AK-21/Graphite-Industrial-Intelligence

1'use strict';2 3const fill = require('fill-range');4const utils = require('./utils');5 6const compile = (ast, options = {}) => {7  const walk = (node, parent = {}) => {8    const invalidBlock = utils.isInvalidBrace(parent);9    const invalidNode = node.invalid === true && options.escapeInvalid === true;10    const invalid = invalidBlock === true || invalidNode === true;11    const prefix = options.escapeInvalid === true ? '\\' : '';12    let output = '';13 14    if (node.isOpen === true) {15      return prefix + node.value;16    }17 18    if (node.isClose === true) {19      console.log('node.isClose', prefix, node.value);20      return prefix + node.value;21    }22 23    if (node.type === 'open') {24      return invalid ? prefix + node.value : '(';25    }26 27    if (node.type === 'close') {28      return invalid ? prefix + node.value : ')';29    }30 31    if (node.type === 'comma') {32      return node.prev.type === 'comma' ? '' : invalid ? node.value : '|';33    }34 35    if (node.value) {36      return node.value;37    }38 39    if (node.nodes && node.ranges > 0) {40      const args = utils.reduce(node.nodes);41      const range = fill(...args, { ...options, wrap: false, toRegex: true, strictZeros: true });42 43      if (range.length !== 0) {44        return args.length > 1 && range.length > 1 ? `(${range})` : range;45      }46    }47 48    if (node.nodes) {49      for (const child of node.nodes) {50        output += walk(child, node);51      }52    }53 54    return output;55  };56 57  return walk(ast);58};59 60module.exports = compile;61