timepiece/node_modules/@babel/traverse/lib/path/ancestry.js.map

1 line
10 KiB
Plaintext

{"version":3,"names":["_t","require","VISITOR_KEYS","findParent","callback","path","parentPath","find","getFunctionParent","p","isFunction","getStatementParent","Array","isArray","container","isStatement","isProgram","isFile","Error","getEarliestCommonAncestorFrom","paths","getDeepestCommonAncestorFrom","deepest","i","ancestries","earliest","keys","type","ancestry","listKey","key","earliestKeyIndex","indexOf","parentKey","currentKeyIndex","filter","length","minDepth","Infinity","lastCommonIndex","lastCommon","map","unshift","first","depthLoop","shouldMatch","getAncestry","push","isAncestor","maybeDescendant","isDescendant","maybeAncestor","parent","inType","candidateTypes","node"],"sources":["../../src/path/ancestry.ts"],"sourcesContent":["// This file contains that retrieve or validate anything related to the current paths ancestry.\n\nimport { VISITOR_KEYS } from \"@babel/types\";\nimport type * as t from \"@babel/types\";\nimport type NodePath from \"./index.ts\";\n\n/**\n * Starting at the parent path of the current `NodePath` and going up the\n * tree, return the first `NodePath` that causes the provided `callback`\n * to return a truthy value, or `null` if the `callback` never returns a\n * truthy value.\n */\n\nexport function findParent(\n this: NodePath,\n callback: (path: NodePath) => boolean,\n): NodePath | null {\n let path = this;\n while ((path = path.parentPath)) {\n if (callback(path)) return path;\n }\n return null;\n}\n\n/**\n * Starting at current `NodePath` and going up the tree, return the first\n * `NodePath` that causes the provided `callback` to return a truthy value,\n * or `null` if the `callback` never returns a truthy value.\n */\n\nexport function find(\n this: NodePath,\n callback: (path: NodePath) => boolean,\n): NodePath | null {\n let path = this;\n do {\n if (callback(path)) return path;\n } while ((path = path.parentPath));\n return null;\n}\n\n/**\n * Get the parent function of the current path.\n */\n\nexport function getFunctionParent(this: NodePath): NodePath<t.Function> | null {\n return this.findParent(p => p.isFunction()) as NodePath<t.Function> | null;\n}\n\n/**\n * Walk up the tree until we hit a parent node path in a list.