This commit is contained in:
Lukáš Kaňka
2023-08-15 18:35:50 +02:00
commit ea3e372146
10019 changed files with 2548539 additions and 0 deletions

View File

@ -0,0 +1,454 @@
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
// TODO: including these in blob-util.ts causes typedoc to generate docs for them,
// even with --excludePrivate ¯\_(ツ)_/¯
/** @private */
function loadImage(src, crossOrigin) {
return new Promise(function (resolve, reject) {
var img = new Image();
if (crossOrigin) {
img.crossOrigin = crossOrigin;
}
img.onload = function () {
resolve(img);
};
img.onerror = reject;
img.src = src;
});
}
/** @private */
function imgToCanvas(img) {
var canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
// copy the image contents to the canvas
var context = canvas.getContext('2d');
context.drawImage(img, 0, 0, img.width, img.height, 0, 0, img.width, img.height);
return canvas;
}
/* global Promise, Image, Blob, FileReader, atob, btoa,
BlobBuilder, MSBlobBuilder, MozBlobBuilder, WebKitBlobBuilder, webkitURL */
/**
* 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
*/
function createBlob(parts, properties) {
parts = parts || [];
properties = properties || {};
if (typeof properties === 'string') {
properties = { type: properties }; // infer content type
}
try {
return new Blob(parts, properties);
}
catch (e) {
if (e.name !== 'TypeError') {
throw e;
}
var Builder = typeof BlobBuilder !== 'undefined'
? BlobBuilder : typeof MSBlobBuilder !== 'undefined'
? MSBlobBuilder : typeof MozBlobBuilder !== 'undefined'
? MozBlobBuilder : WebKitBlobBuilder;
var builder = new Builder();
for (var i = 0; i < parts.length; i += 1) {
builder.append(parts[i]);
}
return builder.getBlob(properties.type);
}
}
/**
* 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
*/
function createObjectURL(blob) {
return (typeof URL !== 'undefined' ? URL : webkitURL).createObjectURL(blob);
}
/**
* 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
*/
function revokeObjectURL(url) {
return (typeof URL !== 'undefined' ? URL : webkitURL).revokeObjectURL(url);
}
/**
* 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
*/
function blobToBinaryString(blob) {
return new Promise(function (resolve, reject) {
var reader = new FileReader();
var hasBinaryString = typeof reader.readAsBinaryString === 'function';
reader.onloadend = function () {
var result = reader.result || '';
if (hasBinaryString) {
return resolve(result);
}
resolve(arrayBufferToBinaryString(result));
};
reader.onerror = reject;
if (hasBinaryString) {
reader.readAsBinaryString(blob);
}
else {
reader.readAsArrayBuffer(blob);
}
});
}
/**
* 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
*/
function base64StringToBlob(base64, type) {
var parts = [binaryStringToArrayBuffer(atob(base64))];
return type ? createBlob(parts, { type: type }) : createBlob(parts);
}
/**
* 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
*/
function binaryStringToBlob(binary, type) {
return base64StringToBlob(btoa(binary), type);
}
/**
* 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
*/
function blobToBase64String(blob) {
return blobToBinaryString(blob).then(btoa);
}
/**
* 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
*/
function dataURLToBlob(dataURL) {
var type = dataURL.match(/data:([^;]+)/)[1];
var base64 = dataURL.replace(/^[^,]+,/, '');
var buff = binaryStringToArrayBuffer(atob(base64));
return createBlob([buff], { type: type });
}
/**
* 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
*/
function blobToDataURL(blob) {
return blobToBase64String(blob).then(function (base64String) {
return 'data:' + blob.type + ';base64,' + base64String;
});
}
/**
* 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
*/
function imgSrcToDataURL(src, type, crossOrigin, quality) {
type = type || 'image/png';
return loadImage(src, crossOrigin).then(imgToCanvas).then(function (canvas) {
return canvas.toDataURL(type, quality);
});
}
/**
* 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`
*/
function canvasToBlob(canvas, type, quality) {
if (typeof canvas.toBlob === 'function') {
return new Promise(function (resolve) {
canvas.toBlob(resolve, type, quality);
});
}
return Promise.resolve(dataURLToBlob(canvas.toDataURL(type, quality)));
}
/**
* 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`
*/
function imgSrcToBlob(src, type, crossOrigin, quality) {
type = type || 'image/png';
return loadImage(src, crossOrigin).then(imgToCanvas).then(function (canvas) {
return canvasToBlob(canvas, type, quality);
});
}
/**
* 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
*/
function arrayBufferToBlob(buffer, type) {
return createBlob([buffer], type);
}
/**
* 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`
*/
function blobToArrayBuffer(blob) {
return new Promise(function (resolve, reject) {
var reader = new FileReader();
reader.onloadend = function () {
var result = reader.result || new ArrayBuffer(0);
resolve(result);
};
reader.onerror = reject;
reader.readAsArrayBuffer(blob);
});
}
/**
* Convert an `ArrayBuffer` to a binary string.
