feat(events): adds file acceptance hooks & typescript integration (#2)

* feat(typescript): set up TS toolchain and migrate core to typescript

* feat(events): added acceptance events

`accepted-file`: accept callback returns without error
`rejected-file`: accept callback returns error
`accept-complete`: accept callback completed

* feat(ts-declarations): export TS declarations

README.md

@@ -107,6 +107,9 @@ Vue.use(VueTransmit)
 |`drag-leave`| `DragEvent` | The `drag-leave` event is fired when a dragged element or text selection leaves a valid drop target. |
 |`added-file`| `VTransmitFile` | Fired on change from the hidden file input after the Native File has been copied to VTransmitFile and added to the component data. _(status: 'added')_ |
 |`added-files`| `VTransmitFile[]` | Fired on change from the hidden file input after the Native Files have been copied to VTransmitFiles and added to the component data. _(status: 'added')_ |
+|`accepted-file`| `VTransmitFile` | Fired if the user-supplied accept function returns without error. _(status: 'added', accepted: true)_ |
+|`rejected-file`| `VTransmitFile` | Fired if the user-supplied accept function returns an error. Fired AFTER the `error` event to ensure correct file status. _(status: 'error', accepted: false)_ |
+|`accept-complete`| `VTransmitFile` | Fired after the user-supplied accept function has returned regardless of success/failure. Fired after `accepted-file` & `rejected-file`. _(status: ?, accepted: ?)_ |
 |`removed-file`| `VTransmitFile` | Fired on the removal of a file. |
 |`thumbnail`| `VTransmitFile, Blob\|URL` | Fires on creation of a thumbnail. |
 |`error`| `VTransmitFile, message: String, XmlHttpRequest` | Fired on an ajax upload error. _(status: 'error')_ |

dist/src/classes/VTransmitFile.d.ts

@@ -0,0 +1,42 @@
+export interface IUploadStats {
+    bytesSent: number;
+    progress: number;
+    total: number;
+    speed: ISpeedStats;
+    start: number;
+    end: number;
+    time: number;
+}
+export interface ISpeedStats {
+    kbps: number;
+    mbps: number;
+}
+export default class VTransmitFile {
+    private _nativeFile;
+    id: string;
+    accepted: boolean;
+    lastModified: number;
+    lastModifiedDate: Date;
+    name: string;
+    processing: boolean;
+    size: number;
+    status: string;
+    type: string;
+    upload: IUploadStats;
+    webkitRelativePath: USVString;
+    width: number;
+    height: number;
+    xhr: XMLHttpRequest;
+    dataUrl: string;
+    errorMessage: string;
+    constructor(...data: object[]);
+    set(...data: object[]): VTransmitFile;
+    copyNativeFile(file: File): VTransmitFile;
+    copyOwnAndInheritedProps(...data: object[]): VTransmitFile;
+    handleProgress(e: ProgressEvent): void;
+    startProgress(): VTransmitFile;
+    endProgress(): VTransmitFile;
+    nativeFile: File;
+    static fromNativeFile(file: File, ...data: any[]): VTransmitFile;
+    static idFactory(): string;
+}

dist/src/core/utils.d.ts

@@ -0,0 +1,23 @@
+export declare const assign: {
+    <T, U>(target: T, source: U): T & U;
+    <T, U, V>(target: T, source1: U, source2: V): T & U & V;
+    <T, U, V, W>(target: T, source1: U, source2: V, source3: W): T & U & V & W;
+    (target: object, ...sources: any[]): any;
+};
+export declare function uniqueId(prefix: string): string;
+export declare function copyOwnAndInheritedProps(obj: object): object;
+export declare type Rounding = "round" | "ceil" | "floor" | "trunc";
+export declare function round(number: number, decimals?: number, roundStyle?: Rounding): number;
+export declare function fromBytesToKbit(bytes: number): number;
+export declare function fromBytesToMbit(bytes: number): number;
+export declare function toKbps(bytes: number, seconds: number): number;
+export declare function toMbps(bytes: number, seconds: number): number;
+export declare const hbsRegex: RegExp;
+export declare function hbsReplacer(context?: object): (match: string, capture: string) => any;
+export declare enum READY_STATES {
+    UNSENT = 0,
+    OPENED = 1,
+    HEADERS_RECEIVED = 2,
+    LOADING = 3,
+    DONE = 4,
+}