\n */\n\nexport function getStatementParent(this: NodePath): NodePath<t.Statement> {\n let path = this;\n\n do {\n if (\n !path.parentPath ||\n (Array.isArray(path.container) && path.isStatement())\n ) {\n break;\n } else {\n path = path.parentPath;\n }\n } while (path);\n\n if (path && (path.isProgram() || path.isFile())) {\n throw new Error(\n \"File/Program node, we can't possibly find a statement parent to this\",\n );\n }\n\n return path as NodePath<t.Statement>;\n}\n\n/**\n * Get the deepest common ancestor and then from it, get the earliest relationship path\n * to that ancestor.\n *\n * Earliest is defined as being \"before\" all the other nodes in terms of list container\n * position and visiting key.\n */\n\nexport function getEarliestCommonAncestorFrom(\n this: NodePath,\n paths: Array<NodePath>,\n): NodePath {\n return this.getDeepestCommonAncestorFrom(\n paths,\n function (deepest, i, ancestries) {\n let earliest;\n const keys = VISITOR_KEYS[deepest.type];\n\n for (const ancestry of ancestries) {\n const path = ancestry[i + 1];\n\n // first path\n if (!earliest) {\n earliest = path;\n continue;\n }\n\n // handle containers\n if (path.listKey && earliest.listKey === path.listKey) {\n // we're in the same container so check if we're earlier\n if (path.key < earliest.key) {\n earliest = path;\n continue;\n }\n }\n\n // handle keys\n const earliestKeyIndex = keys.indexOf(earliest.parentKey);\n const currentKeyIndex = keys.indexOf(path.parentKey);\n if (earliestKeyIndex > currentKeyIndex) {\n // key appears before so it's earlier\n earliest = path;\n }\n }\n\n return earliest;\n },\n );\n}\n\n/**\n * Get the earliest path in the tree where the provided `paths` intersect.\n *\n * TODO: Possible optimisation target.\n */\n\nexport function getDeepestCommonAncestorFrom(\n this: NodePath,\n paths: Array<NodePath>,\n filter?: (deepest: NodePath, i: number, ancestries: NodePath[][]) => NodePath,\n): NodePath {\n if (!paths.length) {\n return this;\n }\n\n if (paths.length === 1) {\n return paths[0];\n }\n\n // minimum depth of the tree so we know the highest node\n let minDepth = Infinity;\n\n // last common ancestor\n let lastCommonIndex, lastCommon;\n\n // get the ancestors of the path, breaking when the parent exceeds ourselves\n const ancestries = paths.map(path => {\n const ancestry: NodePath[] = [];\n\n do {\n ancestry.unshift(path);\n } while ((path = path.parentPath) && path !== this);\n\n // save min depth to avoid going too far in\n if (ancestry.length < minDepth) {\n minDepth = ancestry.length;\n }\n\n return ancestry;\n });\n\n // get the first ancestry so we have a seed to assess all other ancestries with\n const first = ancestries[0];\n\n // check ancestor equality\n depthLoop: for (let i = 0; i < minDepth; i++) {\n const shouldMatch = first[i];\n\n for (const ancestry of ancestries) {\n if (ancestry[i] !