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Extract common MIME types

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This commit is contained in:
Daniel Gasienica 2018-05-07 11:24:40 -04:00
parent 8a4f062120
commit fa4c3fda2b
3 changed files with 13 additions and 9 deletions
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10
ts/test/types/Attachment_test.ts
View file

@ -5,7 +5,7 @@ import 'mocha';
import { assert } from 'chai';
import * as Attachment from '../../types/Attachment';
import { MIMEType } from '../../types/MIME';
import * as MIME from '../../types/MIME';
// @ts-ignore
import { stringToArrayBuffer } from '../../../js/modules/string_to_array_buffer';
@ -14,7 +14,7 @@ describe('Attachment', () => {
it('should return file extension from content type', () => {
const input: Attachment.Attachment = {
data: stringToArrayBuffer('foo'),
contentType: 'image/gif' as MIMEType,
contentType: MIME.IMAGE_GIF,
};
assert.strictEqual(Attachment.getFileExtension(input), 'gif');
});
@ -22,7 +22,7 @@ describe('Attachment', () => {
it('should return file extension for QuickTime videos', () => {
const input: Attachment.Attachment = {
data: stringToArrayBuffer('foo'),
contentType: 'video/quicktime' as MIMEType,
contentType: MIME.VIDEO_QUICKTIME,
};
assert.strictEqual(Attachment.getFileExtension(input), 'mov');
});
@ -34,7 +34,7 @@ describe('Attachment', () => {
const attachment: Attachment.Attachment = {
fileName: 'funny-cat.mov',
data: stringToArrayBuffer('foo'),
contentType: 'video/quicktime' as MIMEType,
contentType: MIME.VIDEO_QUICKTIME,
};
const actual = Attachment.getSuggestedFilename({ attachment });
const expected = 'funny-cat.mov';
@ -45,7 +45,7 @@ describe('Attachment', () => {
it('should generate a filename based on timestamp', () => {
const attachment: Attachment.Attachment = {
data: stringToArrayBuffer('foo'),
contentType: 'video/quicktime' as MIMEType,
contentType: MIME.VIDEO_QUICKTIME,
};
const timestamp = new Date(new Date(0).getTimezoneOffset() * 60 * 1000);
const actual = Attachment.getSuggestedFilename({

6
ts/test/types/message/initializeAttachmentMetadata_test.ts
View file

@ -3,7 +3,7 @@ import { assert } from 'chai';
import * as Message from '../../../../ts/types/message/initializeAttachmentMetadata';
import { IncomingMessage } from '../../../../ts/types/Message';
import { MIMEType } from '../../../../ts/types/MIME';
import * as MIME from '../../../../ts/types/MIME';
// @ts-ignore
import { stringToArrayBuffer } from '../../../../js/modules/string_to_array_buffer';
@ -19,7 +19,7 @@ describe('Message', () => {
sent_at: 1523317140800,
attachments: [
{
contentType: 'image/jpeg' as MIMEType,
contentType: MIME.IMAGE_JPEG,
data: stringToArrayBuffer('foo'),
fileName: 'foo.jpg',
size: 1111,
@ -35,7 +35,7 @@ describe('Message', () => {
sent_at: 1523317140800,
attachments: [
{
contentType: 'image/jpeg' as MIMEType,
contentType: MIME.IMAGE_JPEG,
data: stringToArrayBuffer('foo'),
fileName: 'foo.jpg',
size: 1111,

6
ts/types/MIME.ts
View file

@ -1,8 +1,12 @@
export type MIMEType = string & { _mimeTypeBrand: any };
export const APPLICATION_OCTET_STREAM = 'application/octet-stream' as MIMEType;
export const IMAGE_GIF = 'image/gif' as MIMEType;
export const IMAGE_JPEG = 'image/jpeg' as MIMEType;
export const VIDEO_QUICKTIME = 'video/quicktime' as MIMEType;
export const isJPEG = (value: MIMEType): boolean => value === 'image/jpeg';
export const isImage = (value: MIMEType): boolean => value.startsWith('image/');
export const isVideo = (value: MIMEType): boolean => value.startsWith('video/');
export const isAudio = (value: MIMEType): boolean => value.startsWith('audio/');
export const APPLICATION_OCTET_STREAM = 'application/octet-stream' as MIMEType;