mirror of
https://github.com/github/codeql-action.git
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139 lines
14 KiB
JavaScript
139 lines
14 KiB
JavaScript
'use strict';
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var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };}
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var EXPORT_MESSAGE = 'Expected "export" or "export default"'; /**
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* @fileoverview Rule to prefer ES6 to CJS
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* @author Jamund Ferguson
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*/var IMPORT_MESSAGE = 'Expected "import" instead of "require()"';function normalizeLegacyOptions(options) {
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if (options.indexOf('allow-primitive-modules') >= 0) {
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return { allowPrimitiveModules: true };
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}
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return options[0] || {};
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}
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function allowPrimitive(node, options) {
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if (!options.allowPrimitiveModules) return false;
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if (node.parent.type !== 'AssignmentExpression') return false;
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return node.parent.right.type !== 'ObjectExpression';
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}
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function allowRequire(node, options) {
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return options.allowRequire;
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}
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function allowConditionalRequire(node, options) {
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return options.allowConditionalRequire !== false;
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}
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function validateScope(scope) {
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return scope.variableScope.type === 'module';
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}
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// https://github.com/estree/estree/blob/HEAD/es5.md
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function isConditional(node) {
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if (
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node.type === 'IfStatement' ||
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node.type === 'TryStatement' ||
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node.type === 'LogicalExpression' ||
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node.type === 'ConditionalExpression')
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return true;
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if (node.parent) return isConditional(node.parent);
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return false;
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}
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function isLiteralString(node) {
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return node.type === 'Literal' && typeof node.value === 'string' ||
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node.type === 'TemplateLiteral' && node.expressions.length === 0;
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}
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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var schemaString = { 'enum': ['allow-primitive-modules'] };
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var schemaObject = {
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type: 'object',
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properties: {
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allowPrimitiveModules: { 'type': 'boolean' },
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allowRequire: { 'type': 'boolean' },
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allowConditionalRequire: { 'type': 'boolean' } },
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additionalProperties: false };
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module.exports = {
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meta: {
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type: 'suggestion',
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docs: {
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category: 'Module systems',
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description: 'Forbid CommonJS `require` calls and `module.exports` or `exports.*`.',
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url: (0, _docsUrl2['default'])('no-commonjs') },
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schema: {
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anyOf: [
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{
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type: 'array',
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items: [schemaString],
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additionalItems: false },
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{
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type: 'array',
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items: [schemaObject],
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additionalItems: false }] } },
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create: function () {function create(context) {
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var options = normalizeLegacyOptions(context.options);
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return {
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'MemberExpression': function () {function MemberExpression(node) {
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// module.exports
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if (node.object.name === 'module' && node.property.name === 'exports') {
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if (allowPrimitive(node, options)) return;
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context.report({ node: node, message: EXPORT_MESSAGE });
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}
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// exports.
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if (node.object.name === 'exports') {
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var isInScope = context.getScope().
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variables.