*
* Example:
*
* ```js
* var myString = blobUtil.arrayBufferToBinaryString(arrayBuff)
* ```
*
* @param buffer - array buffer
* @returns binary string
*/
function arrayBufferToBinaryString(buffer) {
var binary = '';
var bytes = new Uint8Array(buffer);
var length = bytes.byteLength;
var i = -1;
while (++i < length) {
binary += String.fromCharCode(bytes[i]);
}
return binary;
}
/**
* Convert a binary string to an `ArrayBuffer`.
*
* ```js
* var myBuffer = blobUtil.binaryStringToArrayBuffer(binaryString)
* ```
*
* @param binary - binary string
* @returns array buffer
*/
function binaryStringToArrayBuffer(binary) {
var length = binary.length;
var buf = new ArrayBuffer(length);
var arr = new Uint8Array(buf);
var i = -1;
while (++i < length) {
arr[i] = binary.charCodeAt(i);
}
return buf;
}
exports.createBlob = createBlob;
exports.createObjectURL = createObjectURL;
exports.revokeObjectURL = revokeObjectURL;
exports.blobToBinaryString = blobToBinaryString;
exports.base64StringToBlob = base64StringToBlob;
exports.binaryStringToBlob = binaryStringToBlob;
exports.blobToBase64String = blobToBase64String;
exports.dataURLToBlob = dataURLToBlob;
exports.blobToDataURL = blobToDataURL;
exports.imgSrcToDataURL = imgSrcToDataURL;
exports.canvasToBlob = canvasToBlob;
exports.imgSrcToBlob = imgSrcToBlob;
exports.arrayBufferToBlob = arrayBufferToBlob;
exports.blobToArrayBuffer = blobToArrayBuffer;
exports.arrayBufferToBinaryString = arrayBufferToBinaryString;
exports.binaryStringToArrayBuffer = binaryStringToArrayBuffer;

View File

@ -0,0 +1,295 @@
/**
* 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;

View File

@ -0,0 +1,435 @@
// TODO: including these in blob-util.ts causes typedoc to generate docs for them,
// even with --excludePrivate ¯\_(ツ)_/¯
/** @private */
function loadImage(src, crossOrigin) {
return new Promise(function (resolve, reject) {
var img = new Image();
if (crossOrigin) {
img.crossOrigin = crossOrigin;
}
img.onload = function () {
resolve(img);
};
img.onerror = reject;
img.src = src;
});
}
/** @private */
function imgToCanvas(img) {
var canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
// copy the image contents to the canvas
var context = canvas.getContext('2d');
context.drawImage(img, 0, 0, img.width, img.height, 0, 0, img.width, img.height);
return canvas;
}
/* global Promise, Image, Blob, FileReader, atob, btoa,
BlobBuilder, MSBlobBuilder, MozBlobBuilder, WebKitBlobBuilder, webkitURL */
/**
* 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
*/
function createBlob(parts, properties) {
parts = parts || [];
properties = properties || {};
if (typeof properties === 'string') {
properties = { type: properties }; // infer content type
}
try {
return new Blob(parts, properties);
}
catch (e) {
if (e.name !== 'TypeError') {
throw e;
}
var Builder = typeof BlobBuilder !== 'undefined'
? BlobBuilder : typeof MSBlobBuilder !== 'undefined'
? MSBlobBuilder : typeof MozBlobBuilder !== 'undefined'
? MozBlobBuilder : WebKitBlobBuilder;
var builder = new Builder();
for (var i = 0; i < parts.length; i += 1) {
builder.append(parts[i]);
}
return builder.getBlob(properties.type);
}
}
/**
* 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
*/
function createObjectURL(blob) {
