mirror of https://github.com/jkjoy/sunpeiwen.git
1 line
13 KiB
Plaintext
1 line
13 KiB
Plaintext
{"version":3,"names":["declare","api","options","assertVersion","iterableIsArray","assumption","loose","arrayLikeIsIterable","allowArrayLike","getSpreadLiteral","spread","scope","t","isIdentifier","argument","name","toArray","hasHole","elements","some","el","hasSpread","nodes","i","length","isSpreadElement","push","_props","arrayExpression","build","props","file","prop","spreadLiteral","isArrayExpression","callExpression","addHelper","visitor","ArrayExpression","path","node","first","replaceWith","shift","memberExpression","identifier","CallExpression","args","arguments","calleePath","skipTransparentExprWrappers","get","isSuper","buildCodeFrameError","contextLiteral","buildUndefinedNode","callee","isMemberExpression","temp","maybeGenerateMemoised","object","assignmentExpression","cloneNode","thisExpression","unshift","NewExpression","hub"],"sources":["../src/index.ts"],"sourcesContent":["import { declare } from \"@babel/helper-plugin-utils\";\nimport { skipTransparentExprWrappers } from \"@babel/helper-skip-transparent-expression-wrappers\";\nimport type { File } from \"@babel/core\";\nimport { types as t } from \"@babel/core\";\nimport type { NodePath, Scope } from \"@babel/traverse\";\n\ntype ListElement = t.SpreadElement | t.Expression;\n\nexport interface Options {\n allowArrayLike?: boolean;\n loose?: boolean;\n}\n\nexport default declare((api, options: Options) => {\n api.assertVersion(7);\n\n const iterableIsArray = api.assumption(\"iterableIsArray\") ?? options.loose;\n const arrayLikeIsIterable =\n options.allowArrayLike ?? api.assumption(\"arrayLikeIsIterable\");\n\n function getSpreadLiteral(\n spread: t.SpreadElement,\n scope: Scope,\n ): t.Expression {\n if (\n iterableIsArray &&\n !t.isIdentifier(spread.argument, { name: \"arguments\" })\n ) {\n return spread.argument;\n } else {\n return scope.toArray(spread.argument, true, arrayLikeIsIterable);\n }\n }\n\n function hasHole(spread: t.ArrayExpression): boolean {\n return spread.elements.some(el => el === null);\n }\n\n function hasSpread(nodes: Array<t.Node>): boolean {\n for (let i = 0; i < nodes.length; i++) {\n if (t.isSpreadElement(nodes[i])) {\n return true;\n }\n }\n return false;\n }\n\n function push(_props: Array<ListElement>, nodes: Array<t.Expression>) {\n if (!