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{"version":3,"names":["_sourceMap","require","_printer","Generator","Printer","constructor","ast","opts","code","format","normalizeOptions","map","sourceMaps","SourceMap","generate","auxiliaryCommentBefore","auxiliaryCommentAfter","shouldPrintComment","retainLines","retainFunctionParens","comments","compact","minified","concise","indent","adjustMultilineComment","style","jsescOption","Object","assign","quotes","wrap","minimal","recordAndTupleSyntaxType","topicToken","decoratorsBeforeExport","json","jsonCompatibleStrings","value","includes","length","console","error","filename","undefined","CodeGenerator","_generator","exports","gen"],"sources":["../src/index.ts"],"sourcesContent":["import SourceMap from \"./source-map\";\nimport Printer from \"./printer\";\nimport type * as t from \"@babel/types\";\nimport type { Opts as jsescOptions } from \"jsesc\";\nimport type { Format } from \"./printer\";\nimport type {\n RecordAndTuplePluginOptions,\n PipelineOperatorPluginOptions,\n} from \"@babel/parser\";\nimport type { DecodedSourceMap, Mapping } from \"@jridgewell/gen-mapping\";\n\n/**\n * Babel's code generator, turns an ast into code, maintaining sourcemaps,\n * user preferences, and valid output.\n */\n\nclass Generator extends Printer {\n constructor(\n ast: t.Node,\n opts: GeneratorOptions = {},\n code: string | { [filename: string]: string },\n ) {\n const format = normalizeOptions(code, opts);\n const map = opts.sourceMaps ? new SourceMap(opts, code) : null;\n super(format, map);\n\n this.ast = ast;\n }\n\n ast: t.Node;\n\n /**\n * Generate code and sourcemap from ast.\n *\n * Appends comments that weren't attached to any node to the end of the generated output.\n */\n\n generate() {\n return super.generate(this.ast);\n }\n}\n\n/**\n * Normalize generator options, setting defaults.\n *\n * - Detects code indentation.\n * - If `opts.compact = \"auto\"` and the code is over 500KB, `compact` will be set to `true`.\n */\n\nfunction normalizeOptions(\n code: string | { [filename: string]: string },\n opts: GeneratorOptions,\n): Format {\n const format: Format = {\n auxiliaryCommentBefore: opts.auxiliaryCommentBefore,\n auxiliaryCommentAfter: opts.auxiliaryCommentAfter,\n shouldPrintComment: opts.shouldPrintComment,\n retainLines: opts.retainLines,\n retainFunctionParens: opts.retainFunctionParens,\n comments: opts.comments == null || opts.comments,\n compact: opts.compact,\n minified: opts.minified,\n concise: opts.concise,\n indent: {\n adjustMultilineComment: true,\n style: \" \",\n },\n jsescOption: {\n quotes: \"double\",\n wrap: true,\n minimal: process.env.BABEL_8_BREAKING ? true : false,\n ...opts.jsescOption,\n },\n recordAndTupleSyntaxType: opts.recordAndTupleSyntaxType,\n topicToken: opts.topicToken,\n };\n\n if (!process.env.BABEL_8_BREAKING) {\n format.decoratorsBeforeExport = opts.decoratorsBeforeExport;\n format.jsescOption.json = opts.jsonCompatibleStrings;\n }\n\n if (format.minified) {\n format.compact = true;\n\n format.shouldPrintComment =\n format.shouldPrintComment || (() => format.comments);\n } else {\n format.shouldPrintComment =\n format.shouldPrintComment ||\n (value =>\n format.comments ||\n value.includes(\"@license\") ||\n value.includes(\"@preserve\"));\n }\n\n if (format.compact === \"auto\") {\n format.compact = typeof code === \"string\" && code.length > 500_000; // 500KB\n\n if (format.compact) {\n console.error(\n \"[BABEL] Note: The code generator has deoptimised the styling of \" +\n `${opts.filename} as it exceeds the max of ${\"500KB\"}.`,\n );\n }\n }\n\n if (format.compact) {\n format.indent.adjustMultilineComment = false;\n }\n\n const { auxiliaryCommentBefore, auxiliaryCommentAfter, shouldPrintComment } =\n format;\n\n if (auxiliaryCommentBefore && !shouldPrintComment(auxiliaryCommentBefore)) {\n format.auxiliaryCommentBefore = undefined;\n }\n if (auxiliaryCommentAfter && !shouldPrintComment(auxiliaryCommentAfter)) {\n format.auxiliaryCommentAfter = undefined;\n }\n\n return format;\n}\n\nexport interface GeneratorOptions {\n /**\n * Optional string to add as a block comment at the start of the output file.\n */\n auxiliaryCommentBefore?: string;\n\n /**\n * Optional string to add as a block comment at the end of the output file.\n */\n auxiliaryCommentAfter?: string;\n\n /**\n * Function that takes a comment (as a string) and returns true if the comment should be included in the output.\n * By default, comments are included if `opts.comments` is `true` or if `opts.minified` is `false` and the comment\n * contains `@preserve` or `@license`.\n */\n shouldPrintComment?(comment: string): boolean;\n\n /**\n * Attempt to use the same line numbers in the output code as in the source code (helps preserve stack traces).\n * Defaults to `false`.\n */\n retainLines?: boolean;\n\n /**\n * Retain parens around function expressions (could be used to change engine parsing behavior)\n * Defaults to `false`.\n */\n retainFunctionParens?: boolean;\n\n /**\n * Should comments be included in output? Defaults to `true`.\n */\n comments?: boolean;\n\n /**\n * Set to true to avoid adding whitespace for formatting. Defaults to the value of `opts.minified`.\n */\n compact?: boolean | \"auto\";\n\n /**\n * Should the output be minified. Defaults to `false`.\n */\n minified?: boolean;\n\n /**\n * Set to true to reduce whitespace (but not as much as opts.compact). Defaults to `false`.