{
  "version": 3,
  "sources": ["../../src/middlewares/nonce.ts"],
  "sourcesContent": ["/**\n * Internal dependencies\n */\nimport type { APIFetchMiddleware } from '../types';\n\n/**\n * @param nonce\n *\n * @return  A middleware to enhance a request with a nonce.\n */\nfunction createNonceMiddleware(\n\tnonce: string\n): APIFetchMiddleware & { nonce: string } {\n\tconst middleware: APIFetchMiddleware & { nonce: string } = (\n\t\toptions,\n\t\tnext\n\t) => {\n\t\tconst { headers = {} } = options;\n\n\t\t// If an 'X-WP-Nonce' header (or any case-insensitive variation\n\t\t// thereof) was specified, no need to add a nonce header.\n\t\tfor ( const headerName in headers ) {\n\t\t\tif (\n\t\t\t\theaderName.toLowerCase() === 'x-wp-nonce' &&\n\t\t\t\theaders[ headerName ] === middleware.nonce\n\t\t\t) {\n\t\t\t\treturn next( options );\n\t\t\t}\n\t\t}\n\n\t\treturn next( {\n\t\t\t...options,\n\t\t\theaders: {\n\t\t\t\t...headers,\n\t\t\t\t'X-WP-Nonce': middleware.nonce,\n\t\t\t},\n\t\t} );\n\t};\n\n\tmiddleware.nonce = nonce;\n\n\treturn middleware;\n}\n\nexport default createNonceMiddleware;\n"],
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