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ast.js
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21 lines (18 loc) · 728 Bytes
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
export function findBestMatchExpression(symbols, tokenPos, token) {
const { memberExpressions, identifiers } = symbols;
const { line, column } = tokenPos;
return identifiers.concat(memberExpressions).reduce((found, expression) => {
const overlaps =
expression.location.start.line == line &&
expression.location.start.column <= column &&
expression.location.end.column >= column &&
!expression.computed;
if (overlaps) {
return expression;
}
return found;
}, {});
}