eslint-plugin-criteo/lib/utils.js

An opinionated collection of ESLint shared configs and rules used by Criteo.

import pluginTypescript from 'typescript-eslint';

export function buildConfig(configs, override = {}) {
  if (!Array.isArray(configs)) {
    throw new Error('First argument of "buildConfig" must be an array instead of ' + JSON.stringify(configs));
  }

  return [configs].flat(Infinity).map((config) => {
    return { ...config, ...override };
  });
}

export const tsConfigBase = {
  languageOptions: {
    parser: pluginTypescript.parser,
    parserOptions: {
      projectService: true,
    },
  },
};

// Selectors

function metadataProperty(key) {
  return `Property:matches([key.name=${key}][computed=false], [key.value=${key}], [key.quasis.0.value.raw=${key}])`;
}

function componentMetaDataProperty(key) {
  return `${COMPONENT_SELECTOR} > CallExpression > ObjectExpression > ${metadataProperty(key)}`;
}

export const COMPONENT_SELECTOR = 'ClassDeclaration > Decorator[expression.callee.name="Component"]';

export const STYLES_SELECTOR = componentMetaDataProperty('styles');

export const STYLE_URL_SELECTOR = componentMetaDataProperty('styleUrl');

export const STYLE_URLS_SELECTOR = componentMetaDataProperty('styleUrls');

export const TEMPLATE_URL_SELECTOR = componentMetaDataProperty('templateUrl');