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-rw-r--r--src/js_printer.zig176
1 files changed, 123 insertions, 53 deletions
diff --git a/src/js_printer.zig b/src/js_printer.zig
index a95d3e43a..de467a105 100644
--- a/src/js_printer.zig
+++ b/src/js_printer.zig
@@ -682,7 +682,8 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
pub fn isUnboundEvalIdentifier(p: *Printer, value: Expr) bool {
switch (value.data) {
- .e_identifier => |ident| {
+ .e_identifier => {
+ const ident = value.getIdentifier();
if (ident.ref.is_source_contents_slice) return false;
const symbol = p.symbols.get(p.symbols.follow(ident.ref)) orelse return false;
@@ -838,37 +839,41 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
defer debugl("</printExpr>");
switch (expr.data) {
- .e_missing => |e| {},
- .e_undefined => |e| {
+ .e_missing => {},
+ .e_undefined => {
p.printSpaceBeforeIdentifier();
p.printUndefined(level);
},
- .e_super => |e| {
+ .e_super => {
p.printSpaceBeforeIdentifier();
p.print("super");
},
- .e_null => |e| {
+ .e_null => {
p.printSpaceBeforeIdentifier();
p.print("null");
},
- .e_this => |e| {
+ .e_this => {
p.printSpaceBeforeIdentifier();
p.print("this");
},
- .e_spread => |e| {
+ .e_spread => {
+ const e = expr.getSpread();
+
p.print("...");
p.printExpr(e.value, .comma, ExprFlag.None());
},
- .e_new_target => |e| {
+ .e_new_target => {
p.printSpaceBeforeIdentifier();
p.print("new.target");
},
- .e_import_meta => |e| {
+ .e_import_meta => {
p.printSpaceBeforeIdentifier();
p.print("import.meta");
},
- .e_new => |e| {
+ .e_new => {
+ const e = expr.getNew();
+
const has_pure_comment = e.can_be_unwrapped_if_unused;
const wrap = level.gte(.call) or (has_pure_comment and level.gte(.postfix));
@@ -908,7 +913,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_call => |e| {
+ .e_call => {
+ const e = expr.getCall();
+
var wrap = level.gte(.new) or flags.forbid_call;
var target_flags = ExprFlag.None();
if (e.optional_chain == null) {
@@ -964,10 +971,14 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_require => |e| {
+ .e_require => {
+ const e = expr.getRequire();
+
p.printRequireOrImportExpr(e.import_record_index, &([_]G.Comment{}), level, flags);
},
- .e_require_or_require_resolve => |e| {
+ .e_require_or_require_resolve => {
+ const e = expr.getRequireOrRequireResolve();
+
const wrap = level.gte(.new) or flags.forbid_call;
if (wrap) {
p.print("(");
@@ -992,7 +1003,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_import => |e| {
+ .e_import => {
+ const e = expr.getImport();
+
// Handle non-string expressions
if (Ref.isSourceIndexNull(e.import_record_index)) {
const wrap = level.gte(.new) or flags.forbid_call;
@@ -1024,7 +1037,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.printRequireOrImportExpr(e.import_record_index, e.leading_interior_comments, level, flags);
}
},
- .e_dot => |e| {
+ .e_dot => {
+ const e = expr.getDot();
+
var wrap = false;
if (e.optional_chain == null) {
flags.has_non_optional_chain_parent = false;
@@ -1063,7 +1078,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_index => |e| {
+ .e_index => {
+ const e = expr.getIndex();
+
var wrap = false;
if (e.optional_chain == null) {
flags.has_non_optional_chain_parent = false;
@@ -1086,7 +1103,8 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
}
switch (e.index.data) {
- .e_private_identifier => |priv| {
+ .e_private_identifier => {
+ const priv = e.index.getPrivateIdentifier();
if (is_optional_chain_start) {
p.print(".");
}
@@ -1104,7 +1122,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_if => |e| {
+ .e_if => {
+ const e = expr.getIf();
+
const wrap = level.gte(.conditional);
if (wrap) {
p.print("(");
@@ -1123,7 +1143,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_arrow => |e| {
+ .e_arrow => {
+ const e = expr.getArrow();
+
const wrap = level.gte(.assign);
if (wrap) {
@@ -1163,7 +1185,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_function => |e| {
+ .e_function => {
+ const e = expr.getFunction();
+
const n = p.js.lenI();
var wrap = p.stmt_start == n or p.export_default_start == n;
@@ -1190,7 +1214,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_class => |e| {
+ .e_class => {
+ const e = expr.getClass();