\n */\n concise?: boolean;\n\n /**\n * Used in warning messages\n */\n filename?: string;\n\n /**\n * Enable generating source maps. Defaults to `false`.\n */\n sourceMaps?: boolean;\n\n inputSourceMap?: any;\n\n /**\n * A root for all relative URLs in the source map.\n */\n sourceRoot?: string;\n\n /**\n * The filename for the source code (i.e. the code in the `code` argument).\n * This will only be used if `code` is a string.\n */\n sourceFileName?: string;\n\n /**\n * Set to true to run jsesc with \"json\": true to print \"\\u00A9\" vs. \"©\";\n * @deprecated use `jsescOptions: { json: true }` instead\n */\n jsonCompatibleStrings?: boolean;\n\n /**\n * Set to true to enable support for experimental decorators syntax before\n * module exports. If not specified, decorators will be printed in the same\n * position as they were in the input source code.\n * @deprecated Removed in Babel 8\n */\n decoratorsBeforeExport?: boolean;\n\n /**\n * Options for outputting jsesc representation.\n */\n jsescOption?: jsescOptions;\n\n /**\n * For use with the recordAndTuple token.\n */\n recordAndTupleSyntaxType?: RecordAndTuplePluginOptions[\"syntaxType\"];\n /**\n * For use with the Hack-style pipe operator.\n * Changes what token is used for pipe bodies topic references.\n */\n topicToken?: PipelineOperatorPluginOptions[\"topicToken\"];\n}\n\nexport interface GeneratorResult {\n code: string;\n map: {\n version: number;\n sources: readonly string[];\n names: readonly string[];\n sourceRoot?: string;\n sourcesContent?: readonly string[];\n mappings: string;\n file?: string;\n } | null;\n decodedMap: DecodedSourceMap | undefined;\n rawMappings: Mapping[] | undefined;\n}\n\n/**\n * We originally exported the Generator class above, but to make it extra clear that it is a private API,\n * we have moved that to an internal class instance and simplified the interface to the two public methods\n * that we wish to support.\n */\n\nexport class CodeGenerator {\n private _generator: Generator;\n constructor(ast: t.Node, opts?: GeneratorOptions, code?: string) {\n this._generator = new Generator(ast, opts, code);\n }\n generate(): GeneratorResult {\n return this._generator.generate();\n }\n}\n\n/**\n * Turns an AST into code, maintaining sourcemaps, user preferences, and valid output.\n * @param ast - the abstract syntax tree from which to generate output code.\n * @param opts - used for specifying options for code generation.\n * @param code - the original source code, used for source maps.\n * @returns - an object containing the output code and source map.