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codeql-action/node_modules/eslint-plugin-import/lib/rules/no-useless-path-segments.js
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'use strict'; | |
var _ignore = require('eslint-module-utils/ignore'); | |
var _moduleVisitor = require('eslint-module-utils/moduleVisitor');var _moduleVisitor2 = _interopRequireDefault(_moduleVisitor); | |
var _resolve = require('eslint-module-utils/resolve');var _resolve2 = _interopRequireDefault(_resolve); | |
var _path = require('path');var _path2 = _interopRequireDefault(_path); | |
var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };} | |
/** | |
* convert a potentially relative path from node utils into a true | |
* relative path. | |
* | |
* ../ -> .. | |
* ./ -> . | |
* .foo/bar -> ./.foo/bar | |
* ..foo/bar -> ./..foo/bar | |
* foo/bar -> ./foo/bar | |
* | |
* @param relativePath {string} relative posix path potentially missing leading './' | |
* @returns {string} relative posix path that always starts with a ./ | |
**/ | |
function toRelativePath(relativePath) { | |
var stripped = relativePath.replace(/\/$/g, ''); // Remove trailing / | |
return (/^((\.\.)|(\.))($|\/)/.test(stripped) ? stripped : './' + String(stripped)); | |
} /** | |
* @fileOverview Ensures that there are no useless path segments | |
* @author Thomas Grainger | |
*/function normalize(fn) {return toRelativePath(_path2['default'].posix.normalize(fn)); | |
} | |
function countRelativeParents(pathSegments) { | |
return pathSegments.filter(function (x) {return x === '..';}).length; | |
} | |
module.exports = { | |
meta: { | |
type: 'suggestion', | |
docs: { | |
category: 'Static analysis', | |
description: 'Forbid unnecessary path segments in import and require statements.', | |
url: (0, _docsUrl2['default'])('no-useless-path-segments') }, | |
fixable: 'code', | |
schema: [ | |
{ | |
type: 'object', | |
properties: { | |
commonjs: { type: 'boolean' }, | |
noUselessIndex: { type: 'boolean' } }, | |
additionalProperties: false }] }, | |
create: function () {function create(context) { | |
var currentDir = _path2['default'].dirname(context.getPhysicalFilename ? context.getPhysicalFilename() : context.getFilename()); | |
var options = context.options[0]; | |
function checkSourceValue(source) {var | |
importPath = source.value; | |
function reportWithProposedPath(proposedPath) { | |
context.report({ | |
node: source, | |
// Note: Using messageIds is not possible due to the support for ESLint 2 and 3 | |
message: 'Useless path segments for "' + String(importPath) + '", should be "' + String(proposedPath) + '"', | |
fix: function () {function fix(fixer) {return proposedPath && fixer.replaceText(source, JSON.stringify(proposedPath));}return fix;}() }); | |
} | |
// Only relative imports are relevant for this rule --> Skip checking | |
if (!importPath.startsWith('.')) { | |
return; | |
} | |
// Report rule violation if path is not the shortest possible | |
var resolvedPath = (0, _resolve2['default'])(importPath, context); | |
var normedPath = normalize(importPath); | |
var resolvedNormedPath = (0, _resolve2['default'])(normedPath, context); | |
if (normedPath !== importPath && resolvedPath === resolvedNormedPath) { | |
return reportWithProposedPath(normedPath); | |
} | |
var fileExtensions = (0, _ignore.getFileExtensions)(context.settings); | |
var regexUnnecessaryIndex = new RegExp('.*\\/index(\\' + String( | |
Array.from(fileExtensions).join('|\\')) + ')?$'); | |
// Check if path contains unnecessary index (including a configured extension) | |
if (options && options.noUselessIndex && regexUnnecessaryIndex.test(importPath)) { | |
var parentDirectory = _path2['default'].dirname(importPath); | |
// Try to find ambiguous imports | |
if (parentDirectory !== '.' && parentDirectory !== '..') {var _iteratorNormalCompletion = true;var _didIteratorError = false;var _iteratorError = undefined;try { | |
for (var _iterator = fileExtensions[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {var fileExtension = _step.value; | |
if ((0, _resolve2['default'])('' + String(parentDirectory) + String(fileExtension), context)) { | |
return reportWithProposedPath(String(parentDirectory) + '/'); | |
} | |
}} catch (err) {_didIteratorError = true;_iteratorError = err;} finally {try {if (!_iteratorNormalCompletion && _iterator['return']) {_iterator['return']();}} finally {if (_didIteratorError) {throw _iteratorError;}}} | |
} | |
return reportWithProposedPath(parentDirectory); | |
} | |
// Path is shortest possible + starts from the current directory --> Return directly | |
if (importPath.startsWith('./')) { | |
return; | |
} | |
// Path is not existing --> Return directly (following code requires path to be defined) | |
if (resolvedPath === undefined) { | |
return; | |
} | |
var expected = _path2['default'].relative(currentDir, resolvedPath); // Expected import path | |
var expectedSplit = expected.split(_path2['default'].sep); // Split by / or \ (depending on OS) | |
var importPathSplit = importPath.replace(/^\.\//, '').split('/'); | |
