			var path = require('path');

			var extension = require('./lib/extension');
			var normalize = require('./lib/normalize');
			var register = require('./lib/register');

			exports.prepare = function(extensions, filepath, cwd, nothrow) {
			var config, usedExtension, err, option, attempt, error;
			var attempts = [];
			var onlyErrors = true;
			var exts = extension(filepath);

			if (exts) {
			exts.some(function(ext) {
			usedExtension = ext;
			config = normalize(extensions[ext]);
			return !!config;
			});
			}

			if (Object.keys(require.extensions).indexOf(usedExtension) !== -1) {
			return true;
			}

			if (!config) {
			if (nothrow) {
			return;
			}

			throw new Error('No module loader found for "' + usedExtension + '".');
			}

			if (!cwd) {
			cwd = path.dirname(path.resolve(filepath));
			}
			if (!Array.isArray(config)) {
			config = [config];
			}

			for (var i in config) {
			option = config[i];
			attempt = register(cwd, option.module, option.register);
			error = (attempt instanceof Error) ? attempt : null;
			if (error) {
			attempt = null;
			}
			attempts.push({
			moduleName: option.module,
			module: attempt,
			error: error,
			});
			if (!error) {
			onlyErrors = false;
			break;
			}
			}
			if (onlyErrors) {
			err = new Error('Unable to use specified module loaders for "' + usedExtension + '".');
			err.failures = attempts;
			if (nothrow) {
			return err;
			}

			throw err;
			}
			return attempts;
			};

rOACCT/node_modules/rechoir/index.js
f6e94234d26ddrf-api-tracking

index.js
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