@chalkbooks/react-doc-viewer
Version:
File viewer for React.
35 lines (34 loc) • 1.54 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.useRendererSelector = void 0;
var react_1 = require("react");
var DocViewerProvider_1 = require("../store/DocViewerProvider");
var useRendererSelector = function () {
var _a = (0, react_1.useContext)(DocViewerProvider_1.DocViewerContext).state, currentDocument = _a.currentDocument, pluginRenderers = _a.pluginRenderers;
var _b = (0, react_1.useState)(), CurrentRenderer = _b[0], setCurrentRenderer = _b[1];
(0, react_1.useEffect)(function () {
if (!currentDocument)
return;
if (!currentDocument.fileType) {
setCurrentRenderer(undefined);
return;
}
var matchingRenderers = [];
pluginRenderers === null || pluginRenderers === void 0 ? void 0 : pluginRenderers.forEach(function (r) {
if (currentDocument.fileType === undefined)
return;
if (r.fileTypes.indexOf(currentDocument.fileType) >= 0) {
matchingRenderers.push(r);
}
});
var SelectedRenderer = matchingRenderers.sort(function (a, b) { return b.weight - a.weight; })[0];
if (SelectedRenderer && SelectedRenderer !== undefined) {
setCurrentRenderer(function () { return SelectedRenderer; });
}
else {
setCurrentRenderer(null);
}
}, [currentDocument, pluginRenderers]);
return { CurrentRenderer: CurrentRenderer };
};
exports.useRendererSelector = useRendererSelector;