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Support emit of unnamed export default function/class

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This commit is contained in:
Anders Hejlsberg 2015-03-03 15:56:40 -08:00
parent daacd8005c
commit f2be34a302
1 changed files with 21 additions and 12 deletions
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33
src/compiler/emitter.ts
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@ -3825,6 +3825,15 @@ module ts {
return node.kind === SyntaxKind.ArrowFunction && languageVersion >= ScriptTarget.ES6;
}
function emitDeclarationName(node: Declaration) {
if (node.name) {
emitNode(node.name);
}
else {
write(resolver.getGeneratedNameForNode(node));
}
}
function emitFunctionDeclaration(node: FunctionLikeDeclaration) {
if (nodeIsMissing(node.body)) {
return emitPinnedOrTripleSlashComments(node);
@ -3842,10 +3851,10 @@ module ts {
}
if (node.kind === SyntaxKind.FunctionDeclaration || (node.kind === SyntaxKind.FunctionExpression && node.name)) {
emitNode(node.name);
emitDeclarationName(node);
}
emitSignatureAndBody(node);
if (languageVersion < ScriptTarget.ES6 && node.kind === SyntaxKind.FunctionDeclaration && node.parent === currentSourceFile) {
if (languageVersion < ScriptTarget.ES6 && node.kind === SyntaxKind.FunctionDeclaration && node.parent === currentSourceFile && node.name) {
emitExportMemberAssignments((<FunctionDeclaration>node).name);
}
if (node.kind !== SyntaxKind.MethodDeclaration && node.kind !== SyntaxKind.MethodSignature) {
@ -3917,7 +3926,7 @@ module ts {
emitStart(node);
emitModuleMemberName(node);
write(" = ");
emitNode(node.name);
emitDeclarationName(node);
emitEnd(node);
write(";");
}
@ -4125,7 +4134,7 @@ module ts {
emitStart(member);
emitStart((<PropertyDeclaration>member).name);
if (staticFlag) {
emitNode(node.name);
emitDeclarationName(node);
}
else {
write("this");
@ -4152,7 +4161,7 @@ module ts {
emitLeadingComments(member);
emitStart(member);
emitStart((<MethodDeclaration>member).name);
emitNode(node.name); // TODO (shkamat,drosen): comment for why emitNode instead of emit.
emitDeclarationName(node);
if (!(member.flags & NodeFlags.Static)) {
write(".prototype");
}
@ -4174,7 +4183,7 @@ module ts {
emitStart(member);
write("Object.defineProperty(");
emitStart((<AccessorDeclaration>member).name);
emitNode(node.name);
emitDeclarationName(node);
if (!(member.flags & NodeFlags.Static)) {
write(".prototype");
}
@ -4221,7 +4230,7 @@ module ts {
function emitClassDeclaration(node: ClassDeclaration) {
write("var ");
emitNode(node.name);
emitDeclarationName(node);
write(" = (function (");
var baseTypeNode = getClassBaseTypeNode(node);
if (baseTypeNode) {
@ -4234,7 +4243,7 @@ module ts {
writeLine();
emitStart(baseTypeNode);
write("__extends(");
emitNode(node.name);
emitDeclarationName(node);
write(", _super);");
emitEnd(baseTypeNode);
}
@ -4245,7 +4254,7 @@ module ts {
writeLine();
emitToken(SyntaxKind.CloseBraceToken, node.members.end, () => {
write("return ");
emitNode(node.name);
emitDeclarationName(node);
});
write(";");
decreaseIndent();
@ -4264,7 +4273,7 @@ module ts {
emitStart(node);
emitModuleMemberName(node);
write(" = ");
emitNode(node.name);
emitDeclarationName(node);
emitEnd(node);
write(";");
}
@ -4292,7 +4301,7 @@ module ts {
}
emitStart(<Node>ctor || node);
write("function ");
emitNode(node.name);
emitDeclarationName(node);
emitSignatureParameters(ctor);
write(" {");
scopeEmitStart(node, "constructor");
@ -4796,7 +4805,7 @@ module ts {
emit((<ExportSpecifier>exportDefault).propertyName);
}
else {
emit((<Declaration>exportDefault).name);
emitDeclarationName(<Declaration>exportDefault);
}
write(";");
emitEnd(exportDefault);