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import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

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import Ember from 'ember';

export default Ember.Component.extend({
  tagName: 'li',
  classNames: 'ui-state-default'
});

krisselden

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

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import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Glimmer'
});

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import Ember from 'ember';
import f from '../templates/components/foo-bar';
import b from '../templates/components/foo-baz';

export default Ember.Component.extend({
  init() {
    this._super(...arguments);
    if (this.cond) {
      this.layout = f;
    } else {

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Usage

Run

./trace-ic.sh http://localhost:8080 > ic.log

Wait until your page renders and the log file appending settles down.

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export default class SortedMap<K, V> {
  private _keys: K[];
  private _values: V[];

  constructor(entries?: [K, V][]) {
    this._keys = [];
    this._values = [];
    if (entries) {
      for (let i = 0; i < entries.length; i++) {
        let [key, value] = entries[i];

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trace-deopt.sh

How to use

./trace-deopt.sh http://localhost:4200

Wait until your page renders.

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import Ember from 'ember';

export default class MyController extends Ember.Controller {
  constructor() {
    super({
      appName: 'Ember Twiddle'
    });
    console.log(this._debugContainerKey);
    console.dir(this);
  }

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const metaMap = new WeakMap();
const getPrototypeOf = Object.getPrototypeOf;

function peekMeta(obj) {
  let o = obj;
  let m;
  while (o) {
    m = metaMap.get(o);
    if (m) return m;
    o = getPrototypeOf(o);