no-internal-modules.js 12 KB

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  1. 'use strict';
  2. var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
  3. var _minimatch = require('minimatch');
  4. var _minimatch2 = _interopRequireDefault(_minimatch);
  5. var _resolve = require('eslint-module-utils/resolve');
  6. var _resolve2 = _interopRequireDefault(_resolve);
  7. var _importType = require('../core/importType');
  8. var _importType2 = _interopRequireDefault(_importType);
  9. var _staticRequire = require('../core/staticRequire');
  10. var _staticRequire2 = _interopRequireDefault(_staticRequire);
  11. var _docsUrl = require('../docsUrl');
  12. var _docsUrl2 = _interopRequireDefault(_docsUrl);
  13. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  14. module.exports = {
  15. meta: {
  16. docs: {
  17. url: (0, _docsUrl2.default)('no-internal-modules')
  18. },
  19. schema: [{
  20. type: 'object',
  21. properties: {
  22. allow: {
  23. type: 'array',
  24. items: {
  25. type: 'string'
  26. }
  27. }
  28. },
  29. additionalProperties: false
  30. }]
  31. },
  32. create: function noReachingInside(context) {
  33. const options = context.options[0] || {};
  34. const allowRegexps = (options.allow || []).map(p => _minimatch2.default.makeRe(p));
  35. // test if reaching to this destination is allowed
  36. function reachingAllowed(importPath) {
  37. return allowRegexps.some(re => re.test(importPath));
  38. }
  39. // minimatch patterns are expected to use / path separators, like import
  40. // statements, so normalize paths to use the same
  41. function normalizeSep(somePath) {
  42. return somePath.split('\\').join('/');
  43. }
  44. // find a directory that is being reached into, but which shouldn't be
  45. function isReachViolation(importPath) {
  46. const steps = normalizeSep(importPath).split('/').reduce((acc, step) => {
  47. if (!step || step === '.') {
  48. return acc;
  49. } else if (step === '..') {
  50. return acc.slice(0, -1);
  51. } else {
  52. return acc.concat(step);
  53. }
  54. }, []);
  55. const nonScopeSteps = steps.filter(step => step.indexOf('@') !== 0);
  56. if (nonScopeSteps.length <= 1) return false;
  57. // before trying to resolve, see if the raw import (with relative
  58. // segments resolved) matches an allowed pattern
  59. const justSteps = steps.join('/');
  60. if (reachingAllowed(justSteps) || reachingAllowed(`/${justSteps}`)) return false;
  61. // if the import statement doesn't match directly, try to match the
  62. // resolved path if the import is resolvable
  63. const resolved = (0, _resolve2.default)(importPath, context);
  64. if (!resolved || reachingAllowed(normalizeSep(resolved))) return false;
  65. // this import was not allowed by the allowed paths, and reaches
  66. // so it is a violation
  67. return true;
  68. }
  69. function checkImportForReaching(importPath, node) {
  70. const potentialViolationTypes = ['parent', 'index', 'sibling', 'external', 'internal'];
  71. if (potentialViolationTypes.indexOf((0, _importType2.default)(importPath, context)) !== -1 && isReachViolation(importPath)) {
  72. context.report({
  73. node,
  74. message: `Reaching to "${importPath}" is not allowed.`
  75. });
  76. }
  77. }
  78. return {
  79. ImportDeclaration(node) {
  80. checkImportForReaching(node.source.value, node.source);
  81. },
  82. CallExpression(node) {
  83. if ((0, _staticRequire2.default)(node)) {
  84. var _node$arguments = _slicedToArray(node.arguments, 1);
  85. const firstArgument = _node$arguments[0];
  86. checkImportForReaching(firstArgument.value, firstArgument);
  87. }
  88. }
  89. };
  90. }
  91. };
  92. //# 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minimatch from 'minimatch'\n\nimport resolve from 'eslint-module-utils/resolve'\nimport importType from '../core/importType'\nimport isStaticRequire from '../core/staticRequire'\nimport docsUrl from '../docsUrl'\n\nmodule.exports = {\n  meta: {\n    docs: {\n      url: docsUrl('no-internal-modules'),\n    },\n\n    schema: [\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  },\n\n  create: function noReachingInside(context) {\n    const options = context.options[0] || {}\n    const allowRegexps = (options.allow || []).map(p => minimatch.makeRe(p))\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    // 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    // find a directory that is being reached into, but which shouldn't be\n    function isReachViolation(importPath) {\n      const steps = normalizeSep(importPath)\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      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(`/${justSteps}`)) return false\n\n      // if the import statement doesn't match directly, try to match the\n      // resolved path if the import is resolvable\n      const resolved = resolve(importPath, context)\n      if (!resolved || reachingAllowed(normalizeSep(resolved))) return false\n\n      // this import was not allowed by the allowed paths, and reaches\n      // so it is a violation\n      return true\n    }\n\n    function checkImportForReaching(importPath, node) {\n      const potentialViolationTypes = ['parent', 'index', 'sibling', 'external', 'internal']\n      if (potentialViolationTypes.indexOf(importType(importPath, context)) !== -1 &&\n        isReachViolation(importPath)\n      ) {\n        context.report({\n          node,\n          message: `Reaching to \"${importPath}\" is not allowed.`,\n        })\n      }\n    }\n\n    return {\n      ImportDeclaration(node) {\n        checkImportForReaching(node.source.value, node.source)\n      },\n      CallExpression(node) {\n        if (isStaticRequire(node)) {\n          const [ firstArgument ] = node.arguments\n          checkImportForReaching(firstArgument.value, firstArgument)\n        }\n      },\n    }\n  },\n}\n"]}