no-internal-modules.js 15 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
  1. 'use strict';var _minimatch = require('minimatch');var _minimatch2 = _interopRequireDefault(_minimatch);
  2. var _resolve = require('eslint-module-utils/resolve');var _resolve2 = _interopRequireDefault(_resolve);
  3. var _importType = require('../core/importType');var _importType2 = _interopRequireDefault(_importType);
  4. var _moduleVisitor = require('eslint-module-utils/moduleVisitor');var _moduleVisitor2 = _interopRequireDefault(_moduleVisitor);
  5. var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
  6. module.exports = {
  7. meta: {
  8. type: 'suggestion',
  9. docs: {
  10. url: (0, _docsUrl2.default)('no-internal-modules') },
  11. schema: [
  12. {
  13. oneOf: [
  14. {
  15. type: 'object',
  16. properties: {
  17. allow: {
  18. type: 'array',
  19. items: {
  20. type: 'string' } } },
  21. additionalProperties: false },
  22. {
  23. type: 'object',
  24. properties: {
  25. forbid: {
  26. type: 'array',
  27. items: {
  28. type: 'string' } } },
  29. additionalProperties: false }] }] },
  30. create: function noReachingInside(context) {
  31. const options = context.options[0] || {};
  32. const allowRegexps = (options.allow || []).map(p => _minimatch2.default.makeRe(p));
  33. const forbidRegexps = (options.forbid || []).map(p => _minimatch2.default.makeRe(p));
  34. // minimatch patterns are expected to use / path separators, like import
  35. // statements, so normalize paths to use the same
  36. function normalizeSep(somePath) {
  37. return somePath.split('\\').join('/');
  38. }
  39. function toSteps(somePath) {
  40. return normalizeSep(somePath).
  41. split('/').
  42. reduce((acc, step) => {
  43. if (!step || step === '.') {
  44. return acc;
  45. } else if (step === '..') {
  46. return acc.slice(0, -1);
  47. } else {
  48. return acc.concat(step);
  49. }
  50. }, []);
  51. }
  52. // test if reaching to this destination is allowed
  53. function reachingAllowed(importPath) {
  54. return allowRegexps.some(re => re.test(importPath));
  55. }
  56. // test if reaching to this destination is forbidden
  57. function reachingForbidden(importPath) {
  58. return forbidRegexps.some(re => re.test(importPath));
  59. }
  60. function isAllowViolation(importPath) {
  61. const steps = toSteps(importPath);
  62. const nonScopeSteps = steps.filter(step => step.indexOf('@') !== 0);
  63. if (nonScopeSteps.length <= 1) return false;
  64. // before trying to resolve, see if the raw import (with relative
  65. // segments resolved) matches an allowed pattern
  66. const justSteps = steps.join('/');
  67. if (reachingAllowed(justSteps) || reachingAllowed(`/${justSteps}`)) return false;
  68. // if the import statement doesn't match directly, try to match the
  69. // resolved path if the import is resolvable
  70. const resolved = (0, _resolve2.default)(importPath, context);
  71. if (!resolved || reachingAllowed(normalizeSep(resolved))) return false;
  72. // this import was not allowed by the allowed paths, and reaches
  73. // so it is a violation
  74. return true;
  75. }
  76. function isForbidViolation(importPath) {
