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Use ?. where it represents the intended semantics (#11512)

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This commit is contained in:
Nicolò Ribaudo
2020-05-09 23:31:50 +02:00
committed by GitHub
parent aeb51f463c
commit 31b361b736
47 changed files with 99 additions and 118 deletions
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4
packages/babel-parser/src/plugins/estree.js
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@@ -165,7 +165,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
if (name === "__proto__" && prop.kind === "init") {
// Store the first redefinition's position
if (protoRef.used) {
if (refExpressionErrors && refExpressionErrors.doubleProto === -1) {
if (refExpressionErrors?.doubleProto === -1) {
refExpressionErrors.doubleProto = key.start;
} else {
this.raise(key.start, Errors.DuplicateProto);
@@ -181,7 +181,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
stmt.type === "ExpressionStatement" &&
stmt.expression.type === "Literal" &&
typeof stmt.expression.value === "string" &&
(!stmt.expression.extra || !stmt.expression.extra.parenthesized)
!stmt.expression.extra?.parenthesized
);
}