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20
node_modules/@babel/helper-split-export-declaration/lib/index.js
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20
node_modules/@babel/helper-split-export-declaration/lib/index.js
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@ -17,16 +17,13 @@ const {
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} = _t;
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function splitExportDeclaration(exportDeclaration) {
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if (!exportDeclaration.isExportDeclaration()) {
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throw new Error("Only export declarations can be split.");
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if (!exportDeclaration.isExportDeclaration() || exportDeclaration.isExportAllDeclaration()) {
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throw new Error("Only default and named export declarations can be split.");
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}
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const isDefault = exportDeclaration.isExportDefaultDeclaration();
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const declaration = exportDeclaration.get("declaration");
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const isClassDeclaration = declaration.isClassDeclaration();
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if (isDefault) {
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const standaloneDeclaration = declaration.isFunctionDeclaration() || isClassDeclaration;
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if (exportDeclaration.isExportDefaultDeclaration()) {
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const declaration = exportDeclaration.get("declaration");
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const standaloneDeclaration = declaration.isFunctionDeclaration() || declaration.isClassDeclaration();
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const scope = declaration.isScope() ? declaration.scope.parent : declaration.scope;
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let id = declaration.node.id;
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let needBindingRegistration = false;
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@ -40,7 +37,7 @@ function splitExportDeclaration(exportDeclaration) {
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}
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}
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const updatedDeclaration = standaloneDeclaration ? declaration : variableDeclaration("var", [variableDeclarator(cloneNode(id), declaration.node)]);
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const updatedDeclaration = standaloneDeclaration ? declaration.node : variableDeclaration("var", [variableDeclarator(cloneNode(id), declaration.node)]);
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const updatedExportDeclaration = exportNamedDeclaration(null, [exportSpecifier(cloneNode(id), identifier("default"))]);
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exportDeclaration.insertAfter(updatedExportDeclaration);
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exportDeclaration.replaceWith(updatedDeclaration);
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@ -50,12 +47,11 @@ function splitExportDeclaration(exportDeclaration) {
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}
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return exportDeclaration;
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}
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if (exportDeclaration.get("specifiers").length > 0) {
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} else if (exportDeclaration.get("specifiers").length > 0) {
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throw new Error("It doesn't make sense to split exported specifiers.");
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}
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const declaration = exportDeclaration.get("declaration");
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const bindingIdentifiers = declaration.getOuterBindingIdentifiers();
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const specifiers = Object.keys(bindingIdentifiers).map(name => {
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return exportSpecifier(identifier(name), identifier(name));
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