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Текущая директория: /opt/BitGoJS/node_modules/blob-util/dist
Просмотр файла: blob-util.d.ts
/**
* Shim for
* [`new Blob()`](https://developer.mozilla.org/en-US/docs/Web/API/Blob.Blob)
* to support
* [older browsers that use the deprecated `BlobBuilder` API](http://caniuse.com/blob).
*
* Example:
*
* ```js
* var myBlob = blobUtil.createBlob(['hello world'], {type: 'text/plain'});
* ```
*
* @param parts - content of the Blob
* @param properties - usually `{type: myContentType}`,
* you can also pass a string for the content type
* @returns Blob
*/
export declare function createBlob(parts: Array<any>, properties?: BlobPropertyBag | string): Blob;
/**
* Shim for
* [`URL.createObjectURL()`](https://developer.mozilla.org/en-US/docs/Web/API/URL.createObjectURL)
* to support browsers that only have the prefixed
* `webkitURL` (e.g. Android <4.4).
*
* Example:
*
* ```js
* var myUrl = blobUtil.createObjectURL(blob);
* ```
*
* @param blob
* @returns url
*/
export declare function createObjectURL(blob: Blob): string;
/**
* Shim for
* [`URL.revokeObjectURL()`](https://developer.mozilla.org/en-US/docs/Web/API/URL.revokeObjectURL)
* to support browsers that only have the prefixed
* `webkitURL` (e.g. Android <4.4).
*
* Example:
*
* ```js
* blobUtil.revokeObjectURL(myUrl);
* ```
*
* @param url
*/
export declare function revokeObjectURL(url: string): void;
/**
* Convert a `Blob` to a binary string.
*
* Example:
*
* ```js
* blobUtil.blobToBinaryString(blob).then(function (binaryString) {
* // success
* }).catch(function (err) {
* // error
* });
* ```
*
* @param blob
* @returns Promise that resolves with the binary string
*/
export declare function blobToBinaryString(blob: Blob): Promise<string>;
/**
* Convert a base64-encoded string to a `Blob`.
*
* Example:
*
* ```js
* var blob = blobUtil.base64StringToBlob(base64String);
* ```
* @param base64 - base64-encoded string
* @param type - the content type (optional)
* @returns Blob
*/
export declare function base64StringToBlob(base64: string, type?: string): Blob;
/**
* Convert a binary string to a `Blob`.
*
* Example:
*
* ```js
* var blob = blobUtil.binaryStringToBlob(binaryString);
* ```
*
* @param binary - binary string
* @param type - the content type (optional)
* @returns Blob
*/
export declare function binaryStringToBlob(binary: string, type?: string): Blob;
/**
* Convert a `Blob` to a binary string.
*
* Example:
*
* ```js
* blobUtil.blobToBase64String(blob).then(function (base64String) {
* // success
* }).catch(function (err) {
* // error
* });
* ```
*
* @param blob
* @returns Promise that resolves with the binary string
*/
export declare function blobToBase64String(blob: Blob): Promise<string>;
/**
* Convert a data URL string
* (e.g. `'data:image/png;base64,iVBORw0KG...'`)
* to a `Blob`.
*
* Example:
*
* ```js
* var blob = blobUtil.dataURLToBlob(dataURL);
* ```
*
* @param dataURL - dataURL-encoded string
* @returns Blob
*/
export declare function dataURLToBlob(dataURL: string): Blob;
/**
* Convert a `Blob` to a data URL string
* (e.g. `'data:image/png;base64,iVBORw0KG...'`).
*
* Example:
*
* ```js
* var dataURL = blobUtil.blobToDataURL(blob);
* ```
*
* @param blob
* @returns Promise that resolves with the data URL string
*/
export declare function blobToDataURL(blob: Blob): Promise<string>;
/**
* Convert an image's `src` URL to a data URL by loading the image and painting
* it to a `canvas`.
*
* Note: this will coerce the image to the desired content type, and it
* will only paint the first frame of an animated GIF.