  77. const steps = toSteps(importPath);
  78. // before trying to resolve, see if the raw import (with relative
  79. // segments resolved) matches a forbidden pattern
  80. const justSteps = steps.join('/');
  81. if (reachingForbidden(justSteps) || reachingForbidden(`/${justSteps}`)) return true;
  82. // if the import statement doesn't match directly, try to match the
  83. // resolved path if the import is resolvable
  84. const resolved = (0, _resolve2.default)(importPath, context);
  85. if (resolved && reachingForbidden(normalizeSep(resolved))) return true;
  86. // this import was not forbidden by the forbidden paths so it is not a violation
  87. return false;
  88. }
  89. // find a directory that is being reached into, but which shouldn't be
  90. const isReachViolation = options.forbid ? isForbidViolation : isAllowViolation;
  91. function checkImportForReaching(importPath, node) {
  92. const potentialViolationTypes = ['parent', 'index', 'sibling', 'external', 'internal'];
  93. if (potentialViolationTypes.indexOf((0, _importType2.default)(importPath, context)) !== -1 &&
  94. isReachViolation(importPath))
  95. {
  96. context.report({
  97. node,
  98. message: `Reaching to "${importPath}" is not allowed.` });
  99. }
  100. }
  101. return (0, _moduleVisitor2.default)(source => {
  102. checkImportForReaching(source.value, source);
  103. }, { commonjs: true });
  104. } };
  105. //# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../src/rules/no-internal-modules.js"],"names":["module","exports","meta","type","docs","url","schema","oneOf","properties","allow","items","additionalProperties","forbid","create","noReachingInside","context","options","allowRegexps","map","p","minimatch","makeRe","forbidRegexps","normalizeSep","somePath","split","join","toSteps","reduce","acc","step","slice","concat","reachingAllowed","importPath","some","re","test","reachingForbidden","isAllowViolation","steps","nonScopeSteps","filter","indexOf","length","justSteps","resolved","isForbidViolation","isReachViolation","checkImportForReaching","node","potentialViolationTypes","report","message","source","value","commonjs"],"mappings":"aAAA,sC;;AAEA,sD;AACA,gD;AACA,kE;AACA,qC;;AAEAA,OAAOC,OAAP,GAAiB;AACfC,QAAM;AACJC,UAAM,YADF;AAEJC,UAAM;AACJC,WAAK,uBAAQ,qBAAR,CADD,EAFF;;;AAMJC,YAAQ;AACN;AACEC,aAAO;AACL;AACEJ,cAAM,QADR;AAEEK,oBAAY;AACVC,iBAAO;AACLN,kBAAM,OADD;AAELO,mBAAO;AACLP,oBAAM,QADD,EAFF,EADG,EAFd;;;;AAUEQ,8BAAsB,KAVxB,EADK;;AAaL;AACER,cAAM,QADR;AAEEK,oBAAY;AACVI,kBAAQ;AACNT,kBAAM,OADA;AAENO,mBAAO;AACLP,oBAAM,QADD,EAFD,EADE,EAFd;;;;AAUEQ,8BAAsB,KAVxB,EAbK,CADT,EADM,CANJ,EADS;;;;;;;AAuCfE,UAAQ,SAASC,gBAAT,CAA0BC,OAA1B,EAAmC;AACzC,UAAMC,UAAUD,QAAQC,OAAR,CAAgB,CAAhB,KAAsB,EAAtC;AACA,UAAMC,eAAe,CAACD,QAAQP,KAAR,IAAiB,EAAlB,EAAsBS,GAAtB,CAA0BC,KAAKC,oBAAUC,MAAV,CAAiBF,CAAjB,CAA/B,CAArB;AACA,UAAMG,gBAAgB,CAACN,QAAQJ,MAAR,IAAkB,EAAnB,EAAuBM,GAAvB,CAA2BC,KAAKC,oBAAUC,MAAV,CAAiBF,CAAjB,CAAhC,CAAtB;;AAEA;AACA;AACA,aAASI,YAAT,CAAsBC,QAAtB,EAAgC;AAC9B,aAAOA,SAASC,KAAT,CAAe,IAAf,EAAqBC,IAArB,CAA0B,GAA1B,CAAP;AACD;;AAED,aAASC,OAAT,CAAiBH,QAAjB,EAA2B;AACzB,aAAQD,aAAaC,QAAb;AACLC,WADK,CACC,GADD;AAELG,YAFK,CAEE,CAACC,GAAD,EAAMC,IAAN,KAAe;AACrB,YAAI,CAACA,IAAD,IAASA,SAAS,GAAtB,EAA2B;AACzB,iBAAOD,GAAP;AACD,SAFD,MAEO,IAAIC,SAAS,IAAb,EAAmB;AACxB,iBAAOD,IAAIE,KAAJ,CAAU,CAAV,EAAa,CAAC,CAAd,CAAP;AACD,SAFM,MAEA;AACL,iBAAOF,IAAIG,MAAJ,CAAWF,IAAX,CAAP;AACD;AACF,OAVK,EAUH,EAVG,CAAR;AAWD;;AAED;AACA,aAASG,eAAT,CAAyBC,UAAzB,EAAqC;AACnC,aAAOjB,aAAakB,IAAb,CAAkBC,MAAMA,GAAGC,IAAH,CAAQH,UAAR,CAAxB,CAAP;AACD;;AAED;AACA,aAASI,iBAAT,CAA2BJ,UAA3B,EAAuC;AACrC,aAAOZ,cAAca,IAAd,CAAmBC,MAAMA,GAAGC,IAAH,CAAQH,UAAR,CAAzB,CAAP;AACD;;AAED,aAASK,gBAAT,CAA0BL,UAA1B,EAAsC;AACpC,YAAMM,QAAQb,QAAQO,UAAR,CAAd;;AAEA,YAAMO,gBAAgBD,MAAME,MAAN,CAAaZ,QAAQA,KAAKa,OAAL,CAAa,GAAb,MAAsB,CAA3C,CAAtB;AACA,UAAIF,cAAcG,MAAd,IAAwB,CAA5B,EAA+B,OAAO,KAAP;;AAE/B;AACA;AACA,YAAMC,YAAYL,MAAMd,IAAN,CAAW,GAAX,CAAlB;AACA,UAAIO,gBAAgBY,SAAhB,KAA8BZ,gBAAiB,IAAGY,SAAU,EAA9B,CAAlC,EAAoE,OAAO,KAAP;;AAEpE;AACA;AACA,YAAMC,WAAW,uBAAQZ,UAAR,EAAoBnB,OAApB,CAAjB;AACA,UAAI,CAAC+B,QAAD,IAAab,gBAAgBV,aAAauB,QAAb,CAAhB,CAAjB,EAA0D,OAAO,KAAP;;AAE1D;AACA;AACA,aAAO,IAAP;AACD;;AAED,aAASC,iBAAT,CAA2Bb,UAA3B,EAAuC;AACrC,YAAMM,QAAQb,QAAQO,UAAR,CAAd;;AAEA;AACA;AACA,YAAMW,YAAYL,MAAMd,IAAN,CAAW,GAAX,CAAlB;;AAEA,UAAIY,kBAAkBO,SAAlB,KAAgCP,kBAAmB,IAAGO,SAAU,EAAhC,CAApC,EAAwE,OAAO,IAAP;;AAExE;AACA;AACA,YAAMC,WAAW,uBAAQZ,UAAR,EAAoBnB,OAApB,CAAjB;AACA,UAAI+B,YAAYR,kBAAkBf,aAAauB,QAAb,CAAlB,CAAhB,EAA2D,OAAO,IAAP;;AAE3D;AACA,aAAO,KAAP;AACD;;AAED;AACA,UAAME,mBAAmBhC,QAAQJ,MAAR,GAAiBmC,iBAAjB,GAAqCR,gBAA9D;;AAEA,aAASU,sBAAT,CAAgCf,UAAhC,EAA4CgB,IAA5C,EAAkD;AAChD,YAAMC,0BAA0B,CAAC,QAAD,EAAW,OAAX,EAAoB,SAApB,EAA+B,UAA/B,EAA2C,UAA3C,CAAhC;AACA,UAAIA,wBAAwBR,OAAxB,CAAgC,0BAAWT,UAAX,EAAuBnB,OAAvB,CAAhC,MAAqE,CAAC,CAAtE;AACFiC,uBAAiBd,UAAjB,CADF;AAEE;AACAnB,gBAAQqC,MAAR,CAAe;AACbF,cADa;AAEbG,mBAAU,gBAAenB,UAAW,mBAFvB,EAAf;;AAID;AACF;;AAED,WAAO,6BAAeoB,MAAD,IAAY;AAC/BL,6BAAuBK,OAAOC,KAA9B,EAAqCD,MAArC;AACD,KAFM,EAEJ,EAAEE,UAAU,IAAZ,EAFI,CAAP;AAGD,GAnIc,EAAjB","file":"no-internal-modules.js","sourcesContent":["import minimatch from 'minimatch';\n\nimport resolve from 'eslint-module-utils/resolve';\nimport importType from '../core/importType';\nimport moduleVisitor from 'eslint-module-utils/moduleVisitor';\nimport docsUrl from '../docsUrl';\n\nmodule.exports = {\n  meta: {\n    type: 'suggestion',\n    docs: {\n      url: docsUrl('no-internal-modules'),\n    },\n\n    schema: [\n      {\n        oneOf: [\n          {\n            type: 'object',\n            properties: {\n              allow: {\n                type: 'array',\n                items: {\n                  type: 'string',\n                },\n              },\n            },\n            additionalProperties: false,\n          },\n          {\n            type: 'object',\n            properties: {\n              forbid: {\n                type: 'array',\n                items: {\n                  type: 'string',\n                },\n              },\n            },\n            additionalProperties: false,\n          },\n        ],\n      },\n    ],\n  },\n\n  create: function noReachingInside(context) {\n    const options = context.options[0] || {};\n    const allowRegexps = (options.allow || []).map(p => minimatch.makeRe(p));\n    const forbidRegexps = (options.forbid || []).map(p => minimatch.makeRe(p));\n\n    // minimatch patterns are expected to use / path separators, like