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fix(parser): handle empty maybeAlias #161

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Merged
sindresorhus merged 3 commits into from
Sep 15, 2022
Merged

fix(parser): handle empty maybeAlias #161

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027f5b7
fix(parser): handle empty maybeAlias case
antongolub Sep 15, 2022
922752d
chore(parser): simplify maybeAlias handling
antongolub Sep 15, 2022
2887a9d
style: rm redundant !
antongolub Sep 15, 2022
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25 changes: 13 additions & 12 deletions source/lib/parser.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -22,23 +22,24 @@ export const extractAssertions = (program: Program): Map<Assertion, Set<CallExpr
node.expression.name :
node.expression;

// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
const maybeAlias = checker.getSymbolAtLocation(expression)!;
const symbol = maybeAlias.flags & SymbolFlags.Alias ?
checker.getAliasedSymbol(maybeAlias) :
maybeAlias;
const maybeAlias = checker.getSymbolAtLocation(expression);
if (maybeAlias) {
const symbol = maybeAlias.flags & SymbolFlags.Alias ?
checker.getAliasedSymbol(maybeAlias) :
maybeAlias;

const identifier = symbol.getName();
const identifier = symbol.getName();

// Check if the call type is a valid assertion
if (assertionFnNames.has(identifier)) {
const assertion = identifier as Assertion;
// Check if the call type is a valid assertion
if (assertionFnNames.has(identifier)) {
const assertion = identifier as Assertion;

const nodes = assertions.get(assertion) ?? new Set<CallExpression>();
const nodes = assertions.get(assertion) ?? new Set<CallExpression>();

nodes.add(node);
nodes.add(node);

assertions.set(assertion, nodes);
assertions.set(assertion, nodes);
}
}
}

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