enforce-node-protocol-usage.js 17 KB

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  1. 'use strict';var _messages;function _defineProperty(obj, key, value) {if (key in obj) {Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true });} else {obj[key] = value;}return obj;}
  2. var isCoreModule = require('is-core-module');var _require =
  3. require('../docsUrl'),docsUrl = _require['default'];
  4. var DO_PREFER_MESSAGE_ID = 'requireNodeProtocol';
  5. var NEVER_PREFER_MESSAGE_ID = 'forbidNodeProtocol';
  6. var messages = (_messages = {}, _defineProperty(_messages,
  7. DO_PREFER_MESSAGE_ID, 'Prefer `node:{{moduleName}}` over `{{moduleName}}`.'), _defineProperty(_messages,
  8. NEVER_PREFER_MESSAGE_ID, 'Prefer `{{moduleName}}` over `node:{{moduleName}}`.'), _messages);
  9. function replaceStringLiteral(
  10. fixer,
  11. node,
  12. text,
  13. relativeRangeStart,
  14. relativeRangeEnd)
  15. {
  16. var firstCharacterIndex = node.range[0] + 1;
  17. var start = Number.isInteger(relativeRangeEnd) ?
  18. relativeRangeStart + firstCharacterIndex :
  19. firstCharacterIndex;
  20. var end = Number.isInteger(relativeRangeEnd) ?
  21. relativeRangeEnd + firstCharacterIndex :
  22. node.range[1] - 1;
  23. return fixer.replaceTextRange([start, end], text);
  24. }
  25. function isStringLiteral(node) {
  26. return node && node.type === 'Literal' && typeof node.value === 'string';
  27. }
  28. function isStaticRequireWith1Param(node) {
  29. return !node.optional &&
  30. node.callee.type === 'Identifier' &&
  31. node.callee.name === 'require'
  32. // check for only 1 argument
  33. && node.arguments.length === 1 &&
  34. node.arguments[0] &&
  35. isStringLiteral(node.arguments[0]);
  36. }
  37. function checkAndReport(src, context) {
  38. // TODO use src.quasis[0].value.raw
  39. if (!src || src.type === 'TemplateLiteral') {return;}
  40. var moduleName = 'value' in src ? src.value : src.name;
  41. if (typeof moduleName !== 'string') {console.log(src, moduleName);}var
  42. settings = context.settings;
  43. var nodeVersion = settings && settings['import/node-version'];
  44. if (
  45. typeof nodeVersion !== 'undefined' && (
  46. typeof nodeVersion !== 'string' ||
  47. !/^[0-9]+\.[0-9]+\.[0-9]+$/.test(nodeVersion)))
  48. {
  49. throw new TypeError('`import/node-version` setting must be a string in the format "10.23.45" (a semver version, with no leading zero)');
  50. }
  51. if (context.options[0] === 'never') {
  52. if (!moduleName.startsWith('node:')) {return;}
  53. var actualModuleName = moduleName.slice(5);
  54. if (!isCoreModule(actualModuleName, nodeVersion || undefined)) {return;}
  55. context.report({
  56. node: src,
  57. message: messages[NEVER_PREFER_MESSAGE_ID],
  58. data: { moduleName: actualModuleName },
  59. /** @param {import('eslint').Rule.RuleFixer} fixer */
  60. fix: function () {function fix(fixer) {
  61. return replaceStringLiteral(fixer, src, '', 0, 5);
  62. }return fix;}() });
  63. } else if (context.options[0] === 'always') {
  64. if (
  65. moduleName.startsWith('node:') ||
  66. !isCoreModule(moduleName, nodeVersion || undefined) ||
  67. !isCoreModule('node:' + String(moduleName), nodeVersion || undefined))
  68. {
  69. return;
  70. }
  71. context.report({
  72. node: src,
  73. message: messages[DO_PREFER_MESSAGE_ID],
  74. data: { moduleName: moduleName },
  75. /** @param {import('eslint').Rule.RuleFixer} fixer */
  76. fix: function () {function fix(fixer) {
  77. return replaceStringLiteral(fixer, src, 'node:', 0, 0);
  78. }return fix;}() });
  79. } else if (typeof context.options[0] === 'undefined') {
  80. throw new Error('Missing option');
  81. } else {
  82. throw new Error('Unexpected option: ' + String(context.options[0]));
  83. }
  84. }
  85. /** @type {import('eslint').Rule.RuleModule} */
  86. module.exports = {
  87. meta: {
  88. type: 'suggestion',
  89. docs: {
  90. description: 'Enforce either using, or omitting, the `node:` protocol when importing Node.js builtin modules.',
  91. recommended: true,
  92. category: 'Static analysis',
  93. url: docsUrl('enforce-node-protocol-usage') },
  94. fixable: 'code',
  95. schema: {
  96. type: 'array',
  97. minItems: 1,
  98. maxItems: 1,
  99. items: [
  100. {
  101. 'enum': ['always', 'never'] }] },
  102. messages: messages },
  103. create: function () {function create(context) {
  104. return {
  105. CallExpression: function () {function CallExpression(node) {
  106. if (!isStaticRequireWith1Param(node)) {return;}
  107. var arg = node.arguments[0];
  108. return checkAndReport(arg, context);
  109. }return CallExpression;}(),
  110. ExportNamedDeclaration: function () {function ExportNamedDeclaration(node) {
  111. return checkAndReport(node.source, context);
  112. }return ExportNamedDeclaration;}(),
