| 1 | export function setupDocumentReadyState( |
| 2 | document: Document, |
| 3 | Event: typeof Event, |
| 4 | ) { |
| 5 | let readyState: 0 | 1 | 2 = 0; |
| 6 | Object.defineProperty(document, 'readyState', { |
| 7 | get() { |
| 8 | switch (readyState) { |
| 9 | case 0: |
| 10 | return 'loading'; |
| 11 | case 1: |
| 12 | return 'interactive'; |
| 13 | case 2: |
| 14 | return 'complete'; |
| 15 | } |
| 16 | }, |
| 17 | set(value) { |
| 18 | if (value === 'interactive' && readyState < 1) { |
| 19 | readyState = 1; |
| 20 | document.dispatchEvent(new Event('readystatechange')); |
| 21 | } else if (value === 'complete' && readyState < 2) { |
| 22 | readyState = 2; |
| 23 | document.dispatchEvent(new Event('readystatechange')); |
| 24 | document.dispatchEvent(new Event('DOMContentLoaded')); |
| 25 | } else if (value === 'loading') { |
| 26 | // We allow resetting the readyState to loading mostly for pragamtism. |
| 27 | // tests that use this environment don't reset the document between tests. |
| 28 | readyState = 0; |
| 29 | } |
| 30 | }, |
| 31 | configurable: true, |
| 32 | }); |
| 33 | } |