botframework-webchat-component
Version:
React component of botframework-webchat
34 lines (33 loc) • 4.22 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = useFocusAccessKeyEffect;
var _react = require("react");
var _useContext = _interopRequireDefault(require("./internal/useContext"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function removeInline(array, item) {
var index = array.indexOf(item);
~index && array.splice(index, 1);
}
function useFocusAccessKeyEffect(key, ref) {
if (key && typeof key !== 'string') {
throw new Error('useFocusAccessKeyEffect: If defined, "key" must be of type "string".');
} else if (!ref || !('current' in ref)) {
throw new Error('useFocusAccessKeyEffect: "ref" must be defined and has "current" property.');
}
var context = (0, _useContext.default)();
(0, _react.useEffect)(function () {
if (key) {
var entry = {
keys: key.split(/[\t-\r \xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF]+/g),
ref: ref
};
context.focii.push(entry);
return function () {
return removeInline(context.focii, entry);
};
}
}, [context, key, ref]);
}
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