zumerlab
diff --git a/‎src/core/context.js‎
Lines changed: 3 additions & 2 deletions b/‎src/core/context.js‎
Lines changed: 3 additions & 2 deletions
@@ -47,7 +47,8 @@ export function normalizeCachePolicy(v) {
  * @returns {Object}
  */
 export function createContext(options = {}) {
- const resolvedFormat = options.format ?? 'png'
+ let resolvedFormat = options.format ?? 'png'
+ if (resolvedFormat === 'jpg') resolvedFormat = 'jpeg'
  /** @type {CachePolicy} */
  const cachePolicy = normalizeCachePolicy(options.cache)
 
@@ -88,7 +89,7 @@ export function createContext(options = {}) {
  quality: options.quality ?? 0.92,
  dpr: options.dpr ?? (window.devicePixelRatio || 1),
  backgroundColor:
- options.backgroundColor ?? (['jpg', 'jpeg', 'webp'].includes(resolvedFormat) ? '#ffffff' : null),
+ options.backgroundColor ?? (['jpeg', 'webp'].includes(resolvedFormat) ? '#ffffff' : null),
  filename: options.filename ?? 'snapDOM',
 
  // NEW flags (user-friendly)