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Beta Release to validate fix for Issue#6

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@johro897 johro897 released this 23 Jun 08:25
2.1-beta.1
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v2.1-beta.1 — Configurable currency, unit, and price scale

Closes #6

Summary

Fixes the card being hardcoded to Swedish kronor (kr) and a fixed 0–5 price range. Reported by a user feeding the card a Nordpool sensor in EUR (Dutch all-in dynamic prices, ~0.10–0.50 €/kWh) — labels showed kr and the gauge/slider barely moved since they were scaled for a 0–5 range.

No breaking changes. Existing SEK dashboards render pixel-identical to v1.0.

Changes

✨ currency config key — with auto-detection

The card now reads the Nordpool sensor's attributes.currency (an ISO code like SEK or EUR) and maps it to a display symbol:

ISO code Displayed as
SEK, NOK, DKK kr
EUR €
GBP £
USD $

Unknown codes are shown as-is. If neither the sensor nor the config provide a currency, it falls back to "kr" — identical to current behavior. Can be overridden explicitly via currency: "..." in YAML.

✨ unit config key

Same auto-detection pattern, reading attributes.unit, falling back to "kWh".

✨ price_max / price_min config keys — scalable gauge and slider

The gauge fill and simulation slider previously used a hardcoded (price / 5) * 100 and a 0.10–5.00 slider range. Both now scale against price_max / price_min.

price_max defaults to price_ok × 5/3 when not explicitly set. This was chosen over simply reusing price_ok directly (as suggested in the issue) because that would put the "Normal/High" threshold right at the top of the gauge, making the scale look perpetually red. The 5/3 factor reproduces the exact original default (price_ok=3.0 → price_max=5.0) while scaling proportionally for any other market — e.g. price_ok: 0.40 (EUR) auto-derives price_max ≈ 0.67.

✨ Editor: new "Advanced" section

Added optional fields for currency, unit, price_max, price_min in the visual editor. Left blank, they're omitted from generated YAML so auto-detection keeps working.

🔧 Internal

All hardcoded "kr" literals (activity cost strings, gauge labels, price-unit suffix, graph trend line) now resolve through _currencySuffix() / _unitSuffix().

Testing

  • Verified with the reporter's EUR/Nordpool sensor via a beta build (auto-detected €, scaled gauge/slider matched their ~0.10–0.50 range)
  • Confirmed existing SEK dashboard renders identically to v1.0
  • Confirmed visual editor Advanced fields round-trip correctly into YAML
  • Confirmed price_max/price_min manual override works alongside auto-detected currency

Files changed

  • electricity-cost-card.js — currency/unit auto-detection, scalable gauge/slider, editor Advanced section
  • README.md — new config options, EUR example, currency/unit auto-detection table, changelog
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