add hw2

node_modules/html-to-image/lib/clone-node.js

@@ -0,0 +1,289 @@
+"use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __generator = (this && this.__generator) || function (thisArg, body) {
+    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
+    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
+    function verb(n) { return function (v) { return step([n, v]); }; }
+    function step(op) {
+        if (f) throw new TypeError("Generator is already executing.");
+        while (g && (g = 0, op[0] && (_ = 0)), _) try {
+            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
+            if (y = 0, t) op = [op[0] & 2, t.value];
+            switch (op[0]) {
+                case 0: case 1: t = op; break;
+                case 4: _.label++; return { value: op[1], done: false };
+                case 5: _.label++; y = op[1]; op = [0]; continue;
+                case 7: op = _.ops.pop(); _.trys.pop(); continue;
+                default:
+                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
+                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
+                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
+                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
+                    if (t[2]) _.ops.pop();
+                    _.trys.pop(); continue;
+            }
+            op = body.call(thisArg, _);
+        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
+        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
+    }
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.cloneNode = void 0;
+var clone_pseudos_1 = require("./clone-pseudos");
+var util_1 = require("./util");
+var mimes_1 = require("./mimes");
+var dataurl_1 = require("./dataurl");
+function cloneCanvasElement(canvas) {
+    return __awaiter(this, void 0, void 0, function () {
+        var dataURL;
+        return __generator(this, function (_a) {
+            dataURL = canvas.toDataURL();
+            if (dataURL === 'data:,') {
+                return [2 /*return*/, canvas.cloneNode(false)];
+            }
+            return [2 /*return*/, (0, util_1.createImage)(dataURL)];
+        });
+    });
+}
+function cloneVideoElement(video, options) {
+    return __awaiter(this, void 0, void 0, function () {
+        var canvas, ctx, dataURL_1, poster, contentType, dataURL;
+        return __generator(this, function (_a) {
+            switch (_a.label) {
+                case 0:
+                    if (video.currentSrc) {
+                        canvas = document.createElement('canvas');
+                        ctx = canvas.getContext('2d');
+                        canvas.width = video.clientWidth;
+                        canvas.height = video.clientHeight;
+                        ctx === null || ctx === void 0 ? void 0 : ctx.drawImage(video, 0, 0, canvas.width, canvas.height);
+                        dataURL_1 = canvas.toDataURL();
+                        return [2 /*return*/, (0, util_1.createImage)(dataURL_1)];
+                    }
+                    poster = video.poster;
+                    contentType = (0, mimes_1.getMimeType)(poster);
+                    return [4 /*yield*/, (0, dataurl_1.resourceToDataURL)(poster, contentType, options)];
+                case 1:
+                    dataURL = _a.sent();
+                    return [2 /*return*/, (0, util_1.createImage)(dataURL)];
+            }
+        });
+    });
+}
+function cloneIFrameElement(iframe, options) {
+    var _a;
+    return __awaiter(this, void 0, void 0, function () {
+        var _b;
+        return __generator(this, function (_c) {
+            switch (_c.label) {
+                case 0:
+                    _c.trys.push([0, 3, , 4]);
+                    if (!((_a = iframe === null || iframe === void 0 ? void 0 : iframe.contentDocument) === null || _a === void 0 ? void 0 : _a.body)) return [3 /*break*/, 2];
+                    return [4 /*yield*/, cloneNode(iframe.contentDocument.body, options, true)];
+                case 1: return [2 /*return*/, (_c.sent())];
+                case 2: return [3 /*break*/, 4];
+                case 3:
+                    _b = _c.sent();
+                    return [3 /*break*/, 4];
+                case 4: return [2 /*return*/, iframe.cloneNode(false)];
+            }
+        });
+    });
+}
+function cloneSingleNode(node, options) {
