mirrors/bun.sh
1
0
Fork 0
mirror of https://github.com/oven-sh/bun synced 2026-02-09 10:28:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

preserve statements when generating a separate module for bun plugin

Browse Source
This commit is contained in:
Jarred Sumner
2022-09-06 03:37:33 -07:00
parent 5b6a2d9efe
commit 93cfc7edbb
1 changed files with 29 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
src/js_parser.zig
View File

@@ -12488,13 +12488,40 @@ fn NewParser_(
if (_stmts.len == 1 and p.options.features.hoist_bun_plugin and !p.bun_plugin.ref.isNull()) {
const bun_plugin_usage_count_after: usize = p.symbols.items[p.bun_plugin.ref.innerIndex()].use_count_estimate;
if (bun_plugin_usage_count_after > bun_plugin_usage_count_before) {
var previous_parts: []js_ast.Part = parts.items;
for (previous_parts) |*previous_part, j| {
if (previous_part.stmts.len == 0) continue;
const declared_symbols = previous_part.declared_symbols;
for (declared_symbols) |decl| {
if (p.symbol_uses.contains(decl.ref)) {
// we move this part to our other file
for (previous_parts[0..j]) |*this_part| {
if (this_part.stmts.len == 0) continue;
const this_declared_symbols = this_part.declared_symbols;
for (this_declared_symbols) |this_decl| {
if (previous_part.symbol_uses.contains(this_decl.ref)) {
try p.bun_plugin.hoisted_stmts.appendSlice(p.allocator, this_part.stmts);
this_part.stmts = &.{};
break;
}
}
}
try p.bun_plugin.hoisted_stmts.appendSlice(p.allocator, previous_part.stmts);
break;
}
}
}
p.bun_plugin.hoisted_stmts.append(p.allocator, _stmts[0]) catch unreachable;
// Single-statement part which uses Bun.plugin()
// It's effectively an unrelated file
if (p.declared_symbols.items.len > 0 or p.symbol_uses.count() > 0) {
p.clearSymbolUsagesFromDeadPart(.{ .stmts = undefined, .declared_symbols = p.declared_symbols.items, .symbol_uses = p.symbol_uses });
}
p.bun_plugin.hoisted_stmts.append(p.allocator, _stmts[0]) catch unreachable;
return;
}
}