| 1 | {"version":3,"names":["_jsTokens","require","_helperValidatorIdentifier","_picocolors","_interopRequireWildcard","_getRequireWildcardCache","e","WeakMap","r","t","__esModule","default","has","get","n","__proto__","a","Object","defineProperty","getOwnPropertyDescriptor","u","hasOwnProperty","call","i","set","colors","process","env","FORCE_COLOR","createColors","_colors","compose","f","g","v","sometimesKeywords","Set","getDefs","keyword","cyan","capitalized","yellow","jsxIdentifier","punctuator","number","magenta","string","green","regex","comment","gray","invalid","white","bgRed","bold","NEWLINE","BRACKET","tokenize","JSX_TAG","getTokenType","token","offset","text","type","isKeyword","value","isStrictReservedWord","test","slice","toLowerCase","match","jsTokens","exec","matchToToken","index","highlightTokens","defs","highlighted","colorize","split","map","str","join","shouldHighlight","options","isColorSupported","forceColor","pcWithForcedColor","undefined","getColors","_pcWithForcedColor","highlight","code","chalk","chalkWithForcedColor","exports","getChalk","_chalk","_chalkWithForcedColor","constructor","enabled","level"],"sources":["../src/index.ts"],"sourcesContent":["import type { Token as JSToken, JSXToken } from \"js-tokens\";\nimport jsTokens from \"js-tokens\";\n\nimport {\n isStrictReservedWord,\n isKeyword,\n} from \"@babel/helper-validator-identifier\";\n\nimport _colors, { createColors } from \"picocolors\";\nimport type { Colors, Formatter } from \"picocolors/types\";\n// See https://github.com/alexeyraspopov/picocolors/issues/62\nconst colors =\n typeof process === \"object\" &&\n (process.env.FORCE_COLOR === \"0\" || process.env.FORCE_COLOR === \"false\")\n ? createColors(false)\n : _colors;\n\nconst compose: <T, U, V>(f: (gv: U) => V, g: (v: T) => U) => (v: T) => V =\n (f, g) => v =>\n f(g(v));\n\n/**\n * Names that are always allowed as identifiers, but also appear as keywords\n * within certain syntactic productions.\n *\n * https://tc39.es/ecma262/#sec-keywords-and-reserved-words\n *\n * `target` has been omitted since it is very likely going to be a false\n * positive.\n */\nconst sometimesKeywords = new Set([\"as\", \"async\", \"from\", \"get\", \"of\", \"set\"]);\n\ntype InternalTokenType =\n | \"keyword\"\n | \"capitalized\"\n | \"jsxIdentifier\"\n | \"punctuator\"\n | \"number\"\n | \"string\"\n | \"regex\"\n | \"comment\"\n | \"invalid\";\n\ntype Token = {\n type: InternalTokenType | \"uncolored\";\n value: string;\n};\n/**\n * Styles for token types.\n */\nfunction getDefs(colors: Colors): Record<InternalTokenType, Formatter> {\n return {\n keyword: colors.cyan,\n capitalized: colors.yellow,\n jsxIdentifier: colors.yellow,\n punctuator: colors.yellow,\n number: colors.magenta,\n string: colors.green,\n regex: colors.magenta,\n comment: colors.gray,\n invalid: compose(compose(colors.white, colors.bgRed), colors.bold),\n };\n}\n\n/**\n * RegExp to test for newlines in terminal.\n */\nconst NEWLINE = /\\r\\n|[\\n\\r\\u2028\\u2029]/;\n\n/**\n * RegExp to test for the three types of brackets.\n */\nconst BRACKET = /^[()[\\]{}]$/;\n\nlet tokenize: (\n text: string,\n) => Generator<{ type: InternalTokenType | \"uncolored\"; value: string }>;\n\nif (process.env.BABEL_8_BREAKING) {\n /**\n * Get the type of token, specifying punctuator type.\n */\n const getTokenType = function (\n token: JSToken | JSXToken,\n ): InternalTokenType | \"uncolored\" {\n if (token.type === \"IdentifierName\") {\n if (\n isKeyword(token.value) ||\n isStrictReservedWord(token.value, true) ||\n sometimesKeywords.has(token.value)\n ) {\n return \"keyword\";\n }\n\n if (token.value[0] !== token.value[0].toLowerCase()) {\n return \"capitalized\";\n }\n }\n\n if (token.type === \"Punctuator\" && BRACKET.test(token.value)) {\n return \"uncolored\";\n }\n\n if (token.type === \"Invalid\" && token.value === \"@\") {\n return \"punctuator\";\n }\n\n switch (token.type) {\n case \"NumericLiteral\":\n return \"number\";\n\n case \"StringLiteral\":\n case \"JSXString\":\n case \"NoSubstitutionTemplate\":\n return \"string\";\n\n case \"RegularExpressionLiteral\":\n return \"regex\";\n\n case \"Punctuator\":\n case \"JSXPunctuator\":\n return \"punctuator\";\n\n case \"MultiLineComment\":\n case \"SingleLineComment\":\n return \"comment\";\n\n case \"Invalid\":\n case \"JSXInvalid\":\n return \"invalid\";\n\n case \"JSXIdentifier\":\n return \"jsxIdentifier\";\n\n default:\n return \"uncolored\";\n }\n };\n\n /**\n * Turn a string of JS into an array of objects.