--- /dev/null
+"use strict";
+
+require("core-js/modules/es.array.iterator");
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.getESLintCLIEngine = getESLintCLIEngine;
+exports.getOptionsForFormatting = getOptionsForFormatting;
+exports.requireModule = requireModule;
+
+var _commonTags = require("common-tags");
+
+var _dlv = _interopRequireDefault(require("dlv"));
+
+var _loglevelColoredLevelPrefix = _interopRequireDefault(require("loglevel-colored-level-prefix"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
+
+function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
+
+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; }
+
+const logger = (0, _loglevelColoredLevelPrefix.default)({
+ prefix: 'prettier-eslint'
+});
+const RULE_DISABLED = {};
+const RULE_NOT_CONFIGURED = 'RULE_NOT_CONFIGURED';
+
+const ruleValueExists = prettierRuleValue => prettierRuleValue !== RULE_NOT_CONFIGURED && prettierRuleValue !== RULE_DISABLED && typeof prettierRuleValue !== 'undefined';
+
+const OPTION_GETTERS = {
+ printWidth: {
+ ruleValue: rules => getRuleValue(rules, 'max-len', 'code'),
+ ruleValueToPrettierOption: getPrintWidth
+ },
+ tabWidth: {
+ ruleValue: rules => {
+ let value = getRuleValue(rules, 'indent');
+
+ if (value === 'tab') {
+ value = getRuleValue(rules, 'max-len', 'tabWidth');
+ }
+
+ return value;
+ },
+ ruleValueToPrettierOption: getTabWidth
+ },
+ singleQuote: {
+ ruleValue: rules => getRuleValue(rules, 'quotes'),
+ ruleValueToPrettierOption: getSingleQuote
+ },
+ trailingComma: {
+ ruleValue: rules => getRuleValue(rules, 'comma-dangle', []),
+ ruleValueToPrettierOption: getTrailingComma
+ },
+ bracketSpacing: {
+ ruleValue: rules => getRuleValue(rules, 'object-curly-spacing'),
+ ruleValueToPrettierOption: getBracketSpacing
+ },
+ semi: {
+ ruleValue: rules => getRuleValue(rules, 'semi'),
+ ruleValueToPrettierOption: getSemi
+ },
+ useTabs: {
+ ruleValue: rules => getRuleValue(rules, 'indent'),
+ ruleValueToPrettierOption: getUseTabs
+ },
+ jsxBracketSameLine: {
+ ruleValue: rules => getRuleValue(rules, 'react/jsx-closing-bracket-location', 'nonEmpty'),
+ ruleValueToPrettierOption: getJsxBracketSameLine
+ },
+ arrowParens: {
+ ruleValue: rules => getRuleValue(rules, 'arrow-parens'),
+ ruleValueToPrettierOption: getArrowParens
+ }
+};
+/* eslint import/prefer-default-export:0 */
+
+function getOptionsForFormatting(eslintConfig, prettierOptions = {}, fallbackPrettierOptions = {}, eslintPath) {
+ const eslint = getRelevantESLintConfig(eslintConfig, eslintPath);
+ const prettier = getPrettierOptionsFromESLintRules(eslintConfig, prettierOptions, fallbackPrettierOptions);
+ return {
+ eslint,
+ prettier
+ };
+}
+
+function getRelevantESLintConfig(eslintConfig, eslintPath) {
+ const cliEngine = getESLintCLIEngine(eslintPath); // TODO: Actually test this branch
+ // istanbul ignore next
+
+ const loadedRules = cliEngine.getRules && cliEngine.getRules() || // XXX: Fallback list of unfixable rules, when using and old version of eslint
+ new Map([['global-require', {
+ meta: {}
+ }], ['no-with', {
+ meta: {}
+ }]]);
+ const {
+ rules
+ } = eslintConfig;
+ logger.debug('turning off unfixable rules');
+ const relevantRules = Object.entries(rules).reduce((rulesAccumulator, [name, rule]) => {
+ if (loadedRules.has(name)) {
+ const {
+ meta: {
+ fixable
+ }
+ } = loadedRules.get(name);
+
+ if (!fixable) {
+ logger.trace('turing off rule:', JSON.stringify({
+ [name]: rule
+ }));
+ rule = ['off'];
+ }
+ }
+
+ rulesAccumulator[name] = rule;
+ return rulesAccumulator;
+ }, {});
+ return _objectSpread(_objectSpread({
+ // defaults
+ useEslintrc: false,
+ baseConfig: {
+ settings: eslintConfig.settings || {}
+ }
+ }, eslintConfig), {}, {
+ // overrides
+ rules: relevantRules,
+ fix: true,
+ globals: []
+ });
+}
+/**
+ * This accepts an eslintConfig object and converts
+ * it to the `prettier` options object
+ */
+
+
+function getPrettierOptionsFromESLintRules(eslintConfig, prettierOptions, fallbackPrettierOptions) {
+ const {
+ rules
+ } = eslintConfig;
+ const prettierPluginOptions = getRuleValue(rules, 'prettier/prettier', []);
+
+ if (ruleValueExists(prettierPluginOptions)) {
+ prettierOptions = _objectSpread(_objectSpread({}, prettierPluginOptions), prettierOptions);
+ }
+
+ return Object.keys(OPTION_GETTERS).reduce((options, key) => configureOptions(prettierOptions, fallbackPrettierOptions, key, options, rules), prettierOptions);
+} // If an ESLint rule that prettier can be configured with is enabled create a
+// prettier configuration object that reflects the ESLint rule configuration.
