prettier-sql/lib/languages/standardsql.formatter.js

Format whitespace in a SQL query to make it more readable

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _Formatter2 = _interopRequireDefault(require("../core/Formatter"));

var _Tokenizer = _interopRequireDefault(require("../core/Tokenizer"));

var _utils = require("../utils");

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

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; }

/**
 * Priority 5 (last)
 * Full list of reserved words
 * any words that are in a higher priority are removed
 */
// https://jakewheat.github.io/sql-overview/sql-2008-foundation-grammar.html#reserved-word
var reservedKeywords = ['ABS', 'ALL', 'ALLOCATE', 'ALTER', 'ANY', 'ARE', 'ARRAY', 'AS', 'ASENSITIVE', 'ASYMMETRIC', 'AT', 'ATOMIC', 'AUTHORIZATION', 'AVG', 'BEGIN', 'BETWEEN', 'BIGINT', 'BINARY', 'BLOB', 'BOOLEAN', 'BOTH', 'BY', 'CALL', 'CALLED', 'CARDINALITY', 'CASCADED', 'CAST', 'CEIL', 'CEILING', 'CHAR', 'CHARACTER', 'CHARACTER_LENGTH', 'CHAR_LENGTH', 'CHECK', 'CLOB', 'CLOSE', 'COALESCE', 'COLLATE', 'COLLECT', 'COLUMN', 'COMMIT', 'CONDITION', 'CONNECT', 'CONSTRAINT', 'CONVERT', 'CORR', 'CORRESPONDING', 'COUNT', 'COVAR_POP', 'COVAR_SAMP', 'CREATE', 'CROSS', 'CUBE', 'CUME_DIST', 'CURRENT', 'CURRENT_CATALOG', 'CURRENT_DATE', 'CURRENT_DEFAULT_TRANSFORM_GROUP', 'CURRENT_PATH', 'CURRENT_ROLE', 'CURRENT_SCHEMA', 'CURRENT_TIME', 'CURRENT_TIMESTAMP', 'CURRENT_TRANSFORM_GROUP_FOR_TYPE', 'CURRENT_USER', 'CURSOR', 'CYCLE', 'DATE', 'DAY', 'DEALLOCATE', 'DEC', 'DECIMAL', 'DECLARE', 'DEFAULT', 'DELETE', 'DENSE_RANK', 'DEREF', 'DESCRIBE', 'DETERMINISTIC', 'DISCONNECT', 'DISTINCT', 'DOUBLE', 'DROP', 'DYNAMIC', 'EACH', 'ELEMENT', 'END-EXEC', 'ESCAPE', 'EVERY', 'EXCEPT', 'EXEC', 'EXECUTE', 'EXISTS', 'EXP', 'EXTERNAL', 'EXTRACT', 'FALSE', 'FETCH', 'FILTER', 'FLOAT', 'FLOOR', 'FOR', 'FOREIGN', 'FREE', 'FROM', 'FULL', 'FUNCTION', 'FUSION', 'GET', 'GLOBAL', 'GRANT', 'GROUP', 'GROUPING', 'HAVING', 'HOLD', 'HOUR', 'IDENTITY', 'IN', 'INDICATOR', 'INNER', 'INOUT', 'INSENSITIVE', 'INSERT', 'INT', 'INTEGER', 'INTERSECT', 'INTERSECTION', 'INTERVAL', 'INTO', 'IS', 'LANGUAGE', 'LARGE', 'LATERAL', 'LEADING', 'LEFT', 'LIKE', 'LIKE_REGEX', 'LN', 'LOCAL', 'LOCALTIME', 'LOCALTIMESTAMP', 'LOWER', 'MATCH', 'MAX', 'MEMBER', 'MERGE', 'METHOD', 'MIN', 'MINUTE', 'MOD', 'MODIFIES', 'MODULE', 'MONTH', 'MULTISET', 'NATIONAL', 'NATURAL', 'NCHAR', 'NCLOB', 'NEW', 'NO', 'NONE', 'NORMALIZE', 'NOT', 'NULL', 'NULLIF', 'NUMERIC', 'OCCURRENCES_REGEX', 'OCTET_LENGTH', 'OF', 'OLD', 'ONLY', 'OPEN', 'ORDER', 'OUT', 'OUTER', 'OVER', 'OVERLAPS', 'OVERLAY', 'PARAMETER', 'PARTITION', 'PERCENTILE_CONT', 'PERCENTILE_DISC', 'PERCENT_RANK', 'POSITION', 'POSITION_REGEX', 'POWER', 'PRECISION', 'PREPARE', 'PRIMARY', 'PROCEDURE', 'RANGE', 'RANK', 'READS', 'REAL', 'RECURSIVE', 'REF', 'REFERENCES', 'REFERENCING', 'REGR_AVGX', 'REGR_AVGY', 'REGR_COUNT', 'REGR_INTERCEPT', 'REGR_R2', 'REGR_SLOPE', 'REGR_SXX', 'REGR_SXY', 'REGR_SYY', 'RELEASE', 'RESULT', 'RETURN', 'RETURNS', 'REVOKE', 'RIGHT', 'ROLLBACK', 'ROLLUP', 'ROW', 'ROWS', 'ROW_NUMBER', 'SAVEPOINT', 'SCOPE', 'SCROLL', 'SEARCH', 'SECOND', 'SELECT', 'SENSITIVE', 'SESSION_USER', 'SET', 'SIMILAR', 'SMALLINT', 'SOME', 'SPECIFIC', 'SPECIFICTYPE', 'SQL', 'SQLEXCEPTION', 'SQLSTATE', 'SQLWARNING', 'SQRT', 'START', 'STATIC', 'STDDEV_POP', 'STDDEV_SAMP', 'SUBMULTISET', 'SUBSTRING', 'SUBSTRING_REGEX', 'SUM', 'SYMMETRIC', 'SYSTEM', 'SYSTEM_USER', 'TABLE', 'TABLESAMPLE', 'TIME', 'TIMESTAMP', 'TIMEZONE_HOUR', 'TIMEZONE_MINUTE', 'TO', 'TRAILING', 'TRANSLATE', 'TRANSLATE_REGEX', 'TRANSLATION', 'TREAT', 'TRIGGER', 'TRIM', 'TRUE', 'UESCAPE', 'UNION', 'UNIQUE', 'UNKNOWN', 'UNNEST', 'UPDATE', 'UPPER', 'USER', 'USING', 'VALUE', 'VALUES', 'VARBINARY', 'VARCHAR', 'VARYING', 'VAR_POP', 'VAR_SAMP', 'WHENEVER', 'WIDTH_BUCKET', 'WINDOW', 'WITHIN', 'WITHOUT', 'YEAR'];
/**
 * Priority 1 (first)
 * keywords that begin a new statement
 * will begin new indented block
 */

