odin-javascript-exercises/node_modules/eslint-plugin-import/lib/rules/no-extraneous-dependencies.js

'use strict';

var _path = require('path');

var _path2 = _interopRequireDefault(_path);

var _fs = require('fs');

var _fs2 = _interopRequireDefault(_fs);

var _readPkgUp = require('read-pkg-up');

var _readPkgUp2 = _interopRequireDefault(_readPkgUp);

var _minimatch = require('minimatch');

var _minimatch2 = _interopRequireDefault(_minimatch);

var _importType = require('../core/importType');

var _importType2 = _interopRequireDefault(_importType);

var _staticRequire = require('../core/staticRequire');

var _staticRequire2 = _interopRequireDefault(_staticRequire);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function getDependencies(context, packageDir) {
  try {
    const packageContent = packageDir ? JSON.parse(_fs2.default.readFileSync(_path2.default.join(packageDir, 'package.json'), 'utf8')) : _readPkgUp2.default.sync({ cwd: context.getFilename(), normalize: false }).pkg;

    if (!packageContent) {
      return null;
    }

    return {
      dependencies: packageContent.dependencies || {},
      devDependencies: packageContent.devDependencies || {},
      optionalDependencies: packageContent.optionalDependencies || {},
      peerDependencies: packageContent.peerDependencies || {}
    };
  } catch (e) {
    if (packageDir && e.code === 'ENOENT') {
      context.report({
        message: 'The package.json file could not be found.',
        loc: { line: 0, column: 0 }
      });
    }
    if (e.name === 'JSONError' || e instanceof SyntaxError) {
      context.report({
        message: 'The package.json file could not be parsed: ' + e.message,
        loc: { line: 0, column: 0 }
      });
    }

    return null;
  }
}

function missingErrorMessage(packageName) {
  return `'${packageName}' should be listed in the project's dependencies. ` + `Run 'npm i -S ${packageName}' to add it`;
}

function devDepErrorMessage(packageName) {
  return `'${packageName}' should be listed in the project's dependencies, not devDependencies.`;
}

function optDepErrorMessage(packageName) {
  return `'${packageName}' should be listed in the project's dependencies, ` + `not optionalDependencies.`;
}

function reportIfMissing(context, deps, depsOptions, node, name) {
  if ((0, _importType2.default)(name, context) !== 'external') {
    return;
  }
  const splitName = name.split('/');
  const packageName = splitName[0][0] === '@' ? splitName.slice(0, 2).join('/') : splitName[0];
  const isInDeps = deps.dependencies[packageName] !== undefined;
  const isInDevDeps = deps.devDependencies[packageName] !== undefined;
  const isInOptDeps = deps.optionalDependencies[packageName] !== undefined;
  const isInPeerDeps = deps.peerDependencies[packageName] !== undefined;

  if (isInDeps || depsOptions.allowDevDeps && isInDevDeps || depsOptions.allowPeerDeps && isInPeerDeps || depsOptions.allowOptDeps && isInOptDeps) {
    return;
  }

  if (isInDevDeps && !depsOptions.allowDevDeps) {
    context.report(node, devDepErrorMessage(packageName));
    return;
  }

  if (isInOptDeps && !depsOptions.allowOptDeps) {
    context.report(node, optDepErrorMessage(packageName));
    return;
  }

  context.report(node, missingErrorMessage(packageName));
}

function testConfig(config, filename) {
  // Simplest configuration first, either a boolean or nothing.
  if (typeof config === 'boolean' || typeof config === 'undefined') {
    return config;
  }
  // Array of globs.
  return config.some(c => (0, _minimatch2.default)(filename, c) || (0, _minimatch2.default)(filename, _path2.default.join(process.cwd(), c)));
}

module.exports = {
  meta: {
    docs: {},

    schema: [{
      'type': 'object',
      'properties': {
        'devDependencies': { 'type': ['boolean', 'array'] },
        'optionalDependencies': { 'type': ['boolean', 'array'] },
        'peerDependencies': { 'type': ['boolean', 'array'] },
        'packageDir': { 'type': 'string' }
      },
      'additionalProperties': false
    }]
  },

  create: function (context) {
    const options = context.options[0] || {};
    const filename = context.getFilename();
    const deps = getDependencies(context, options.packageDir);

    if (!deps) {
      return {};
    }

    const depsOptions = {
      allowDevDeps: testConfig(options.devDependencies, filename) !== false,
      allowOptDeps: testConfig(options.optionalDependencies, filename) !== false,
      allowPeerDeps: testConfig(options.peerDependencies, filename) !== false
    };

    // todo: use module visitor from module-utils core
    return {
      ImportDeclaration: function (node) {
        reportIfMissing(context, deps, depsOptions, node, node.source.value);
      },
      CallExpression: function handleRequires(node) {
        if ((0, _staticRequire2.default)(node)) {
          reportIfMissing(context, deps, depsOptions, node, node.arguments[0].value);
        }
      }
    };
  }
};
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