+
+
+function configureOptions(prettierOptions, fallbackPrettierOptions, key, options, rules) {
+ const givenOption = prettierOptions[key];
+ const optionIsGiven = givenOption !== undefined;
+
+ if (optionIsGiven) {
+ options[key] = givenOption;
+ } else {
+ const {
+ ruleValue,
+ ruleValueToPrettierOption
+ } = OPTION_GETTERS[key];
+ const eslintRuleValue = ruleValue(rules);
+ const option = ruleValueToPrettierOption(eslintRuleValue, fallbackPrettierOptions, rules);
+
+ if (option !== undefined) {
+ options[key] = option;
+ }
+ }
+
+ return options;
+}
+
+function getPrintWidth(eslintValue, fallbacks) {
+ return makePrettierOption('printWidth', eslintValue, fallbacks);
+}
+
+function getTabWidth(eslintValue, fallbacks) {
+ return makePrettierOption('tabWidth', eslintValue, fallbacks);
+}
+
+function getSingleQuote(eslintValue, fallbacks) {
+ let prettierValue;
+
+ if (eslintValue === 'single') {
+ prettierValue = true;
+ } else if (eslintValue === 'double') {
+ prettierValue = false;
+ } else if (eslintValue === 'backtick') {
+ prettierValue = false;
+ } else {
+ prettierValue = eslintValue;
+ }
+
+ return makePrettierOption('singleQuote', prettierValue, fallbacks);
+}
+
+function getTrailingComma(eslintValue, fallbacks) {
+ let prettierValue;
+
+ if (eslintValue === 'never') {
+ prettierValue = 'none';
+ } else if (typeof eslintValue === 'string' && eslintValue.indexOf('always') === 0) {
+ prettierValue = 'es5';
+ } else if (typeof eslintValue === 'object') {
+ prettierValue = getValFromTrailingCommaConfig(eslintValue);
+ } else {
+ prettierValue = RULE_NOT_CONFIGURED;
+ }
+
+ return makePrettierOption('trailingComma', prettierValue, fallbacks);
+}
+
+function getValFromTrailingCommaConfig(objectConfig) {
+ const {
+ arrays = '',
+ objects = '',
+ functions = ''
+ } = objectConfig;
+ const fns = isAlways(functions);
+ const es5 = [arrays, objects].some(isAlways);
+
+ if (fns) {
+ return 'all';
+ } else if (es5) {
+ return 'es5';
+ } else {
+ return 'none';
+ }
+}
+
+function getBracketSpacing(eslintValue, fallbacks) {
+ let prettierValue;
+
+ if (eslintValue === 'never') {
+ prettierValue = false;
+ } else if (eslintValue === 'always') {
+ prettierValue = true;
+ } else {
+ prettierValue = eslintValue;
+ }
+
+ return makePrettierOption('bracketSpacing', prettierValue, fallbacks);
+}
+
+function getSemi(eslintValue, fallbacks) {
+ let prettierValue;
+
+ if (eslintValue === 'never') {
+ prettierValue = false;
+ } else if (eslintValue === 'always') {
+ prettierValue = true;
+ } else {
+ prettierValue = eslintValue;
+ }
+
+ return makePrettierOption('semi', prettierValue, fallbacks);
+}
+
+function getUseTabs(eslintValue, fallbacks) {
+ let prettierValue;
+
+ if (eslintValue === 'tab') {
+ prettierValue = true;
+ } else {
+ prettierValue = RULE_NOT_CONFIGURED;
+ }
+
+ return makePrettierOption('useTabs', prettierValue, fallbacks);
+}
+
+function getJsxBracketSameLine(eslintValue, fallbacks) {
+ let prettierValue;
+
+ if (eslintValue === 'after-props') {
+ prettierValue = true;
+ } else if (eslintValue === 'tag-aligned' || eslintValue === 'line-aligned' || eslintValue === 'props-aligned') {
+ prettierValue = false;
+ } else {
+ prettierValue = eslintValue;
+ }
+
+ return makePrettierOption('jsxBracketSameLine', prettierValue, fallbacks);
+}
+
+function getArrowParens(eslintValue, fallbacks) {
+ let prettierValue;
+
+ if (eslintValue === 'as-needed') {
+ prettierValue = 'avoid';
+ } else {
+ prettierValue = eslintValue;
+ }
+
+ return makePrettierOption('arrowParens', prettierValue, fallbacks);
+}
+
+function extractRuleValue(objPath, name, value) {
+ // XXX: Ignore code coverage for the following else case
+ // There are currently no eslint rules which we can infer prettier
+ // options from, that have an object option which we don't know how
+ // to infer from.
