br-validations/src/ie.js

A library of validations applicable to several Brazilian data like I.E., CNPJ, CPF and others

var IE = function(uf) {
	if (!(this instanceof IE)) {
		return new IE(uf);
	}

	this.rules = IErules[uf] || [];
	this.rule;
	IE.prototype._defineRule = function(value) {
		this.rule = undefined;
		for (var r = 0; r < this.rules.length && this.rule === undefined; r++) {
			var str = value.replace(/[^\d]/g,'');
			var ruleCandidate = this.rules[r];
			if (str.length === ruleCandidate.chars && (!ruleCandidate.match || ruleCandidate.match.test(value))) {
				this.rule = ruleCandidate;
			}
		}
		return !!this.rule;
	};

	IE.prototype.validate = function(value) {
		if (!value || !this._defineRule(value)) {
			return false;
		}
		return this.rule.validate(value);
	};
};