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mareklibramareklibra
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fix(MissingObserver polyfill): add MissingObserver polyfill for jest environment
affects: @patternfly/react-console, patternfly-react Referenced from noVNC (@novnc/nvnc/core/util/events.js). Workaround for the 'jest' testing only since the MutationObserver is available in browsers otherwise. Attempt to fix the issue by using 'browser' jest configuration option did not work in this case.
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‎package.json‎

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"lerna-semantic-release": "^9.1.0",
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"lint-staged": "^7.0.4",
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"lodash": "^4.17.0",
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"mutation-observer": "^1.0.3",
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"node-sass": "^4.8.3",
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"npmlog": "^4.1.2",
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"prettier": "^1.11.1",

‎test.env.js‎

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import { preventInjection } from './packages/react-styles';
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preventInjection();
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const MutationObserverPolyfill = require('mutation-observer');
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// referenced from '@novnc/nvnc/core/util/events.js'
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// The MutationObserver is available in supported browsers, this is workaround for "jest"
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global.MutationObserver = global.MutationObserver || MutationObserverPolyfill;
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configure({ adapter: new Adapter() });

‎yarn.lock‎

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version "2.1.1"
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resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
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mutation-observer@^1.0.3:
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version "1.0.3"
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resolved "https://registry.yarnpkg.com/mutation-observer/-/mutation-observer-1.0.3.tgz#42e9222b101bca82e5ba9d5a7acf4a14c0f263d0"
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[email protected]:
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version "0.0.6"
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resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.6.tgz#48962b19e169fd1dfc240b3f1e7317627bbc47db"

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