@loaders.gl/loader-utils/dist/lib/path-utils/file-aliases.js

Framework-independent loaders for 3D graphics formats

// Simple file alias mechanisms for tests.
let pathPrefix = '';
const fileAliases = {};
/*
 * Set a relative path prefix
 */
export function setPathPrefix(prefix) {
    pathPrefix = prefix;
}
/*
 * Get the relative path prefix
 */
export function getPathPrefix() {
    return pathPrefix;
}
/**
 *
 * @param aliases
 *
 * Note: addAliases are an experimental export, they are only for testing of loaders.gl loaders
 * not intended as a generic aliasing mechanism
 */
export function addAliases(aliases) {
    Object.assign(fileAliases, aliases);
}
/**
 * Resolves aliases and adds path-prefix to paths
 */
export function resolvePath(filename) {
    for (const alias in fileAliases) {
        if (filename.startsWith(alias)) {
            const replacement = fileAliases[alias];
            filename = filename.replace(alias, replacement);
        }
    }
    if (!filename.startsWith('http://') && !filename.startsWith('https://')) {
        filename = `${pathPrefix}${filename}`;
    }
    return filename;
}