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some(function (variable) {return variable.name === 'exports';});
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if (!isInScope) {
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context.report({ node: node, message: EXPORT_MESSAGE });
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}
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}
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}return MemberExpression;}(),
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'CallExpression': function () {function CallExpression(call) {
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if (!validateScope(context.getScope())) return;
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if (call.callee.type !== 'Identifier') return;
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if (call.callee.name !== 'require') return;
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if (call.arguments.length !== 1) return;
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if (!isLiteralString(call.arguments[0])) return;
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if (allowRequire(call, options)) return;
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if (allowConditionalRequire(call, options) && isConditional(call.parent)) return;
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// keeping it simple: all 1-string-arg `require` calls are reported
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context.report({
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node: call.callee,
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message: IMPORT_MESSAGE });
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}return CallExpression;}() };
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}return create;}() };
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//# 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* @fileoverview Rule to prefer ES6 to CJS\n * @author Jamund Ferguson\n */\n\nimport docsUrl from '../docsUrl';\n\nconst EXPORT_MESSAGE = 'Expected \"export\" or \"export default\"';\nconst IMPORT_MESSAGE = 'Expected \"import\" instead of \"require()\"';\n\nfunction normalizeLegacyOptions(options) {\n  if (options.indexOf('allow-primitive-modules') >= 0) {\n    return { allowPrimitiveModules: true };\n  }\n  return options[0] || {};\n}\n\nfunction allowPrimitive(node, options) {\n  if (!options.allowPrimitiveModules) return false;\n  if (node.parent.type !== 'AssignmentExpression') return false;\n  return (node.parent.right.type !== 'ObjectExpression');\n}\n\nfunction allowRequire(node, options) {\n  return options.allowRequire;\n}\n\nfunction allowConditionalRequire(node, options) {\n  return options.allowConditionalRequire !== false;\n}\n\nfunction validateScope(scope) {\n  return scope.variableScope.type === 'module';\n}\n\n// https://github.com/estree/estree/blob/HEAD/es5.md\nfunction isConditional(node) {\n  if (\n    node.type === 'IfStatement'\n    || node.type === 'TryStatement'\n    || node.type === 'LogicalExpression'\n    || node.type === 'ConditionalExpression'\n  ) return true;\n  if (node.parent) return isConditional(node.parent);\n  return false;\n}\n\nfunction isLiteralString(node) {\n  return (node.type === 'Literal' && typeof node.value === 'string') ||\n    (node.type === 'TemplateLiteral' && node.expressions.length === 0);\n}\n\n//------------------------------------------------------------------------------\n// Rule Definition\n//------------------------------------------------------------------------------\n\nconst schemaString = { enum: ['allow-primitive-modules'] };\nconst schemaObject = {\n  type: 'object',\n  properties: {\n    allowPrimitiveModules: { 'type': 'boolean' },\n    allowRequire: { 'type': 'boolean' },\n    allowConditionalRequire: { 'type': 'boolean' },\n  },\n  additionalProperties: false,\n};\n\nmodule.exports = {\n  meta: {\n    type: 'suggestion',\n    docs: {\n      category: 'Module systems',\n      description: 'Forbid CommonJS `require` calls and `module.exports` or `exports.*`.',\n      url: docsUrl('no-commonjs'),\n    },\n\n    schema: {\n      anyOf: [\n        {\n          type: 'array',\n          items: [schemaString],\n          additionalItems: false,\n        },\n        {\n          type: 'array',\n          items: [schemaObject],\n          additionalItems: false,\n        },\n      ],\n    },\n  },\n\n  create(context) {\n    const options = normalizeLegacyOptions(context.options);\n\n    return {\n\n      'MemberExpression': function (node) {\n\n        // module.exports\n        if (node.object.name === 'module' && node.property.name === 'exports') {\n          if (allowPrimitive(node, options)) return;\n          context.report({ node, message: EXPORT_MESSAGE });\n        }\n\n        // exports.\n        if (node.object.name === 'exports') {\n          const isInScope = context.getScope()\n            .variables\n            .some(variable => variable.name === 'exports');\n          if (! isInScope) {\n            context.report({ node, message: EXPORT_MESSAGE });\n          }\n        }\n\n      },\n      'CallExpression': function (call) {\n        if (!validateScope(context.getScope())) return;\n\n        if (call.callee.type !== 'Identifier') return;\n        if (call.callee.name !== 'require') return;\n\n        if (call.arguments.length !== 1) return;\n        if (!isLiteralString(call.arguments[0])) return;\n\n        if (allowRequire(call, options)) return;\n\n        if (allowConditionalRequire(call, options) && isConditional(call.parent)) return;\n\n        // keeping it simple: all 1-string-arg `require` calls are reported\n        context.report({\n          node: call.callee,\n          message: IMPORT_MESSAGE,\n        });\n      },\n    };\n\n  },\n};\n"]}
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