@equinor/fusion-framework-cli/dist/lib/plugins/app-assets/emit-asset.js

--- title: Fusion Framework CLI ---

import path from 'node:path';
import { interpolateName } from 'loader-utils';
import { readAssetContentSync } from './read-asset-content.js';
/**
 * Synchronously emits an asset file based on the provided context and options.
 *
 * @param context - The plugin context used for emitting the file and logging warnings.
 * @param id - The identifier of the asset, which may include a resource query.
 * @param options - Optional parameters for customizing the emitted asset.
 * @param options.name - The name template for the emitted asset file. Defaults to '[name].[ext]'.
 * @param options.outDir - The output directory where the asset will be emitted. Defaults to 'dist'.
 * @param options.assetsDir - The directory within the output directory where assets will be stored. Defaults to 'assets'.
 * @returns The path of the emitted asset relative to the assets directory, or null if the asset content could not be read.
 */
export const emitAssetSync = (context, id, options = {}) => {
    // extract options and set defaults
    const { outDir = 'dist', assetsDir = 'assets', name = '[name].[ext]' } = options;
    // extract original file name and resource query
    const [originalFileName, resourceQuery] = id.split('?');
    // read asset content, throw error if content is empty
    const content = readAssetContentSync(id);
    if (!content || content.byteLength === 0) {
        throw new Error(`Could not read asset content for ${id}`);
    }
    // convert content to Uint8Array
    const source = new Uint8Array(content);
    // generate asset file name
    const url = interpolateName({
        resourcePath: originalFileName,
        resourceQuery,
    }, name, { content });
    const assetPath = path.posix.join(assetsDir, url);
    const fileName = assetPath.replace(`?${resourceQuery}`, '');
    const fullName = path.join(path.isAbsolute(outDir) ? process.cwd() : '', outDir, assetPath);
    // emit asset file to output directory
    context.emitFile({
        fileName,
        name: fullName,
        type: 'asset',
        source,
    });
    // return the path of the emitted asset relative to the assets directory
    return assetPath;
};
export default emitAssetSync;
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