mirror of https://github.com/jkjoy/sunpeiwen.git
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8.4 KiB
Plaintext
1 line
8.4 KiB
Plaintext
{"version":3,"names":["_path","require","_t","VISITOR_KEYS","TraversalContext","constructor","scope","opts","state","parentPath","queue","priorityQueue","shouldVisit","node","enter","exit","type","keys","length","key","create","container","listKey","NodePath","get","parent","maybeQueue","path","notPriority","push","visitMultiple","visitQueue","visitSingle","visited","WeakSet","stop","resync","contexts","pushContext","has","add","visit","popContext","nodes","Array","isArray","exports","default"],"sources":["../src/context.ts"],"sourcesContent":["import NodePath from \"./path\";\nimport { VISITOR_KEYS } from \"@babel/types\";\nimport type Scope from \"./scope\";\nimport type { TraverseOptions } from \".\";\nimport type * as t from \"@babel/types\";\nimport type { Visitor } from \"./types\";\n\nexport default class TraversalContext<S = unknown> {\n constructor(\n scope: Scope,\n opts: TraverseOptions,\n state: S,\n parentPath: NodePath,\n ) {\n this.parentPath = parentPath;\n this.scope = scope;\n this.state = state;\n this.opts = opts;\n }\n\n declare parentPath: NodePath;\n declare scope: Scope;\n declare state: S;\n declare opts: TraverseOptions;\n queue: Array<NodePath> | null = null;\n priorityQueue: Array<NodePath> | null = null;\n\n /**\n * This method does a simple check to determine whether or not we really need to attempt\n * visit a node. This will prevent us from constructing a NodePath.\n */\n\n shouldVisit(node: t.Node): boolean {\n const opts = this.opts as Visitor;\n if (opts.enter || opts.exit) return true;\n\n // check if we have a visitor for this node\n if (opts[node.type]) return true;\n\n // check if we're going to traverse into this node\n const keys: Array<string> | undefined = VISITOR_KEYS[node.type];\n if (!keys?.length) return false;\n\n // we need to traverse into this node so ensure that it has children to traverse into!\n for (const key of keys) {\n if (\n // @ts-expect-error key is from visitor keys\n node[key]\n ) {\n return true;\n }\n }\n\n return false;\n }\n\n create(\n node: t.Node,\n container: t.Node | t.Node[],\n key: string | number,\n listKey?: string,\n ): NodePath {\n // We don't need to `.setContext()` here, since `.visitQueue()` already\n // calls `.pushContext`.\n return NodePath.get({\n parentPath: this.parentPath,\n parent: node,\n container,\n key: key,\n listKey,\n });\n }\n\n maybeQueue(path: NodePath, notPriority?: boolean) {\n if (this.queue) {\n if (notPriority) {\n this.queue.push(path);\n } else {\n this.priorityQueue.push(path);\n }\n }\n }\n\n visitMultiple(container: t.Node[], parent: t.Node, listKey: string) {\n // nothing to traverse!