@glimmer/util/dist/commonjs/es2017/lib/debug-to-string.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _env = require("@glimmer/env");

let debugToString;

if (_env.DEBUG) {
  let getFunctionName = fn => {
    let functionName = fn.name;

    if (functionName === undefined) {
      let match = Function.prototype.toString.call(fn).match(/function (\w+)\s*\(/);
      functionName = match && match[1] || '';
    }

    return functionName.replace(/^bound /, '');
  };

  let getObjectName = obj => {
    let name;
    let className;

    if (obj.constructor && typeof obj.constructor === 'function') {
      className = getFunctionName(obj.constructor);
    }

    if ('toString' in obj && obj.toString !== Object.prototype.toString && obj.toString !== Function.prototype.toString) {
      name = obj.toString();
    } // If the class has a decent looking name, and the `toString` is one of the
    // default Ember toStrings, replace the constructor portion of the toString
    // with the class name. We check the length of the class name to prevent doing
    // this when the value is minified.


    if (name && name.match(/<.*:ember\d+>/) && className && className[0] !== '_' && className.length > 2 && className !== 'Class') {
      return name.replace(/<.*:/, `<${className}:`);
    }

    return name || className;
  };

  let getPrimitiveName = value => {
    return String(value);
  };

  debugToString = value => {
    if (typeof value === 'function') {
      return getFunctionName(value) || `(unknown function)`;
    } else if (typeof value === 'object' && value !== null) {
      return getObjectName(value) || `(unknown object)`;
    } else {
      return getPrimitiveName(value);
    }
  };
}

var _default = debugToString;
exports.default = _default;
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