import\n    // statements, so normalize paths to use the same\n    function normalizeSep(somePath) {\n      return somePath.split('\\\\').join('/');\n    }\n\n    function toSteps(somePath) {\n      return  normalizeSep(somePath)\n        .split('/')\n        .reduce((acc, step) => {\n          if (!step || step === '.') {\n            return acc;\n          } else if (step === '..') {\n            return acc.slice(0, -1);\n          } else {\n            return acc.concat(step);\n          }\n        }, []);\n    }\n\n    // test if reaching to this destination is allowed\n    function reachingAllowed(importPath) {\n      return allowRegexps.some(re => re.test(importPath));\n    }\n\n    // test if reaching to this destination is forbidden\n    function reachingForbidden(importPath) {\n      return forbidRegexps.some(re => re.test(importPath));\n    }\n\n    function isAllowViolation(importPath) {\n      const steps = toSteps(importPath);\n\n      const nonScopeSteps = steps.filter(step => step.indexOf('@') !== 0);\n      if (nonScopeSteps.length <= 1) return false;\n\n      // before trying to resolve, see if the raw import (with relative\n      // segments resolved) matches an allowed pattern\n      const justSteps = steps.join('/');\n      if (reachingAllowed(justSteps) || reachingAllowed(`/${justSteps}`)) return false;\n\n      // if the import statement doesn't match directly, try to match the\n      // resolved path if the import is resolvable\n      const resolved = resolve(importPath, context);\n      if (!resolved || reachingAllowed(normalizeSep(resolved))) return false;\n\n      // this import was not allowed by the allowed paths, and reaches\n      // so it is a violation\n      return true;\n    }\n\n    function isForbidViolation(importPath) {\n      const steps = toSteps(importPath);\n\n      // before trying to resolve, see if the raw import (with relative\n      // segments resolved) matches a forbidden pattern\n      const justSteps = steps.join('/');\n\n      if (reachingForbidden(justSteps) || reachingForbidden(`/${justSteps}`)) return true;\n\n      // if the import statement doesn't match directly, try to match the\n      // resolved path if the import is resolvable\n      const resolved = resolve(importPath, context);\n      if (resolved && reachingForbidden(normalizeSep(resolved))) return true;\n\n      // this import was not forbidden by the forbidden paths so it is not a violation\n      return false;\n    }\n\n    // find a directory that is being reached into, but which shouldn't be\n    const isReachViolation = options.forbid ? isForbidViolation : isAllowViolation;\n\n    function checkImportForReaching(importPath, node) {\n      const potentialViolationTypes = ['parent', 'index', 'sibling', 'external', 'internal'];\n      if (potentialViolationTypes.indexOf(importType(importPath, context)) !== -1 &&\n        isReachViolation(importPath)\n      ) {\n        context.report({\n          node,\n          message: `Reaching to \"${importPath}\" is not allowed.`,\n        });\n      }\n    }\n\n    return moduleVisitor((source) => {\n      checkImportForReaching(source.value, source);\n    }, { commonjs: true });\n  },\n};\n"]}