image-js/lib/save/encode.js

Image processing and manipulation in JavaScript

import { P, match } from 'ts-pattern';
import { encodeBmp } from './encodeBmp.js';
import { encodeJpeg } from './encodeJpeg.js';
import { encodePng } from './encodePng.js';
export const ImageFormat = {
    PNG: 'png',
    JPG: 'jpg',
    JPEG: 'jpeg',
    BMP: 'bmp',
};
export const defaultPng = { format: 'png' };
/**
 * Encodes the image to the specified format
 * @param image - Image to encode.
 * @param options - Format and options passed to the encoder.
 * @returns The encoded image.
 */
export function encode(image, options = defaultPng) {
    return match(options)
        .with({ format: 'png' }, (options) => encodePng(image, options.encoderOptions))
        .with({ format: P.union('jpg', 'jpeg') }, (options) => encodeJpeg(image, options.encoderOptions))
        .with({ format: 'bmp' }, () => encodeBmp(image))
        .exhaustive();
}
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