1{"version":3,"file":"generateCode.js","names":["getGeneratedSectionIndexes","src","tag","contents","split","start","findIndex","line","includes","end","mergeContents","newSrc","anchor","offset","comment","header","createGeneratedHeaderComment","sanitizedTarget","removeGeneratedContents","addLines","didMerge","didClear","removeContents","content","find","toAdd","lines","lineIndex","match","error","Error","code","newLine","splice","join","hashKey","createHash","hash","crypto","update","digest"],"sources":["../../src/utils/generateCode.ts"],"sourcesContent":["/**\n * Get line indexes for the generated section of a file.\n *\n * @param src\n */\nimport crypto from 'crypto';\n\nfunction getGeneratedSectionIndexes(\n src: string,\n tag: string\n): { contents: string[]; start: number; end: number } {\n const contents = src.split('\\n');\n const start = contents.findIndex((line) => line.includes(`@generated begin ${tag}`));\n const end = contents.findIndex((line) => line.includes(`@generated end ${tag}`));\n\n return { contents, start, end };\n}\n\nexport type MergeResults = {\n contents: string;\n didClear: boolean;\n didMerge: boolean;\n};\n\n/**\n * Merge the contents of two files together and add a generated header.\n *\n * @param src contents of the original file\n * @param newSrc new contents to merge into the original file\n * @param identifier used to update and remove merges\n * @param anchor regex to where the merge should begin\n * @param offset line offset to start merging at (<1 for behind the anchor)\n * @param comment comment style `//` or `#`\n */\nexport function mergeContents({\n src,\n newSrc,\n tag,\n anchor,\n offset,\n comment,\n}: {\n src: string;\n newSrc: string;\n tag: string;\n anchor: string | RegExp;\n offset: number;\n comment: string;\n}): MergeResults {\n const header = createGeneratedHeaderComment(newSrc, tag, comment);\n if (!src.includes(header)) {\n // Ensure the old generated contents are removed.\n const sanitizedTarget = removeGeneratedContents(src, tag);\n return {\n contents: addLines(sanitizedTarget ?? src, anchor, offset, [\n header,\n ...newSrc.split('\\n'),\n `${comment} @generated end ${tag}`,\n ]),\n didMerge: true,\n didClear: !!sanitizedTarget,\n };\n }\n return { contents: src, didClear: false, didMerge: false };\n}\n\nexport function removeContents({ src, tag }: { src: string; tag: string }): MergeResults {\n // Ensure the old generated contents are removed.\n const sanitizedTarget = removeGeneratedContents(src, tag);\n return {\n contents: sanitizedTarget ?? src,\n didMerge: false,\n didClear: !!sanitizedTarget,\n };\n}\n\nfunction addLines(content: string, find: string | RegExp, offset: number, toAdd: string[]) {\n const lines = content.split('\\n');\n\n let lineIndex = lines.findIndex((line) => line.match(find));\n if (lineIndex < 0) {\n const error = new Error(`Failed to match \"${find}\" in contents:\\n${content}`);\n // @ts-ignore\n error.code = 'ERR_NO_MATCH';\n throw error;\n }\n for (const newLine of toAdd) {\n lines.splice(lineIndex + offset, 0, newLine);\n lineIndex++;\n }\n\n return lines.join('\\n');\n}\n\n/**\n * Removes the generated section from a file, returns null when nothing can be removed.\n * This sways heavily towards not removing lines unless it's certain that modifications were not made manually.\n *\n * @param src\n */\nexport function removeGeneratedContents(src: string, tag: string): string | null {\n const { contents, start, end } = getGeneratedSectionIndexes(src, tag);\n if (start > -1 && end > -1 && start < end) {\n contents.splice(start, end - start + 1);\n // TODO: We could in theory check that the contents we're removing match the hash used in the header,\n // this would ensure that we don't accidentally remove lines that someone added or removed from the generated section.