+    return __awaiter(this, void 0, void 0, function () {
+        return __generator(this, function (_a) {
+            if ((0, util_1.isInstanceOfElement)(node, HTMLCanvasElement)) {
+                return [2 /*return*/, cloneCanvasElement(node)];
+            }
+            if ((0, util_1.isInstanceOfElement)(node, HTMLVideoElement)) {
+                return [2 /*return*/, cloneVideoElement(node, options)];
+            }
+            if ((0, util_1.isInstanceOfElement)(node, HTMLIFrameElement)) {
+                return [2 /*return*/, cloneIFrameElement(node, options)];
+            }
+            return [2 /*return*/, node.cloneNode(isSVGElement(node))];
+        });
+    });
+}
+var isSlotElement = function (node) {
+    return node.tagName != null && node.tagName.toUpperCase() === 'SLOT';
+};
+var isSVGElement = function (node) {
+    return node.tagName != null && node.tagName.toUpperCase() === 'SVG';
+};
+function cloneChildren(nativeNode, clonedNode, options) {
+    var _a, _b;
+    return __awaiter(this, void 0, void 0, function () {
+        var children;
+        return __generator(this, function (_c) {
+            switch (_c.label) {
+                case 0:
+                    if (isSVGElement(clonedNode)) {
+                        return [2 /*return*/, clonedNode];
+                    }
+                    children = [];
+                    if (isSlotElement(nativeNode) && nativeNode.assignedNodes) {
+                        children = (0, util_1.toArray)(nativeNode.assignedNodes());
+                    }
+                    else if ((0, util_1.isInstanceOfElement)(nativeNode, HTMLIFrameElement) &&
+                        ((_a = nativeNode.contentDocument) === null || _a === void 0 ? void 0 : _a.body)) {
+                        children = (0, util_1.toArray)(nativeNode.contentDocument.body.childNodes);
+                    }
+                    else {
+                        children = (0, util_1.toArray)(((_b = nativeNode.shadowRoot) !== null && _b !== void 0 ? _b : nativeNode).childNodes);
+                    }
+                    if (children.length === 0 ||
+                        (0, util_1.isInstanceOfElement)(nativeNode, HTMLVideoElement)) {
+                        return [2 /*return*/, clonedNode];
+                    }
+                    return [4 /*yield*/, children.reduce(function (deferred, child) {
+                            return deferred
+                                .then(function () { return cloneNode(child, options); })
+                                .then(function (clonedChild) {
+                                if (clonedChild) {
+                                    clonedNode.appendChild(clonedChild);
+                                }
+                            });
+                        }, Promise.resolve())];
+                case 1:
+                    _c.sent();
+                    return [2 /*return*/, clonedNode];
+            }
+        });
+    });
+}
+function cloneCSSStyle(nativeNode, clonedNode, options) {
+    var targetStyle = clonedNode.style;
+    if (!targetStyle) {
+        return;
+    }
+    var sourceStyle = window.getComputedStyle(nativeNode);
+    if (sourceStyle.cssText) {
+        targetStyle.cssText = sourceStyle.cssText;
+        targetStyle.transformOrigin = sourceStyle.transformOrigin;
+    }
+    else {
+        (0, util_1.getStyleProperties)(options).forEach(function (name) {
+            var value = sourceStyle.getPropertyValue(name);
+            if (name === 'font-size' && value.endsWith('px')) {
+                var reducedFont = Math.floor(parseFloat(value.substring(0, value.length - 2))) - 0.1;
+                value = "".concat(reducedFont, "px");
+            }
+            if ((0, util_1.isInstanceOfElement)(nativeNode, HTMLIFrameElement) &&
+                name === 'display' &&
+                value === 'inline') {
+                value = 'block';
+            }
+            if (name === 'd' && clonedNode.getAttribute('d')) {
+                value = "path(".concat(clonedNode.getAttribute('d'), ")");
+            }
+            targetStyle.setProperty(name, value, sourceStyle.getPropertyPriority(name));
+        });
+    }
+}
+function cloneInputValue(nativeNode, clonedNode) {
+    if ((0, util_1.isInstanceOfElement)(nativeNode, HTMLTextAreaElement)) {
+        clonedNode.innerHTML = nativeNode.value;
