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Parse using[foo] as computed member expression #15225

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merged 13 commits into from Nov 28, 2022
Merged

Parse using[foo] as computed member expression #15225

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fa9b0e3
refactor: pack parseStatement flags
JLHwung Nov 25, 2022
7058947
refactor: use const enum for parseFunctionFlags
JLHwung Nov 25, 2022
23ac1c1
polish: avoid double error report on sloppy generator function
JLHwung Nov 25, 2022
f5115d6
refactor: move isAsync into ParseFunctionFlag
JLHwung Nov 25, 2022
67194e4
refactor: simplify hasFollowingIdentifier
JLHwung Nov 25, 2022
3d67382
fix: parse using[foo] as member expression
JLHwung Nov 25, 2022
379c30e
remove Errors.UsingDeclarationHasBindingPattern
JLHwung Nov 25, 2022
bdb5e31
improve typings
JLHwung Nov 25, 2022
43ac671
fix: add negative let [ lookahead for expression statement
JLHwung Nov 25, 2022
20dd34c
fix: disallow labeled function within if
JLHwung Nov 26, 2022
18eebaa
polish: improve error message for `if (0) let x`
JLHwung Nov 26, 2022
7b949f4
tweak: remove default parameter
JLHwung Nov 26, 2022
b0f2cee
fix: avoid double report for labeled top level using
JLHwung Nov 27, 2022
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13 changes: 4 additions & 9 deletions packages/babel-parser/src/parser/expression.ts
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Expand Up @@ -1304,10 +1304,8 @@ export default abstract class ExpressionParser extends LValParser {
if (type === tt._function) {
this.resetPreviousNodeTrailingComments(id);
this.next();
return this.parseFunction(
return this.parseAsyncFunctionExpression(
this.startNodeAtNode(id),
undefined,
true,
);
} else if (tokenIsIdentifier(type)) {
// If the next token begins with "=", commit to parsing an async
Expand Down Expand Up @@ -2407,13 +2405,10 @@ export default abstract class ExpressionParser extends LValParser {

// Initialize empty function node.

initFunction(
node: N.BodilessFunctionOrMethodBase,
isAsync?: boolean | null,
): void {
initFunction(node: N.BodilessFunctionOrMethodBase, isAsync: boolean): void {
node.id = null;
node.generator = false;
node.async = !!isAsync;
node.async = isAsync;
}

// Parse object or class method.
Expand All @@ -2429,7 +2424,7 @@ export default abstract class ExpressionParser extends LValParser {
inClassScope: boolean = false,
): T {
this.initFunction(node, isAsync);
node.generator = !!isGenerator;
node.generator = isGenerator;
const allowModifiers = isConstructor; // For TypeScript parameter properties
this.scope.enter(
SCOPE_FUNCTION |
Expand Down