var countImportPathRelativeParents = countRelativeParents(importPathSplit); | |
var countExpectedRelativeParents = countRelativeParents(expectedSplit); | |
var diff = countImportPathRelativeParents - countExpectedRelativeParents; | |
// Same number of relative parents --> Paths are the same --> Return directly | |
if (diff <= 0) { | |
return; | |
} | |
// Report and propose minimal number of required relative parents | |
return reportWithProposedPath( | |
toRelativePath( | |
importPathSplit. | |
slice(0, countExpectedRelativeParents). | |
concat(importPathSplit.slice(countImportPathRelativeParents + diff)). | |
join('/'))); | |
} | |
return (0, _moduleVisitor2['default'])(checkSourceValue, options); | |
}return create;}() }; | |
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stripped : `./${stripped}`;\n}\n\nfunction normalize(fn) {\n  return toRelativePath(path.posix.normalize(fn));\n}\n\nfunction countRelativeParents(pathSegments) {\n  return pathSegments.filter((x) => x === '..').length;\n}\n\nmodule.exports = {\n  meta: {\n    type: 'suggestion',\n    docs: {\n      category: 'Static analysis',\n      description: 'Forbid unnecessary path segments in import and require statements.',\n      url: docsUrl('no-useless-path-segments'),\n    },\n\n    fixable: 'code',\n\n    schema: [\n      {\n        type: 'object',\n        properties: {\n          commonjs: { type: 'boolean' },\n          noUselessIndex: { type: 'boolean' },\n        },\n        additionalProperties: false,\n      },\n    ],\n  },\n\n  create(context) {\n    const currentDir = path.dirname(context.getPhysicalFilename ? context.getPhysicalFilename() : context.getFilename());\n    const options = context.options[0];\n\n    function checkSourceValue(source) {\n      const { value: importPath } = source;\n\n      function reportWithProposedPath(proposedPath) {\n        context.report({\n          node: source,\n          // Note: Using messageIds is not possible due to the support for ESLint 2 and 3\n          message: `Useless path segments for \"${importPath}\", should be \"${proposedPath}\"`,\n          fix: (fixer) => proposedPath && fixer.replaceText(source, JSON.stringify(proposedPath)),\n        });\n      }\n\n      // Only relative imports are relevant for this rule --> Skip checking\n      if (!importPath.startsWith('.')) {\n        return;\n      }\n\n      // Report rule violation if path is not the shortest possible\n      const resolvedPath = resolve(importPath, context);\n      const normedPath = normalize(importPath);\n      const resolvedNormedPath = resolve(normedPath, context);\n      if (normedPath !== importPath && resolvedPath === resolvedNormedPath) {\n        return reportWithProposedPath(normedPath);\n      }\n\n      const fileExtensions = getFileExtensions(context.settings);\n      const regexUnnecessaryIndex = new RegExp(\n        `.*\\\\/index(\\\\${Array.from(fileExtensions).join('|\\\\')})?$`,\n      );\n\n      // Check if path contains unnecessary index (including a configured extension)\n      if (options && options.noUselessIndex && regexUnnecessaryIndex.test(importPath)) {\n        const parentDirectory = path.dirname(importPath);\n\n        // Try to find ambiguous imports\n        if (parentDirectory !== '.' && parentDirectory !== '..') {\n          for (const fileExtension of fileExtensions) {\n            if (resolve(`${parentDirectory}${fileExtension}`, context)) {\n              return reportWithProposedPath(`${parentDirectory}/`);\n            }\n          }\n        }\n\n        return reportWithProposedPath(parentDirectory);\n      }\n\n      // Path is shortest possible + starts from the current directory --> Return directly\n      if (importPath.startsWith('./')) {\n        return;\n      }\n\n      // Path is not existing --> Return directly (following code requires path to be defined)\n      if (resolvedPath === undefined) {\n        return;\n      }\n\n      const expected = path.relative(currentDir, resolvedPath); // Expected import path\n      const expectedSplit = expected.split(path.sep); // Split by / or \\ (depending on OS)\n      const importPathSplit = importPath.replace(/^\\.\\//, '').split('/');\n      const countImportPathRelativeParents = countRelativeParents(importPathSplit);\n      const countExpectedRelativeParents = countRelativeParents(expectedSplit);\n      const diff = countImportPathRelativeParents - countExpectedRelativeParents;\n\n      // Same number of relative parents --> Paths are the same --> Return directly\n      if (diff <= 0) {\n        return;\n      }\n\n      // Report and propose minimal number of required relative parents\n      return reportWithProposedPath(\n        toRelativePath(\n          importPathSplit\n            .slice(0, countExpectedRelativeParents)\n            .concat(importPathSplit.slice(countImportPathRelativeParents + diff))\n            .join('/'),\n        ),\n      );\n    }\n\n    return moduleVisitor(checkSourceValue, options);\n  },\n};\n"]} |