_props.length) return _props;\n nodes.push(t.arrayExpression(_props));\n return [];\n }\n\n function build(\n props: Array<ListElement>,\n scope: Scope,\n file: File,\n ): t.Expression[] {\n const nodes: Array<t.Expression> = [];\n let _props: Array<ListElement> = [];\n\n for (const prop of props) {\n if (t.isSpreadElement(prop)) {\n _props = push(_props, nodes);\n let spreadLiteral = getSpreadLiteral(prop, scope);\n\n if (t.isArrayExpression(spreadLiteral) && hasHole(spreadLiteral)) {\n spreadLiteral = t.callExpression(\n file.addHelper(\n process.env.BABEL_8_BREAKING\n ? \"arrayLikeToArray\"\n : \"arrayWithoutHoles\",\n ),\n [spreadLiteral],\n );\n }\n\n nodes.push(spreadLiteral);\n } else {\n _props.push(prop);\n }\n }\n\n push(_props, nodes);\n\n return nodes;\n }\n\n return {\n name: \"transform-spread\",\n\n visitor: {\n ArrayExpression(path): void {\n const { node, scope } = path;\n const elements = node.elements;\n if (!hasSpread(elements)) return;\n\n const nodes = build(elements, scope, this.file);\n let first = nodes[0];\n\n // If there is only one element in the ArrayExpression and\n // the element was transformed (Array.prototype.slice.call or toConsumableArray)\n // we know that the transformed code already takes care of cloning the array.\n // So we can simply return that element.\n if (\n nodes.length === 1 &&\n first !== (elements[0] as t.SpreadElement).argument\n ) {\n path.replaceWith(first);\n return;\n }\n\n // If the first element is a ArrayExpression we can directly call\n // concat on it.\n // `[..].concat(..)`\n // If not then we have to use `[].concat(arr)` and not `arr.concat`\n // because `arr` could be extended/modified (e.g. Immutable) and we do not know exactly\n // what concat would produce.\n if (!t.isArrayExpression(first)) {\n first = t.arrayExpression([]);\n } else {\n nodes.shift();\n }\n\n path.replaceWith(\n t.callExpression(\n t.memberExpression(first, t.identifier(\"concat\")),\n nodes,\n ),\n );\n },\n CallExpression(path): void {\n const { node, scope } = path;\n\n const args = node.arguments as Array<ListElement>;\n if (!hasSpread(args)) return;\n const calleePath = skipTransparentExprWrappers(\n path.get(\"callee\") as NodePath<t.Expression>,\n );\n if (calleePath.isSuper()) {\n // NOTE: spread and classes have almost the same compat data, so this is very unlikely to happen in practice.