prettier-sql/lib/utils.js

Format whitespace in a SQL query to make it more readable

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.tabulateLines = exports.maxLength = exports.sortByLengthDesc = exports.escapeRegExp = exports.isEmpty = exports.last = exports.trimSpacesEnd = exports.dedupe = void 0;

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

var dedupe = function dedupe(arr) {
  return _toConsumableArray(new Set(arr));
}; // Only removes spaces, not newlines


exports.dedupe = dedupe;

var trimSpacesEnd = function trimSpacesEnd(str) {
  return str.replace(/[\t ]+$/, '');
}; // Last element from array


exports.trimSpacesEnd = trimSpacesEnd;

var last = function last(arr) {
  return arr[arr.length - 1];
}; // True array is empty, or it's not an array at all


exports.last = last;

var isEmpty = function isEmpty(arr) {
  return !Array.isArray(arr) || arr.length === 0;
}; // Escapes regex special chars


exports.isEmpty = isEmpty;

var escapeRegExp = function escapeRegExp(string) {
  return string.replace(/[\$\(-\+\.\?\[-\^\{-\}]/g, '\\$&');
}; // Sorts strings by length, so that longer ones are first
// Also sorts alphabetically after sorting by length.


exports.escapeRegExp = escapeRegExp;

var sortByLengthDesc = function sortByLengthDesc(strings) {
  return strings.sort(function (a, b) {
    return b.length - a.length || a.localeCompare(b);
  });
};
/** Get length of longest string in list of strings */


exports.sortByLengthDesc = sortByLengthDesc;

var maxLength = function maxLength(strings) {
  return strings.reduce(function (max, cur) {
    return Math.max(max, cur.length);
  }, 0);
};
/** Make all strings in list the same length by appending spaces */


exports.maxLength = maxLength;

var tabulateLines = function tabulateLines() {
  for (var _len = arguments.length, columns = new Array(_len), _key = 0; _key < _len; _key++) {
    columns[_key] = arguments[_key];
  }

  return columns.reduce(function (lines, cur) {
    var existingMaxLength = maxLength(lines);
    return lines.map(function (line, i) {
      return line + ' '.repeat(Math.max(existingMaxLength - line.length, 0) + 1) + cur[i];
    });
  });
};

exports.tabulateLines = tabulateLines;
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