github-pages-deploy-action/node_modules/eslint-plugin-import/lib/rules/group-exports.js
2020-03-06 22:45:40 -05:00

133 lines
12 KiB
JavaScript

'use strict';
var _docsUrl = require('../docsUrl');
var _docsUrl2 = _interopRequireDefault(_docsUrl);
var _object = require('object.values');
var _object2 = _interopRequireDefault(_object);
var _arrayPrototype = require('array.prototype.flat');
var _arrayPrototype2 = _interopRequireDefault(_arrayPrototype);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const meta = {
type: 'suggestion',
docs: {
url: (0, _docsUrl2.default)('group-exports')
}
/* eslint-disable max-len */
};const errors = {
ExportNamedDeclaration: 'Multiple named export declarations; consolidate all named exports into a single export declaration',
AssignmentExpression: 'Multiple CommonJS exports; consolidate all exports into a single assignment to `module.exports`'
/* eslint-enable max-len */
/**
* Returns an array with names of the properties in the accessor chain for MemberExpression nodes
*
* Example:
*
* `module.exports = {}` => ['module', 'exports']
* `module.exports.property = true` => ['module', 'exports', 'property']
*
* @param {Node} node AST Node (MemberExpression)
* @return {Array} Array with the property names in the chain
* @private
*/
};function accessorChain(node) {
const chain = [];
do {
chain.unshift(node.property.name);
if (node.object.type === 'Identifier') {
chain.unshift(node.object.name);
break;
}
node = node.object;
} while (node.type === 'MemberExpression');
return chain;
}
function create(context) {
const nodes = {
modules: new Set(),
commonjs: new Set(),
sources: {}
};
return {
ExportNamedDeclaration(node) {
if (!node.source) {
nodes.modules.add(node);
} else if (Array.isArray(nodes.sources[node.source.value])) {
nodes.sources[node.source.value].push(node);
} else {
nodes.sources[node.source.value] = [node];
}
},
AssignmentExpression(node) {
if (node.left.type !== 'MemberExpression') {
return;
}
const chain = accessorChain(node.left);
// Assignments to module.exports
// Deeper assignments are ignored since they just modify what's already being exported
// (ie. module.exports.exported.prop = true is ignored)
if (chain[0] === 'module' && chain[1] === 'exports' && chain.length <= 3) {
nodes.commonjs.add(node);
return;
}
// Assignments to exports (exports.* = *)
if (chain[0] === 'exports' && chain.length === 2) {
nodes.commonjs.add(node);
return;
}
},
'Program:exit': function onExit() {
// Report multiple `export` declarations (ES2015 modules)
if (nodes.modules.size > 1) {
nodes.modules.forEach(node => {
context.report({
node,
message: errors[node.type]
});
});
}
// Report multiple `aggregated exports` from the same module (ES2015 modules)
(0, _arrayPrototype2.default)((0, _object2.default)(nodes.sources).filter(nodesWithSource => Array.isArray(nodesWithSource) && nodesWithSource.length > 1)).forEach(node => {
context.report({
node,
message: errors[node.type]
});
});
// Report multiple `module.exports` assignments (CommonJS)
if (nodes.commonjs.size > 1) {
nodes.commonjs.forEach(node => {
context.report({
