ucsc-xena-client/dist/migrateState.js

UCSC Xena Client. Functional genomics visualizations.

'use strict';

// Desired behavior:
// When we change the state structure, add a migration.
// Sources of state:
//   sessionStorage
//   bookmarks
//   initial state
//
//

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

var version = 1;

var _require = require('./underscore_ext'),
    assoc = _require.assoc,
    get = _require.get,
    getIn = _require.getIn,
    Let = _require.Let,
    pick = _require.pick,
    isString = _require.isString,
    flatten = _require.flatten,
    updateIn = _require.updateIn,
    without = _require.without;

var setVersion = function setVersion(state) {
	return assoc(state, 'version', version);
};
var getVersion = function getVersion(state) {
	return Let(function () {
		var s = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : get(state, 'version', 0);
		return isString(s) ? 0 : s;
	});
};

var noComposite = function noComposite(state) {
	return assoc(state, 'cohort', state.cohort[0], 'cohortSamples', state.cohortSamples[0]);
};

var spreadsheetProps = ['columnOrder', 'columns', 'mode', 'notifications', 'servers', 'showWelcome', 'wizardMode', 'zoom', 'defaultWidth', 'data', 'cohort', 'cohortSamples', 'km', 'survival', 'sampleSearch', 'samplesOver', 'editing', 'openVizSettings', 'chartState', 'hasPrivateSamples'];
//var dropProps = ['cohortMeta', 'cohortPreferred', 'cohortPhenotype', 'cohorts', 'datasets', 'features', 'samples', 'columnEdit'];

var splitPages = function splitPages(state) {
	//	console.log('Unhandled state', pick(state, (v, k) => !contains(spreadsheetProps, k) && !contains(dropProps, k)));
	return {
		spreadsheet: pick(state, spreadsheetProps),
		page: 'heatmap'
	};
};

// This will break bookmarks with sample search and samples to the right
var samplesToLeft = function samplesToLeft(state) {
	return (
		// We don't want to create a blank spreadsheet object if there is none, so check
		// if there's a columnOrder before doing anything. indexOf could be -1 or 0
		getIn(state, ['spreadsheet', 'columnOrder'], []).indexOf('samples') > 0 ? updateIn(state, ['spreadsheet', 'columnOrder'], function (order) {
			return ['samples'].concat(_toConsumableArray(without(order, 'samples')));
		}) : state
	);
};

// This must be sorted, with later versions appearing last.
var migrations = [[noComposite, splitPages, samplesToLeft]];

function apply(state) {
	var v = getVersion(state),
	    toDo = flatten(migrations.slice(v));

	return setVersion(toDo.reduce(function (prev, fn) {
		return fn(prev);
	}, state));
}

module.exports = apply;