( node: HTMLSelectElement, multiple: boolean, propValue: any, setDefaultSelected: boolean, )
| 61 | } |
| 62 | |
| 63 | function updateOptions( |
| 64 | node: HTMLSelectElement, |
| 65 | multiple: boolean, |
| 66 | propValue: any, |
| 67 | setDefaultSelected: boolean, |
| 68 | ) { |
| 69 | const options: HTMLOptionsCollection = node.options; |
| 70 | |
| 71 | if (multiple) { |
| 72 | const selectedValues = (propValue: Array<string>); |
| 73 | const selectedValue: {[string]: boolean} = {}; |
| 74 | for (let i = 0; i < selectedValues.length; i++) { |
| 75 | // Prefix to avoid chaos with special keys. |
| 76 | selectedValue['$' + selectedValues[i]] = true; |
| 77 | } |
| 78 | for (let i = 0; i < options.length; i++) { |
| 79 | const selected = selectedValue.hasOwnProperty('$' + options[i].value); |
| 80 | if (options[i].selected !== selected) { |
| 81 | options[i].selected = selected; |
| 82 | } |
| 83 | if (selected && setDefaultSelected) { |
| 84 | options[i].defaultSelected = true; |
| 85 | } |
| 86 | } |
| 87 | } else { |
| 88 | // Do not set `select.value` as exact behavior isn't consistent across all |
| 89 | // browsers for all cases. |
| 90 | const selectedValue = toString(getToStringValue(propValue)); |
| 91 | let defaultSelected = null; |
| 92 | for (let i = 0; i < options.length; i++) { |
| 93 | if (options[i].value === selectedValue) { |
| 94 | options[i].selected = true; |
| 95 | if (setDefaultSelected) { |
| 96 | options[i].defaultSelected = true; |
| 97 | } |
| 98 | return; |
| 99 | } |
| 100 | if (defaultSelected === null && !options[i].disabled) { |
| 101 | defaultSelected = options[i]; |
| 102 | } |
| 103 | } |
| 104 | if (defaultSelected !== null) { |
| 105 | defaultSelected.selected = true; |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Implements a <select> host component that allows optionally setting the |
no test coverage detected