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{"version":3,"file":"_asyncNullishCoalesce.js","sources":["../../../src/buildPolyfills/_asyncNullishCoalesce.ts"],"sourcesContent":["// https://github.com/alangpierce/sucrase/tree/265887868966917f3b924ce38dfad01fbab1329f\n//\n// The MIT License (MIT)\n//\n// Copyright (c) 2012-2018 various contributors (see AUTHORS)\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the \"Software\"), to deal\n// in the Software without restriction, including without limitation the rights\n// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n// copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in all\n// copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n// SOFTWARE.\n\nimport { _nullishCoalesce } from './_nullishCoalesce';\n\n/**\n * Polyfill for the nullish coalescing operator (`??`), when used in situations where at least one of the values is the\n * result of an async operation.\n *\n * Note that the RHS is wrapped in a function so that if it's a computed value, that evaluation won't happen unless the\n * LHS evaluates to a nullish value, to mimic the operator's short-circuiting behavior.\n *\n * Adapted from Sucrase (https://github.com/alangpierce/sucrase)\n *\n * @param lhs The value of the expression to the left of the `??`\n * @param rhsFn A function returning the value of the expression to the right of the `??`\n * @returns The LHS value, unless it's `null` or `undefined`, in which case, the RHS value\n */\nexport async function _asyncNullishCoalesce(lhs: unknown, rhsFn: () => unknown): Promise {\n  return _nullishCoalesce(lhs, rhsFn);\n}\n\n// Sucrase version:\n// async function _asyncNullishCoalesce(lhs, rhsFn) {\n//   if (lhs != null) {\n//     return lhs;\n//   } else {\n//     return await rhsFn();\n//   }\n// }\n"],"names":["_nullishCoalesce"],"mappings":";;;;AAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;;AAIA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,eAAe,qBAAqB,CAAC,GAAG,EAAW,KAAK,EAAmC;AAClG,EAAE,OAAOA,iCAAgB,CAAC,GAAG,EAAE,KAAK,CAAC;AACrC;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;;;"}