How to use the createExportDeclaration function from typescript

Find comprehensive JavaScript typescript.createExportDeclaration code examples handpicked from public code repositorys.

typescript.createExportDeclaration is a function that creates a new export declaration in TypeScript.

typescriptTools.js

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    ]
    : []),
...(needsEmptyExport
    ? [
        // Put an empty export {}; at the bottom to force TypeScript to treat the script as a module
        ts.createExportDeclaration(
            undefined,
            undefined,
            ts.createNamedExports([]),
            undefined,

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+ 3 other calls in file

export_ngfactory.js

GitHub: SumeetOutlook/sumeet-practice

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}
// Add the transform operations.
const factoryClassName = entryModule.className + 'NgFactory';
const factoryModulePath = normalizedEntryModulePath + '.ngfactory';
const namedExports = ts.createNamedExports([ts.createExportSpecifier(undefined, ts.createIdentifier(factoryClassName))]);
const newImport = ts.createExportDeclaration(undefined, undefined, namedExports, ts.createLiteral(factoryModulePath));
const firstNode = ast_helpers_1.getFirstNode(sourceFile);
if (firstNode) {
    ops.push(new interfaces_1.AddNodeOperation(sourceFile, firstNode, newImport));
}

How does typescript.createExportDeclaration work?

The typescript.createExportDeclaration function is a part of the TypeScript compiler API that allows creating a new export declaration node in the Abstract Syntax Tree (AST) for a TypeScript file. The function takes an object as an argument that describes the properties of the new export declaration node, such as the exported symbol, the source file, the module specifier, and others, and returns a new ExportDeclaration node object that can be added to the AST of a TypeScript file using the TypeScript compiler API. This can be useful when generating TypeScript code programmatically, as it allows dynamically adding new exports to a TypeScript module during runtime.

Ai Example

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import * as ts from "typescript";

// Create a named export declaration
const exportDeclaration = ts.createExportDeclaration(
  undefined,
  undefined,
  ts.createNamedExports([
    ts.createExportSpecifier(undefined, ts.createIdentifier("myFunction")),
  ])
);

// Print the export declaration node
console.log(exportDeclaration);

In this example, we import the typescript module and use the createExportDeclaration() function to create a named export declaration node with one export specifier that references the identifier "myFunction". The resulting node can be printed to the console for inspection or added to an AST and emitted as TypeScript code.

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