webpack/lib/util/create-schema-validation.js

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

const memoize = require("./memoize");

const getValidate = memoize(() => require("schema-utils").validate);

const createSchemaValidation = (check, getSchema, options) => {
	getSchema = memoize(getSchema);
	return value => {
		if (check && !check(value)) {
			getValidate()(getSchema(), value, options);
			if (check) {
				require("util").deprecate(
					() => {},
					"webpack bug: Pre-compiled schema reports error while real schema is happy. This has performance drawbacks.",
					"DEP_WEBPACK_PRE_COMPILED_SCHEMA_INVALID"
				)();
			}
		}
	};
};

module.exports = createSchemaValidation;