YueWen/node_modules/licia/invariant.js

var root = require('./root');
exports = function(condition, format, a, b, c, d, e, f) {
    var process = root.process || {
        env: {
            NODE_ENV: 'development'
        }
    };
    if (process.env.NODE_ENV !== 'production') {
        if (format === undefined) {
            throw new Error('invariant requires an error message argument');
        }
    }
    if (!condition) {
        var error;
        if (format === undefined) {
            error = new Error(
                'Minified exception occurred; use the non-minified dev environment ' +
                    'for the full error message and additional helpful warnings.'
            );
        } else {
            var args = [a, b, c, d, e, f];
            var argIndex = 0;
            error = new Error(
                format.replace(/%s/g, function() {
                    return args[argIndex++];
                })
            );
            error.name = 'Invariant Violation';
        }
        error.framesToPop = 1;
        throw error;
    }
};

module.exports = exports;