react-pdf
Version:
Display PDFs in your React app as easily as if they were images.
106 lines (105 loc) • 4.43 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const react_1 = __importStar(require("react"));
const make_cancellable_promise_1 = __importDefault(require("make-cancellable-promise"));
const tiny_invariant_1 = __importDefault(require("tiny-invariant"));
const warning_1 = __importDefault(require("warning"));
const StructTreeItem_js_1 = __importDefault(require("./StructTreeItem.js"));
const usePageContext_js_1 = __importDefault(require("./shared/hooks/usePageContext.js"));
const useResolver_js_1 = __importDefault(require("./shared/hooks/useResolver.js"));
const utils_js_1 = require("./shared/utils.js");
function StructTree() {
const pageContext = (0, usePageContext_js_1.default)();
(0, tiny_invariant_1.default)(pageContext, 'Unable to find Page context.');
const { onGetStructTreeError: onGetStructTreeErrorProps, onGetStructTreeSuccess: onGetStructTreeSuccessProps, } = pageContext;
const [structTreeState, structTreeDispatch] = (0, useResolver_js_1.default)();
const { value: structTree, error: structTreeError } = structTreeState;
const { customTextRenderer, page } = pageContext;
function onLoadSuccess() {
if (!structTree) {
// Impossible, but TypeScript doesn't know that
return;
}
if (onGetStructTreeSuccessProps) {
onGetStructTreeSuccessProps(structTree);
}
}
function onLoadError() {
if (!structTreeError) {
// Impossible, but TypeScript doesn't know that
return;
}
(0, warning_1.default)(false, structTreeError.toString());
if (onGetStructTreeErrorProps) {
onGetStructTreeErrorProps(structTreeError);
}
}
function resetAnnotations() {
structTreeDispatch({ type: 'RESET' });
}
(0, react_1.useEffect)(resetAnnotations, [structTreeDispatch, page]);
function loadStructTree() {
if (customTextRenderer) {
// TODO: Document why this is necessary
return;
}
if (!page) {
return;
}
const cancellable = (0, make_cancellable_promise_1.default)(page.getStructTree());
const runningTask = cancellable;
cancellable.promise
.then((nextStructTree) => {
structTreeDispatch({ type: 'RESOLVE', value: nextStructTree });
})
.catch((error) => {
structTreeDispatch({ type: 'REJECT', error });
});
return () => (0, utils_js_1.cancelRunningTask)(runningTask);
}
(0, react_1.useEffect)(loadStructTree, [customTextRenderer, page, structTreeDispatch]);
(0, react_1.useEffect)(() => {
if (structTree === undefined) {
return;
}
if (structTree === false) {
onLoadError();
return;
}
onLoadSuccess();
},
// Ommitted callbacks so they are not called every time they change
// eslint-disable-next-line react-hooks/exhaustive-deps
[structTree]);
if (!structTree) {
return null;
}
return react_1.default.createElement(StructTreeItem_js_1.default, { className: "react-pdf__Page__structTree structTree", node: structTree });
}
exports.default = StructTree;