no-anonymous-default-export.js 13 KB

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  1. 'use strict';
  2. var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);
  3. var _has = require('has');var _has2 = _interopRequireDefault(_has);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };} /**
  4. * @fileoverview Rule to disallow anonymous default exports.
  5. * @author Duncan Beevers
  6. */var defs = { ArrayExpression: {
  7. option: 'allowArray',
  8. description: 'If `false`, will report default export of an array',
  9. message: 'Assign array to a variable before exporting as module default' },
  10. ArrowFunctionExpression: {
  11. option: 'allowArrowFunction',
  12. description: 'If `false`, will report default export of an arrow function',
  13. message: 'Assign arrow function to a variable before exporting as module default' },
  14. CallExpression: {
  15. option: 'allowCallExpression',
  16. description: 'If `false`, will report default export of a function call',
  17. message: 'Assign call result to a variable before exporting as module default',
  18. 'default': true },
  19. ClassDeclaration: {
  20. option: 'allowAnonymousClass',
  21. description: 'If `false`, will report default export of an anonymous class',
  22. message: 'Unexpected default export of anonymous class',
  23. forbid: function () {function forbid(node) {return !node.declaration.id;}return forbid;}() },
  24. FunctionDeclaration: {
  25. option: 'allowAnonymousFunction',
  26. description: 'If `false`, will report default export of an anonymous function',
  27. message: 'Unexpected default export of anonymous function',
  28. forbid: function () {function forbid(node) {return !node.declaration.id;}return forbid;}() },
  29. Literal: {
  30. option: 'allowLiteral',
  31. description: 'If `false`, will report default export of a literal',
  32. message: 'Assign literal to a variable before exporting as module default' },
  33. ObjectExpression: {
  34. option: 'allowObject',
  35. description: 'If `false`, will report default export of an object expression',
  36. message: 'Assign object to a variable before exporting as module default' },
  37. TemplateLiteral: {
  38. option: 'allowLiteral',
  39. description: 'If `false`, will report default export of a literal',
  40. message: 'Assign literal to a variable before exporting as module default' },
  41. NewExpression: {
  42. option: 'allowNew',
  43. description: 'If `false`, will report default export of a class instantiation',
  44. message: 'Assign instance to a variable before exporting as module default' } };
  45. var schemaProperties = Object.keys(defs).
  46. map(function (key) {return defs[key];}).
  47. reduce(function (acc, def) {
  48. acc[def.option] = {
  49. description: def.description,
  50. type: 'boolean' };
  51. return acc;
  52. }, {});
  53. var defaults = Object.keys(defs).
  54. map(function (key) {return defs[key];}).
  55. reduce(function (acc, def) {
  56. acc[def.option] = (0, _has2['default'])(def, 'default') ? def['default'] : false;
  57. return acc;
  58. }, {});
  59. module.exports = {
  60. meta: {
  61. type: 'suggestion',
  62. docs: {
  63. category: 'Style guide',
  64. description: 'Forbid anonymous values as default exports.',
  65. url: (0, _docsUrl2['default'])('no-anonymous-default-export') },
  66. schema: [
  67. {
  68. type: 'object',
  69. properties: schemaProperties,
  70. 'additionalProperties': false }] },
  71. create: function () {function create(context) {
  72. var options = Object.assign({}, defaults, context.options[0]);
  73. return {
  74. 'ExportDefaultDeclaration': function () {function ExportDefaultDeclaration(node) {
  75. var def = defs[node.declaration.type];
  76. // Recognized node type and allowed by configuration,
  77. // and has no forbid check, or forbid check return value is truthy
  78. if (def && !options[def.option] && (!def.forbid || def.forbid(node))) {
  79. context.report({ node: node, message: def.message });
  80. }
  81. }return ExportDefaultDeclaration;}() };
  82. }return create;}() };
  83. //# 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* @fileoverview Rule to disallow anonymous default exports.\n * @author Duncan Beevers\n */\n\nimport docsUrl from '../docsUrl';\nimport has from 'has';\n\nconst defs = {\n  ArrayExpression: {\n    option: 'allowArray',\n    description: 'If `false`, will report default export of an array',\n    message: 'Assign array to a variable before exporting as module default',\n  },\n  ArrowFunctionExpression: {\n    option: 'allowArrowFunction',\n    description: 'If `false`, will report default export of an arrow function',\n    message: 'Assign arrow function to a variable before exporting as module default',\n  },\n  CallExpression: {\n    option: 'allowCallExpression',\n    description: 'If `false`, will report default export of a function call',\n    message: 'Assign call result to a variable before exporting as module default',\n    default: true,\n  },\n  ClassDeclaration: {\n    option: 'allowAnonymousClass',\n    description: 'If `false`, will report default export of an anonymous class',\n    message: 'Unexpected default export of anonymous class',\n    forbid: (node) => !node.declaration.id,\n  },\n  FunctionDeclaration: {\n    option: 'allowAnonymousFunction',\n    description: 'If `false`, will report default export of an anonymous function',\n    message: 'Unexpected default export of anonymous function',\n    forbid: (node) => !node.declaration.id,\n  },\n  Literal: {\n    option: 'allowLiteral',\n    description: 'If `false`, will report default export of a literal',\n    message: 'Assign literal to a variable before exporting as module default',\n  },\n  ObjectExpression: {\n    option: 'allowObject',\n    description: 'If `false`, will report default export of an object expression',\n    message: 'Assign object to a variable before exporting as module default',\n  },\n  TemplateLiteral: {\n    option: 'allowLiteral',\n    description: 'If `false`, will report default export of a literal',\n    message: 'Assign literal to a variable before exporting as module default',\n  },\n  NewExpression: {\n    option: 'allowNew',\n    description: 'If `false`, will report default export of a class instantiation',\n    message: 'Assign instance to a variable before exporting as module default',\n  },\n};\n\nconst schemaProperties = Object.keys(defs)\n  .map((key) => defs[key])\n  .reduce((acc, def) => {\n    acc[def.option] = {\n      description: def.description,\n      type: 'boolean',\n    };\n\n    return acc;\n  }, {});\n\nconst defaults = Object.keys(defs)\n  .map((key) => defs[key])\n  .reduce((acc, def) => {\n    acc[def.option] = has(def, 'default') ? def.default : false;\n    return acc;\n  }, {});\n\nmodule.exports = {\n  meta: {\n    type: 'suggestion',\n    docs: {\n      category: 'Style guide',\n      description: 'Forbid anonymous values as default exports.',\n      url: docsUrl('no-anonymous-default-export'),\n    },\n\n    schema: [\n      {\n        type: 'object',\n        properties: schemaProperties,\n        'additionalProperties': false,\n      },\n    ],\n  },\n\n  create(context) {\n    const options = Object.assign({}, defaults, context.options[0]);\n\n    return {\n      'ExportDefaultDeclaration': (node) => {\n        const def = defs[node.declaration.type];\n\n        // Recognized node type and allowed by configuration,\n        //   and has no forbid check, or forbid check return value is truthy\n        if (def && !options[def.option] && (!def.forbid || def.forbid(node))) {\n          context.report({ node, message: def.message });\n        }\n      },\n    };\n  },\n};\n"]}