== shouldMatch) {\n // we've hit a snag\n break depthLoop;\n }\n }\n\n // next iteration may break so store these so they can be returned\n lastCommonIndex = i;\n lastCommon = shouldMatch;\n }\n\n if (lastCommon) {\n if (filter) {\n return filter(lastCommon, lastCommonIndex, ancestries);\n } else {\n return lastCommon;\n }\n } else {\n throw new Error(\"Couldn't find intersection\");\n }\n}\n\n/**\n * Build an array of node paths containing the entire ancestry of the current node path.\n *\n * NOTE: The current node path is included in this.\n */\n\nexport function getAncestry(this: NodePath): Array<NodePath> {\n let path = this;\n const paths = [];\n do {\n paths.push(path);\n } while ((path = path.parentPath));\n return paths;\n}\n\n/**\n * A helper to find if `this` path is an ancestor of @param maybeDescendant\n */\nexport function isAncestor(this: NodePath, maybeDescendant: NodePath): boolean {\n return maybeDescendant.isDescendant(this);\n}\n\n/**\n * A helper to find if `this` path is a descendant of @param maybeAncestor\n */\nexport function isDescendant(this: NodePath, maybeAncestor: NodePath): boolean {\n return !!this.findParent(parent => parent === maybeAncestor);\n}\n\nexport function inType(this: NodePath, ...candidateTypes: string[]): boolean {\n let path = this;\n while (path) {\n for (const type of candidateTypes) {\n if (path.node.type === type) return true;\n }\n path = path.parentPath;\n }\n\n return false;\n}\n"],"mappings":";;;;;;;;;;;;;;;AAEA,IAAAA,EAAA,GAAAC,OAAA;AAA4C;EAAnCC;AAAY,IAAAF,EAAA;AAWd,SAASG,UAAUA,CAExBC,QAAqC,EACpB;EACjB,IAAIC,IAAI,GAAG,IAAI;EACf,OAAQA,IAAI,GAAGA,IAAI,CAACC,UAAU,EAAG;IAC/B,IAAIF,QAAQ,CAACC,IAAI,CAAC,EAAE,OAAOA,IAAI;EACjC;EACA,OAAO,IAAI;AACb;AAQO,SAASE,IAAIA,CAElBH,QAAqC,EACpB;EACjB,IAAIC,IAAI,GAAG,IAAI;EACf,GAAG;IACD,IAAID,QAAQ,CAACC,IAAI,CAAC,EAAE,OAAOA,IAAI;EACjC,CAAC,QAASA,IAAI,GAAGA,IAAI,CAACC,UAAU;EAChC,OAAO,IAAI;AACb;AAMO,SAASE,iBAAiBA,CAAA,EAA8C;EAC7E,OAAO,IAAI,CAACL,UAAU,CAACM,CAAC,IAAIA,CAAC,CAACC,UAAU,CAAC,CAAC,CAAC;AAC7C;AAMO,SAASC,kBAAkBA,CAAA,EAAwC;EACxE,IAAIN,IAAI,GAAG,IAAI;EAEf,GAAG;IACD,IACE,CAACA,IAAI,CAACC,UAAU,IACfM,KAAK,CAACC,OAAO,CAACR,IAAI,CAACS,SAAS,CAAC,IAAIT,IAAI,CAACU,WAAW,CAAC,CAAE,EACrD;MACA;IACF,CAAC,MAAM;MACLV,IAAI,GAAGA,IAAI,CAACC,UAAU;IACxB;EACF,CAAC,QAAQD,IAAI;EAEb,IAAIA,IAAI,KAAKA,IAAI,CAACW,SAAS,CAAC,CAAC,IAAIX,IAAI,CAACY,MAAM,CAAC,CAAC,CAAC,EAAE;IAC/C,MAAM,IAAIC,KAAK,CACb,sEACF,CAAC;EACH;EAEA,OAAOb,IAAI;AACb;AAUO,SAASc,6