smartrequest/ts/smartrequest.formdata.ts
2020-08-24 12:01:38 +00:00

69 lines
2.0 KiB
TypeScript

import * as plugins from './smartrequest.plugins';
import * as interfaces from './smartrequest.interfaces';
import { request } from './smartrequest.request';
/**
* the interfae for FormFieldData
*/
export interface IFormField {
name: string;
type: 'string' | 'filePath' | 'Buffer';
payload: string | Buffer;
fileName?: string;
contentType?: string;
}
const appendFormField = async (formDataArg: plugins.formData, formDataField: IFormField) => {
switch (formDataField.type) {
case 'string':
formDataArg.append(formDataField.name, formDataField.payload);
break;
case 'filePath':
if (typeof formDataField.payload !== 'string') {
throw new Error(
`Payload for key ${
formDataField.name
} must be of type string. Got ${typeof formDataField.payload} instead.`
);
}
const fileData = plugins.fs.readFileSync(
plugins.path.join(process.cwd(), formDataField.payload)
);
formDataArg.append('file', fileData, {
filename: formDataField.fileName ? formDataField.fileName : 'upload.pdf',
contentType: 'application/pdf',
});
break;
case 'Buffer':
formDataArg.append(formDataField.name, formDataField.payload, {
filename: formDataField.fileName ? formDataField.fileName : 'upload.pdf',
contentType: formDataField.contentType ? formDataField.contentType : 'application/pdf',
});
break;
}
};
export const postFormData = async (
urlArg: string,
optionsArg: interfaces.ISmartRequestOptions = {},
payloadArg: IFormField[]
) => {
const form = new plugins.formData();
for (const formField of payloadArg) {
await appendFormField(form, formField);
}
const requestOptions = {
...optionsArg,
method: 'POST',
headers: {
...optionsArg.headers,
...form.getHeaders(),
},
requestBody: form,
};
// lets fire the actual request for sending the formdata
const response = await request(urlArg, requestOptions);
return response;
};