1 | import { Container } from "./Container";
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2 | import { generatedAttribute } from "./Utils/Constants";
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3 | import { getRandom } from "../Utils/NumberUtils";
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4 | import { itemFromSingleOrMultiple } from "../Utils/Utils";
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5 | async function getDataFromUrl(jsonUrl, index) {
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6 | const url = itemFromSingleOrMultiple(jsonUrl, index);
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7 | if (!url) {
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8 | return;
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9 | }
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10 | const response = await fetch(url);
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11 | if (response.ok) {
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12 | return response.json();
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13 | }
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14 | console.error(`tsParticles - Error ${response.status} while retrieving config file`);
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15 | }
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16 | export class Loader {
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17 | constructor(engine) {
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18 | this._engine = engine;
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19 | }
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20 | load(tagId, options, index) {
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21 | const params = { index, remote: false };
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22 | if (typeof tagId === "string") {
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23 | params.tagId = tagId;
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24 | }
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25 | else {
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26 | params.options = tagId;
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27 | }
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28 | if (typeof options === "number") {
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29 | params.index = options;
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30 | }
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31 | else {
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32 | params.options = options !== null && options !== void 0 ? options : params.options;
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33 | }
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34 | return this.loadOptions(params);
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35 | }
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36 | async loadJSON(tagId, jsonUrl, index) {
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37 | let url, id;
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38 | if (typeof jsonUrl === "number" || jsonUrl === undefined) {
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39 | url = tagId;
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40 | }
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41 | else {
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42 | id = tagId;
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43 | url = jsonUrl;
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44 | }
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45 | return this.loadRemoteOptions({ tagId: id, url, index, remote: true });
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46 | }
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47 | async loadOptions(params) {
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48 | var _a, _b, _c;
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49 | const tagId = (_a = params.tagId) !== null && _a !== void 0 ? _a : `tsparticles${Math.floor(getRandom() * 10000)}`, { index, url: jsonUrl, remote } = params, options = remote ? await getDataFromUrl(jsonUrl, index) : params.options;
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50 | let domContainer = (_b = params.element) !== null && _b !== void 0 ? _b : document.getElementById(tagId);
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51 | if (!domContainer) {
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52 | domContainer = document.createElement("div");
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53 | domContainer.id = tagId;
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54 | (_c = document.querySelector("body")) === null || _c === void 0 ? void 0 : _c.append(domContainer);
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55 | }
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56 | const currentOptions = itemFromSingleOrMultiple(options, index), dom = this._engine.dom(), oldIndex = dom.findIndex((v) => v.id === tagId);
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57 | if (oldIndex >= 0) {
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58 | const old = this._engine.domItem(oldIndex);
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59 | if (old && !old.destroyed) {
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60 | old.destroy();
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61 | dom.splice(oldIndex, 1);
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62 | }
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63 | }
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64 | let canvasEl;
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65 | if (domContainer.tagName.toLowerCase() === "canvas") {
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66 | canvasEl = domContainer;
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67 | canvasEl.dataset[generatedAttribute] = "false";
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68 | }
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69 | else {
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70 | const existingCanvases = domContainer.getElementsByTagName("canvas");
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71 | if (existingCanvases.length) {
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72 | canvasEl = existingCanvases[0];
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73 | canvasEl.dataset[generatedAttribute] = "false";
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74 | }
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75 | else {
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76 | canvasEl = document.createElement("canvas");
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77 | canvasEl.dataset[generatedAttribute] = "true";
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78 | domContainer.appendChild(canvasEl);
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79 | }
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80 | }
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81 | if (!canvasEl.style.width) {
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82 | canvasEl.style.width = "100%";
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83 | }
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84 | if (!canvasEl.style.height) {
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85 | canvasEl.style.height = "100%";
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86 | }
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87 | const newItem = new Container(this._engine, tagId, currentOptions);
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88 | if (oldIndex >= 0) {
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89 | dom.splice(oldIndex, 0, newItem);
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90 | }
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91 | else {
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92 | dom.push(newItem);
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93 | }
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94 | newItem.canvas.loadCanvas(canvasEl);
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95 | await newItem.start();
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96 | return newItem;
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97 | }
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98 | async loadRemoteOptions(params) {
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99 | return this.loadOptions(params);
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100 | }
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101 | async set(id, domContainer, options, index) {
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102 | const params = { index, remote: false };
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103 | if (typeof id === "string") {
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104 | params.tagId = id;
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105 | }
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106 | else {
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107 | params.element = id;
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108 | }
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109 | if (domContainer instanceof HTMLElement) {
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110 | params.element = domContainer;
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111 | }
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112 | else {
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113 | params.options = domContainer;
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114 | }
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115 | if (typeof options === "number") {
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116 | params.index = options;
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117 | }
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118 | else {
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119 | params.options = options !== null && options !== void 0 ? options : params.options;
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120 | }
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121 | return this.loadOptions(params);
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122 | }
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123 | async setJSON(id, domContainer, jsonUrl, index) {
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124 | let url, newId, newIndex, element;
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125 | if (id instanceof HTMLElement) {
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126 | element = id;
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127 | url = domContainer;
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128 | newIndex = jsonUrl;
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129 | }
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130 | else {
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131 | newId = id;
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132 | element = domContainer;
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133 | url = jsonUrl;
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134 | newIndex = index;
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135 | }
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136 | return this.loadRemoteOptions({ tagId: newId, url, index: newIndex, element, remote: true });
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137 | }
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138 | }
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