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import { ts } from '../deps.ts'
/** * TypeScript AST Transformer that adds source file and line number to JSX elements. * * @link https://github.com/dropbox/ts-transform-react-jsx-source */export default function transformReactJsxSource(sf: ts.SourceFile, node: ts.Node): ts.VisitResult<ts.Node> {    if (ts.isJsxOpeningElement(node) || ts.isJsxSelfClosingElement(node)) {        const fileNameAttr = ts.createPropertyAssignment(            'fileName',            ts.createStringLiteral(sf.fileName)        )        const lineNumberAttr = ts.createPropertyAssignment(            'lineNumber',            ts.createNumericLiteral((sf.getLineAndCharacterOfPosition(node.pos).line + 1).toString())        )        const sourceJsxAttr = ts.createJsxAttribute(            ts.createIdentifier('__source'),            ts.createJsxExpression(undefined, ts.createObjectLiteral([fileNameAttr, lineNumberAttr]))        )        const jsxAttributes = ts.createJsxAttributes([            ...node.attributes.properties,            sourceJsxAttr        ])
        if (ts.isJsxSelfClosingElement(node)) {            return ts.createJsxSelfClosingElement(                node.tagName,                node.typeArguments,                jsxAttributes            )        } else if (ts.isJsxOpeningElement(node)) {            return ts.createJsxOpeningElement(                node.tagName,                node.typeArguments,                jsxAttributes            )        }    }}