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package.lib.printer.js.map Maven / Gradle / Ivy
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Buffer, { type Pos } from \"./buffer.ts\";\nimport type { Loc } from \"./buffer.ts\";\nimport * as n from \"./node/index.ts\";\nimport type * as t from \"@babel/types\";\nimport {\n isFunction,\n isStatement,\n isClassBody,\n isTSInterfaceBody,\n isTSEnumDeclaration,\n} from \"@babel/types\";\nimport type { Opts as jsescOptions } from \"jsesc\";\n\nimport type { GeneratorOptions } from \"./index.ts\";\nimport * as generatorFunctions from \"./generators/index.ts\";\nimport type SourceMap from \"./source-map.ts\";\nimport type { TraceMap } from \"@jridgewell/trace-mapping\";\n\n// We inline this package\n// eslint-disable-next-line import/no-extraneous-dependencies\nimport * as charCodes from \"charcodes\";\n\nconst SCIENTIFIC_NOTATION = /e/i;\nconst ZERO_DECIMAL_INTEGER = /\\.0+$/;\nconst HAS_NEWLINE = /[\\n\\r\\u2028\\u2029]/;\nconst HAS_NEWLINE_OR_BlOCK_COMMENT_END = /[\\n\\r\\u2028\\u2029]|\\*\\//;\n\nconst { needsParens } = n;\n\nconst enum COMMENT_TYPE {\n LEADING,\n INNER,\n TRAILING,\n}\n\nconst enum COMMENT_SKIP_NEWLINE {\n DEFAULT,\n ALL,\n LEADING,\n TRAILING,\n}\n\nconst enum PRINT_COMMENT_HINT {\n SKIP,\n ALLOW,\n DEFER,\n}\n\nexport type Format = {\n shouldPrintComment: (comment: string) => boolean;\n retainLines: boolean;\n retainFunctionParens: boolean;\n comments: boolean;\n auxiliaryCommentBefore: string;\n auxiliaryCommentAfter: string;\n compact: boolean | \"auto\";\n minified: boolean;\n concise: boolean;\n indent: {\n adjustMultilineComment: boolean;\n style: string;\n };\n /**\n * @deprecated Removed in Babel 8, syntax type is always 'hash'\n */\n recordAndTupleSyntaxType?: GeneratorOptions[\"recordAndTupleSyntaxType\"];\n jsescOption: jsescOptions;\n /**\n * @deprecated Removed in Babel 8, use `jsescOption` instead\n */\n jsonCompatibleStrings?: boolean;\n /**\n * For use with the Hack-style pipe operator.\n * Changes what token is used for pipe bodies’ topic references.\n */\n topicToken?: GeneratorOptions[\"topicToken\"];\n /**\n * @deprecated Removed in Babel 8\n */\n decoratorsBeforeExport?: boolean;\n /**\n * The import attributes syntax style:\n * - \"with\" : `import { a } from \"b\" with { type: \"json\" };`\n * - \"assert\" : `import { a } from \"b\" assert { type: \"json\" };`\n * - \"with-legacy\" : `import { a } from \"b\" with type: \"json\";`\n */\n importAttributesKeyword?: \"with\" | \"assert\" | \"with-legacy\";\n};\n\ninterface AddNewlinesOptions {\n addNewlines(leading: boolean, node: t.Node): number;\n nextNodeStartLine: number;\n}\n\ninterface PrintSequenceOptions extends Partial {\n statement?: boolean;\n indent?: boolean;\n trailingCommentsLineOffset?: number;\n}\n\ninterface PrintListOptions {\n separator?: (this: Printer) => void;\n iterator?: (node: t.Node, index: number) => void;\n statement?: boolean;\n indent?: boolean;\n}\n\nexport type PrintJoinOptions = PrintListOptions & PrintSequenceOptions;\nclass Printer {\n constructor(format: Format, map: SourceMap) {\n this.format = format;\n\n this._indentRepeat = format.indent.style.length;\n\n this._inputMap = map?._inputMap;\n\n this._buf = new Buffer(map, format.indent.style[0]);\n }\n declare _inputMap: TraceMap;\n\n declare format: Format;\n\n inForStatementInit: boolean = false;\n enterForStatementInit(val: boolean) {\n const old = this.inForStatementInit;\n if (old === val) return () => {};\n this.inForStatementInit = val;\n return () => {\n this.inForStatementInit = old;\n };\n }\n\n tokenContext: number = 0;\n\n declare _buf: Buffer;\n _currentNode: t.Node = null;\n _indent: number = 0;\n _indentRepeat: number = 0;\n _insideAux: boolean = false;\n _parenPushNewlineState: { printed: boolean } | null = null;\n _noLineTerminator: boolean = false;\n _printAuxAfterOnNextUserNode: boolean = false;\n _printedComments = new Set();\n _endsWithInteger = false;\n _endsWithWord = false;\n _endsWithDiv = false;\n _lastCommentLine = 0;\n _endsWithInnerRaw: boolean = false;\n _indentInnerComments: boolean = true;\n\n generate(ast: t.Node) {\n this.print(ast);\n this._maybeAddAuxComment();\n\n return this._buf.get();\n }\n\n /**\n * Increment indent size.\n */\n\n indent(): void {\n if (this.format.compact || this.format.concise) return;\n\n this._indent++;\n }\n\n /**\n * Decrement indent size.\n */\n\n dedent(): void {\n if (this.format.compact || this.format.concise) return;\n\n this._indent--;\n }\n\n /**\n * Add a semicolon to the buffer.\n */\n\n semicolon(force: boolean = false): void {\n this._maybeAddAuxComment();\n if (force) {\n this._appendChar(charCodes.semicolon);\n } else {\n this._queue(charCodes.semicolon);\n }\n this._noLineTerminator = false;\n }\n\n /**\n * Add a right brace to the buffer.\n */\n\n rightBrace(node: t.Node): void {\n if (this.format.minified) {\n this._buf.removeLastSemicolon();\n }\n this.sourceWithOffset(\"end\", node.loc, -1);\n this.token(\"}\");\n }\n\n rightParens(node: t.Node): void {\n this.sourceWithOffset(\"end\", node.loc, -1);\n this.token(\")\");\n }\n\n /**\n * Add a space to the buffer unless it is compact.\n */\n\n space(force: boolean = false): void {\n if (this.format.compact) return;\n\n if (force) {\n this._space();\n } else if (this._buf.hasContent()) {\n const lastCp = this.getLastChar();\n if (lastCp !== charCodes.space && lastCp !== charCodes.lineFeed) {\n this._space();\n }\n }\n }\n\n /**\n * Writes a token that can't be safely parsed without taking whitespace into account.\n */\n\n word(str: string, noLineTerminatorAfter: boolean = false): void {\n this.tokenContext = 0;\n\n this._maybePrintInnerComments();\n\n // prevent concatenating words and creating // comment out of division and regex\n if (\n this._endsWithWord ||\n (this._endsWithDiv && str.charCodeAt(0) === charCodes.slash)\n ) {\n this._space();\n }\n\n this._maybeAddAuxComment();\n this._append(str, false);\n\n this._endsWithWord = true;\n this._noLineTerminator = noLineTerminatorAfter;\n }\n\n /**\n * Writes a number token so that we can validate if it is an integer.\n */\n\n number(str: string, number?: number): void {\n // const NON_DECIMAL_LITERAL = /^0[box]/;\n function isNonDecimalLiteral(str: string) {\n if (str.length > 2 && str.charCodeAt(0) === charCodes.digit0) {\n const secondChar = str.charCodeAt(1);\n return (\n secondChar === charCodes.lowercaseB ||\n secondChar === charCodes.lowercaseO ||\n secondChar === charCodes.lowercaseX\n );\n }\n return false;\n }\n this.word(str);\n\n // Integer tokens need special handling because they cannot have '.'s inserted\n // immediately after them.\n this._endsWithInteger =\n Number.isInteger(number) &&\n !isNonDecimalLiteral(str) &&\n !SCIENTIFIC_NOTATION.test(str) &&\n !ZERO_DECIMAL_INTEGER.test(str) &&\n str.charCodeAt(str.length - 1) !== charCodes.dot;\n }\n\n /**\n * Writes a simple token.\n */\n token(str: string, maybeNewline = false): void {\n this.tokenContext = 0;\n\n this._maybePrintInnerComments();\n\n const lastChar = this.getLastChar();\n const strFirst = str.charCodeAt(0);\n if (\n (lastChar === charCodes.exclamationMark &&\n // space is mandatory to avoid outputting 