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Fix modeBarButtons issue #6177

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merged 4 commits into from
May 9, 2022
Merged

Fix modeBarButtons issue #6177

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c1b6ff2
Fix modeBarButtons issue.
nickmelnikov82 May 5, 2022
dfc146d
Fixed lodash usage.
nickmelnikov82 May 5, 2022
8c2ea1c
Added test and draftlog.
nickmelnikov82 May 5, 2022
77383de
Move deep copy inside fillCustomButton function.
nickmelnikov82 May 9, 2022
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1 change: 1 addition & 0 deletions draftlogs/6177_fix.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
- Fix modeBarButtons mutate the input, issue [[#1157](https://github.com/plotly/dash/issues/1157)]
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Suggested change
- Fix modeBarButtons mutate the input, issue [[#1157](https://github.com/plotly/dash/issues/1157)]
- Fix custom modebar buttons mutate the input [[#6177](https://github.com/plotly/plotly.js/pull/6177)]

3 changes: 2 additions & 1 deletion src/components/modebar/manage.js
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Expand Up @@ -8,6 +8,7 @@ var isUnifiedHover = require('../fx/helpers').isUnifiedHover;
var createModeBar = require('./modebar');
var modeBarButtons = require('./buttons');
var DRAW_MODES = require('./constants').DRAW_MODES;
var extendDeep = require('../../lib').extendDeep;

/**
* ModeBar wrapper around 'create' and 'update',
Expand Down Expand Up @@ -44,7 +45,7 @@ module.exports = function manageModeBar(gd) {
].join(' '));
}

var customButtons = context.modeBarButtons;
var customButtons = extendDeep([], context.modeBarButtons);
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This deep copy appears to be needed in the first case only.
I suggest you revert the change here and move deep copy inside fillCustomButton function.
For example:

function fillCustomButton(inButtons) {
  var customButtons = extendDeep([], inButtons);
  ...

var buttonGroups;

if(Array.isArray(customButtons) && customButtons.length) {
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9 changes: 9 additions & 0 deletions test/jasmine/tests/modebar_test.js
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Expand Up @@ -996,6 +996,15 @@ describe('ModeBar', function() {
expect(countButtons(gd._fullLayout._modeBar))
.toEqual(initialButtonCount + 6);
});

it('sets up buttons without changing the input', function() {
var config = [['toImage']];
var gd = setupGraphInfo();
gd._context.modeBarButtons = config;
manageModeBar(gd);
expect(config).toEqual([['toImage']]);
expect(countButtons(gd._fullLayout._modeBar)).toEqual(2);
});
});

describe('modebar on clicks', function() {
Expand Down