+ // istanbul ignore else
+ if (objPath) {
+ logger.trace((0, _commonTags.oneLine)`
+ Getting the value from object configuration of ${name}.
+ delving into ${JSON.stringify(value)} with path "${objPath}"
+ `);
+ return (0, _dlv.default)(value, objPath, RULE_NOT_CONFIGURED);
+ } // istanbul ignore next
+
+
+ logger.debug((0, _commonTags.oneLine)`
+ The ${name} rule is using an object configuration
+ of ${JSON.stringify(value)} but prettier-eslint is
+ not currently capable of getting the prettier value
+ based on an object configuration for ${name}.
+ Please file an issue (and make a pull request?)
+ `); // istanbul ignore next
+
+ return undefined;
+}
+
+function getRuleValue(rules, name, objPath) {
+ const ruleConfig = rules[name];
+
+ if (Array.isArray(ruleConfig)) {
+ const [ruleSetting, value] = ruleConfig; // If `ruleSetting` is set to disable the ESLint rule don't use `value` as
+ // it might be a value provided by an overriden config package e.g. airbnb
+ // overriden by config-prettier. The airbnb values are provided even though
+ // config-prettier disables the rule. Instead use fallback or prettier
+ // default.
+
+ if (ruleSetting === 0 || ruleSetting === 'off') {
+ return RULE_DISABLED;
+ }
+
+ if (typeof value === 'object') {
+ return extractRuleValue(objPath, name, value);
+ } else {
+ logger.trace((0, _commonTags.oneLine)`
+ The ${name} rule is configured with a
+ non-object value of ${value}. Using that value.
+ `);
+ return value;
+ }
+ }
+
+ return RULE_NOT_CONFIGURED;
+}
+
+function isAlways(val) {
+ return val.indexOf('always') === 0;
+}
+
+function makePrettierOption(prettierRuleName, prettierRuleValue, fallbacks) {
+ if (ruleValueExists(prettierRuleValue)) {
+ return prettierRuleValue;
+ }
+
+ const fallback = fallbacks[prettierRuleName];
+
+ if (typeof fallback !== 'undefined') {
+ logger.debug((0, _commonTags.oneLine)`
+ The ${prettierRuleName} rule is not configured,
+ using provided fallback of ${fallback}
+ `);
+ return fallback;
+ }
+
+ logger.debug((0, _commonTags.oneLine)`
+ The ${prettierRuleName} rule is not configured,
+ let prettier decide
+ `);
+ return undefined;
+}
+
+function requireModule(modulePath, name) {
+ try {
+ logger.trace(`requiring "${name}" module at "${modulePath}"`);
+ return require(modulePath);
+ } catch (error) {
+ logger.error((0, _commonTags.oneLine)`
+ There was trouble getting "${name}".
+ Is "${modulePath}" a correct path to the "${name}" module?
+ `);
+ throw error;
+ }
+}
+
+function getESLintCLIEngine(eslintPath, eslintOptions) {
+ const {
+ CLIEngine
+ } = requireModule(eslintPath, 'eslint');
+
+ try {
+ return new CLIEngine(eslintOptions);
+ } catch (error) {
+ logger.error(`There was trouble creating the ESLint CLIEngine.`);
+ throw error;
+ }
+}
\ No newline at end of file
projects / dotfiles / .git / blobdiff