\n throw path.buildCodeFrameError(\n \"It's not possible to compile spread arguments in `super()` without compiling classes.\\n\" +\n \"Please add '@babel/plugin-transform-classes' to your Babel configuration.\",\n );\n }\n let contextLiteral: t.Expression | t.Super = scope.buildUndefinedNode();\n node.arguments = [];\n\n let nodes: t.Expression[];\n if (\n args.length === 1 &&\n t.isIdentifier((args[0] as t.SpreadElement).argument, {\n name: \"arguments\",\n })\n ) {\n nodes = [(args[0] as t.SpreadElement).argument];\n } else {\n nodes = build(args, scope, this.file);\n }\n\n const first = nodes.shift();\n if (nodes.length) {\n node.arguments.push(\n t.callExpression(\n t.memberExpression(first, t.identifier(\"concat\")),\n nodes,\n ),\n );\n } else {\n node.arguments.push(first);\n }\n\n const callee = calleePath.node as t.MemberExpression;\n\n if (t.isMemberExpression(callee)) {\n const temp = scope.maybeGenerateMemoised(callee.object);\n if (temp) {\n callee.object = t.assignmentExpression(\n \"=\",\n temp,\n // object must not be Super when `temp` is an identifier\n // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion\n callee.object as t.Expression,\n );\n contextLiteral = temp;\n } else {\n contextLiteral = t.cloneNode(callee.object);\n }\n }\n\n // We use the original callee here, to preserve any types/parentheses\n node.callee = t.memberExpression(\n node.callee as t.Expression,\n t.identifier(\"apply\"),\n );\n if (t.isSuper(contextLiteral)) {\n contextLiteral = t.thisExpression();\n }\n\n node.arguments.unshift(t.cloneNode(contextLiteral));\n },\n\n NewExpression(path): void {\n const { node, scope } = path;\n if (!hasSpread(node.arguments)) return;\n\n const nodes = build(\n node.arguments as Array<ListElement>,\n scope,\n this.file,\n );\n\n const first = nodes.shift();\n\n let args: t.Expression;\n if (nodes.length) {\n args = t.callExpression(\n t.memberExpression(first, t.identifier(\"concat\")),\n nodes,\n );\n } else {\n args = first;\n }\n\n path.replaceWith(\n t.callExpression(path.hub.addHelper(\"construct\"), [\n node.callee as t.Expression,\n args,\n ]),\n );\n },\n },\n };\n});\n"],"mappings":";;;;;;AAAA;AACA;AAEA;AAAyC,eAU1B,IAAAA,0BAAO,EAAC,CAACC,GAAG,EAAEC,OAAgB,KAAK;EAAA;EAChDD,GAAG,CAACE,aAAa,CAAC,CAAC,CAAC;EAEpB,MAAMC,eAAe,sBAAGH,GAAG,CAACI,UAAU,CAAC,iBAAiB,CAAC,8BAAIH,OAAO,CAACI,KAAK;EAC1E,MAAMC,mBAAmB,4BACvBL,OAAO,CAACM,cAAc,oCAAIP,GAAG,CAACI,UAAU,CAAC,qBAAqB,CAAC;EAEjE,SAASI,gBAAgB,CACvBC,MAAuB,EACvBC,KAAY,EACE;IACd,IACEP,eAAe,IACf,CAACQ,WAAC,CAACC,YAAY,CAACH,MAAM,CAACI,QAAQ,EAAE;MAAEC,IAAI,EAAE;IAAY,CAAC,CAAC,EACvD;MACA,OAAOL,MAAM,CAACI,QAAQ;IACxB,CAAC,MAAM;MACL,OAAOH,KAAK,CAACK,OAAO,CAACN,MAAM,CAACI,QAAQ,EAAE,IAAI,EAAEP,mBAAmB,CAAC;IAClE;EACF;EAEA,SAASU,OAAO,CAACP,MAAyB,EAAW;IACnD,OAAOA,MAAM,CAACQ,QAAQ,CAACC,IAAI,CAACC,EAAE,IAAIA,EAAE,KAAK,IAAI,CAAC;EAChD;EAEA,SAASC,SAAS,CAACC,KAAoB,EAAW;IAChD,KAAK,IAAIC,CAAC,GAAG,CAAC,EAAEA,CAAC,GAAGD,KAAK,CAACE,MAAM,EAAED,CAAC,EAAE,EAAE;MACrC,IAAIX,WAAC,CAACa,eAAe,CAACH,KAAK,CAACC,CAAC,CAAC,CAAC,EAAE;QAC/B,OAAO,IAAI;MACb;IACF;IACA,OAAO,KAAK;EACd;EAEA,SAASG,IAAI,CAACC,MAA0B,EAAEL,KAA0B,EAAE;IACpE,IAAI,CAACK,MAAM,CAACH,MAAM,EAAE,OAAOG,MAAM;IACjCL,KAAK,CAACI,IAAI,CAACd,WAAC,CAACgB,eAAe,CAACD,MAAM,CAAC,CAAC;IACrC,OAAO,EAAE;EACX;EAEA,SAASE,KAAK,CACZC,KAAyB,EACzBnB,KAAY,EACZoB,IAAU,EACM;IAChB,MAAMT,KAA0B,GAAG,EAAE;IACrC,IAAIK,MAA0B,GAAG,EAAE;IAEnC,KAAK,MAAMK,IAAI,IAAIF,KAAK,EAAE;MACxB,IAAIlB,WAAC,CAACa,eAAe,CAACO,IAAI,CAAC,EAAE;QAC3BL,MAAM,GAAGD,IAAI,CAACC,MAAM,EAAEL,KAAK,CAAC;QAC5B,IAAIW,aAAa,GAAGxB,gBAAgB,CAACuB,IAAI,EAAErB,KAAK,CAAC;QAEjD,IAAIC,WAAC,CAACsB,iBAAiB,CAACD,aAAa,CAAC,IAAIhB,OAAO,CAACgB,aAAa,CAAC,EAAE;UAChEA,aAAa,GAAGrB,WAAC,CAACuB,cAAc,CAC9BJ,IAAI,CAACK,SAAS,CAGR,mBAAmB,CACxB,EACD,CAACH,aAAa,CAAC,CAChB;QACH;QAEAX,KAAK,CAACI,IAAI,CAACO,aAAa,CAAC;MAC3B,CAAC,MAAM;QACLN,MAAM,CAACD,IAAI,CAACM,IAAI,CAAC;MACnB;IACF;IAEAN,IAAI,CAACC,MAAM,EAAEL,KAAK,CAAC;IAEnB,OAAOA,KAAK;EACd;EAEA,OAAO;IACLP,IAAI,EAAE,kBAAkB;IAExBsB,OAAO,EAAE;MACPC,eAAe,CAACC,IAAI,EAAQ;QAC1B,MAAM;UAAEC,IAAI;UAAE7B;QAAM,CAAC,GAAG4B,IAAI;QAC5B,MAAMrB,QAAQ,GAAGsB,IAAI,CAACtB,QAAQ;QAC9B,IAAI,CAACG,SAAS,CAACH,QAAQ,CAAC,EAAE;QAE1B,MAAMI,KAAK,GAAGO,KAAK,CAACX,QAAQ,EAAEP,KAAK,EAAE,IAAI,CAACoB,IAAI,CAAC;QAC/C,IAAIU,KAAK,GAAGnB,KAAK,CAAC,CAAC,CAAC;;QAMpB,IACEA,KAAK,CAACE,MAAM,KAAK,CAAC,IAClBiB,KAAK,KAAMvB,QAAQ,CAAC,CAAC,CAAC,CAAqBJ,QAAQ,EACnD;UACAyB,IAAI,CAACG,WAAW,CAACD,KAAK,CAAC;UACvB;QACF;;QAQA,IAAI,CAAC7B,WAAC,CAACsB,iBAAiB,CAACO,KAAK,CAAC,EAAE;UAC/BA,KAAK,GAAG7B,WAAC,CAACgB,eAAe,CAAC,EAAE,CAAC;QAC/B,CAAC,MAAM;UACLN,KAAK,CAACqB,KAAK,EAAE;QACf;QAEAJ,IAAI,CAACG,WAAW,CACd9B,WAAC,CAACuB,cAAc,CACdvB,WAAC,CAACgC,gBAAgB,CAACH,KAAK,EAAE7B,WAAC,CAACiC,UAAU,CAAC,QAAQ,CAAC,CAAC,EACjDvB,KAAK,CACN,CACF;MACH,CAAC;MACDwB,cAAc,CAACP,IAAI,EAAQ;QACzB,MAAM;UAAEC,IAAI;UAAE7B;QAAM,CAAC,GAAG4B,