* @return {?PageConfig}
()
| 823 | * @return {?PageConfig} |
| 824 | */ |
| 825 | check() { |
| 826 | if (!this.doc_.getBody()) { |
| 827 | // Wait until the whole `<head>` is parsed. |
| 828 | return null; |
| 829 | } |
| 830 | |
| 831 | const domReady = this.doc_.isReady(); |
| 832 | |
| 833 | // type: 'application/ld+json' |
| 834 | const elements = this.doc_ |
| 835 | .getRootNode() |
| 836 | .querySelectorAll('script[type="application/ld+json"]'); |
| 837 | for (let i = 0; i < elements.length; i++) { |
| 838 | const element = elements[i]; |
| 839 | if ( |
| 840 | element[ALREADY_SEEN] || |
| 841 | !element.textContent || |
| 842 | (!domReady && !hasNextNodeInDocumentOrder(element)) |
| 843 | ) { |
| 844 | continue; |
| 845 | } |
| 846 | element[ALREADY_SEEN] = true; |
| 847 | if (!RE_ALLOWED_TYPES.test(element.textContent)) { |
| 848 | continue; |
| 849 | } |
| 850 | const possibleConfig = this.tryExtractConfig_(element); |
| 851 | if (possibleConfig) { |
| 852 | return possibleConfig; |
| 853 | } |
| 854 | } |
| 855 | return null; |
| 856 | } |
| 857 | |
| 858 | /** |
| 859 | * @param {!Element} element |
nothing calls this directly
no test coverage detected