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Make sure babel parser throws exactly same recoverable errors when estree plugin is enabled #12375

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merged 13 commits into from
Dec 3, 2020
Merged

Make sure babel parser throws exactly same recoverable errors when estree plugin is enabled #12375

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40f488b
refactor: introduce isPrivateName and getPrivateNameSV
JLHwung Nov 17, 2020
054e7db
feat: check recoverable errors on estree-throw
JLHwung Nov 19, 2020
6dcca23
fix: pass through all params of parseBlockBody
JLHwung Nov 19, 2020
ab0e2c0
fix: set bigInt to null when invalid bigInt value is parsed
JLHwung Nov 19, 2020
3391585
fix: use string literal value in error message
JLHwung Nov 19, 2020
18eeedc
refactor: introduce hasPropertyAsPrivateName
JLHwung Nov 19, 2020
eeee5da
fix: adapt to ChainExpression
JLHwung Nov 19, 2020
356c196
fix: port checkLVal early return for method in object pattern
JLHwung Nov 19, 2020
5ddb951
fix: throw new a?.() on estree
JLHwung Nov 19, 2020
105c2cc
fix: early return for __proto__ in accessors
JLHwung Nov 19, 2020
85268f9
fix: test record element via isObjectProperty
JLHwung Nov 19, 2020
3cc4e5e
fix: pass through isLHS in toAssignable
JLHwung Nov 19, 2020
c962cb3
refactor: introduce isObjectMethod methods
JLHwung Nov 19, 2020
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fix: throw new a?.() on estree
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@JLHwung
JLHwung committed Nov 19, 2020
commit 5ddb9513a2dee45c1a5b94019b06e5bab13b460a
8 changes: 2 additions & 6 deletions packages/babel-parser/src/parser/expression.js
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Original file line number Diff line number Diff line change
Expand Up @@ -614,12 +614,12 @@ export default class ExpressionParser extends LValParser {

let optional = false;
if (this.match(tt.questionDot)) {
state.optionalChainMember = optional = true;
if (noCalls && this.lookaheadCharCode() === charCodes.leftParenthesis) {
// stop at `?.` when parsing `new a?.()`
state.stop = true;
return base;
}
state.optionalChainMember = optional = true;
this.next();
}

Expand Down Expand Up @@ -1495,13 +1495,9 @@ export default class ExpressionParser extends LValParser {
// https://tc39.es/ecma262/#prod-NewExpression
parseNew(node: N.Expression): N.NewExpression {
node.callee = this.parseNoCallExpr();

if (node.callee.type === "Import") {
this.raise(node.callee.start, Errors.ImportCallNotNewExpression);
} else if (
node.callee.type === "OptionalMemberExpression" ||
node.callee.type === "OptionalCallExpression"
) {
} else if (this.isOptionalChain(node.callee)) {
this.raise(this.state.lastTokEnd, Errors.OptionalChainingNoNew);
} else if (this.eat(tt.questionDot)) {
this.raise(this.state.start, Errors.OptionalChainingNoNew);
Expand Down
7 changes: 7 additions & 0 deletions packages/babel-parser/src/parser/util.js
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Original file line number Diff line number Diff line change
Expand Up @@ -282,6 +282,13 @@ export default class UtilParser extends Tokenizer {
this.isPrivateName(node.property)
);
}

isOptionalChain(node: Node): boolean {
return (
node.type === "OptionalMemberExpression" ||
node.type === "OptionalCallExpression"
);
}
}

/**
Expand Down
4 changes: 4 additions & 0 deletions packages/babel-parser/src/plugins/estree.js
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Original file line number Diff line number Diff line change
Expand Up @@ -466,4 +466,8 @@ export default (superClass: Class<Parser>): Class<Parser> =>
}
return super.hasPropertyAsPrivateName(node);
}

isOptionalChain(node) {
return node.type === "ChainExpression";
}
};