react-pdf-ner-annotator/lib/helpers/selectionHelpers.js

A React component to annotate named entities directly onto a PDF.

"use strict";
exports.__esModule = true;
exports.findIntersectingChildren = exports.calculateSelectionRectangle = exports.isCoordsEmpty = void 0;
var isCoordsEmpty = function (coordinates) {
    return coordinates.width * coordinates.height <= 25;
};
exports.isCoordsEmpty = isCoordsEmpty;
var calculateSelectionRectangle = function (startPoint, endPoint) {
    var x3 = Math.min(startPoint.x, endPoint.x);
    var x4 = Math.max(startPoint.x, endPoint.x);
    var y3 = Math.min(startPoint.y, endPoint.y);
    var y4 = Math.max(startPoint.y, endPoint.y);
    return { left: x3, top: y3, width: x4 - x3, height: y4 - y3 };
};
exports.calculateSelectionRectangle = calculateSelectionRectangle;
var findIntersectingChildren = function (children, selectionRect, offsetX, offsetY) {
    if (offsetX === void 0) { offsetX = 0; }
    if (offsetY === void 0) { offsetY = 0; }
    return Array.from(children).filter(function (child) { return intersects(child, selectionRect, offsetX, offsetY); });
};
exports.findIntersectingChildren = findIntersectingChildren;
var intersects = function (child, selectionRect, offsetX, offsetY) {
    if (Object.values(child.attributes)
        .map(function (value) { return value.name; })
        .includes('data-ignore')) {
        return false;
    }
    var leftX = Math.max(selectionRect.left, child.offsetLeft + offsetX);
    var rightX = Math.min(selectionRect.left + selectionRect.width, child.offsetLeft + offsetX + child.offsetWidth);
    var topY = Math.max(selectionRect.top, child.offsetTop + offsetY);
    var bottomY = Math.min(selectionRect.top + selectionRect.height, child.offsetTop + offsetY + child.offsetHeight);
    return leftX < rightX && topY < bottomY;
};
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