\n */\nexport default function generate(\n ast: t.Node,\n opts?: GeneratorOptions,\n code?: string | { [filename: string]: string },\n) {\n const gen = new Generator(ast, opts, code);\n return gen.generate();\n}\n"],"mappings":";;;;;;;AAAA,IAAAA,UAAA,GAAAC,OAAA;AACA,IAAAC,QAAA,GAAAD,OAAA;AAeA,MAAME,SAAS,SAASC,gBAAO,CAAC;EAC9BC,WAAWA,CACTC,GAAW,EACXC,IAAsB,GAAG,CAAC,CAAC,EAC3BC,IAA6C,EAC7C;IACA,MAAMC,MAAM,GAAGC,gBAAgB,CAACF,IAAI,EAAED,IAAI,CAAC;IAC3C,MAAMI,GAAG,GAAGJ,IAAI,CAACK,UAAU,GAAG,IAAIC,kBAAS,CAACN,IAAI,EAAEC,IAAI,CAAC,GAAG,IAAI;IAC9D,KAAK,CAACC,MAAM,EAAEE,GAAG,CAAC;IAAC,KAKrBL,GAAG;IAHD,IAAI,CAACA,GAAG,GAAGA,GAAG;EAChB;EAUAQ,QAAQA,CAAA,EAAG;IACT,OAAO,KAAK,CAACA,QAAQ,CAAC,IAAI,CAACR,GAAG,CAAC;EACjC;AACF;AASA,SAASI,gBAAgBA,CACvBF,IAA6C,EAC7CD,IAAsB,EACd;EACR,MAAME,MAAc,GAAG;IACrBM,sBAAsB,EAAER,IAAI,CAACQ,sBAAsB;IACnDC,qBAAqB,EAAET,IAAI,CAACS,qBAAqB;IACjDC,kBAAkB,EAAEV,IAAI,CAACU,kBAAkB;IAC3CC,WAAW,EAAEX,IAAI,CAACW,WAAW;IAC7BC,oBAAoB,EAAEZ,IAAI,CAACY,oBAAoB;IAC/CC,QAAQ,EAAEb,IAAI,CAACa,QAAQ,IAAI,IAAI,IAAIb,IAAI,CAACa,QAAQ;IAChDC,OAAO,EAAEd,IAAI,CAACc,OAAO;IACrBC,QAAQ,EAAEf,IAAI,CAACe,QAAQ;IACvBC,OAAO,EAAEhB,IAAI,CAACgB,OAAO;IACrBC,MAAM,EAAE;MACNC,sBAAsB,EAAE,IAAI;MAC5BC,KAAK,EAAE;IACT,CAAC;IACDC,WAAW,EAAAC,MAAA,CAAAC,MAAA;MACTC,MAAM,EAAE,QAAQ;MAChBC,IAAI,EAAE,IAAI;MACVC,OAAO,EAAwC;IAAK,GACjDzB,IAAI,CAACoB,WAAW,CACpB;IACDM,wBAAwB,EAAE1B,IAAI,CAAC0B,wBAAwB;IACvDC,UAAU,EAAE3B,IAAI,CAAC2B;EACnB,CAAC;EAEkC;IACjCzB,MAAM,CAAC0B,sBAAsB,GAAG5B,IAAI,CAAC4B,sBAAsB;IAC3D1B,MAAM,CAACkB,WAAW,CAACS,IAAI,GAAG7B,IAAI,CAAC8B,qBAAqB;EACtD;EAEA,IAAI5B,MAAM,CAACa,QAAQ,EAAE;IACnBb,MAAM,CAACY,OAAO,GAAG,IAAI;IAErBZ,MAAM,CAACQ,kBAAkB,GACvBR,MAAM,CAACQ,kBAAkB,KAAK,MAAMR,MAAM,CAACW,QAAQ,CAAC;EACxD,CAAC,MAAM;IACLX,MAAM,CAACQ,kBAAkB,GACvBR,MAAM,CAACQ,kBAAkB,KACxBqB,KAAK,IACJ7B,MAAM,CAACW,QAAQ,IACfkB,KAAK,CAACC,QAAQ,CAAC,UAAU,CAAC,IAC1BD,KAAK,CAACC,QAAQ,CAAC,WAAW,CAAC,CAAC;EAClC;EAEA,IAAI9B,MAAM,CAACY,OAAO,KAAK,MAAM,EAAE;IAC7BZ,MAAM,CAACY,OAAO,GAAG,OAAOb,IAAI,KAAK,QAAQ,IAAIA,IAAI,CAACgC,MAAM,GAAG,MAAO;IAElE,IAAI/B,MAAM,CAACY,OAAO,EAAE;MAClBoB,OAAO,CAACC,KAAK,CACX,kEAAkE,GAC/D,GAAEnC,IAAI,CAACoC,QAAS,6BAA4B,OAAQ,GAAE,CAC1D;IACH;EACF;EAEA,IAAIlC,MAAM,CAACY,OAAO,EAAE;IAClBZ,MAAM,CAACe,MAAM,CAACC,sBAAsB,GAAG,KAAK;EAC9C;EAEA,MAAM;IAAEV,sBAAsB;IAAEC,qBAAqB;IAAEC;EAAmB,CAAC,GACzER,MAAM;EAER,IAAIM,sBAAsB,IAAI,CAACE,kBAAkB,CAACF,sBAAsB,CAAC,EAAE;IACzEN,MAAM,CAACM,sBAAsB,GAAG6B,SAAS;EAC3C;EACA,IAAI5B,qBAAqB,IAAI,CAACC,kBAAkB,CAACD,qBAAqB,CAAC,EAAE;IACvEP,MAAM,CAACO,qBAAqB,GAAG4B,SAAS;EAC1C;EAEA,OAAOnC,MAAM;AACf;AA8HO,MAAMoC,aAAa,CAAC;EAEzBxC,WAAWA,CAACC,GAAW,EAAEC,IAAuB,EAAEC,IAAa,EAAE;IAAA,KADzDsC,UAAU;IAEhB,IAAI,CAACA,UAAU,GAAG,IAAI3C,SAAS,CAACG,GAAG,EAAEC,IAAI,EAAEC,IAAI,CAAC;EAClD;EACAM,QAAQA,CAAA,EAAoB;IAC1B,OAAO,IAAI,CAACgC,UAAU,CAAChC,QAAQ,EAAE;EACnC;AACF;AAACiC,OAAA,CAAAF,aAAA,GAAAA,aAAA;AASc,SAAS/B,QAAQA,CAC9BR,GAAW,EACXC,IAAuB,EACvBC,IAA8C,EAC9C;EACA,MAAMwC,GAAG,GAAG,IAAI7C,SAAS,CAACG,GAAG,EAAEC,IAAI,EAAEC,IAAI,CAAC;EAC1C,OAAOwC,GAAG,CAAClC,QAAQ,EAAE;AACvB"}