nodulator
Version:
Complete NodeJS Framework for Restfull APIs
24 lines (23 loc) • 659 B
JavaScript
//var format = require('util').format;
/**
* Weak version of util.format supports only %s placeholders.
* Fixes Issue#3 compatibility with node < 5.4
*/
exports.format = function (fmt, args) {
if (fmt.indexOf('%d') != -1 ||
fmt.indexOf('%j') != -1) {
throw "This format only supports %s placeholders";
}
if (typeof arguments[0] != 'string') {
throw "First argument to format, must be a format string";
}
var i = 0;
var params = arguments;
return fmt.replace(/%s/g, function () {
i++;
if (params[i] === undefined) {
throw "Number of arguments didn't match format placeholders.";
}
return params[i];
});
}