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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | 1x 1x 1x 1x | // Copyright IBM Corp. 2020. All Rights Reserved.
// Node module: @loopback/example-file-transfer
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
import {
BindingScope,
config,
ContextTags,
injectable,
Provider
} from '@loopback/core';
import multer from 'multer';
import {FILE_UPLOAD_SERVICE} from '../keys';
import {FileUploadHandler} from '../types';
/**
* A provider to return an `Express` request handler from `multer` middleware
*/
@injectable({
scope: BindingScope.TRANSIENT,
tags: {[ContextTags.KEY]: FILE_UPLOAD_SERVICE},
})
export class FileUploadProvider implements Provider<FileUploadHandler> {
constructor(@config() private options: multer.Options = {}) {
if (!this.options.storage) {
// Default to in-memory storage
this.options.storage = multer.memoryStorage();
}
}
value(): FileUploadHandler {
return multer(this.options).any();
}
}
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