import stripDiacritics from './stripDiacritics';
function filterOptions (options, filterValue, excludeOptions, props) {
if (props.ignoreAccents) {
filterValue = stripDiacritics(filterValue);
}
if (props.ignoreCase) {
filterValue = filterValue.toLowerCase();
}
if (excludeOptions) excludeOptions = excludeOptions.map(i => i[props.valueKey]);
return options.filter(option => {
if (excludeOptions && excludeOptions.indexOf(option[props.valueKey]) > -1) return false;
if (props.filterOption) return props.filterOption.call(this, option, filterValue);
if (!filterValue) return true;
var valueTest = String(option[props.valueKey]);
var labelTest = String(option[props.labelKey]);
if (props.ignoreAccents) {
if (props.matchProp !== 'label') valueTest = stripDiacritics(valueTest);
if (props.matchProp !== 'value') labelTest = stripDiacritics(labelTest);
}
if (props.ignoreCase) {
if (props.matchProp !== 'label') valueTest = valueTest.toLowerCase();
if (props.matchProp !== 'value') labelTest = labelTest.toLowerCase();
}
return props.matchPos === 'start' ? (
(props.matchProp !== 'label' && valueTest.substr(0, filterValue.length) === filterValue) ||
(props.matchProp !== 'value' && labelTest.substr(0, filterValue.length) === filterValue)
) : (
(props.matchProp !== 'label' && valueTest.indexOf(filterValue) >= 0) ||
(props.matchProp !== 'value' && labelTest.indexOf(filterValue) >= 0)
);
});
}
module.exports = filterOptions;
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