IAAI;QAE5B,MAAMQ,IAAI,GAAGP,IAAI,CAACQ,SAA+B;QACjD,IAAI,CAAC3B,SAAS,CAAC0B,IAAI,CAAC,EAAE;QACtB,MAAME,UAAU,GAAG,IAAAC,oEAA2B,EAC5CX,IAAI,CAACY,GAAG,CAAC,QAAQ,CAAC,CACnB;QACD,IAAIF,UAAU,CAACG,OAAO,EAAE,EAAE;UAExB,MAAMb,IAAI,CAACc,mBAAmB,CAC5B,yFAAyF,GACvF,2EAA2E,CAC9E;QACH;QACA,IAAIC,cAAsC,GAAG3C,KAAK,CAAC4C,kBAAkB,EAAE;QACvEf,IAAI,CAACQ,SAAS,GAAG,EAAE;QAEnB,IAAI1B,KAAqB;QACzB,IACEyB,IAAI,CAACvB,MAAM,KAAK,CAAC,IACjBZ,WAAC,CAACC,YAAY,CAAEkC,IAAI,CAAC,CAAC,CAAC,CAAqBjC,QAAQ,EAAE;UACpDC,IAAI,EAAE;QACR,CAAC,CAAC,EACF;UACAO,KAAK,GAAG,CAAEyB,IAAI,CAAC,CAAC,CAAC,CAAqBjC,QAAQ,CAAC;QACjD,CAAC,MAAM;UACLQ,KAAK,GAAGO,KAAK,CAACkB,IAAI,EAAEpC,KAAK,EAAE,IAAI,CAACoB,IAAI,CAAC;QACvC;QAEA,MAAMU,KAAK,GAAGnB,KAAK,CAACqB,KAAK,EAAE;QAC3B,IAAIrB,KAAK,CAACE,MAAM,EAAE;UAChBgB,IAAI,CAACQ,SAAS,CAACtB,IAAI,CACjBd,WAAC,CAACuB,cAAc,CACdvB,WAAC,CAACgC,gBAAgB,CAACH,KAAK,EAAE7B,WAAC,CAACiC,UAAU,CAAC,QAAQ,CAAC,CAAC,EACjDvB,KAAK,CACN,CACF;QACH,CAAC,MAAM;UACLkB,IAAI,CAACQ,SAAS,CAACtB,IAAI,CAACe,KAAK,CAAC;QAC5B;QAEA,MAAMe,MAAM,GAAGP,UAAU,CAACT,IAA0B;QAEpD,IAAI5B,WAAC,CAAC6C,kBAAkB,CAACD,MAAM,CAAC,EAAE;UAChC,MAAME,IAAI,GAAG/C,KAAK,CAACgD,qBAAqB,CAACH,MAAM,CAACI,MAAM,CAAC;UACvD,IAAIF,IAAI,EAAE;YACRF,MAAM,CAACI,MAAM,GAAGhD,WAAC,CAACiD,oBAAoB,CACpC,GAAG,EACHH,IAAI;YAGJF,MAAM,CAACI,MAAM,CACd;YACDN,cAAc,GAAGI,IAAI;UACvB,CAAC,MAAM;YACLJ,cAAc,GAAG1C,WAAC,CAACkD,SAAS,CAACN,MAAM,CAACI,MAAM,CAAC;UAC7C;QACF;;QAGApB,IAAI,CAACgB,MAAM,GAAG5C,WAAC,CAACgC,gBAAgB,CAC9BJ,IAAI,CAACgB,MAAM,EACX5C,WAAC,CAACiC,UAAU,CAAC,OAAO,CAAC,CACtB;QACD,IAAIjC,WAAC,CAACwC,OAAO,CAACE,cAAc,CAAC,EAAE;UAC7BA,cAAc,GAAG1C,WAAC,CAACmD,cAAc,EAAE;QACrC;QAEAvB,IAAI,CAACQ,SAAS,CAACgB,OAAO,CAACpD,WAAC,CAACkD,SAAS,CAACR,cAAc,CAAC,CAAC;MACrD,CAAC;MAEDW,aAAa,CAAC1B,IAAI,EAAQ;QACxB,MAAM;UAAEC,IAAI;UAAE7B;QAAM,CAAC,GAAG4B,IAAI;QAC5B,IAAI,CAAClB,SAAS,CAACmB,IAAI,CAACQ,SAAS,CAAC,EAAE;QAEhC,MAAM1B,KAAK,GAAGO,KAAK,CACjBW,IAAI,CAACQ,SAAS,EACdrC,KAAK,EACL,IAAI,CAACoB,IAAI,CACV;QAED,MAAMU,KAAK,GAAGnB,KAAK,CAACqB,KAAK,EAAE;QAE3B,IAAII,IAAkB;QACtB,IAAIzB,KAAK,CAACE,MAAM,EAAE;UAChBuB,IAAI,GAAGnC,WAAC,CAACuB,cAAc,CACrBvB,WAAC,CAACgC,gBAAgB,CAACH,KAAK,EAAE7B,WAAC,CAACiC,UAAU,CAAC,QAAQ,CAAC,CAAC,EACjDvB,KAAK,CACN;QACH,CAAC,MAAM;UACLyB,IAAI,GAAGN,KAAK;QACd;QAEAF,IAAI,CAACG,WAAW,CACd9B,WAAC,CAACuB,cAAc,CAACI,IAAI,CAAC2B,GAAG,CAAC9B,SAAS,CAAC,WAAW,CAAC,EAAE,CAChDI,IAAI,CAACgB,MAAM,EACXT,IAAI,CACL,CAAC,CACH;MACH;IACF;EACF,CAAC;AACH,CAAC,CAAC;AAAA"} |