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index.js
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index.js
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import { useEffect, useState, useCallback, useRef } from 'react';
const eventBindings = {
autocomplete: 'change:suggestions',
recommendation: 'change:items',
search: 'change:items',
'smart-collection': 'change:items',
content: 'change:items',
}
const randomKey = () => Math.random().toString(36).substring(7)
export const waitForFindify = () => new Promise(resolve =>
(window.findifyCallbacks = window.findifyCallbacks || []).push(findify => resolve(findify))
);
const getWidgetConfig = (type, node, config, customs) => {
if (type !== 'recommendation') {
return customs;
}
let cfg = config.getIn(['features', 'recommendations', customs.slot || node.getAttribute('id')]);
if (!cfg) {
cfg = config.getIn(['features', 'recommendations', `#${customs.slot || node.getAttribute('id')}`]);
}
return cfg.mergeDeep(customs);
};
const cleanCollectionSlot = (slot) => slot.replace(/^\/|\/$/g, "").toLowerCase();
export default ({ type, config = {}, options = {}, history, widgetKey = randomKey() }) => {
const [container, setContainer] = useState(null);
const [ready, setReady] = useState(false);
const [error, setError] = useState(null);
const prevProps = useRef({
type,
slot: config.slot
});
const onSetContainer = useCallback((node) => {
setContainer(node);
}, [container])
useEffect(() => {
let findify = void 0;
setReady(false)
const init = async () => {
findify = await waitForFindify();
let collectionSlot;
if (type === 'smart-collection') {
collectionSlot = config.slot && config.slot !== '' ? cleanCollectionSlot(config.slot) : findify.utils.collectionPath();
if (!findify.utils.isCollection(findify.config.get('collections'), collectionSlot)) {
setError(`collection slot: ${collectionSlot} not configured in Findify`);
return
}
}
if (config.slot !== prevProps.current.slot || type !== prevProps.current.type) {
setError(null)
}
if (!container) {
return
}
if (history) {
findify.utils.setHistory
? findify.utils.setHistory(history)
: findify.utils.history = history
};
const widgetConfig = getWidgetConfig(
type,
container,
findify.config,
{
widgetKey,
disableAutoRequest: true,
...config,
}
);
findify.widgets.attach(
container,
type === 'smart-collection' ? 'search' : type,
widgetConfig
)
const widget = findify.widgets.get(widgetKey)
const meta = widget.config.get('meta') && widget.config.get('meta').toJS() || {};
const defaultRequestParams = (widget.config.get('defaultRequestParams') && widget.config.get('defaultRequestParams').toJS()) || {};
const defaults = {
...meta,
...defaultRequestParams,
...options
}
if (type === 'recommendation') {
defaults.slot = config.slot;
defaults.type = config.type || widgetConfig.get('type');
}
if (collectionSlot) {
defaults.slot = collectionSlot;
}
const callback = (items) => window.requestAnimationFrame(() => {
widget.agent.off(callback)
if (!items.size) {
setError('Findify Search API returns 0 items')
return
}
setReady(true);
})
widget.agent
.defaults(defaults)
.on('error', () => setError('Findify Search API throws an error'))
.on(eventBindings[type], callback)
if (['search', 'smart-collection'].includes(type)) {
widget.agent.applyState(findify.utils.getQuery())
}
}
init();
return () => {
console.log('detach', widgetKey)
if (findify && findify.widgets.get(widgetKey)) {
findify.widgets.detach(widgetKey)
}
}
}, [container, config.slot, type]);
return [onSetContainer, ready, !!error, error];
}