return (typeof URL !== 'undefined' ? URL : webkitURL).createObjectURL(blob);
}
/**
* 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
*/
function revokeObjectURL(url) {
return (typeof URL !== 'undefined' ? URL : webkitURL).revokeObjectURL(url);
}
/**
* 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
*/
function blobToBinaryString(blob) {
return new Promise(function (resolve, reject) {
var reader = new FileReader();
var hasBinaryString = typeof reader.readAsBinaryString === 'function';
reader.onloadend = function () {
var result = reader.result || '';
if (hasBinaryString) {
return resolve(result);
}
resolve(arrayBufferToBinaryString(result));
};
reader.onerror = reject;
if (hasBinaryString) {
reader.readAsBinaryString(blob);
}
else {
reader.readAsArrayBuffer(blob);
}
});
}
/**
* 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
*/
function base64StringToBlob(base64, type) {
var parts = [binaryStringToArrayBuffer(atob(base64))];
return type ? createBlob(parts, { type: type }) : createBlob(parts);
}
/**
* 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
*/
function binaryStringToBlob(binary, type) {
return base64StringToBlob(btoa(binary), type);
}
/**
* 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
*/
function blobToBase64String(blob) {
return blobToBinaryString(blob).then(btoa);
}
/**
* 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
*/
function dataURLToBlob(dataURL) {
var type = dataURL.match(/data:([^;]+)/)[1];
var base64 = dataURL.replace(/^[^,]+,/, '');
var buff = binaryStringToArrayBuffer(atob(base64));
return createBlob([buff], { type: type });
}
/**
* 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
*/
function blobToDataURL(blob) {
return blobToBase64String(blob).then(function (base64String) {
return 'data:' + blob.type + ';base64,' + base64String;
});
}
/**
* 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
*/
function imgSrcToDataURL(src, type, crossOrigin, quality) {
type = type || 'image/png';
return loadImage(src, crossOrigin).then(imgToCanvas).then(function (canvas) {
return canvas.toDataURL(type, quality);
});
}
/**
* 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`
*/
function canvasToBlob(canvas, type, quality) {
if (typeof canvas.toBlob === 'function') {
return new Promise(function (resolve) {
canvas.toBlob(resolve, type, quality);
});
}
return Promise.resolve(dataURLToBlob(canvas.toDataURL(type, quality)));
}
/**
* 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`
*/
function imgSrcToBlob(src, type, crossOrigin, quality) {
type = type || 'image/png';
return loadImage(src, crossOrigin).then(imgToCanvas).then(function (canvas) {
return canvasToBlob(canvas, type, quality);
});
}
/**
* 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
*/
function arrayBufferToBlob(buffer, type) {
return createBlob([buffer], type);
}
/**
* 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`
*/
function blobToArrayBuffer(blob) {
return new Promise(function (resolve, reject) {
var reader = new FileReader();
reader.onloadend = function () {
var result = reader.result || new ArrayBuffer(0);
resolve(result);
};
reader.onerror = reject;
reader.readAsArrayBuffer(blob);
});
}
/**
* Convert an `ArrayBuffer` to a binary string.
