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Propose accessibility fixes for enhanceSelectElement #769

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Propose accessibility fixes for enhanceSelectElement #769

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20 changes: 20 additions & 0 deletions src/wrapper.js
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,16 @@ accessibleAutocomplete.enhanceSelectElement = (configurationOptions) => {
configurationOptions.source = availableOptions.map(option => option.textContent || option.innerText)
}
configurationOptions.onConfirm = configurationOptions.onConfirm || (query => {
// so that we don't retain previous selection
configurationOptions.selectElement.value = '';

// for example, given an autocomplete of locations without auto select
// 1. user enters "United"
// 2. user clicks "United States" by mistake
// 3. user edits the field with "United Kingdom" but does not select the option
// 4. user submits the form
// 5. server receives "United States"

const requestedOption = [].filter.call(configurationOptions.selectElement.options, option => (option.textContent || option.innerText) === query)[0]
if (requestedOption) { requestedOption.selected = true }
})
Expand Down Expand Up @@ -55,6 +65,16 @@ accessibleAutocomplete.enhanceSelectElement = (configurationOptions) => {

configurationOptions.selectElement.style.display = 'none'
configurationOptions.selectElement.id = configurationOptions.selectElement.id + '-select'

// so that screen readers will announce hint and error when interacting with the new input
const autocompleteInput = element.getElementById(configurationOptions.id);
const hintAndErrorLinks = configurationOptions.selectElement.getAttribute('aria-describedby')
if (autocompleteInput && hintAndErrorLinks !== null) {
autocompleteInput.setAttribute(
'aria-describedby',
hintAndErrorLinks + ' ' + autocompleteInput.getAttribute('aria-describedby')
)
}
}

export default accessibleAutocomplete