37 lines
738 B
JavaScript
37 lines
738 B
JavaScript
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class HighscoreManager {
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constructor() {
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this._deserialize();
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}
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_deserialize() {
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let raw = localStorage.getItem('rhythm.hst');
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if(!raw) {
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this._highscores = {};
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this._serialize();
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} else {
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this._highscores = JSON.parse(atob(raw));
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}
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}
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_serialize() {
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localStorage.setItem('rhythm.hst', btoa(JSON.stringify(this._highscores)));
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}
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getHighscore(songId) {
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return this._highscores[songId]
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}
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setHighscore(songId, name, score) {
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let existing = this.getHighscore(songId);
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if(existing != undefined && existing.score <= score)
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return;
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this._highscores[songId] = {
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name,
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score
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}
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this._serialize();
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}
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}
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export default new HighscoreManager();
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