1.23.1

resolve.js
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			'use strict';

			var value = require('es5-ext/object/valid-value')
			, normalize = require('es5-ext/object/normalize-options')
			, isVarNameValid = require('esniff/is-var-name-valid')

			, map = Array.prototype.map, keys = Object.keys
			, stringify = JSON.stringify;

			module.exports = function (data, context/, options/) {
			var names, argNames, argValues, options = Object(arguments[2]);

			(value(data) && value(data.literals) && value(data.substitutions));
			context = normalize(context);
			names = keys(context).filter(isVarNameValid);
			argNames = names.join(', ');
			argValues = names.map(function (name) { return context[name]; });
			return [data.literals].concat(map.call(data.substitutions, function (expr) {
			var resolver;
			if (!expr) return undefined;
			try {
			resolver = new Function(argNames, 'return (' + expr + ')');
			} catch (e) {
			throw new TypeError("Unable to compile expression:\n\targs: " + stringify(argNames) +
			"\n\tbody: " + stringify(expr) + "\n\terror: " + e.stack);
			}
			try {
			return resolver.apply(null, argValues);
			} catch (e) {
			if (options.partial) return '${' + expr + '}';
			throw new TypeError("Unable to resolve expression:\n\targs: " + stringify(argNames) +
			"\n\tbody: " + stringify(expr) + "\n\terror: " + e.stack);
			}
			}));
			};