*
* Example:
*
* ```js
* var myString = blobUtil.arrayBufferToBinaryString(arrayBuff)
* ```
*
* @param buffer - array buffer
* @returns binary string
*/
function arrayBufferToBinaryString(buffer) {
var binary = '';
var bytes = new Uint8Array(buffer);
var length = bytes.byteLength;
var i = -1;
while (++i < length) {
binary += String.fromCharCode(bytes[i]);
}
return binary;
}
/**
* Convert a binary string to an `ArrayBuffer`.
*
* ```js
* var myBuffer = blobUtil.binaryStringToArrayBuffer(binaryString)
* ```
*
* @param binary - binary string
* @returns array buffer
*/
function binaryStringToArrayBuffer(binary) {
var length = binary.length;
var buf = new ArrayBuffer(length);
var arr = new Uint8Array(buf);
var i = -1;
while (++i < length) {
arr[i] = binary.charCodeAt(i);
}
return buf;
}
export { createBlob, createObjectURL, revokeObjectURL, blobToBinaryString, base64StringToBlob, binaryStringToBlob, blobToBase64String, dataURLToBlob, blobToDataURL, imgSrcToDataURL, canvasToBlob, imgSrcToBlob, arrayBufferToBlob, blobToArrayBuffer, arrayBufferToBinaryString, binaryStringToArrayBuffer };

View File

@ -0,0 +1,460 @@
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.blobUtil = {})));
}(this, (function (exports) { 'use strict';
// TODO: including these in blob-util.ts causes typedoc to generate docs for them,
// even with --excludePrivate ¯\_(ツ)_/¯
/** @private */
function loadImage(src, crossOrigin) {
return new Promise(function (resolve, reject) {
var img = new Image();
if (crossOrigin) {
img.crossOrigin = crossOrigin;
}
img.onload = function () {
resolve(img);
};
img.onerror = reject;
img.src = src;
});
}
/** @private */
function imgToCanvas(img) {
var canvas = document.createElement('canvas');
canvas.width = img.width;
canvas.height = img.height;
// copy the image contents to the canvas
var context = canvas.getContext('2d');
context.drawImage(img, 0, 0, img.width, img.height, 0, 0, img.width, img.height);
return canvas;
}
/* global Promise, Image, Blob, FileReader, atob, btoa,
BlobBuilder, MSBlobBuilder, MozBlobBuilder, WebKitBlobBuilder, webkitURL */
/**
* 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
*/
function createBlob(parts, properties) {
parts = parts || [];
properties = properties || {};
if (typeof properties === 'string') {
properties = { type: properties }; // infer content type
}
try {
return new Blob(parts, properties);
}
catch (e) {
if (e.name !== 'TypeError') {
throw e;
}
var Builder = typeof BlobBuilder !== 'undefined'
? BlobBuilder : typeof MSBlobBuilder !== 'undefined'
? MSBlobBuilder : typeof MozBlobBuilder !== 'undefined'
? MozBlobBuilder : WebKitBlobBuilder;
var builder = new Builder();
for (var i = 0; i < parts.length; i += 1) {
builder.append(parts[i]);
}
return builder.getBlob(properties.type);
}
}
/**
* 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
*/
function createObjectURL(blob) {
return (typeof URL !== 'undefined' ? URL : webkitURL).createObjectURL(blob);
}
/**
* 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
*/
function revokeObjectURL(url) {
return (typeof URL !== 'undefined' ? URL : webkitURL).revokeObjectURL(url);
}
/**
* 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
*/
function blobToBinaryString(blob) {
return new Promise(function (resolve, reject) {
