react-native-view-pdf/lib/index.js

React native Pdf viewer implementation

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __rest = (this && this.__rest) || function (s, e) {
    var t = {};
    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
        t[p] = s[p];
    if (s != null && typeof Object.getOwnPropertySymbols === "function")
        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
                t[p[i]] = s[p[i]];
        }
    return t;
};
import React from 'react';
import { findNodeHandle, UIManager, Platform, NativeModules, requireNativeComponent, } from 'react-native';
const PDFViewNativeComponent = requireNativeComponent('PDFView');
class PDFView extends React.Component {
    constructor() {
        super(...arguments);
        this.onError = (event) => {
            var _a, _b;
            const { nativeEvent } = event || {};
            (_b = (_a = this.props).onError) === null || _b === void 0 ? void 0 : _b.call(_a, nativeEvent || new Error('unknown error'));
        };
        this.onPageChanged = (event) => {
            var _a, _b;
            const { nativeEvent = {} } = event || {};
            const { page = -1, pageCount = -1 } = nativeEvent;
            (_b = (_a = this.props).onPageChanged) === null || _b === void 0 ? void 0 : _b.call(_a, page, pageCount);
        };
        this.onScrolled = (event) => {
            var _a, _b;
            const { nativeEvent = {} } = event || {};
            const { offset = -1 } = nativeEvent;
            (_b = (_a = this.props).onScrolled) === null || _b === void 0 ? void 0 : _b.call(_a, offset);
        };
        this._getCommands = () => {
            const _PDFView = UIManager.getViewManagerConfig
                ? UIManager.getViewManagerConfig('PDFView') // RN 0.58
                : UIManager.PDFView; // RN 0.57
            return _PDFView.Commands;
        };
        this._setViewRef = (ref) => {
            this._viewerRef = ref;
        };
    }
    /**
     * A Function. Invoke it when PDF document needs to be reloaded. Use `ref` to
     * access it. Throws an exception in case of errors
     */
    reload() {
        return __awaiter(this, void 0, void 0, function* () {
            if (this._viewerRef) {
                const handle = findNodeHandle(this._viewerRef);
                if (!handle) {
                    throw new Error('Cannot find node handles');
                }
                yield Platform.select({
                    android: () => __awaiter(this, void 0, void 0, function* () {
                        return UIManager.dispatchViewManagerCommand(handle, this._getCommands().reload, []);
                    }),
                    ios: () => __awaiter(this, void 0, void 0, function* () { return NativeModules.PDFView.reload(handle); }),
                    default: () => __awaiter(this, void 0, void 0, function* () { }),
                })();
            }
            else {
                throw new Error('No ref to PDFView component, check that component is mounted');
            }
        });
    }
    render() {
        const _a = this.props, { 
        // eslint-disable-next-line @typescript-eslint/no-unused-vars
        onError, 
        // eslint-disable-next-line @typescript-eslint/no-unused-vars
        onPageChanged, 
        // eslint-disable-next-line @typescript-eslint/no-unused-vars
        onScrolled } = _a, remainingProps = __rest(_a, ["onError", "onPageChanged", "onScrolled"]);
        return (React.createElement(PDFViewNativeComponent, Object.assign({ ref: this._setViewRef }, remainingProps, { onError: this.onError, onPageChanged: this.onPageChanged, onScrolled: this.onScrolled })));
    }
}
PDFView.defaultProps = {
    fadeInDuration: 0.0,
    resourceType: 'url',
    textEncoding: 'utf-8',
    urlProps: {},
    enableAnnotations: false,
    fileFrom: 'bundle',
};
export default PDFView;