\n */\n tokenize = function* (text: string): Generator<Token> {\n for (const token of jsTokens(text, { jsx: true })) {\n switch (token.type) {\n case \"TemplateHead\":\n yield { type: \"string\", value: token.value.slice(0, -2) };\n yield { type: \"punctuator\", value: \"${\" };\n break;\n\n case \"TemplateMiddle\":\n yield { type: \"punctuator\", value: \"}\" };\n yield { type: \"string\", value: token.value.slice(1, -2) };\n yield { type: \"punctuator\", value: \"${\" };\n break;\n\n case \"TemplateTail\":\n yield { type: \"punctuator\", value: \"}\" };\n yield { type: \"string\", value: token.value.slice(1) };\n break;\n\n default:\n yield {\n type: getTokenType(token),\n value: token.value,\n };\n }\n }\n };\n} else {\n /**\n * RegExp to test for what seems to be a JSX tag name.\n */\n const JSX_TAG = /^[a-z][\\w-]*$/i;\n\n // The token here is defined in js-tokens@4. However we don't bother\n // typing it since the whole block will be removed in Babel 8\n const getTokenType = function (token: any, offset: number, text: string) {\n if (token.type === \"name\") {\n if (\n isKeyword(token.value) ||\n isStrictReservedWord(token.value, true) ||\n sometimesKeywords.has(token.value)\n ) {\n return \"keyword\";\n }\n\n if (\n JSX_TAG.test(token.value) &&\n (text[offset - 1] === \"<\" || text.slice(offset - 2, offset) === \"</\")\n ) {\n return \"jsxIdentifier\";\n }\n\n if (token.value[0] !== token.value[0].toLowerCase()) {\n return \"capitalized\";\n }\n }\n\n if (token.type === \"punctuator\" && BRACKET.test(token.value)) {\n return \"bracket\";\n }\n\n if (\n token.type === \"invalid\" &&\n (token.value === \"@\" || token.value === \"#\")\n ) {\n return \"punctuator\";\n }\n\n return token.type;\n };\n\n tokenize = function* (text: string) {\n let match;\n while ((match = (jsTokens as any).default.exec(text))) {\n const token = (jsTokens as any).matchToToken(match);\n\n yield {\n type: getTokenType(token, match.index, text),\n value: token.value,\n };\n }\n };\n}\n\n/**\n * Highlight `text` using the token definitions in `defs`.\n */\nfunction highlightTokens(defs: Record<string, Formatter>, text: string) {\n let highlighted = \"\";\n\n for (const { type, value } of tokenize(text)) {\n const colorize = defs[type];\n if (colorize) {\n highlighted += value\n .split(NEWLINE)\n .map(str => colorize(str))\n .join(\"\\n\");\n } else {\n highlighted += value;\n }\n }\n\n return highlighted;\n}\n\n/**\n * Highlight `text` using the token definitions in `defs`.\n */\n\ntype Options = {\n forceColor?: boolean;\n};\n\n/**\n * Whether the code should be highlighted given the passed options.\n */\nexport function shouldHighlight(options: Options): boolean {\n return colors.isColorSupported || options.forceColor;\n}\n\nlet pcWithForcedColor: Colors = undefined;\nfunction getColors(forceColor: boolean) {\n if (forceColor) {\n pcWithForcedColor ??= createColors(true);\n return pcWithForcedColor;\n }\n return colors;\n}\n\n/**\n * Highlight `code`.\n */\nexport default function highlight(code: string, options: Options = {}): string {\n if (code !== \"\" && shouldHighlight(options)) {\n const defs = getDefs(getColors(options.forceColor));\n return highlightTokens(defs, code);\n } else {\n return code;\n }\n}\n\nif (!process.env.BABEL_8_BREAKING && !USE_ESM && !IS_STANDALONE) {\n let chalk: any, chalkWithForcedColor: any;\n // eslint-disable-next-line no-restricted-globals\n exports.getChalk = ({ forceColor }: Options) => {\n // eslint-disable-next-line no-restricted-globals\n chalk ??= require(\"chalk\");\n if (forceColor) {\n chalkWithForcedColor ??= new chalk.constructor({\n enabled: true,\n level: 1,\n });\n return chalkWithForcedColor;\n }\n return chalk;\n 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