node,
message: errors[node.type]
});
});
}
}
};
}
module.exports = {
meta,
create
};
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../src/rules/group-exports.js"],"names":["meta","type","docs","url","errors","ExportNamedDeclaration","AssignmentExpression","accessorChain","node","chain","unshift","property","name","object","create","context","nodes","modules","Set","commonjs","sources","source","add","Array","isArray","value","push","left","length","onExit","size","forEach","report","message","filter","nodesWithSource","module","exports"],"mappings":";;AAAA;;;;AACA;;;;AACA;;;;;;AAEA,MAAMA,OAAO;AACXC,QAAM,YADK;AAEXC,QAAM;AACJC,SAAK,uBAAQ,eAAR;AADD;AAIR;AANa,CAAb,CAOA,MAAMC,SAAS;AACbC,0BAAwB,oGADX;AAEbC,wBAAsB;AAExB;;AAEA;;;;;;;;;;;;AANe,CAAf,CAkBA,SAASC,aAAT,CAAuBC,IAAvB,EAA6B;AAC3B,QAAMC,QAAQ,EAAd;;AAEA,KAAG;AACDA,UAAMC,OAAN,CAAcF,KAAKG,QAAL,CAAcC,IAA5B;;AAEA,QAAIJ,KAAKK,MAAL,CAAYZ,IAAZ,KAAqB,YAAzB,EAAuC;AACrCQ,YAAMC,OAAN,CAAcF,KAAKK,MAAL,CAAYD,IAA1B;AACA;AACD;;AAEDJ,WAAOA,KAAKK,MAAZ;AACD,GATD,QASSL,KAAKP,IAAL,KAAc,kBATvB;;AAWA,SAAOQ,KAAP;AACD;;AAED,SAASK,MAAT,CAAgBC,OAAhB,EAAyB;AACvB,QAAMC,QAAQ;AACZC,aAAS,IAAIC,GAAJ,EADG;AAEZC,cAAU,IAAID,GAAJ,EAFE;AAGZE,aAAS;AAHG,GAAd;;AAMA,SAAO;AACLf,2BAAuBG,IAAvB,EAA6B;AAC3B,UAAI,CAACA,KAAKa,MAAV,EAAkB;AAChBL,cAAMC,OAAN,CAAcK,GAAd,CAAkBd,IAAlB;AACD,OAFD,MAEO,IAAIe,MAAMC,OAAN,CAAcR,MAAMI,OAAN,CAAcZ,KAAKa,MAAL,CAAYI,KAA1B,CAAd,CAAJ,EAAqD;AAC1DT,cAAMI,OAAN,CAAcZ,KAAKa,MAAL,CAAYI,KAA1B,EAAiCC,IAAjC,CAAsClB,IAAtC;AACD,OAFM,MAEA;AACLQ,cAAMI,OAAN,CAAcZ,KAAKa,MAAL,CAAYI,KAA1B,IAAmC,CAACjB,IAAD,CAAnC;AACD;AACF,KATI;;AAWLF,yBAAqBE,IAArB,EAA2B;AACzB,UAAIA,KAAKmB,IAAL,CAAU1B,IAAV,KAAmB,kBAAvB,EAA2C;AACzC;AACD;;AAED,YAAMQ,QAAQF,cAAcC,KAAKmB,IAAnB,CAAd;;AAEA;AACA;AACA;AACA,UAAIlB,MAAM,CAAN,MAAa,QAAb,IAAyBA,MAAM,CAAN,MAAa,SAAtC,IAAmDA,MAAMmB,MAAN,IAAgB,CAAvE,EAA0E;AACxEZ,cAAMG,QAAN,CAAeG,GAAf,CAAmBd,IAAnB;AACA;AACD;;AAED;AACA,UAAIC,MAAM,CAAN,MAAa,SAAb,IAA0BA,MAAMmB,MAAN,KAAiB,CAA/C,EAAkD;AAChDZ,cAAMG,QAAN,CAAeG,GAAf,CAAmBd,IAAnB;AACA;AACD;AACF,KA/BI;;AAiCL,oBAAgB,SAASqB,MAAT,GAAkB;AAChC;AACA,UAAIb,MAAMC,OAAN,CAAca,IAAd,GAAqB,CAAzB,EAA4B;AAC1Bd,cAAMC,OAAN,CAAcc,OAAd,CAAsBvB,QAAQ;AAC5BO,kBAAQiB,MAAR,CAAe;AACbxB,gBADa;AAEbyB,qBAAS7B,OAAOI,KAAKP,IAAZ;AAFI,WAAf;AAID,SALD;AAMD;;AAED;AACA,oCAAK,sBAAOe,MAAMI,OAAb,EACFc,MADE,CACKC,mBAAmBZ,MAAMC,OAAN,CAAcW,eAAd,KAAkCA,gBAAgBP,MAAhB,GAAyB,CADnF,CAAL,EAEGG,OAFH,CAEYvB,IAAD,IAAU;AACjBO,gBAAQiB,MAAR,CAAe;AACbxB,cADa;AAEbyB,mBAAS7B,OAAOI,KAAKP,IAAZ;AAFI,SAAf;AAID,OAPH;;AASA;AACA,UAAIe,MAAMG,QAAN,CAAeW,IAAf,GAAsB,CAA1B,EAA6B;AAC3Bd,cAAMG,QAAN,CAAeY,OAAf,CAAuBvB,QAAQ;AAC7BO,kBAAQiB,MAAR,CAAe;AACbxB,gBADa;AAEbyB,qBAAS7B,OAAOI,KAAKP,IAAZ;AAFI,WAAf;AAID,SALD;AAMD;AACF;AA/DI,GAAP;AAiED;;AAEDmC,OAAOC,OAAP,GAAiB;AACfrC,MADe;AAEfc;AAFe,CAAjB","file":"group-exports.js","sourcesContent":["import docsUrl from '../docsUrl'\nimport values from 'object.values'\nimport flat from 'array.prototype.flat'\n\nconst meta = {\n  type: 'suggestion',\n  docs: {\n    url: docsUrl('group-exports'),\n  },\n}\n/* eslint-disable max-len */\nconst errors = {\n  ExportNamedDeclaration: 'Multiple