@lyra/base/lib/util/searchUtils.js

Lyra plugin containing the base components and roles for a Lyra configuration

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
const VEGAQL_KEYWORDS = ['match', 'in', 'asc', 'desc', 'true', 'false', 'null'];
const VALID_FIELD = /^[a-zA-Z_][a-zA-Z0-9_]*$/;

const fieldNeedsEscape = exports.fieldNeedsEscape = fieldName => !VALID_FIELD.test(fieldName) || VEGAQL_KEYWORDS.includes(fieldName);

const escapeField = exports.escapeField = fieldName => `["${fieldName}"]`;
const escapeFirst = fieldName => `@${escapeField(fieldName)}`;

const isEmptyArray = v => Array.isArray(v) && v.length === 0;
const joinPath = exports.joinPath = pathArray => pathArray.reduce((prev, pathSegment, i) => {
  if (isEmptyArray(pathSegment)) {
    return `${prev}[]`;
  }
  const isFirst = i === 0;
  const needsEscape = fieldNeedsEscape(pathSegment);

  if (needsEscape) {
    return isFirst ? escapeFirst(pathSegment) : `${prev}${escapeField(pathSegment)}`;
  }
  return isFirst ? pathSegment : `${prev}.${pathSegment}`;
}, '');