var reservedCommands = ['ADD', 'ALTER COLUMN', 'ALTER TABLE', 'CREATE TABLE', 'DROP TABLE', 'END', 'FETCH FIRST', 'FETCH NEXT', 'FETCH PRIOR', 'FETCH LAST', 'FETCH ABSOLUTE', 'FETCH RELATIVE', 'FROM', 'GROUP BY', 'HAVING', 'INSERT INTO', 'LIMIT', 'OFFSET', 'ORDER BY', 'SELECT', 'SET SCHEMA', 'SET', 'UPDATE', 'VALUES', 'WHERE', 'WITH'];
/**
 * Priority 2
 * commands that operate on two tables or subqueries
 * two main categories: joins and boolean set operators
 */

var reservedBinaryCommands = [// set booleans
'INTERSECT', 'INTERSECT ALL', 'INTERSECT DISTINCT', 'UNION', 'UNION ALL', 'UNION DISTINCT', 'EXCEPT', 'EXCEPT ALL', 'EXCEPT DISTINCT', // joins
'JOIN', 'INNER JOIN', 'LEFT JOIN', 'LEFT OUTER JOIN', 'RIGHT JOIN', 'RIGHT OUTER JOIN', 'FULL JOIN', 'FULL OUTER JOIN', 'CROSS JOIN', 'NATURAL JOIN'];
/**
 * Priority 3
 * keywords that follow a previous Statement, must be attached to subsequent data
 * can be fully inline or on newline with optional indent
 */

var reservedDependentClauses = ['ON', 'WHEN', 'THEN', 'ELSE'];

var StandardSqlFormatter = /*#__PURE__*/function (_Formatter) {
  _inherits(StandardSqlFormatter, _Formatter);

  var _super = _createSuper(StandardSqlFormatter);

  function StandardSqlFormatter() {
    _classCallCheck(this, StandardSqlFormatter);

    return _super.apply(this, arguments);
  }

  _createClass(StandardSqlFormatter, [{
    key: "tokenizer",
    value: function tokenizer() {
      return new _Tokenizer["default"]({
        reservedCommands: StandardSqlFormatter.reservedCommands,
        reservedBinaryCommands: StandardSqlFormatter.reservedBinaryCommands,
        reservedDependentClauses: StandardSqlFormatter.reservedDependentClauses,
        reservedLogicalOperators: StandardSqlFormatter.reservedLogicalOperators,
        reservedKeywords: StandardSqlFormatter.reservedKeywords,
        stringTypes: StandardSqlFormatter.stringTypes,
        blockStart: StandardSqlFormatter.blockStart,
        blockEnd: StandardSqlFormatter.blockEnd,
        indexedPlaceholderTypes: StandardSqlFormatter.indexedPlaceholderTypes,
        namedPlaceholderTypes: StandardSqlFormatter.namedPlaceholderTypes,
        lineCommentTypes: StandardSqlFormatter.lineCommentTypes
      });
    }
  }]);

  return StandardSqlFormatter;
}(_Formatter2["default"]);

exports["default"] = StandardSqlFormatter;

_defineProperty(StandardSqlFormatter, "reservedCommands", reservedCommands);

_defineProperty(StandardSqlFormatter, "reservedBinaryCommands", reservedBinaryCommands);

_defineProperty(StandardSqlFormatter, "reservedDependentClauses", reservedDependentClauses);

_defineProperty(StandardSqlFormatter, "reservedLogicalOperators", ['AND', 'OR']);

_defineProperty(StandardSqlFormatter, "reservedKeywords", (0, _utils.dedupe)(reservedKeywords));

_defineProperty(StandardSqlFormatter, "stringTypes", ["\"\"", "''", '``']);

_defineProperty(StandardSqlFormatter, "blockStart", ['(', 'CASE']);

_defineProperty(StandardSqlFormatter, "blockEnd", [')', 'END']);

_defineProperty(StandardSqlFormatter, "indexedPlaceholderTypes", ['?']);

_defineProperty(StandardSqlFormatter, "namedPlaceholderTypes", []);

_defineProperty(StandardSqlFormatter, "lineCommentTypes", ['--']);

module.exports = exports.default;
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