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[transpiler] Don't insert import statements for disabled require()

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This commit is contained in:
Jarred Sumner
2021-12-16 17:56:32 -08:00
parent 2f45c3d2cd
commit 2e9af40bca
1 changed files with 43 additions and 87 deletions
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130
src/js_printer.zig
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@@ -824,114 +824,62 @@ pub fn NewPrinter(
}
}
pub fn printRequireError(p: *Printer, text: string) void {
p.print("(() => { throw (new Error(`Cannot require module '");
p.printQuotedUTF8(text, false);
p.print("'`)); } )()");
}
pub fn printRequireOrImportExpr(p: *Printer, import_record_index: u32, leading_interior_comments: []G.Comment, _level: Level, flags: ExprFlag) void {
var level = _level;
assert(p.import_records.len > import_record_index);
const record = p.import_records[import_record_index];
if (level.gte(.new) or flags.forbid_call) {
p.print("(");
defer p.print(")");
level = .lowest;
}
if (true or !p.options.transform_imports or std.mem.indexOfScalar(
const is_external = std.mem.indexOfScalar(
u32,
p.options.externals,
import_record_index,
) != null) {
// External "require()"
if (record.kind != .dynamic) {
) != null;
// First, we will assert to make detecting this case a little clearer for us in development.
if (std.builtin.mode == std.builtin.Mode.Debug) {
// Global.panic("Internal error: {s} is an external require, which should never happen.", .{record});
}
// External "require()"
if (record.kind != .dynamic) {
p.printSpaceBeforeIdentifier();
p.printSpaceBeforeIdentifier();
p.printSymbol(p.options.require_ref.?);
p.print("(");
p.printQuotedUTF8(record.path.text, true);
p.print(")");
if (record.path.is_disabled and record.handles_import_errors and !is_external) {
p.printRequireError(record.path.text);
return;
}
// External import()
if (leading_interior_comments.len > 0) {
p.printNewline();
p.options.indent += 1;
for (leading_interior_comments) |comment| {
p.printIndentedComment(comment.text);
}
p.printIndent();
}
p.addSourceMapping(record.range.loc);
p.print("import(");
p.printSymbol(p.options.require_ref.?);
p.print("(");
p.printQuotedUTF8(record.path.text, true);
p.print(")");
if (leading_interior_comments.len > 0) {
p.printNewline();
p.options.unindent();
p.printIndent();
}
return;
}
var meta = p.linker.?.requireOrImportMetaForSource(record.source_index);
// Don't need the namespace object if the result is unused anyway
if (flags.expr_result_is_unused) {
meta.exports_ref = Ref.None;
}
// Internal "import()" of async ESM
if (record.kind == .dynamic and meta.is_wrapper_async) {
p.printSymbol(meta.wrapper_ref);
p.print("()");
if (!meta.exports_ref.isNull()) {
_ = p.printDotThenPrefix();
p.printSymbol(meta.exports_ref);
p.printDotThenSuffix();
// External import()
if (leading_interior_comments.len > 0) {
p.printNewline();
p.options.indent += 1;
for (leading_interior_comments) |comment| {
p.printIndentedComment(comment.text);
}
return;
p.printIndent();
}
p.addSourceMapping(record.range.loc);
// Allow it to fail at runtime, if it should
p.print("import(");
p.printQuotedUTF8(record.path.text, true);
p.print(")");
if (leading_interior_comments.len > 0) {
p.printNewline();
p.options.unindent();
p.printIndent();
}
// Internal "require()" or "import()"
if (record.kind == .dynamic) {
p.printSpaceBeforeIdentifier();
p.print("Promise.resolve()");
level = p.printDotThenPrefix();
defer p.printDotThenSuffix();
}
// Make sure the comma operator is propertly wrapped
if (!meta.exports_ref.isNull() and level.gte(.comma)) {
p.print("(");
defer p.print(")");
}
// Wrap this with a call to "__toModule()" if this is a CommonJS file
if (record.wrap_with_to_module) {
p.printSymbol(p.options.to_module_ref);
p.print("(");
defer p.print(")");
}
// Call the wrapper
p.printSymbol(meta.wrapper_ref);
p.print("()");
// Return the namespace object if this is an ESM file
if (!meta.exports_ref.isNull()) {
p.print(",");
p.printSpace();
p.printSymbol(meta.exports_ref);
}
return;
}
// noop for now
@@ -1093,6 +1041,7 @@ pub fn NewPrinter(
p.printIndent();
p.printBundledRequire(e);
p.printSemicolonIfNeeded();
return;
}
if (!rewrite_esm_to_cjs or !p.import_records[e.import_record_index].is_bundled) {
@@ -1589,6 +1538,9 @@ pub fn NewPrinter(
if (wrap) {
p.print(")");
}
} else if (import_record.was_originally_require and import_record.path.is_disabled) {
p.printRequireError(import_record.path.text);
didPrint = true;
}
}
}
@@ -3225,6 +3177,10 @@ pub fn NewPrinter(
return;
}
if (record.handles_import_errors and record.path.is_disabled and record.kind.isCommonJS()) {
return;
}
p.print("import");
p.printSpace();