1 line
5.3 KiB
Plaintext
1 line
5.3 KiB
Plaintext
|
{"version":3,"names":["_features","require","generateRegexpuOptions","pattern","toTransform","feat","name","ok","hasFeature","FEATURES","featDuplicateNamedGroups","regex","seen","Set","match","exec","add","has","unicodeFlag","unicodeSetsFlag","dotAllFlag","unicodePropertyEscapes","namedGroups","onNamedGroup","modifiers","canSkipRegexpu","node","options","flags","includes","test","transformFlags","regexpuOptions","replace"],"sources":["../src/util.ts"],"sourcesContent":["import type { types as t } from \"@babel/core\";\nimport { FEATURES, hasFeature } from \"./features.ts\";\n\nimport type { RegexpuOptions } from \"regexpu-core\";\n\nexport function generateRegexpuOptions(\n pattern: string,\n toTransform: number,\n): RegexpuOptions {\n type Experimental = 1;\n\n const feat = <Stability extends 0 | 1 = 0>(\n name: keyof typeof FEATURES,\n ok: \"transform\" | (Stability extends 0 ? never : \"parse\") = \"transform\",\n ) => {\n return hasFeature(toTransform, FEATURES[name]) ? ok : false;\n };\n\n const featDuplicateNamedGroups = (): \"transform\" | false => {\n if (!feat(\"duplicateNamedCaptureGroups\")) return false;\n\n // This can return false positive, for example for /\\(?<a>\\)/.\n // However, it's such a rare occurrence that it's ok to compile\n // the regexp even if we only need to compile regexps with\n // duplicate named capturing groups.\n const regex = /\\(\\?<([^>]+)>/g;\n const seen = new Set();\n for (let match; (match = regex.exec(pattern)); seen.add(match[1])) {\n if (seen.has(match[1])) return \"transform\";\n }\n return false;\n };\n\n return {\n unicodeFlag: feat(\"unicodeFlag\"),\n unicodeSetsFlag: feat<Experimental>(\"unicodeSetsFlag\") || \"parse\",\n dotAllFlag: feat(\"dotAllFlag\"),\n unicodePropertyEscapes: feat(\"unicodePropertyEscape\"),\n namedGroups: feat(\"namedCaptureGroups\") || featDuplicateNamedGroups(),\n onNamedGroup: () => {},\n modifiers: feat(\"modifiers\"),\n };\n}\n\nexport function canSkipRegexpu(\n node: t.RegExpLiteral,\n options: RegexpuOptions,\n): boolean {\n const { flags, pattern } = node;\n\n if (flags.includes(\"v\")) {\n if (options.unicodeSetsFlag === \"transform\") return false;\n }\n\n if (flags.includes(\"u\")) {\n if (options.unicodeFlag === \"transform\") return false;\n if (\n options.unicodePropertyEscapes === \"transform\" &&\n /\\\\p\\{/i.test(pattern)\n ) {\n return false;\n }\n }\n\n if (flags.includes(\"s\")) {\n if (options.dotAllFlag === \"transform\") return false;\n }\n\n if (options.namedGroups === \"transform\" && /\\(\\?<(?![=!])/.test(pattern)) {\n return false;\n }\n\n if (options.modifiers === \"transform\" && /\\(\\?[\\w-]+:/.test(pattern)) {\n return false;\n }\n\n return true;\n}\n\nexport function transformFlags(regexpuOptions: RegexpuOptions, flags: string) {\n if (regexpuOptions.unicodeSetsFlag === \"transform\") {\n flags = flags.replace(\"v\", \"u\");\n }\n if (regexpuOptions.unicodeFlag === \"transform\") {\n flags = flags.replace(\"u\", \"\");\n }\n if (regexpuOptions.dotAllFlag === \"transform\") {\n flags = flags.replace(\"s\", \"\");\n }\n return flags;\n}\n"],"mappings":";;;;;;;;AACA,IAAAA,SAAA,GAAAC,OAAA;AAIO,SAASC,sBAAsBA,CACpCC,OAAe,EACfC,WAAmB,EACH;EAGhB,MAAMC,IAAI,GAAGA,CACXC,IAA2B,EAC3BC,EAAyD,GAAG,WAAW,KACpE;IACH,OAAO,IAAAC,oBAAU,EAACJ,WAAW,EAAEK,kBAAQ,CAACH,IAAI,CAAC,CAAC,GAAGC,EAAE,GAAG,KAAK;EAC7D,CAAC;EAED,MAAMG,wBAAwB,GAAGA,CAAA,KAA2B;IAC1D,IAAI,CAACL,IAAI,CAAC,6BAA6B,CAAC,EAAE,OAAO,KAAK;IAMtD,MAAMM,KAAK,GAAG,gBAAgB;IAC9B,MAAMC,IAAI,GAAG,IAAIC,GAAG,CAAC,CAAC;IACtB,KAAK,IAAIC,KAAK,EAAGA,KAAK,GAAGH,KAAK,CAACI,IAAI,CAACZ,OAAO,CAAC,EAAGS,IAAI,CAACI,GAAG,CAACF,KAAK,CAAC,CAAC,CAAC,CAAC,EAAE;MACjE,IAAIF,IAAI,CAACK,GAAG,CAACH,KAAK,CAAC,CAAC,CAAC,CAAC,EAAE,OAAO,WAAW;IAC5C;IACA,OAAO,KAAK;EACd,CAAC;EAED,OAAO;IACLI,WAAW,EAAEb,IAAI,CAAC,aAAa,CAAC;IAChCc,eAAe,EAAEd,IAAI,CAAe,iBAAiB,CAAC,IAAI,OAAO;IACjEe,UAAU,EAAEf,IAAI,CAAC,YAAY,CAAC;IAC9BgB,sBAAsB,EAAEhB,IAAI,CAAC,uBAAuB,CAAC;IACrDiB,WAAW,EAAEj
|