Function fesCore

src/core/friendly_errors/fes_core.js:28–1149

(p5, fn, lifecycles)

import * as contants from '../constants';

function fesCore(p5, fn, lifecycles){
  // p5.js blue, p5.js orange, auto dark green; fallback p5.js darkened magenta
  // See testColors below for all the color codes and names
  const typeColors = ['#2D7BB6', '#EE9900', '#4DB200', '#C83C00'];
  let misusedAtTopLevelCode = null;
  let defineMisusedAtTopLevelCode = null;

  // the threshold for the maximum allowed levenshtein distance
  // used in misspelling detection
  const EDIT_DIST_THRESHOLD = 2;

  // to enable or disable styling (color, font-size, etc. ) for fes messages
  const ENABLE_FES_STYLING = false;

  // Used for internally thrown errors that should not get wrapped by another
  // friendly error handler
  class FESError extends Error {};

  if (typeof IS_MINIFIED !== 'undefined') {
    p5._friendlyError =
      p5._checkForUserDefinedFunctions =
      p5._fesErrorMonitor =
      () => {};
  } else {
    let doFriendlyWelcome = false; // TEMP until we get it all working LM

    // const errorTable = require('./browser_errors').default;

    // -- Borrowed from jQuery 1.11.3 --
    const class2type = {};
    const toString = class2type.toString;
    const names = [
      'Boolean',
      'Number',
      'String',
      'Function',
      'Array',
      'Date',
      'RegExp',
      'Object',
      'Error'
    ];
    for (let n = 0; n < names.length; n++) {
      class2type[`[object ${names[n]}]`] = names[n].toLowerCase();
    }
    const getType = obj => {
      if (obj == null) {
        return `${obj}`;
      }
      return typeof obj === 'object' || typeof obj === 'function'
        ? class2type[toString.call(obj)] || 'object'
        : typeof obj;
    };

    // -- End borrow --

    // entry points into user-defined code
    const entryPoints = [