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Make getNameOfDeclaration public #15958

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merged 5 commits into from
May 22, 2017
Merged

Make getNameOfDeclaration public #15958

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8db58bb
Make getNameOfDeclaration public
sandersn May 19, 2017
6c4e747
Add `undefined` to return of getNameOfDeclaration
sandersn May 19, 2017
c70fa1e
Remove incorrect code in getNameOfDeclaration
sandersn May 19, 2017
3c6393a
More fix+cleanup in getNameOfDeclaration
sandersn May 19, 2017
fea8561
Remove dead code from binder
sandersn May 22, 2017
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15 changes: 3 additions & 12 deletions src/compiler/binder.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -260,18 +260,9 @@ namespace ts {
case SyntaxKind.ExportAssignment:
return (<ExportAssignment>node).isExportEquals ? "export=" : "default";
case SyntaxKind.BinaryExpression:
switch (getSpecialPropertyAssignmentKind(node as BinaryExpression)) {
case SpecialPropertyAssignmentKind.ModuleExports:
// module.exports = ...
return "export=";
case SpecialPropertyAssignmentKind.ExportsProperty:
case SpecialPropertyAssignmentKind.ThisProperty:
case SpecialPropertyAssignmentKind.Property:
// exports.x = ... or this.y = ...
return ((node as BinaryExpression).left as PropertyAccessExpression).name.text;
case SpecialPropertyAssignmentKind.PrototypeProperty:
// className.prototype.methodName = ...
return (((node as BinaryExpression).left as PropertyAccessExpression).expression as PropertyAccessExpression).name.text;
if (getSpecialPropertyAssignmentKind(node as BinaryExpression) === SpecialPropertyAssignmentKind.ModuleExports) {
// module.exports = ...
return "export=";
}
Debug.fail("Unknown binary declaration kind");
break;
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51 changes: 21 additions & 30 deletions src/compiler/utilities.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1776,36 +1776,6 @@ namespace ts {
}
}

export function getNameOfDeclaration(declaration: Declaration): DeclarationName {
if (!declaration) {
return undefined;
}
if (declaration.kind === SyntaxKind.BinaryExpression) {
const kind = getSpecialPropertyAssignmentKind(declaration as BinaryExpression);
const lhs = (declaration as BinaryExpression).left;
switch (kind) {
case SpecialPropertyAssignmentKind.None:
case SpecialPropertyAssignmentKind.ModuleExports:
return undefined;
case SpecialPropertyAssignmentKind.ExportsProperty:
if (lhs.kind === SyntaxKind.Identifier) {
return (lhs as PropertyAccessExpression).name;
}
else {
return ((lhs as PropertyAccessExpression).expression as PropertyAccessExpression).name;
}
case SpecialPropertyAssignmentKind.ThisProperty:
case SpecialPropertyAssignmentKind.Property:
return (lhs as PropertyAccessExpression).name;
case SpecialPropertyAssignmentKind.PrototypeProperty:
return ((lhs as PropertyAccessExpression).expression as PropertyAccessExpression).name;
}
}
else {
return (declaration as NamedDeclaration).name;
}
}

export function isLiteralComputedPropertyDeclarationName(node: Node) {
return (node.kind === SyntaxKind.StringLiteral || node.kind === SyntaxKind.NumericLiteral) &&
node.parent.kind === SyntaxKind.ComputedPropertyName &&
Expand Down Expand Up @@ -4729,4 +4699,25 @@ namespace ts {
export function unescapeIdentifier(identifier: string): string {
return identifier.length >= 3 && identifier.charCodeAt(0) === CharacterCodes._ && identifier.charCodeAt(1) === CharacterCodes._ && identifier.charCodeAt(2) === CharacterCodes._ ? identifier.substr(1) : identifier;
}

export function getNameOfDeclaration(declaration: Declaration): DeclarationName | undefined {
if (!declaration) {
return undefined;
}
if (declaration.kind === SyntaxKind.BinaryExpression) {
const expr = declaration as BinaryExpression;
switch (getSpecialPropertyAssignmentKind(expr)) {
case SpecialPropertyAssignmentKind.ExportsProperty:
case SpecialPropertyAssignmentKind.ThisProperty:
case SpecialPropertyAssignmentKind.Property:
case SpecialPropertyAssignmentKind.PrototypeProperty:
return (expr.left as PropertyAccessExpression).name;
default:
return undefined;
}
}
else {
return (declaration as NamedDeclaration).name;
}
}
}