  113. ImportDeclaration: function () {function ImportDeclaration(node) {
  114. return checkAndReport(node.source, context);
  115. }return ImportDeclaration;}(),
  116. ImportExpression: function () {function ImportExpression(node) {
  117. if (!isStringLiteral(node.source)) {return;}
  118. return checkAndReport(node.source, context);
  119. }return ImportExpression;}() };
  120. }return create;}() };
  121. //# 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strict';\n\nconst isCoreModule = require('is-core-module');\nconst { default: docsUrl } = require('../docsUrl');\n\nconst DO_PREFER_MESSAGE_ID = 'requireNodeProtocol';\nconst NEVER_PREFER_MESSAGE_ID = 'forbidNodeProtocol';\nconst messages = {\n  [DO_PREFER_MESSAGE_ID]: 'Prefer `node:{{moduleName}}` over `{{moduleName}}`.',\n  [NEVER_PREFER_MESSAGE_ID]: 'Prefer `{{moduleName}}` over `node:{{moduleName}}`.',\n};\n\nfunction replaceStringLiteral(\n  fixer,\n  node,\n  text,\n  relativeRangeStart,\n  relativeRangeEnd,\n) {\n  const firstCharacterIndex = node.range[0] + 1;\n  const start = Number.isInteger(relativeRangeEnd)\n    ? relativeRangeStart + firstCharacterIndex\n    : firstCharacterIndex;\n  const end = Number.isInteger(relativeRangeEnd)\n    ? relativeRangeEnd + firstCharacterIndex\n    : node.range[1] - 1;\n\n  return fixer.replaceTextRange([start, end], text);\n}\n\nfunction isStringLiteral(node) {\n  return node && node.type === 'Literal' && typeof node.value === 'string';\n}\n\nfunction isStaticRequireWith1Param(node) {\n  return !node.optional\n    && node.callee.type === 'Identifier'\n    && node.callee.name === 'require'\n    // check for only 1 argument\n    && node.arguments.length === 1\n    && node.arguments[0]\n    && isStringLiteral(node.arguments[0]);\n}\n\nfunction checkAndReport(src, context) {\n  // TODO use src.quasis[0].value.raw\n  if (!src || src.type === 'TemplateLiteral') { return; }\n  const moduleName = 'value' in src ? src.value : src.name;\n  if (typeof moduleName !== 'string') { console.log(src, moduleName); }\n  const { settings } = context;\n  const nodeVersion = settings && settings['import/node-version'];\n  if (\n    typeof nodeVersion !== 'undefined'\n    && (\n      typeof nodeVersion !== 'string'\n      || !(/^[0-9]+\\.[0-9]+\\.[0-9]+$/).test(nodeVersion)\n    )\n  ) {\n    throw new TypeError('`import/node-version` setting must be a string in the format \"10.23.45\" (a semver version, with no leading zero)');\n  }\n\n  if (context.options[0] === 'never') {\n    if (!moduleName.startsWith('node:')) { return; }\n\n    const actualModuleName = moduleName.slice(5);\n    if (!isCoreModule(actualModuleName, nodeVersion || undefined)) { return; }\n\n    context.report({\n      node: src,\n      message: messages[NEVER_PREFER_MESSAGE_ID],\n      data: { moduleName: actualModuleName },\n      /** @param {import('eslint').Rule.RuleFixer} fixer */\n      fix(fixer) {\n        return replaceStringLiteral(fixer, src, '', 0, 5);\n      },\n    });\n  } else if (context.options[0] === 'always') {\n    if (\n      moduleName.startsWith('node:')\n      || !isCoreModule(moduleName, nodeVersion || undefined)\n      || !isCoreModule(`node:${moduleName}`, nodeVersion || undefined)\n    ) {\n      return;\n    }\n\n    context.report({\n      node: src,\n      message: messages[DO_PREFER_MESSAGE_ID],\n      data: { moduleName },\n      /** @param {import('eslint').Rule.RuleFixer} fixer */\n      fix(fixer) {\n        return replaceStringLiteral(fixer, src, 'node:', 0, 0);\n      },\n    });\n  } else if (typeof context.options[0] === 'undefined') {\n    throw new Error('Missing option');\n  } else {\n    throw new Error(`Unexpected option: ${context.options[0]}`);\n  }\n}\n\n/** @type {import('eslint').Rule.RuleModule} */\nmodule.exports = {\n  meta: {\n    type: 'suggestion',\n    docs: {\n      description: 'Enforce either using, or omitting, the `node:` protocol when importing Node.js builtin modules.',\n      recommended: true,\n      category: 'Static analysis',\n      url: docsUrl('enforce-node-protocol-usage'),\n    },\n    fixable: 'code',\n    schema: {\n      type: 'array',\n      minItems: 1,\n      maxItems: 1,\n      items: [\n        {\n          enum: ['always', 'never'],\n        },\n      ],\n    },\n    messages,\n  },\n  create(context) {\n    return {\n      CallExpression(node) {\n        if (!isStaticRequireWith1Param(node)) { return; }\n\n        const arg = node.arguments[0];\n\n        return checkAndReport(arg, context);\n      },\n      ExportNamedDeclaration(node) {\n        return checkAndReport(node.source, context);\n      },\n      ImportDeclaration(node) {\n        return checkAndReport(node.source, context);\n      },\n      ImportExpression(node) {\n        if (!isStringLiteral(node.source)) { return; }\n\n        return checkAndReport(node.source, context);\n      },\n    };\n  },\n};\n"]}