+
const n = p.js.lenI();
var wrap = p.stmt_start == n or p.export_default_start == n;
if (wrap) {
@@ -1208,7 +1234,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_array => |e| {
+ .e_array => {
+ const e = expr.getArray();
+
p.print("[");
if (e.items.len > 0) {
if (!e.is_single_line) {
@@ -1249,7 +1277,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print("]");
},
- .e_object => |e| {
+ .e_object => {
+ const e = expr.getObject();
+
const n = p.js.lenI();
const wrap = p.stmt_start == n or p.arrow_expr_start == n;
@@ -1288,11 +1318,15 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_boolean => |e| {
+ .e_boolean => {
+ const e = expr.getBoolean();
+
p.printSpaceBeforeIdentifier();
p.print(if (e.value) "true" else "false");
},
- .e_string => |e| {
+ .e_string => {
+ const e = expr.getString();
+
// If this was originally a template literal, print it as one as long as we're not minifying
if (e.prefer_template) {
p.print("`");
@@ -1306,7 +1340,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.printString(e.*, c);
p.print(c);
},
- .e_template => |e| {
+ .e_template => {
+ const e = expr.getTemplate();
+
if (e.tag) |tag| {
// Optional chains are forbidden in template tags
if (expr.isOptionalChain()) {
@@ -1341,7 +1377,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
}
p.print("`");
},
- .e_reg_exp => |e| {
+ .e_reg_exp => {
+ const e = expr.getRegExp();
+
const n = p.js.len();
// Avoid forming a single-line comment
@@ -1354,12 +1392,16 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
// Need a space before the next identifier to avoid it turning into flags
p.prev_reg_exp_end = p.js.lenI();
},
- .e_big_int => |e| {
+ .e_big_int => {
+ const e = expr.getBigInt();
+
p.printSpaceBeforeIdentifier();
p.print(e.value);
p.print('n');
},
- .e_number => |e| {
+ .e_number => {
+ const e = expr.getNumber();
+
const value = e.value;
const absValue = std.math.fabs(value);
@@ -1399,7 +1441,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.prev_num_end = p.js.lenI();
}
},
- .e_identifier => |e| {
+ .e_identifier => {
+ const e = expr.getIdentifier();
+
const name = p.renamer.nameForSymbol(e.ref);
const wrap = p.js.lenI() == p.for_of_init_start and strings.eqlComptime(name, "let");
@@ -1414,7 +1458,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_import_identifier => |e| {
+ .e_import_identifier => {
+ const e = expr.getImportIdentifier();
+
// Potentially use a property access instead of an identifier
const ref = p.symbols.follow(e.ref);
var didPrint = false;
@@ -1427,7 +1473,7 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
var wrap = false;
if (p.call_target) |target| {
- wrap = e.was_originally_identifier and target.e_import_identifier == e;
+ wrap = e.was_originally_identifier and target.e_import_identifier.index == expr.data.e_import_identifier.index;
}
if (wrap) {
@@ -1456,7 +1502,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.printSymbol(e.ref);
}
},
- .e_await => |e| {
+ .e_await => {
+ const e = expr.getAwait();
+
const wrap = level.gte(.prefix);
if (wrap) {
@@ -1472,7 +1520,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_yield => |e| {
+ .e_yield => {
+ const e = expr.getYield();
+
const wrap = level.gte(.assign);
if (wrap) {
p.print("(");
@@ -1493,7 +1543,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_unary => |e| {
+ .e_unary => {
+ const e = expr.getUnary();
+
const entry: Op = Op.Table.get(e.op);
const wrap = level.gte(entry.level);
@@ -1524,7 +1576,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
p.print(")");
}
},
- .e_binary => |e| {
+ .e_binary => {
+ const e = expr.getBinary();
+
const entry: Op = Op.Table.get(e.op);
var wrap = level.gte(entry.level) or (e.op == Op.Code.bin_in and flags.forbid_in);
@@ -1559,7 +1613,8 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
// "??" can't directly contain "||" or "&&" without being wrapped in parentheses
.bin_nullish_coalescing => {
switch (e.left.data) {
- .e_binary => |left| {
+ .e_binary => {
+ const left = e.left.getBinary();
switch (left.op) {
.bin_logical_and, .bin_logical_or => {
left_level = .prefix;
@@ -1571,7 +1626,8 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
}
