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perf(transformer/refresh): use take/take_in instead of drain #10656

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Merged
graphite-app merged 1 commit into from
Apr 30, 2025
Merged

perf(transformer/refresh): use take/take_in instead of drain #10656

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10 changes: 5 additions & 5 deletions crates/oxc_transformer/src/jsx/refresh.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
use std::collections::hash_map::Entry;
use std::{collections::hash_map::Entry, mem};

use base64::{
encoded_len as base64_encoded_len,
Expand Down Expand Up @@ -139,8 +139,8 @@ impl<'a, 'ctx> ReactRefresh<'a, 'ctx> {

impl<'a> Traverse<'a> for ReactRefresh<'a, '_> {
fn enter_program(&mut self, program: &mut Program<'a>, ctx: &mut TraverseCtx<'a>) {
let mut new_statements = ctx.ast.vec_with_capacity(program.body.len());
for mut statement in program.body.drain(..) {
let mut new_statements = ctx.ast.vec_with_capacity(program.body.len() * 2);
for mut statement in program.body.take_in(ctx.ast.allocator) {
let next_statement = self.process_statement(&mut statement, ctx);
new_statements.push(statement);
if let Some(assignment_expression) = next_statement {
Expand All @@ -156,8 +156,8 @@ impl<'a> Traverse<'a> for ReactRefresh<'a, '_> {
}

let mut variable_declarator_items = ctx.ast.vec_with_capacity(self.registrations.len());
let mut new_statements = ctx.ast.vec_with_capacity(self.registrations.len() + 1);
for (binding, persistent_id) in self.registrations.drain(..) {
let mut new_statements = ctx.ast.vec_with_capacity(self.registrations.len());
for (binding, persistent_id) in mem::take(&mut self.registrations) {
variable_declarator_items.push(ctx.ast.variable_declarator(
SPAN,
VariableDeclarationKind::Var,
Expand Down
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