ucsc-xena-client/dist/schemaCheck.js

UCSC Xena Client. Functional genomics visualizations.

'use strict';

var _require = require('./underscore_ext'),
    isString = _require.isString,
    isArray = _require.isArray,
    isObject = _require.isObject,
    isBoolean = _require.isBoolean,
    isNumber = _require.isNumber,
    Let = _require.Let;

var optBoolean = function optBoolean(v) {
	return v === undefined || isBoolean(v);
};
var optObject = function optObject(o) {
	return o === undefined || isObject(o);
};

// Some ad hoc checks of schema state, to avoid simple errors.  Might want to
// make this more formal, perhaps with a port of clojure spec, or perhaps our
// json spec lib, in docs/schema. For now, mostly trying to avoid loading state
// that is old, or corrupt.

var schemaCheck = function schemaCheck(state) {
	return isObject(state) && isNumber(state.version) && isString(state.page) && optObject(state.wizard) && Let(function () {
		var spreadsheet = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : state.spreadsheet;
		return spreadsheet === undefined || isObject(spreadsheet) && isArray(spreadsheet.columnOrder) && isObject(spreadsheet.columns) && isString(spreadsheet.mode) && isObject(spreadsheet.notifications) && isObject(spreadsheet.servers) && optBoolean(spreadsheet.showWelcome) && optBoolean(spreadsheet.wizardMode) && Let(function () {
			var zoom = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : spreadsheet.zoom;
			return isObject(zoom) && isNumber(zoom.height);
		});
	}) && state;
};

module.exports = {
	schemaCheck: schemaCheck,
	schemaCheckThrow: function schemaCheckThrow(state) {
		if (!schemaCheck(state)) {
			throw new Error('invalid state schema');
		}
		return state;
	}
};