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Fix invocation error

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This commit is contained in:
Reece Browne 2025-09-04 10:43:15 +01:00
parent c904e591b0
commit bdf2c0397e
1 changed files with 16 additions and 8 deletions
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24
frontend/src/types/fileContext.ts
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@ -102,15 +102,23 @@ export function createStirlingFile(file: File, id?: FileId): StirlingFile {
const fileId = id || createFileId();
const quickKey = createQuickKey(file);
// Create a new object that inherits from the File instance
// This preserves all File methods and properties while avoiding binding issues
const stirlingFile = Object.assign(
Object.create(Object.getPrototypeOf(file)), // Proper prototype chain
file, // Copy all properties (enumerable and non-enumerable)
{ fileId, quickKey } // Add our custom properties
) as StirlingFile;
// Use Object.defineProperty to add properties while preserving the original File object
// This maintains proper method binding and avoids "Illegal invocation" errors
Object.defineProperty(file, 'fileId', {
value: fileId,
writable: false,
enumerable: true,
configurable: false
});
Object.defineProperty(file, 'quickKey', {
value: quickKey,
writable: false,
enumerable: true,
configurable: false
});
return stirlingFile;
return file as StirlingFile;
}
// Extract FileIds from StirlingFile array