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31 lines
762 B
JavaScript
31 lines
762 B
JavaScript
/**
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* Copyright (c) HashiCorp, Inc.
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* SPDX-License-Identifier: BUSL-1.1
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*/
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/*
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returns an instance of CodeMirror, see docs for callable functions https://codemirror.net/5/doc/manual.html#api_constructor
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sample use:
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import codemirror from 'vault/tests/helpers/codemirror';
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test('it renders initial value', function (assert) {
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assert.strictEqual(codemirror.getValue(), 'some value')
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)}
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*/
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const invariant = (truthy, error) => {
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if (!truthy) throw new Error(error);
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};
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export default function () {
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const element = document.querySelector('.CodeMirror');
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invariant(element, `Selector '.CodeMirror' matched no elements`);
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const cm = element.CodeMirror;
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invariant(cm, `No registered CodeMirror instance for '.CodeMirror'`);
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return cm;
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}
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