BAA6BA,CAE3CC,KAAsB,EACZ;EACV,OAAO,IAAI,CAACC,4BAA4B,CACtCD,KAAK,EACL,UAAUE,OAAO,EAAEC,CAAC,EAAEC,UAAU,EAAE;IAChC,IAAIC,QAAQ;IACZ,MAAMC,IAAI,GAAGxB,YAAY,CAACoB,OAAO,CAACK,IAAI,CAAC;IAEvC,KAAK,MAAMC,QAAQ,IAAIJ,UAAU,EAAE;MACjC,MAAMnB,IAAI,GAAGuB,QAAQ,CAACL,CAAC,GAAG,CAAC,CAAC;MAG5B,IAAI,CAACE,QAAQ,EAAE;QACbA,QAAQ,GAAGpB,IAAI;QACf;MACF;MAGA,IAAIA,IAAI,CAACwB,OAAO,IAAIJ,QAAQ,CAACI,OAAO,KAAKxB,IAAI,CAACwB,OAAO,EAAE;QAErD,IAAIxB,IAAI,CAACyB,GAAG,GAAGL,QAAQ,CAACK,GAAG,EAAE;UAC3BL,QAAQ,GAAGpB,IAAI;UACf;QACF;MACF;MAGA,MAAM0B,gBAAgB,GAAGL,IAAI,CAACM,OAAO,CAACP,QAAQ,CAACQ,SAAS,CAAC;MACzD,MAAMC,eAAe,GAAGR,IAAI,CAACM,OAAO,CAAC3B,IAAI,CAAC4B,SAAS,CAAC;MACpD,IAAIF,gBAAgB,GAAGG,eAAe,EAAE;QAEtCT,QAAQ,GAAGpB,IAAI;MACjB;IACF;IAEA,OAAOoB,QAAQ;EACjB,CACF,CAAC;AACH;AAQO,SAASJ,4BAA4BA,CAE1CD,KAAsB,EACtBe,MAA6E,EACnE;EACV,IAAI,CAACf,KAAK,CAACgB,MAAM,EAAE;IACjB,OAAO,IAAI;EACb;EAEA,IAAIhB,KAAK,CAACgB,MAAM,KAAK,CAAC,EAAE;IACtB,OAAOhB,KAAK,CAAC,CAAC,CAAC;EACjB;EAGA,IAAIiB,QAAQ,GAAGC,QAAQ;EAGvB,IAAIC,eAAe,EAAEC,UAAU;EAG/B,MAAMhB,UAAU,GAAGJ,KAAK,CAACqB,GAAG,CAACpC,IAAI,IAAI;IACnC,MAAMuB,QAAoB,GAAG,EAAE;IAE/B,GAAG;MACDA,QAAQ,CAACc,OAAO,CAACrC,IAAI,CAAC;IACxB,CAAC,QAAQ,CAACA,IAAI,GAAGA,IAAI,CAACC,UAAU,KAAKD,IAAI,KAAK,IAAI;IAGlD,IAAIuB,QAAQ,CAACQ,MAAM,GAAGC,QAAQ,EAAE;MAC9BA,QAAQ,GAAGT,QAAQ,CAACQ,MAAM;IAC5B;IAEA,OAAOR,QAAQ;EACjB,CAAC,CAAC;EAGF,MAAMe,KAAK,GAAGnB,UAAU,CAAC,CAAC,CAAC;EAG3BoB,SAAS,EAAE,KAAK,IAAIrB,CAAC,GAAG,CAAC,EAAEA,CAAC,GAAGc,QAAQ,EAAEd,CAAC,EAAE,EAAE;IAC5C,MAAMsB,WAAW,GAAGF,KAAK,CAACpB,CAAC,CAAC;IAE5B,KAAK,MAAMK,QAAQ,IAAIJ,UAAU,EAAE;MACjC,IAAII,QAAQ,CAACL,CAAC,CAAC,KAAKsB,WAAW,EAAE;QAE/B,MAAMD,SAAS;MACjB;IACF;IAGAL,eAAe,GAAGhB,CAAC;IACnBiB,UAAU,GAAGK,WAAW;EAC1B;EAEA,IAAIL,UAAU,EAAE;IACd,IAAIL,MAAM,EAAE;MACV,OAAOA,MAAM,CAACK,UAAU,EAAED,eAAe,EAAEf,UAAU,CAAC;IACxD,CAAC,MAAM;MACL,OAAOgB,UAAU;IACnB;EACF,CAAC,MAAM;IACL,MAAM,IAAItB,KAAK,CAAC,4BAA4B,CAAC;EAC/C;AACF;AAQO,SAAS4B,WAAWA,CAAA,EAAkC;EAC3D,IAAIzC,IAAI,GAAG,IAAI;EACf,MAAMe,KAAK,GAAG,EAAE;EAChB,GAAG;IACDA,KAAK,CAAC2B,IAAI,CAAC1C,IAAI,CAAC;EAClB,CAAC,QAASA,IAAI,GAAGA,IAAI,CAACC,UAAU;EAChC,OAAOc,KAAK;AACd;AAKO,SAAS4B,UAAUA,CAAiBC,eAAyB,EAAW;EAC7E,OAAOA,eAAe,CAACC,YAAY,CAAC,IAAI,CAAC;AAC3C;AAKO,SAASA,YAAYA,CAAiBC,aAAuB,EAAW;EAC7E,OAAO,CAAC,CAAC,IAAI,CAAChD,UAAU,CAACiD,MAAM,IAAIA,MAAM,KAAKD,aAAa,CAAC;AAC9D;AAEO,SAASE,MAAMA,CAAiB,GAAGC,cAAwB,EAAW;EAC3E,IAAIjD,IAAI,GAAG,IAAI;EACf,OAAOA,IAAI,EAAE;IACX,KAAK,MAAMsB,IAAI,IAAI2B,cAAc,EAAE;MACjC,IAAIjD,IAAI,CAACkD,IAAI,CAAC5B,IAAI,KAAKA,IAAI,EAAE,OAAO,IAAI;IAC1C;IACAtB,IAAI,GAAGA,IAAI,CAACC,UAAU;EACxB;EAEA,OAAO,KAAK;AACd"}