| 1 | export default function flatten ( node ) {
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| 2 | let parts = [];
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| 3 | while ( node.type === 'MemberExpression' ) {
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| 4 | if ( node.computed ) return null;
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| 5 | parts.unshift( node.property.name );
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| 6 |
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| 7 | node = node.object;
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| 8 | }
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| 9 |
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| 10 | if ( node.type !== 'Identifier' ) return null;
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| 11 |
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| 12 | const name = node.name;
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| 13 | parts.unshift( name );
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| 14 |
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| 15 | return { name, keypath: parts.join( '.' ) };
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| 16 | }
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