switch (e.right.data) {
- .e_binary => |right| {
+ .e_binary => {
+ const right = e.right.getBinary();
switch (right.op) {
.bin_logical_and, .bin_logical_or => {
right_level = .prefix;
@@ -1585,7 +1641,8 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
// "**" can't contain certain unary expressions
.bin_pow => {
switch (e.left.data) {
- .e_unary => |left| {
+ .e_unary => {
+ const left = e.left.getUnary();
if (left.op.unaryAssignTarget() == .none) {
left_level = .call;
}
@@ -1601,7 +1658,7 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
// Special-case "#foo in bar"
if (e.op == .bin_in and @as(Expr.Tag, e.left.data) == .e_private_identifier) {
- p.printSymbol(e.left.data.e_private_identifier.ref);
+ p.printSymbol(e.left.getPrivateIdentifier().ref);
} else {
flags.forbid_in = true;
p.printExpr(e.left, left_level, flags);
@@ -1701,7 +1758,8 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
if (item.value) |val| {
switch (val.data) {
- .e_function => |func| {
+ .e_function => {
+ const func = val.getFunction();
if (item.flags.is_method) {
if (func.func.flags.is_async) {
p.printSpaceBeforeIdentifier();
@@ -1728,7 +1786,8 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
if (item.value) |val| {
switch (val.data) {
- .e_function => |func| {
+ .e_function => {
+ const func = val.getFunction();
if (item.flags.is_method) {
p.printFunc(func.func);
return;
@@ -1749,10 +1808,11 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
}
switch (_key.data) {
- .e_private_identifier => |key| {
- p.printSymbol(key.ref);
+ .e_private_identifier => {
+ p.printSymbol(_key.getPrivateIdentifier().ref);
},
- .e_string => |key| {
+ .e_string => {
+ const key = _key.getString();
p.addSourceMapping(_key.loc);
if (key.isUTF8()) {
p.printSpaceBeforeIdentifier();
@@ -1761,7 +1821,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
// Use a shorthand property if the names are the same
if (item.value) |val| {
switch (val.data) {
- .e_identifier => |e| {
+ .e_identifier => {
+ const e = val.getIdentifier();
+
// TODO: is needing to check item.flags.was_shorthand a bug?
// esbuild doesn't have to do that...
// maybe it's a symptom of some other underlying issue
@@ -1774,7 +1836,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
}
// if (strings) {}
},
- .e_import_identifier => |e| {
+ .e_import_identifier => {
+ const e = val.getImportIdentifier();
+
const ref = p.symbols.follow(e.ref);
if (p.symbols.get(ref)) |symbol| {
if (symbol.namespace_alias == null and strings.eql(key.utf8, p.renamer.nameForSymbol(e.ref))) {
@@ -1795,7 +1859,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
// Use a shorthand property if the names are the same
if (item.value) |val| {
switch (val.data) {
- .e_identifier => |e| {
+ .e_identifier => {
+ const e = val.getIdentifier();
+
// TODO: is needing to check item.flags.was_shorthand a bug?
// esbuild doesn't have to do that...
// maybe it's a symptom of some other underlying issue
@@ -1808,7 +1874,9 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
}
// if (strings) {}
},
- .e_import_identifier => |e| {
+ .e_import_identifier => {
+ const e = val.getImportIdentifier();
+
const ref = p.symbols.follow(e.ref);
if (p.symbols.get(ref)) |symbol| {
if (symbol.namespace_alias == null and strings.utf16EqlString(key.value, p.renamer.nameForSymbol(e.ref))) {
@@ -1843,8 +1911,8 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
if (item.kind != .normal) {
switch (item.value.?.data) {
- .e_function => |func| {
- p.printFunc(func.func);
+ .e_function => {
+ p.printFunc(item.value.?.getFunction().func);
return;
},
else => {},
@@ -1853,7 +1921,8 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
if (item.value) |val| {
switch (val.data) {
- .e_function => |f| {
+ .e_function => {
+ const f = val.getFunction();
if (item.flags.is_method) {
p.printFunc(f.func);
@@ -1979,7 +2048,8 @@ pub fn NewPrinter(comptime ascii_only: bool) type {
}
switch (property.key.data) {
- .e_string => |str| {
+ .e_string => {
+ const str = property.key.getString();
if (str.isUTF8()) {
p.addSourceMapping(property.key.loc);
p.printSpaceBeforeIdentifier();
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-02 03:57:44 +0000