var reader = new FileReader();
var hasBinaryString = typeof reader.readAsBinaryString === 'function';
reader.onloadend = function () {
var result = reader.result || '';
if (hasBinaryString) {
return resolve(result);
}
resolve(arrayBufferToBinaryString(result));
};
reader.onerror = reject;
if (hasBinaryString) {
reader.readAsBinaryString(blob);
}
else {
reader.readAsArrayBuffer(blob);
}
});
}
/**
* 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
*/
function base64StringToBlob(base64, type) {
var parts = [binaryStringToArrayBuffer(atob(base64))];
return type ? createBlob(parts, { type: type }) : createBlob(parts);
}
/**
* 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
*/
function binaryStringToBlob(binary, type) {
return base64StringToBlob(btoa(binary), type);
}
/**
* 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
*/
function blobToBase64String(blob) {
return blobToBinaryString(blob).then(btoa);
}
/**
* 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
*/
function dataURLToBlob(dataURL) {
var type = dataURL.match(/data:([^;]+)/)[1];
var base64 = dataURL.replace(/^[^,]+,/, '');
var buff = binaryStringToArrayBuffer(atob(base64));
return createBlob([buff], { type: type });
}
/**
* 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
*/
function blobToDataURL(blob) {
return blobToBase64String(blob).then(function (base64String) {
return 'data:' + blob.type + ';base64,' + base64String;
});
}
/**
* 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
*/
function imgSrcToDataURL(src, type, crossOrigin, quality) {
type = type || 'image/png';
return loadImage(src, crossOrigin).then(imgToCanvas).then(function (canvas) {
return canvas.toDataURL(type, quality);
});
}
/**
* 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`
*/
function canvasToBlob(canvas, type, quality) {
if (typeof canvas.toBlob === 'function') {
return new Promise(function (resolve) {
canvas.toBlob(resolve, type, quality);
});
}
return Promise.resolve(dataURLToBlob(canvas.toDataURL(type, quality)));
}
/**
* 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`
*/
function imgSrcToBlob(src, type, crossOrigin, quality) {
type = type || 'image/png';
return loadImage(src, crossOrigin).then(imgToCanvas).then(function (canvas) {
return canvasToBlob(canvas, type, quality);
});
}
/**
* 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
*/
function arrayBufferToBlob(buffer, type) {
return createBlob([buffer], type);
}
/**
* 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`
*/
function blobToArrayBuffer(blob) {
return new Promise(function (resolve, reject) {
var reader = new FileReader();
reader.onloadend = function () {
var result = reader.result || new ArrayBuffer(0);
resolve(result);
};
reader.onerror = reject;
reader.readAsArrayBuffer(blob);
});
}
/**
* Convert an `ArrayBuffer` to a binary string.
*
* Example:
*
* ```js
* var myString = blobUtil.arrayBufferToBinaryString(arrayBuff)
* ```
*
* @param buffer - array buffer
* @returns binary string
*/
function arrayBufferToBinaryString(buffer) {
var binary = '';
var bytes = new Uint8Array(buffer);
var length = bytes.byteLength;
var i = -1;
while (++i < length) {
binary += String.fromCharCode(bytes[i]);
}
return binary;
}
/**
* Convert a binary string to an `ArrayBuffer`.
