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chore: refactor

This commit is contained in:
daiwei 2024-10-23 11:17:13 +08:00
parent 39d34416cf
commit 54f1269ae3
1 changed files with 34 additions and 34 deletions
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68
packages/compiler-core/src/babelUtils.ts
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@ -61,41 +61,30 @@ export function walkIdentifiers(
) {
// mark property in destructure pattern
;(node as any).inPattern = true
} else if (isFunctionType(node)) {
if (node.scopeIds) {
node.scopeIds.forEach(id => markKnownIds(id, knownIds))
} else {
// walk function expressions and add its arguments to known identifiers
// so that we don't prefix them
walkFunctionParams(node, id =>
markScopeIdentifier(node, id, knownIds),
)
}
} else if (node.type === 'BlockStatement') {
if (node.scopeIds) {
node.scopeIds.forEach(id => markKnownIds(id, knownIds))
} else {
// #3445 record block-level local variables
walkBlockDeclarations(node, id =>
markScopeIdentifier(node, id, knownIds),
)
}
} else if (node.type === 'CatchClause' && node.param) {
if (node.scopeIds) {
node.scopeIds.forEach(id => markKnownIds(id, knownIds))
} else {
for (const id of extractIdentifiers(node.param)) {
markScopeIdentifier(node, id, knownIds)
}
}
} else if (isForStatement(node)) {
if (node.scopeIds) {
node.scopeIds.forEach(id => markKnownIds(id, knownIds))
} else {
walkForStatement(node, false, id =>
markScopeIdentifier(node, id, knownIds),
)
} else if (isFunctionType(node) && !reuseScopeIds(node, knownIds)) {
// walk function expressions and add its arguments to known identifiers
// so that we don't prefix them
walkFunctionParams(node, id => markScopeIdentifier(node, id, knownIds))
} else if (
node.type === 'BlockStatement' &&
!reuseScopeIds(node, knownIds)
) {
// #3445 record block-level local variables
walkBlockDeclarations(node, id =>
markScopeIdentifier(node, id, knownIds),
)
} else if (
node.type === 'CatchClause' &&
node.param &&
!reuseScopeIds(node, knownIds)
) {
for (const id of extractIdentifiers(node.param)) {
markScopeIdentifier(node, id, knownIds)
}
} else if (isForStatement(node) && !reuseScopeIds(node, knownIds)) {
walkForStatement(node, false, id =>
markScopeIdentifier(node, id, knownIds),
)
}
},
leave(node: Node & { scopeIds?: Set<string> }, parent: Node | null) {
@ -112,6 +101,17 @@ export function walkIdentifiers(
})
}
function reuseScopeIds(
node: Node & { scopeIds?: Set<string> },
knownIds: Record<string, number>,
): boolean {
if (node.scopeIds) {
node.scopeIds.forEach(id => markKnownIds(id, knownIds))
return true
}
return false
}
export function isReferencedIdentifier(
id: Identifier,
parent: Node | null,