors[unit] ?? 1;
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let maximum = floor;
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for (const values of series) for (const value of values) {
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if (typeof value === "number" && Number.isFinite(value) && value >= 0)
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maximum = Math.max(maximum, value);
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}
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const magnitude = 10 ** Math.floor(Math.log10(maximum));
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const tick = [1, 2, 5, 10].find(n => n * magnitude >= maximum) ?? 10;
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const result = Math.max(ceilings.get(key) ?? 0, tick * magnitude);
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ceilings.set(key, result);
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return result;
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}
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function reset(prefix) {
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for (const key of ceilings.keys()) if (key.startsWith(prefix)) ceilings.delete(key);
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}
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return { peak, reset };
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})();
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