add record rule

Author: FFKL

lib/messages.js

@@ -81,4 +81,6 @@ module.exports = {
 	classInstanceOf: "The '{field}' field must be an instance of the '{expected}' class.",
 
 	objectID: "The '{field}' field must be an valid ObjectID",
+
+	record: "The '{field}' must be an Object."
 };

lib/rules/record.js

@@ -0,0 +1,36 @@
+module.exports = function compileRecordRule({ schema, messages }, path, context) {
+	const sourceCode = [];
+	sourceCode.push(`
+		if (typeof value !== "object" || value === null || Array.isArray(value)) {
+			${this.makeError({ type: "record", actual: "value", messages })}
+			return value;
+		}
+	`);
+
+	const keyRuleName = schema.key || "string";
+	const valueRuleName = schema.value || "any";
+
+	sourceCode.push(`
+		let tmp;
+		for (let key in value) {
+	`);
+
+	const keyRule = this.getRuleFromSchema(keyRuleName);
+	const keyInnerSource = `
+		tmp = ${context.async ? "await " : ""}context.fn[%%INDEX%%](key, field, value, errors, context);
+	`;
+	sourceCode.push(this.compileRule(keyRule, context, null, keyInnerSource, "tmp"));
+
+	const valueRule = this.getRuleFromSchema(valueRuleName);
+	const valueInnerSource = `
+		tmp = ${context.async ? "await " : ""}context.fn[%%INDEX%%](value[key], field ? field + "." + key : key, value, errors, context);
+	`;
+	sourceCode.push(this.compileRule(valueRule, context, `${path}[key]`, valueInnerSource, "tmp"));
+	sourceCode.push(`
+		}
+	`);
+
+	return {
+		source: sourceCode.join("\n")
+	};
+};

lib/validator.js

@@ -30,6 +30,7 @@ function loadRules() {
 		number: require("./rules/number"),
 		object: require("./rules/object"),
 		objectID: require("./rules/objectID"),
+		record: require("./rules/record"),
 		string: require("./rules/string"),
 		tuple: require("./rules/tuple"),
 		url: require("./rules/url"),