named export declarations; consolidate all named exports into a single export declaration',\n  AssignmentExpression: 'Multiple CommonJS exports; consolidate all exports into a single assignment to `module.exports`',\n}\n/* eslint-enable max-len */\n\n/**\n * Returns an array with names of the properties in the accessor chain for MemberExpression nodes\n *\n * Example:\n *\n * `module.exports = {}` => ['module', 'exports']\n * `module.exports.property = true` => ['module', 'exports', 'property']\n *\n * @param     {Node}    node    AST Node (MemberExpression)\n * @return    {Array}           Array with the property names in the chain\n * @private\n */\nfunction accessorChain(node) {\n  const chain = []\n\n  do {\n    chain.unshift(node.property.name)\n\n    if (node.object.type === 'Identifier') {\n      chain.unshift(node.object.name)\n      break\n    }\n\n    node = node.object\n  } while (node.type === 'MemberExpression')\n\n  return chain\n}\n\nfunction create(context) {\n  const nodes = {\n    modules: new Set(),\n    commonjs: new Set(),\n    sources: {},\n  }\n\n  return {\n    ExportNamedDeclaration(node) {\n      if (!node.source) {\n        nodes.modules.add(node)\n      } else if (Array.isArray(nodes.sources[node.source.value])) {\n        nodes.sources[node.source.value].push(node)\n      } else {\n        nodes.sources[node.source.value] = [node]\n      }\n    },\n\n    AssignmentExpression(node) {\n      if (node.left.type !== 'MemberExpression') {\n        return\n      }\n\n      const chain = accessorChain(node.left)\n\n      // Assignments to module.exports\n      // Deeper assignments are ignored since they just modify what's already being exported\n      // (ie. module.exports.exported.prop = true is ignored)\n      if (chain[0] === 'module' && chain[1] === 'exports' && chain.length <= 3) {\n        nodes.commonjs.add(node)\n        return\n      }\n\n      // Assignments to exports (exports.* = *)\n      if (chain[0] === 'exports' && chain.length === 2) {\n        nodes.commonjs.add(node)\n        return\n      }\n    },\n\n    'Program:exit': function onExit() {\n      // Report multiple `export` declarations (ES2015 modules)\n      if (nodes.modules.size > 1) {\n        nodes.modules.forEach(node => {\n          context.report({\n            node,\n            message: errors[node.type],\n          })\n        })\n      }\n\n      // Report multiple `aggregated exports` from the same module (ES2015 modules)\n      flat(values(nodes.sources)\n        .filter(nodesWithSource => Array.isArray(nodesWithSource) && nodesWithSource.length > 1))\n        .forEach((node) => {\n          context.report({\n            node,\n            message: errors[node.type],\n          })\n        })\n\n      // Report multiple `module.exports` assignments (CommonJS)\n      if (nodes.commonjs.size > 1) {\n        nodes.commonjs.forEach(node => {\n          context.report({\n            node,\n            message: errors[node.type],\n          })\n        })\n      }\n    },\n  }\n}\n\nmodule.exports = {\n  meta,\n  create,\n}\n"]}