dynatrace-cordova-outsystems-plugin/node_modules/ajv/scripts/compile-dots.js

This plugin gives you the ability to use the Dynatrace instrumentation in your hybrid application (Cordova, Ionic, ..). It uses the Mobile Agent, the JavaScript Agent and the Javascript Bridge. The Mobile Agent will give you all device specific values con

//compile doT templates to js functions
'use strict';

var glob = require('glob')
  , fs = require('fs')
  , path = require('path')
  , doT = require('dot')
  , beautify = require('js-beautify').js_beautify;

var defsRootPath = process.argv[2] || path.join(__dirname, '../lib');

var defs = {};
var defFiles = glob.sync('./dot/**/*.def', { cwd: defsRootPath });
defFiles.forEach(function (f) {
  var name = path.basename(f, '.def');
  defs[name] = fs.readFileSync(path.join(defsRootPath, f));
});

var filesRootPath = process.argv[3] || path.join(__dirname, '../lib');
var files = glob.sync('./dot/**/*.jst', { cwd: filesRootPath });

var dotjsPath = path.join(filesRootPath, './dotjs');
try { fs.mkdirSync(dotjsPath); } catch(e) {}

console.log('\n\nCompiling:');

var FUNCTION_NAME = /function\s+anonymous\s*\(it[^)]*\)\s*{/;
var OUT_EMPTY_STRING = /out\s*\+=\s*'\s*';/g;
var ISTANBUL = /'(istanbul[^']+)';/g;
var ERROR_KEYWORD = /\$errorKeyword/g;
var ERROR_KEYWORD_OR = /\$errorKeyword\s+\|\|/g;
var VARS = [
  '$errs', '$valid', '$lvl', '$data', '$dataLvl',
  '$errorKeyword', '$closingBraces', '$schemaPath',
  '$validate'
];

files.forEach(function (f) {
  var keyword = path.basename(f, '.jst');
  var targetPath = path.join(dotjsPath, keyword + '.js');
  var template = fs.readFileSync(path.join(filesRootPath, f));
  var code = doT.compile(template, defs);
  code = code.toString()
             .replace(OUT_EMPTY_STRING, '')
             .replace(FUNCTION_NAME, 'function generate_' + keyword + '(it, $keyword, $ruleType) {')
             .replace(ISTANBUL, '/* $1 */');
  removeAlwaysFalsyInOr();
  VARS.forEach(removeUnusedVar);
  code = "'use strict';\nmodule.exports = " + code;
  code = beautify(code, { indent_size: 2 }) + '\n';
  fs.writeFileSync(targetPath, code);
  console.log('compiled', keyword);

  function removeUnusedVar(v) {
    v = v.replace(/\$/g, '\\$$');
    var regexp = new RegExp(v + '[^A-Za-z0-9_$]', 'g');
    var count = occurrences(regexp);
    if (count == 1) {
      regexp = new RegExp('var\\s+' + v + '\\s*=[^;]+;|var\\s+' + v + ';');
      code = code.replace(regexp, '');
    }
  }

  function removeAlwaysFalsyInOr() {
    var countUsed = occurrences(ERROR_KEYWORD);
    var countOr = occurrences(ERROR_KEYWORD_OR);
    if (countUsed == countOr + 1) code = code.replace(ERROR_KEYWORD_OR, '');
  }

  function occurrences(regexp) {
    return (code.match(regexp) || []).length;
  }
});