internal.ts — astro Source File

Source Code

import { isRemotePath } from '@astrojs/internal-helpers/path';
import { AstroError, AstroErrorData } from '../core/errors/index.js';
import type { AstroConfig } from '../types/public/config.js';
import type { AstroAdapterClientConfig } from '../types/public/integrations.js';
import { DEFAULT_HASH_PROPS } from './consts.js';
import {
	DEFAULT_RESOLUTIONS,
	getSizesAttribute,
	getWidths,
	LIMITED_RESOLUTIONS,
} from './layout.js';
import { type ImageService, isLocalService } from './services/service.js';
import {
	type GetImageResult,
	type ImageTransform,
	isImageMetadata,
	type SrcSetValue,
	type UnresolvedImageTransform,
} from './types.js';
import { addCSSVarsToStyle, cssFitValues } from './utils/imageAttributes.js';
import { isESMImportedImage, isRemoteImage, resolveSrc } from './utils/imageKind.js';
import { inferRemoteSize } from './utils/remoteProbe.js';
import { createPlaceholderURL, stringifyPlaceholderURL } from './utils/url.js';

export async function getConfiguredImageService(): Promise<ImageService> {
	if (!globalThis?.astroAsset?.imageService) {
		const { default: service }: { default: ImageService } = await import(
			// @ts-expect-error
			'virtual:image-service'
		).catch((e) => {
			const error = new AstroError(AstroErrorData.InvalidImageService);
			error.cause = e;
			throw error;
		});

		if (!globalThis.astroAsset) globalThis.astroAsset = {};
		globalThis.astroAsset.imageService = service;
		return service;
	}

	return globalThis.astroAsset.imageService;
}

export async function getImage(
	options: UnresolvedImageTransform,
	imageConfig: AstroConfig['image'] & AstroAdapterClientConfig,
): Promise<GetImageResult> {
	if (!options || typeof options !== 'object') {
		throw new AstroError({
			...AstroErrorData.ExpectedImageOptions,
			message: AstroErrorData.ExpectedImageOptions.message(JSON.stringify(options)),
		});
	}
	if (typeof options.src === 'undefined') {
		throw new AstroError({
			...AstroErrorData.ExpectedImage,
			message: AstroErrorData.ExpectedImage.message(
				options.src,
				'undefined',
				JSON.stringify(options),
// ... (194 more lines)