| 1 | import * as t from '@babel/types';
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| 2 |
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| 3 | export default function isReferenced(node: t.Node, parent: t.Node) {
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| 4 | switch (parent.type) {
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| 5 | // yes: { [NODE]: '' }
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| 6 | // yes: { NODE }
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| 7 | // no: { NODE: '' }
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| 8 | case 'ObjectProperty':
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| 9 | return parent.value === node || parent.computed;
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| 10 |
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| 11 | // no: break NODE;
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| 12 | // no: continue NODE;
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| 13 | case 'BreakStatement':
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| 14 | case 'ContinueStatement':
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| 15 | return false;
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| 16 |
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| 17 | // yes: left = NODE;
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| 18 | // yes: NODE = right;
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| 19 | case 'AssignmentExpression':
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| 20 | return true;
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| 21 | }
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| 22 |
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| 23 | return t.isReferenced(node, parent);
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| 24 | }
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