\n if (container.length === 0) return false;\n\n const queue = [];\n\n // build up initial queue\n for (let key = 0; key < container.length; key++) {\n const node = container[key];\n if (node && this.shouldVisit(node)) {\n queue.push(this.create(parent, container, key, listKey));\n }\n }\n\n return this.visitQueue(queue);\n }\n\n visitSingle(node: t.Node, key: string): boolean {\n if (\n this.shouldVisit(\n // @ts-expect-error key may not index node\n node[key],\n )\n ) {\n return this.visitQueue([this.create(node, node, key)]);\n } else {\n return false;\n }\n }\n\n visitQueue(queue: Array<NodePath>): boolean {\n // set queue\n this.queue = queue;\n this.priorityQueue = [];\n\n const visited = new WeakSet();\n let stop = false;\n\n // visit the queue\n for (const path of queue) {\n path.resync();\n\n if (\n path.contexts.length === 0 ||\n path.contexts[path.contexts.length - 1] !== this\n ) {\n // The context might already have been pushed when this path was inserted and queued.\n // If we always re-pushed here, we could get duplicates and risk leaving contexts\n // on the stack after the traversal has completed, which could break things.\n path.pushContext(this);\n }\n\n // this path no longer belongs to the tree\n if (path.key === null) continue;\n\n // ensure we don't visit the same node twice\n const { node } = path;\n if (visited.has(node)) continue;\n if (node) visited.add(node);\n\n if (path.visit()) {\n stop = true;\n break;\n }\n\n if (this.priorityQueue.length) {\n stop = this.visitQueue(this.priorityQueue);\n this.priorityQueue = [];\n this.queue = queue;\n if (stop) break;\n }\n }\n\n // clear queue\n for (const path of queue) {\n path.popContext();\n }\n\n // clear queue\n this.queue = null;\n\n return stop;\n }\n\n visit(node: t.Node, key: string) {\n // @ts-expect-error key may not index node\n const nodes = node[key] as t.Node | t.Node[] | null;\n if (!nodes) return false;\n\n if (Array.isArray(nodes)) {\n return this.visitMultiple(nodes, node, key);\n } else {\n return this.visitSingle(node, key);\n }\n }\n}\n"],"mappings":";;;;;;AAAA,IAAAA,KAAA,GAAAC,OAAA;AACA,IAAAC,EAAA,GAAAD,OAAA;AAA4C;EAAnCE;AAAY,IAAAD,EAAA;AAMN,MAAME,gBAAgB,CAAc;EACjDC,WAAWA,CACTC,KAAY,EACZC,IAAqB,EACrBC,KAAQ,EACRC,UAAoB,EACpB;IAAA,KAWFC,KAAK,GAA2B,IAAI;IAAA,KACpCC,aAAa,GAA2B,IAAI;IAX1C,IAAI,CAACF,UAAU,GAAGA,UAAU;IAC5B,IAAI,CAACH,KAAK,GAAGA,KAAK;IAClB,IAAI,CAACE,KAAK,GAAGA,KAAK;IAClB,IAAI,CAACD,IAAI,GAAGA,IAAI;EAClB;EAcAK,WAAWA,CAACC,IAAY,EAAW;IACjC,MAAMN,IAAI,GAAG,IAAI,CAACA,IAAe;IACjC,IAAIA,IAAI,CAACO,KAAK,IAAIP,IAAI,CAACQ,IAAI,EAAE,OAAO,IAAI;IAGxC,IAAIR,IAAI,CAACM,IAAI,CAACG,IAAI,CAAC,EAAE,OAAO,IAAI;IAGhC,MAAMC,IAA+B,GAAGd,YAAY,CAACU