38 lines
1 KiB
Dart
38 lines
1 KiB
Dart
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import 'dart:convert';
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import 'package:flutter/services.dart'; // For rootBundle
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class Versions {
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// Private static instance variable
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static final Versions _instance = Versions._internal();
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// Internal map to store version data
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late Map<String, Map<String, String>> _data;
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// Private constructor
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Versions._internal();
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// Public factory constructor to provide the same instance
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factory Versions() {
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return _instance;
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}
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// Load JSON data
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Future<void> load() async {
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try {
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// Load the JSON file
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final String jsonString = await rootBundle.loadString('assets/versions.json');
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final Map<String, dynamic> jsonResponse = json.decode(jsonString);
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// Convert the loaded JSON into a Map
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_data = jsonResponse.map((key, value) => MapEntry(key, Map<String, String>.from(value)));
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} catch (e) {
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print("Error loading versions: $e");
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}
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}
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// Get version for a given component
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String? getVersion(String component) {
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return _data[component]?['default'];
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}
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}
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