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8 changes: 4 additions & 4 deletions src/plot_api/plot_api.js
Original file line number Diff line number Diff line change
Expand Up @@ -1183,7 +1183,7 @@ Plotly.restyle = function restyle(gd, astr, val, traces) {
if(typeof astr === 'string') aobj[astr] = val;
else if(Lib.isPlainObject(astr)) {
// the 3-arg form
aobj = astr;
aobj = Lib.extendFlat({}, astr);
if(traces === undefined) traces = val;
}
else {
Expand Down Expand Up @@ -1702,7 +1702,7 @@ Plotly.relayout = function relayout(gd, astr, val) {
if(typeof astr === 'string') {
aobj[astr] = val;
} else if(Lib.isPlainObject(astr)) {
aobj = astr;
aobj = Lib.extendFlat({}, astr);
} else {
Lib.warn('Relayout fail.', astr, val);
return Promise.reject();
Expand Down Expand Up @@ -2092,10 +2092,10 @@ Plotly.update = function update(gd, traceUpdate, layoutUpdate, traces) {
if(Object.keys(traceUpdate).length) gd.changed = true;
if(Object.keys(layoutUpdate).length) gd.changed = true;

var restyleSpecs = _restyle(gd, traceUpdate, traces),
var restyleSpecs = _restyle(gd, Lib.extendFlat({}, traceUpdate), traces),
restyleFlags = restyleSpecs.flags;

var relayoutSpecs = _relayout(gd, layoutUpdate),
var relayoutSpecs = _relayout(gd, Lib.extendFlat({}, layoutUpdate)),
relayoutFlags = relayoutSpecs.flags;

// clear calcdata if required
Expand Down
25 changes: 24 additions & 1 deletion test/jasmine/tests/annotations_test.js
Original file line number Diff line number Diff line change
Expand Up @@ -185,6 +185,7 @@ describe('annotations relayout', function() {
});

it('should be able update annotations', function(done) {
var updateObj = { 'annotations[0].text': 'hello' };

function assertText(index, expected) {
var query = '.annotation[data-index="' + index + '"]',
Expand All @@ -193,6 +194,12 @@ describe('annotations relayout', function() {
expect(actual).toEqual(expected);
}

function assertUpdateObj() {
// w/o mutating relayout update object
expect(Object.keys(updateObj)).toEqual(['annotations[0].text']);
expect(updateObj['annotations[0].text']).toEqual('hello');
}

assertText(0, 'left top');

Plotly.relayout(gd, 'annotations[0].text', 'hello').then(function() {
Expand All @@ -202,9 +209,25 @@ describe('annotations relayout', function() {
})
.then(function() {
assertText(0, 'new text');

return Plotly.relayout(gd, updateObj);
})
.then(done);
.then(function() {
assertText(0, 'hello');
assertUpdateObj();

return Plotly.relayout(gd, 'annotations[0].text', null);
})
.then(function() {
assertText(0, 'new text');

return Plotly.update(gd, {}, updateObj);
})
.then(function() {
assertText(0, 'hello');
assertUpdateObj();
})
.then(done);
});
});

Expand Down