| 1 | export type Transform = "jsx" | "typescript" | "flow" | "imports" | "react-hot-loader" | "jest";
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| 2 | export interface SourceMapOptions {
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| 3 | /**
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| 4 | * The name to use in the "file" field of the source map. This should be the name of the compiled
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| 5 | * file.
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| 6 | */
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| 7 | compiledFilename: string;
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| 8 | }
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| 9 | export interface Options {
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| 10 | /**
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| 11 | * Unordered array of transform names describing both the allowed syntax
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| 12 | * (where applicable) and the transformation behavior.
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| 13 | */
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| 14 | transforms: Array<Transform>;
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| 15 | /**
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| 16 | * Opts out of all ES syntax transformations: optional chaining, nullish
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| 17 | * coalescing, class fields, numeric separators, optional catch binding.
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| 18 | */
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| 19 | disableESTransforms?: boolean;
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| 20 | /**
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| 21 | * Transformation mode for the JSX transform.
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| 22 | * - "classic" refers to the original behavior using `React.createElement`.
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| 23 | * - "automatic" refers to the transform behavior released with React 17,
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| 24 | * where the `jsx` function (or a variation) is automatically imported.
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| 25 | * - "preserve" leaves the JSX as-is.
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| 26 | *
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| 27 | * Default value: "classic".
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| 28 | */
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| 29 | jsxRuntime?: "classic" | "automatic" | "preserve";
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| 30 | /**
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| 31 | * Compile code for production use. Currently only applies to the JSX
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| 32 | * transform.
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| 33 | */
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| 34 | production?: boolean;
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| 35 | /**
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| 36 | * If specified, import path prefix to use in place of "react" when compiling
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| 37 | * JSX with the automatic runtime.
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| 38 | */
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| 39 | jsxImportSource?: string;
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| 40 | /**
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| 41 | * If specified, function name to use in place of React.createClass when
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| 42 | * compiling JSX with the classic runtime.
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| 43 | */
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| 44 | jsxPragma?: string;
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| 45 | /**
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| 46 | * If specified, function name to use in place of React.Fragment when
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| 47 | * compiling JSX with the classic runtime.
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| 48 | */
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| 49 | jsxFragmentPragma?: string;
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| 50 | /**
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| 51 | * If specified, disable automatic removal of type-only import and export
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| 52 | * statements and names. Only statements and names that explicitly use the
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| 53 | * `type` keyword are removed.
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| 54 | */
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| 55 | keepUnusedImports?: boolean;
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| 56 | /**
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| 57 | * If specified, the imports transform does not attempt to change dynamic
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| 58 | * import() expressions into require() calls.
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| 59 | */
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| 60 | preserveDynamicImport?: boolean;
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| 61 | /**
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| 62 | * Only relevant when targeting ESM (i.e. when the imports transform is *not*
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| 63 | * specified). This flag changes the behavior of TS require imports:
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| 64 | *
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| 65 | * import Foo = require("foo");
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| 66 | *
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| 67 | * to import createRequire, create a require function, and use that function.
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| 68 | * This is the TS behavior with module: nodenext and makes it easier for the
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| 69 | * same code to target ESM and CJS.
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| 70 | */
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| 71 | injectCreateRequireForImportRequire?: boolean;
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| 72 | /**
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| 73 | * If true, replicate the import behavior of TypeScript's esModuleInterop: false.
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| 74 | */
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| 75 | enableLegacyTypeScriptModuleInterop?: boolean;
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| 76 | /**
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| 77 | * If true, replicate the import behavior Babel 5 and babel-plugin-add-module-exports.
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| 78 | */
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| 79 | enableLegacyBabel5ModuleInterop?: boolean;
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| 80 | /**
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| 81 | * If specified, we also return a RawSourceMap object alongside the code.
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| 82 | * filePath must be specified if this option is enabled.
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| 83 | */
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| 84 | sourceMapOptions?: SourceMapOptions;
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| 85 | /**
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| 86 | * File path to use in error messages, React display names, and source maps.
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| 87 | */
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| 88 | filePath?: string;
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| 89 | }
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| 90 | export declare function validateOptions(options: Options): void;
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