Fixes und Währungsumstellung

hugo/static/js/converter.js

@@ -1,107 +1,5 @@
 'use strict';
 
-/**
- * Alpine.js navigation helpers for conversion page.
- * Handles navigation via hidden AJAX link.
- */
-function navActions() {
-	return {
-		navigate(url) {
-			this.$refs.ajaxLink.href = url;
-			this.$nextTick(() => this.$refs.ajaxLink.click());
-		},
-		navigateWithValue(url) {
-			const el = document.getElementById('value');
-			const val = el ? el.value.replace(/,/g, '.') : '1';
-			this.$refs.ajaxLink.href = url + '?v=' + val;
-			this.$nextTick(() => this.$refs.ajaxLink.click());
-		},
-		navigateWithResult(url) {
-			const el = document.getElementById('result');
-			const val = el ? el.value.replace(/,/g, '.') : '';
-			if (val) {
-				this.$refs.ajaxLink.href = url + '?v=' + val;
-			} else {
-				this.$refs.ajaxLink.href = url;
-			}
-			this.$nextTick(() => this.$refs.ajaxLink.click());
-		}
-	};
-}
-
-/**
- * Factory function for Alpine.js converter components.
- * @param {string} engine - 'linear', 'intermediate' or 'runtime'
- * @param {object} config - Engine-specific configuration
- * @returns {object} Alpine component data
- */
-function createConverter(engine, config) {
-	return {
-		inputValue: '1',
-		result: '',
-		rates: {},
-		ratesError: '',
-		ratesUpdated: '',
-		currentRate: 0,
-		async init() {
-			const params = new URLSearchParams(
-				window.location.search);
-			const valueParam = params.get('v');
-			if (valueParam) {
-				this.inputValue = valueParam.replace(/,/g, '.');
-			}
-			this.$watch('inputValue', val => {
-				if (val && val.indexOf(',') !== -1) {
-					this.inputValue = val.replace(/,/g, '.');
-				}
-			});
-			if (typeof config.init === 'function') {
-				await config.init.call(this);
-			}
-			this.calculate();
-		},
-		calculate() {
-			try {
-				const normalized = parseNumber(this.inputValue);
-				if (!normalized || isNaN(normalized)) {
-					this.result = '';
-					return;
-				}
-				const value = new Decimal(normalized);
-				let rawResult;
-				if (typeof config.convert === 'function') {
-					rawResult = config.convert.call(this, value);
-				} else if (engine === 'linear') {
-					const fromFactor = new Decimal(
-						config.fromFactor);
-					const toFactor = new Decimal(
-						config.toFactor);
-					rawResult = value.times(fromFactor)
-						.dividedBy(toFactor);
-				} else if (engine === 'intermediate') {
-					let v = value.toNumber();
-					v = config.toIntermediate(v);
-					v = config.fromIntermediate(v);
-					rawResult = new Decimal(v);
-				} else {
-					this.result = '';
-					return;
-				}
-				this.result = prettyNumber(rawResult);
-				const normalizedInputValue = this.inputValue
-					.replace(/,/g, '.');
-				if (normalizedInputValue
-					&& normalizedInputValue !== '0') {
-					history.replaceState(
-						null, '', '?v=' + normalizedInputValue);
-				}
-			} catch (e) {
-				this.result = '';
-			}
-		}
-	};
-}
-
 /**
  * Formats a number as plain digits with dot as decimal separator.
  * @param {Decimal|string|number} num
@@ -126,7 +24,7 @@ function prettyNumber(num, minPrecision, maxPrecision) {
 	// Larger numbers need fewer decimal places for readable output;
 	// smaller numbers get more to stay meaningful.
 	let precision = maxPrecision;
-	if (absVal.gte(1000000)) {
+	if (absVal.gte(10000)) {
 		precision = 2;
 	} else if (absVal.gte(1000)) {
 		precision = 4;
@@ -160,3 +58,39 @@ function parseNumber(input) {
 	}
 	return input.replace(/,/g, '.') || '0';
 }
+
+/**
+ * Prepares input value for conversion.
+ * Returns a Decimal, or 1 if input is empty.
+ * @param {string} input - User input from field
+ * @returns {Decimal} Prepared value
+ */
+function prepareValue(input) {
+	if (!input || input.trim() === '') {
+		return new Decimal(1);
+	}
+	return new Decimal(input.replace(/,/g, '.'));
+}
+
+/**
+ * Updates the URL with the current input value.
+ * @param {string} value - The input value
+ */
+function updateUrl(value) {
+	const normalized = value ? value.replace(/,/g, '.') : '';
+	if (normalized && normalized !== '0') {
+		history.replaceState(null, '', '?v=' + normalized);
+	} else {
+		history.replaceState(null, '', '?v=1');
+	}
+}
+
+/**
+ * Navigates to a new URL with the current input value as parameter.
+ * @param {string} url - Target URL
+ * @param {string} value - Current input value
+ */
+function navigate(url, value) {
+	const normalized = value ? value.replace(/,/g, '.') : '1';
+	window.location.href = url + '?v=' + normalized;
+}