+    }
+    if ((0, util_1.isInstanceOfElement)(nativeNode, HTMLInputElement)) {
+        clonedNode.setAttribute('value', nativeNode.value);
+    }
+}
+function cloneSelectValue(nativeNode, clonedNode) {
+    if ((0, util_1.isInstanceOfElement)(nativeNode, HTMLSelectElement)) {
+        var clonedSelect = clonedNode;
+        var selectedOption = Array.from(clonedSelect.children).find(function (child) { return nativeNode.value === child.getAttribute('value'); });
+        if (selectedOption) {
+            selectedOption.setAttribute('selected', '');
+        }
+    }
+}
+function decorate(nativeNode, clonedNode, options) {
+    if ((0, util_1.isInstanceOfElement)(clonedNode, Element)) {
+        cloneCSSStyle(nativeNode, clonedNode, options);
+        (0, clone_pseudos_1.clonePseudoElements)(nativeNode, clonedNode, options);
+        cloneInputValue(nativeNode, clonedNode);
+        cloneSelectValue(nativeNode, clonedNode);
+    }
+    return clonedNode;
+}
+function ensureSVGSymbols(clone, options) {
+    return __awaiter(this, void 0, void 0, function () {
+        var uses, processedDefs, i, use, id, exist, definition, _a, _b, nodes, ns, svg, defs, i;
+        return __generator(this, function (_c) {
+            switch (_c.label) {
+                case 0:
+                    uses = clone.querySelectorAll ? clone.querySelectorAll('use') : [];
+                    if (uses.length === 0) {
+                        return [2 /*return*/, clone];
+                    }
+                    processedDefs = {};
+                    i = 0;
+                    _c.label = 1;
+                case 1:
+                    if (!(i < uses.length)) return [3 /*break*/, 4];
+                    use = uses[i];
+                    id = use.getAttribute('xlink:href');
+                    if (!id) return [3 /*break*/, 3];
+                    exist = clone.querySelector(id);
+                    definition = document.querySelector(id);
+                    if (!(!exist && definition && !processedDefs[id])) return [3 /*break*/, 3];
+                    // eslint-disable-next-line no-await-in-loop
+                    _a = processedDefs;
+                    _b = id;
+                    return [4 /*yield*/, cloneNode(definition, options, true)];
+                case 2:
+                    // eslint-disable-next-line no-await-in-loop
+                    _a[_b] = (_c.sent());
+                    _c.label = 3;
+                case 3:
+                    i++;
+                    return [3 /*break*/, 1];
+                case 4:
+                    nodes = Object.values(processedDefs);
+                    if (nodes.length) {
+                        ns = 'http://www.w3.org/1999/xhtml';
+                        svg = document.createElementNS(ns, 'svg');
+                        svg.setAttribute('xmlns', ns);
+                        svg.style.position = 'absolute';
+                        svg.style.width = '0';
+                        svg.style.height = '0';
+                        svg.style.overflow = 'hidden';
+                        svg.style.display = 'none';
+                        defs = document.createElementNS(ns, 'defs');
+                        svg.appendChild(defs);
+                        for (i = 0; i < nodes.length; i++) {
+                            defs.appendChild(nodes[i]);
+                        }
+                        clone.appendChild(svg);
+                    }
+                    return [2 /*return*/, clone];
+            }
+        });
+    });
+}
+function cloneNode(node, options, isRoot) {
+    return __awaiter(this, void 0, void 0, function () {
+        return __generator(this, function (_a) {
+            if (!isRoot && options.filter && !options.filter(node)) {
+                return [2 /*return*/, null];
+            }
+            return [2 /*return*/, Promise.resolve(node)
+                    .then(function (clonedNode) { return cloneSingleNode(clonedNode, options); })
+                    .then(function (clonedNode) { return cloneChildren(node, clonedNode, options); })
+                    .then(function (clonedNode) { return decorate(node, clonedNode, options); })
+                    .then(function (clonedNode) { return ensureSVGSymbols(clonedNode, options); })];
+        });
+    });
+}
+exports.cloneNode = cloneNode;
+//# sourceMappingURL=clone-node.js.map