*
* Examples:
*
* ```js
* blobUtil.imgSrcToDataURL('http://mysite.com/img.png').then(function (dataURL) {
* // success
* }).catch(function (err) {
* // error
* });
* ```
*
* ```js
* blobUtil.imgSrcToDataURL('http://some-other-site.com/img.jpg', 'image/jpeg',
* 'Anonymous', 1.0).then(function (dataURL) {
* // success
* }).catch(function (err) {
* // error
* });
* ```
*
* @param src - image src
* @param type - the content type (optional, defaults to 'image/png')
* @param crossOrigin - for CORS-enabled images, set this to
* 'Anonymous' to avoid "tainted canvas" errors
* @param quality - a number between 0 and 1 indicating image quality
* if the requested type is 'image/jpeg' or 'image/webp'
* @returns Promise that resolves with the data URL string
*/
export declare function imgSrcToDataURL(src: string, type?: string, crossOrigin?: string, quality?: number): Promise<string>;
/**
* Convert a `canvas` to a `Blob`.
*
* Examples:
*
* ```js
* blobUtil.canvasToBlob(canvas).then(function (blob) {
* // success
* }).catch(function (err) {
* // error
* });
* ```
*
* Most browsers support converting a canvas to both `'image/png'` and `'image/jpeg'`. You may
* also want to try `'image/webp'`, which will work in some browsers like Chrome (and in other browsers, will just fall back to `'image/png'`):
*
* ```js
* blobUtil.canvasToBlob(canvas, 'image/webp').then(function (blob) {
* // success
* }).catch(function (err) {
* // error
* });
* ```
*
* @param canvas - HTMLCanvasElement
* @param type - the content type (optional, defaults to 'image/png')
* @param quality - a number between 0 and 1 indicating image quality
* if the requested type is 'image/jpeg' or 'image/webp'
* @returns Promise that resolves with the `Blob`
*/
export declare function canvasToBlob(canvas: HTMLCanvasElement, type?: string, quality?: number): Promise<Blob>;
/**
* Convert an image's `src` URL to a `Blob` by loading the image and painting
* it to a `canvas`.
*
* Note: this will coerce the image to the desired content type, and it
* will only paint the first frame of an animated GIF.
*
* Examples:
*
* ```js
* blobUtil.imgSrcToBlob('http://mysite.com/img.png').then(function (blob) {
* // success
* }).catch(function (err) {
* // error
* });
* ```
*
* ```js
* blobUtil.imgSrcToBlob('http://some-other-site.com/img.jpg', 'image/jpeg',
* 'Anonymous', 1.0).then(function (blob) {
* // success
* }).catch(function (err) {
* // error
* });
* ```
*
* @param src - image src
* @param type - the content type (optional, defaults to 'image/png')
* @param crossOrigin - for CORS-enabled images, set this to
* 'Anonymous' to avoid "tainted canvas" errors
* @param quality - a number between 0 and 1 indicating image quality
* if the requested type is 'image/jpeg' or 'image/webp'
* @returns Promise that resolves with the `Blob`
*/
export declare function imgSrcToBlob(src: string, type?: string, crossOrigin?: string, quality?: number): Promise<Blob>;
/**
* Convert an `ArrayBuffer` to a `Blob`.
*
* Example:
*
* ```js
* var blob = blobUtil.arrayBufferToBlob(arrayBuff, 'audio/mpeg');
* ```
*
* @param buffer
* @param type - the content type (optional)
* @returns Blob
*/
export declare function arrayBufferToBlob(buffer: ArrayBuffer, type?: string): Blob;
/**
* Convert a `Blob` to an `ArrayBuffer`.
*
* Example:
*
* ```js
* blobUtil.blobToArrayBuffer(blob).then(function (arrayBuff) {
* // success
* }).catch(function (err) {
* // error
* });
* ```
*
* @param blob
* @returns Promise that resolves with the `ArrayBuffer`
*/
export declare function blobToArrayBuffer(blob: Blob): Promise<ArrayBuffer>;
/**
* Convert an `ArrayBuffer` to a binary string.
*
* Example:
*
* ```js
* var myString = blobUtil.arrayBufferToBinaryString(arrayBuff)
* ```
*
* @param buffer - array buffer
* @returns binary string
*/
export declare function arrayBufferToBinaryString(buffer: ArrayBuffer): string;
/**
* Convert a binary string to an `ArrayBuffer`.
*
* ```js
* var myBuffer = blobUtil.binaryStringToArrayBuffer(binaryString)
* ```
*
* @param binary - binary string
* @returns array buffer
*/
export declare function binaryStringToArrayBuffer(binary: string): ArrayBuffer;
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