,IAAI,CAACG,IAAI,CAAC;IAC/D,IAAI,EAACC,IAAI,YAAJA,IAAI,CAAEC,MAAM,GAAE,OAAO,KAAK;IAG/B,KAAK,MAAMC,GAAG,IAAIF,IAAI,EAAE;MACtB,IAEEJ,IAAI,CAACM,GAAG,CAAC,EACT;QACA,OAAO,IAAI;MACb;IACF;IAEA,OAAO,KAAK;EACd;EAEAC,MAAMA,CACJP,IAAY,EACZQ,SAA4B,EAC5BF,GAAoB,EACpBG,OAAgB,EACN;IAGV,OAAOC,aAAQ,CAACC,GAAG,CAAC;MAClBf,UAAU,EAAE,IAAI,CAACA,UAAU;MAC3BgB,MAAM,EAAEZ,IAAI;MACZQ,SAAS;MACTF,GAAG,EAAEA,GAAG;MACRG;IACF,CAAC,CAAC;EACJ;EAEAI,UAAUA,CAACC,IAAc,EAAEC,WAAqB,EAAE;IAChD,IAAI,IAAI,CAAClB,KAAK,EAAE;MACd,IAAIkB,WAAW,EAAE;QACf,IAAI,CAAClB,KAAK,CAACmB,IAAI,CAACF,IAAI,CAAC;MACvB,CAAC,MAAM;QACL,IAAI,CAAChB,aAAa,CAACkB,IAAI,CAACF,IAAI,CAAC;MAC/B;IACF;EACF;EAEAG,aAAaA,CAACT,SAAmB,EAAEI,MAAc,EAAEH,OAAe,EAAE;IAElE,IAAID,SAAS,CAACH,MAAM,KAAK,CAAC,EAAE,OAAO,KAAK;IAExC,MAAMR,KAAK,GAAG,EAAE;IAGhB,KAAK,IAAIS,GAAG,GAAG,CAAC,EAAEA,GAAG,GAAGE,SAAS,CAACH,MAAM,EAAEC,GAAG,EAAE,EAAE;MAC/C,MAAMN,IAAI,GAAGQ,SAAS,CAACF,GAAG,CAAC;MAC3B,IAAIN,IAAI,IAAI,IAAI,CAACD,WAAW,CAACC,IAAI,CAAC,EAAE;QAClCH,KAAK,CAACmB,IAAI,CAAC,IAAI,CAACT,MAAM,CAACK,MAAM,EAAEJ,SAAS,EAAEF,GAAG,EAAEG,OAAO,CAAC,CAAC;MAC1D;IACF;IAEA,OAAO,IAAI,CAACS,UAAU,CAACrB,KAAK,CAAC;EAC/B;EAEAsB,WAAWA,CAACnB,IAAY,EAAEM,GAAW,EAAW;IAC9C,IACE,IAAI,CAACP,WAAW,CAEdC,IAAI,CAACM,GAAG,CAAC,CACV,EACD;MACA,OAAO,IAAI,CAACY,UAAU,CAAC,CAAC,IAAI,CAACX,MAAM,CAACP,IAAI,EAAEA,IAAI,EAAEM,GAAG,CAAC,CAAC,CAAC;IACxD,CAAC,MAAM;MACL,OAAO,KAAK;IACd;EACF;EAEAY,UAAUA,CAACrB,KAAsB,EAAW;IAE1C,IAAI,CAACA,KAAK,GAAGA,KAAK;IAClB,IAAI,CAACC,aAAa,GAAG,EAAE;IAEvB,MAAMsB,OAAO,GAAG,IAAIC,OAAO,EAAE;IAC7B,IAAIC,IAAI,GAAG,KAAK;IAGhB,KAAK,MAAMR,IAAI,IAAIjB,KAAK,EAAE;MACxBiB,IAAI,CAACS,MAAM,EAAE;MAEb,IACET,IAAI,CAACU,QAAQ,CAACnB,MAAM,KAAK,CAAC,IAC1BS,IAAI,CAACU,QAAQ,CAACV,IAAI,CAACU,QAAQ,CAACnB,MAAM,GAAG,CAAC,CAAC,KAAK,IAAI,EAChD;QAIAS,IAAI,CAACW,WAAW,CAAC,IAAI,CAAC;MACxB;MAGA,IAAIX,IAAI,CAACR,GAAG,KAAK,IAAI,EAAE;MAGvB,MAAM;QAAEN;MAAK,CAAC,GAAGc,IAAI;MACrB,IAAIM,OAAO,CAACM,GAAG,CAAC1B,IAAI,CAAC,EAAE;MACvB,IAAIA,IAAI,EAAEoB,OAAO,CAACO,GAAG,CAAC3B,IAAI,CAAC;MAE3B,IAAIc,IAAI,CAACc,KAAK,EAAE,EAAE;QAChBN,IAAI,GAAG,IAAI;QACX;MACF;MAEA,IAAI,IAAI,CAACxB,aAAa,CAACO,MAAM,EAAE;QAC7BiB,IAAI,GAAG,IAAI,CAACJ,UAAU,CAAC,IAAI,CAACpB,aAAa,CAAC;QAC1C,IAAI,CAACA,aAAa,GAAG,EAAE;QACvB,IAAI,CAACD,KAAK,GAAGA,KAAK;QAClB,IAAIyB,IAAI,EAAE;MACZ;IACF;IAGA,KAAK,MAAMR,IAAI,IAAIjB,KAAK,EAAE;MACxBiB,IAAI,CAACe,UAAU,EAAE;IACnB;IAGA,IAAI,CAAChC,KAAK,GAAG,IAAI;IAEjB,OAAOyB,IAAI;EACb;EAEAM,KAAKA,CAAC5B,IAAY,EAAEM,GAAW,EAAE;IAE/B,MAAMwB,KAAK,GAAG9B,IAAI,CAACM,GAAG,CAA6B;IACnD,IAAI,CAACwB,KAAK,EAAE,OAAO,KAAK;IAExB,IAAIC,KAAK,CAACC,OAAO,CAACF,KAAK,CAAC,EAAE;MACxB,OAAO,IAAI,CAACb,aAAa,CAACa,KAAK,EAAE9B,IAAI,EAAEM,GAAG,CAAC;IAC7C,CAAC,MAAM;MACL,OAAO,IAAI,CAACa,WAAW,CAACnB,IAAI,EAAEM,GAAG,CAAC;IACpC;EACF;AACF;AAAC2B,OAAA,CAAAC,OAAA,GAAA3C,gBAAA"} |