*
* ```js
* var myBuffer = blobUtil.binaryStringToArrayBuffer(binaryString)
* ```
*
* @param binary - binary string
* @returns array buffer
*/
function binaryStringToArrayBuffer(binary) {
var length = binary.length;
var buf = new ArrayBuffer(length);
var arr = new Uint8Array(buf);
var i = -1;
while (++i < length) {
arr[i] = binary.charCodeAt(i);
}
return buf;
}
exports.createBlob = createBlob;
exports.createObjectURL = createObjectURL;
exports.revokeObjectURL = revokeObjectURL;
exports.blobToBinaryString = blobToBinaryString;
exports.base64StringToBlob = base64StringToBlob;
exports.binaryStringToBlob = binaryStringToBlob;
exports.blobToBase64String = blobToBase64String;
exports.dataURLToBlob = dataURLToBlob;
exports.blobToDataURL = blobToDataURL;
exports.imgSrcToDataURL = imgSrcToDataURL;
exports.canvasToBlob = canvasToBlob;
exports.imgSrcToBlob = imgSrcToBlob;
exports.arrayBufferToBlob = arrayBufferToBlob;
exports.blobToArrayBuffer = blobToArrayBuffer;
exports.arrayBufferToBinaryString = arrayBufferToBinaryString;
exports.binaryStringToArrayBuffer = binaryStringToArrayBuffer;
Object.defineProperty(exports, '__esModule', { value: true });
})));

View File

@ -0,0 +1 @@
!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define(["exports"],n):n(e.blobUtil={})}(this,function(e){"use strict";function n(e,n){return new Promise(function(r,t){var o=new Image;n&&(o.crossOrigin=n),o.onload=function(){r(o)},o.onerror=t,o.src=e})}function r(e){var n=document.createElement("canvas");return n.width=e.width,n.height=e.height,n.getContext("2d").drawImage(e,0,0,e.width,e.height,0,0,e.width,e.height),n}function t(e,n){e=e||[],"string"==typeof(n=n||{})&&(n={type:n});try{return new Blob(e,n)}catch(i){if("TypeError"!==i.name)throw i;for(var r="undefined"!=typeof BlobBuilder?BlobBuilder:"undefined"!=typeof MSBlobBuilder?MSBlobBuilder:"undefined"!=typeof MozBlobBuilder?MozBlobBuilder:WebKitBlobBuilder,t=new r,o=0;o<e.length;o+=1)t.append(e[o]);return t.getBlob(n.type)}}function o(e){return("undefined"!=typeof URL?URL:webkitURL).createObjectURL(e)}function i(e){return("undefined"!=typeof URL?URL:webkitURL).revokeObjectURL(e)}function u(e){return new Promise(function(n,r){var t=new FileReader,o="function"==typeof t.readAsBinaryString;t.onloadend=function(){var e=t.result||"";if(o)return n(e);n(h(e))},t.onerror=r,o?t.readAsBinaryString(e):t.readAsArrayBuffer(e)})}function a(e,n){var r=[p(atob(e))];return n?t(r,{type:n}):t(r)}function f(e,n){return a(btoa(e),n)}function c(e){return u(e).then(btoa)}function d(e){var n=e.match(/data:([^;]+)/)[1],r=e.replace(/^[^,]+,/,"");return t([p(atob(r))],{type:n})}function b(e){return c(e).then(function(n){return"data:"+e.type+";base64,"+n})}function l(e,t,o,i){return t=t||"image/png",n(e,o).then(r).then(function(e){return e.toDataURL(t,i)})}function B(e,n,r){return"function"==typeof e.toBlob?new Promise(function(t){e.toBlob(t,n,r)}):Promise.resolve(d(e.toDataURL(n,r)))}function y(e,t,o,i){return t=t||"image/png",n(e,o).then(r).then(function(e){return B(e,t,i)})}function g(e,n){return t([e],n)}function s(e){return new Promise(function(n,r){var t=new FileReader;t.onloadend=function(){var e=t.result||new ArrayBuffer(0);n(e)},t.onerror=r,t.readAsArrayBuffer(e)})}function h(e){for(var n="",r=new Uint8Array(e),t=r.byteLength,o=-1;++o<t;)n+=String.fromCharCode(r[o]);return n}function p(e){for(var n=e.length,r=new ArrayBuffer(n),t=new Uint8Array(r),o=-1;++o<n;)t[o]=e.charCodeAt(o);return r}e.createBlob=t,e.createObjectURL=o,e.revokeObjectURL=i,e.blobToBinaryString=u,e.base64StringToBlob=a,e.binaryStringToBlob=f,e.blobToBase64String=c,e.dataURLToBlob=d,e.blobToDataURL=b,e.imgSrcToDataURL=l,e.canvasToBlob=B,e.imgSrcToBlob=y,e.arrayBufferToBlob=g,e.blobToArrayBuffer=s,e.arrayBufferToBinaryString=h,e.binaryStringToArrayBuffer=p,Object.defineProperty(e,"__esModule",{value:!0})});