react-pdf-ner-annotator
Version:
A React component to annotate named entities directly onto a PDF.
59 lines • 3.1 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 };
};
exports.__esModule = true;
var react_1 = __importStar(require("react"));
var object_hash_1 = __importDefault(require("object-hash"));
var TokenContainer_1 = __importDefault(require("./TokenContainer"));
var annotationContext_1 = __importDefault(require("../../context/annotationContext"));
var textMapHelpers_1 = require("../../helpers/textMapHelpers");
var TextLayer = function (_a) {
var inView = _a.inView, shouldRender = _a.shouldRender, canvasInitialized = _a.canvasInitialized, textLayer = _a.textLayer, needsTokenization = _a.needsTokenization, pageNumber = _a.pageNumber;
var tokenizer = (0, react_1.useContext)(annotationContext_1["default"]).tokenizer;
if (!shouldRender) {
return null;
}
if (inView && canvasInitialized && (textLayer === null || textLayer === void 0 ? void 0 : textLayer.length)) {
var offset_1 = 0;
return (react_1["default"].createElement(react_1["default"].Fragment, null, textLayer.map(function (textLayerItem) {
var _a;
if (!((_a = textLayerItem.text) === null || _a === void 0 ? void 0 : _a.replace(/\s/g, ''))) {
return null;
}
var tokens = (0, textMapHelpers_1.tokenizeText)(textLayerItem.text, tokenizer, needsTokenization);
if (!tokens) {
return null;
}
var filteredTokenLength = tokens.filter(function (t) { return t !== ' '; }).length;
offset_1 += filteredTokenLength;
return (react_1["default"].createElement(TokenContainer_1["default"], { key: (0, object_hash_1["default"])(textLayerItem), textLayerItem: textLayerItem, tokens: tokens, offset: offset_1 - filteredTokenLength, pageNumber: pageNumber }));
})));
}
return null;
};
exports["default"] = (0, react_1.memo)(TextLayer);
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