react-pdf
Version:
Display PDFs in your React app as easily as if they were images.
81 lines (80 loc) • 3.5 kB
JavaScript
"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = StructTree;
const jsx_runtime_1 = require("react/jsx-runtime");
const react_1 = 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);
}
}
// biome-ignore lint/correctness/useExhaustiveDependencies: useEffect intentionally triggered on page change
(0, react_1.useEffect)(function resetStructTree() {
structTreeDispatch({ type: 'RESET' });
}, [structTreeDispatch, page]);
(0, react_1.useEffect)(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);
}, [customTextRenderer, page, structTreeDispatch]);
// biome-ignore lint/correctness/useExhaustiveDependencies: Ommitted callbacks so they are not called every time they change
(0, react_1.useEffect)(() => {
if (structTree === undefined) {
return;
}
if (structTree === false) {
onLoadError();
return;
}
onLoadSuccess();
}, [structTree]);
if (!structTree) {
return null;
}
return (0, jsx_runtime_1.jsx)(StructTreeItem_js_1.default, { className: "react-pdf__Page__structTree structTree", node: structTree });
}