\n return contents.join('\\n');\n }\n return null;\n}\n\nexport function createGeneratedHeaderComment(\n contents: string,\n tag: string,\n comment: string\n): string {\n const hashKey = createHash(contents);\n\n // Everything after the `${tag} ` is unversioned and can be freely modified without breaking changes.\n return `${comment} @generated begin ${tag} - expo prebuild (DO NOT MODIFY) ${hashKey}`;\n}\n\nexport function createHash(src: string): string {\n // this doesn't need to be secure, the shorter the better.\n const hash = crypto.createHash('sha1').update(src).digest('hex');\n return `sync-${hash}`;\n}\n"],"mappings":";;;;;;;;;;;AAKA;EAAA;;EAAA;IAAA;EAAA;;EAAA;AAAA;;;;AALA;AACA;AACA;AACA;AACA;AAGA,SAASA,0BAAT,CACEC,GADF,EAEEC,GAFF,EAGsD;EACpD,MAAMC,QAAQ,GAAGF,GAAG,CAACG,KAAJ,CAAU,IAAV,CAAjB;EACA,MAAMC,KAAK,GAAGF,QAAQ,CAACG,SAAT,CAAoBC,IAAD,IAAUA,IAAI,CAACC,QAAL,CAAe,oBAAmBN,GAAI,EAAtC,CAA7B,CAAd;EACA,MAAMO,GAAG,GAAGN,QAAQ,CAACG,SAAT,CAAoBC,IAAD,IAAUA,IAAI,CAACC,QAAL,CAAe,kBAAiBN,GAAI,EAApC,CAA7B,CAAZ;EAEA,OAAO;IAAEC,QAAF;IAAYE,KAAZ;IAAmBI;EAAnB,CAAP;AACD;;AAQD;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,SAASC,aAAT,CAAuB;EAC5BT,GAD4B;EAE5BU,MAF4B;EAG5BT,GAH4B;EAI5BU,MAJ4B;EAK5BC,MAL4B;EAM5BC;AAN4B,CAAvB,EAcU;EACf,MAAMC,MAAM,GAAGC,4BAA4B,CAACL,MAAD,EAAST,GAAT,EAAcY,OAAd,CAA3C;;EACA,IAAI,CAACb,GAAG,CAACO,QAAJ,CAAaO,MAAb,CAAL,EAA2B;IACzB;IACA,MAAME,eAAe,GAAGC,uBAAuB,CAACjB,GAAD,EAAMC,GAAN,CAA/C;IACA,OAAO;MACLC,QAAQ,EAAEgB,QAAQ,CAACF,eAAD,aAACA,eAAD,cAACA,eAAD,GAAoBhB,GAApB,EAAyBW,MAAzB,EAAiCC,MAAjC,EAAyC,CACzDE,MADyD,EAEzD,GAAGJ,MAAM,CAACP,KAAP,CAAa,IAAb,CAFsD,EAGxD,GAAEU,OAAQ,mBAAkBZ,GAAI,EAHwB,CAAzC,CADb;MAMLkB,QAAQ,EAAE,IANL;MAOLC,QAAQ,EAAE,CAAC,CAACJ;IAPP,CAAP;EASD;;EACD,OAAO;IAAEd,QAAQ,EAAEF,GAAZ;IAAiBoB,QAAQ,EAAE,KAA3B;IAAkCD,QAAQ,EAAE;EAA5C,CAAP;AACD;;AAEM,SAASE,cAAT,CAAwB;EAAErB,GAAF;EAAOC;AAAP,CAAxB,EAAkF;EACvF;EACA,MAAMe,eAAe,GAAGC,uBAAuB,CAACjB,GAAD,EAAMC,GAAN,CAA/C;EACA,OAAO;IACLC,QAAQ,EAAEc,eAAF,aAAEA,eAAF,cAAEA,eAAF,GAAqBhB,GADxB;IAELmB,QAAQ,EAAE,KAFL;IAGLC,QAAQ,EAAE,CAAC,CAACJ;EAHP,CAAP;AAKD;;AAED,SAASE,QAAT,CAAkBI,OAAlB,EAAmCC,IAAnC,EAA0DX,MAA1D,EAA0EY,KAA1E,EAA2F;EACzF,MAAMC,KAAK,GAAGH,OAAO,CAACnB,KAAR,CAAc,IAAd,CAAd;EAEA,IAAIuB,SAAS,GAAGD,KAAK,CAACpB,SAAN,CAAiBC,IAAD,IAAUA,IAAI,CAACqB,KAAL,CAAWJ,IAAX,CAA1B,CAAhB;;EACA,IAAIG,SAAS,GAAG,CAAhB,EAAmB;IACjB,MAAME,KAAK,GAAG,IAAIC,KAAJ,CAAW,oBAAmBN,IAAK,mBAAkBD,OAAQ,EAA7D,CAAd,CADiB,CAEjB;;IACAM,KAAK,CAACE,IAAN,GAAa,cAAb;IACA,MAAMF,KAAN;EACD;;EACD,KAAK,MAAMG,OAAX,IAAsBP,KAAtB,EAA6B;IAC3BC,KAAK,CAACO,MAAN,CAAaN,SAAS,GAAGd,MAAzB,EAAiC,CAAjC,EAAoCmB,OAApC;IACAL,SAAS;EACV;;EAED,OAAOD,KAAK,CAACQ,IAAN,CAAW,IAAX,CAAP;AACD;AAED;AACA;AACA;AACA;AACA;AACA;;;AACO,SAAShB,uBAAT,CAAiCjB,GAAjC,EAA8CC,GAA9C,EAA0E;EAC/E,MAAM;IAAEC,QAAF;IAAYE,KAAZ;IAAmBI;EAAnB,IAA2BT,0BAA0B,CAACC,GAAD,EAAMC,GAAN,CAA3D;;EACA,IAAIG,KAAK,GAAG,CAAC,CAAT,IAAcI,GAAG,GAAG,CAAC,CAArB,IAA0BJ,KAAK,GAAGI,GAAtC,EAA2C;IACzCN,QAAQ,CAAC8B,MAAT,CAAgB5B,KAAhB,EAAuBI,GAAG,GAAGJ,KAAN,GAAc,CAArC,EADyC,CAEzC;IACA;;IACA,OAAOF,QAAQ,CAAC+B,IAAT,CAAc,IAAd,CAAP;EACD;;EACD,OAAO,IAAP;AACD;;AAEM,SAASlB,4BAAT,CACLb,QADK,EAELD,GAFK,EAGLY,OAHK,EAIG;EACR,MAAMqB,OAAO,GAAGC,UAAU,CAACjC,QAAD,CAA1B,CADQ,CAGR;;EACA,OAAQ,GAAEW,OAAQ,qBAAoBZ,GAAI,oCAAmCiC,OAAQ,EAArF;AACD;;AAEM,SAASC,UAAT,CAAoBnC,GAApB,EAAyC;EAC9C;EACA,MAAMoC,IAAI,GAAGC,iBAAA,CAAOF,UAAP,CAAkB,MAAlB,EAA0BG,MAA1B,CAAiCtC,GAAjC,EAAsCuC,MAAtC,CAA6C,KAA7C,CAAb;;EACA,OAAQ,QAAOH,IAAK,EAApB;AACD"}