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Add support for ArrayBuffer input (#3548)

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This commit is contained in:
Jérémy Lal
2023-02-05 10:45:17 +01:00
committed by GitHub
parent 4798d9da64
commit 9608f219bd
6 changed files with 37 additions and 2 deletions
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4
lib/constructor.js
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@@ -113,8 +113,8 @@ const debuglog = util.debuglog('sharp');
* }
* }).toFile('text_rgba.png');
*
* @param {(Buffer|Uint8Array|Uint8ClampedArray|Int8Array|Uint16Array|Int16Array|Uint32Array|Int32Array|Float32Array|Float64Array|string)} [input] - if present, can be
* a Buffer / Uint8Array / Uint8ClampedArray containing JPEG, PNG, WebP, AVIF, GIF, SVG or TIFF image data, or
* @param {(Buffer|ArrayBuffer|Uint8Array|Uint8ClampedArray|Int8Array|Uint16Array|Int16Array|Uint32Array|Int32Array|Float32Array|Float64Array|string)} [input] - if present, can be
* a Buffer / ArrayBuffer / Uint8Array / Uint8ClampedArray containing JPEG, PNG, WebP, AVIF, GIF, SVG or TIFF image data, or
* a TypedArray containing raw pixel image data, or
* a String containing the filesystem path to an JPEG, PNG, WebP, AVIF, GIF, SVG or TIFF image file.
* JPEG, PNG, WebP, AVIF, GIF, SVG, TIFF or raw pixel image data can be streamed into the object when not present.

1
lib/index.d.ts vendored
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@@ -29,6 +29,7 @@ declare function sharp(options?: sharp.SharpOptions): sharp.Sharp;
declare function sharp(
input?:
| Buffer
| ArrayBuffer
| Uint8Array
| Uint8ClampedArray
| Int8Array

5
lib/input.js
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@@ -47,6 +47,11 @@ function _createInputDescriptor (input, inputOptions, containerOptions) {
throw Error('Input Buffer is empty');
}
inputDescriptor.buffer = input;
} else if (is.arrayBuffer(input)) {
if (input.byteLength === 0) {
throw Error('Input bit Array is empty');
}
inputDescriptor.buffer = Buffer.from(input, 0, input.byteLength);
} else if (is.typedArray(input)) {
if (input.length === 0) {
throw Error('Input Bit Array is empty');

9
lib/is.js
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@@ -71,6 +71,14 @@ const typedArray = function (val) {
return false;
};
/**
* Is this value an ArrayBuffer object?
* @private
*/
const arrayBuffer = function (val) {
return val instanceof ArrayBuffer;
};
/**
* Is this value a non-empty string?
* @private
@@ -134,6 +142,7 @@ module.exports = {
bool: bool,
buffer: buffer,
typedArray: typedArray,
arrayBuffer: arrayBuffer,
string: string,
number: number,
integer: integer,