react-pdf
Version:
Display PDFs in your React app as easily as if they were images.
163 lines (162 loc) • 7.68 kB
JavaScript
;
'use client';
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 });
exports.default = AnnotationLayer;
const jsx_runtime_1 = require("react/jsx-runtime");
const react_1 = require("react");
const make_cancellable_promise_1 = __importDefault(require("make-cancellable-promise"));
const clsx_1 = __importDefault(require("clsx"));
const tiny_invariant_1 = __importDefault(require("tiny-invariant"));
const warning_1 = __importDefault(require("warning"));
const pdfjs = __importStar(require("pdfjs-dist"));
const useDocumentContext_js_1 = __importDefault(require("../shared/hooks/useDocumentContext.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 AnnotationLayer() {
const documentContext = (0, useDocumentContext_js_1.default)();
const pageContext = (0, usePageContext_js_1.default)();
(0, tiny_invariant_1.default)(pageContext, 'Unable to find Page context.');
const mergedProps = Object.assign(Object.assign({}, documentContext), pageContext);
const { imageResourcesPath, linkService, onGetAnnotationsError: onGetAnnotationsErrorProps, onGetAnnotationsSuccess: onGetAnnotationsSuccessProps, onRenderAnnotationLayerError: onRenderAnnotationLayerErrorProps, onRenderAnnotationLayerSuccess: onRenderAnnotationLayerSuccessProps, page, pdf, renderForms, rotate, scale = 1, } = mergedProps;
(0, tiny_invariant_1.default)(pdf, 'Attempted to load page annotations, but no document was specified. Wrap <Page /> in a <Document /> or pass explicit `pdf` prop.');
(0, tiny_invariant_1.default)(page, 'Attempted to load page annotations, but no page was specified.');
(0, tiny_invariant_1.default)(linkService, 'Attempted to load page annotations, but no linkService was specified.');
const [annotationsState, annotationsDispatch] = (0, useResolver_js_1.default)();
const { value: annotations, error: annotationsError } = annotationsState;
const layerElement = (0, react_1.useRef)(null);
(0, warning_1.default)(Number.parseInt(window.getComputedStyle(document.body).getPropertyValue('--react-pdf-annotation-layer'), 10) === 1, 'AnnotationLayer styles not found. Read more: https://github.com/wojtekmaj/react-pdf#support-for-annotations');
function onLoadSuccess() {
if (!annotations) {
// Impossible, but TypeScript doesn't know that
return;
}
if (onGetAnnotationsSuccessProps) {
onGetAnnotationsSuccessProps(annotations);
}
}
function onLoadError() {
if (!annotationsError) {
// Impossible, but TypeScript doesn't know that
return;
}
(0, warning_1.default)(false, annotationsError.toString());
if (onGetAnnotationsErrorProps) {
onGetAnnotationsErrorProps(annotationsError);
}
}
// biome-ignore lint/correctness/useExhaustiveDependencies: useEffect intentionally triggered on page change
(0, react_1.useEffect)(function resetAnnotations() {
annotationsDispatch({ type: 'RESET' });
}, [annotationsDispatch, page]);
(0, react_1.useEffect)(function loadAnnotations() {
if (!page) {
return;
}
const cancellable = (0, make_cancellable_promise_1.default)(page.getAnnotations());
const runningTask = cancellable;
cancellable.promise
.then((nextAnnotations) => {
annotationsDispatch({ type: 'RESOLVE', value: nextAnnotations });
})
.catch((error) => {
annotationsDispatch({ type: 'REJECT', error });
});
return () => {
(0, utils_js_1.cancelRunningTask)(runningTask);
};
}, [annotationsDispatch, page]);
// biome-ignore lint/correctness/useExhaustiveDependencies: Ommitted callbacks so they are not called every time they change
(0, react_1.useEffect)(() => {
if (annotations === undefined) {
return;
}
if (annotations === false) {
onLoadError();
return;
}
onLoadSuccess();
}, [annotations]);
function onRenderSuccess() {
if (onRenderAnnotationLayerSuccessProps) {
onRenderAnnotationLayerSuccessProps();
}
}
function onRenderError(error) {
(0, warning_1.default)(false, `${error}`);
if (onRenderAnnotationLayerErrorProps) {
onRenderAnnotationLayerErrorProps(error);
}
}
const viewport = (0, react_1.useMemo)(() => page.getViewport({ scale, rotation: rotate }), [page, rotate, scale]);
// biome-ignore lint/correctness/useExhaustiveDependencies: Ommitted callbacks so they are not called every time they change
(0, react_1.useEffect)(function renderAnnotationLayer() {
if (!pdf || !page || !linkService || !annotations) {
return;
}
const { current: layer } = layerElement;
if (!layer) {
return;
}
const clonedViewport = viewport.clone({ dontFlip: true });
const annotationLayerParameters = {
accessibilityManager: null, // TODO: Implement this
annotationCanvasMap: null, // TODO: Implement this
annotationEditorUIManager: null, // TODO: Implement this
div: layer,
l10n: null, // TODO: Implement this
page,
structTreeLayer: null, // TODO: Implement this
viewport: clonedViewport,
};
const renderParameters = {
annotations,
annotationStorage: pdf.annotationStorage,
div: layer,
imageResourcesPath,
linkService,
page,
renderForms,
viewport: clonedViewport,
};
layer.innerHTML = '';
try {
new pdfjs.AnnotationLayer(annotationLayerParameters).render(renderParameters);
// Intentional immediate callback
onRenderSuccess();
}
catch (error) {
onRenderError(error);
}
return () => {
// TODO: Cancel running task?
};
}, [annotations, imageResourcesPath, linkService, page, pdf, renderForms, viewport]);
return ((0, jsx_runtime_1.jsx)("div", { className: (0, clsx_1.default)('react-pdf__Page__annotations', 'annotationLayer'), ref: layerElement }));
}