1 | "use strict";
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | var snabbdom_1 = require("snabbdom");
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4 | var xstream_1 = require("xstream");
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5 | var concat_1 = require("xstream/extra/concat");
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6 | var sampleCombine_1 = require("xstream/extra/sampleCombine");
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7 | var MainDOMSource_1 = require("./MainDOMSource");
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8 | var VNodeWrapper_1 = require("./VNodeWrapper");
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9 | var utils_1 = require("./utils");
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10 | var modules_1 = require("./modules");
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11 | var IsolateModule_1 = require("./IsolateModule");
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12 | var EventDelegator_1 = require("./EventDelegator");
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13 | function makeDOMDriverInputGuard(modules) {
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14 | if (!Array.isArray(modules)) {
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15 | throw new Error("Optional modules option must be an array for snabbdom modules");
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16 | }
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17 | }
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18 | function domDriverInputGuard(view$) {
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19 | if (!view$ ||
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20 | typeof view$.addListener !== "function" ||
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21 | typeof view$.fold !== "function") {
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22 | throw new Error("The DOM driver function expects as input a Stream of " +
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23 | "virtual DOM elements");
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24 | }
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25 | }
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26 | function dropCompletion(input) {
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27 | return xstream_1.default.merge(input, xstream_1.default.never());
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28 | }
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29 | function unwrapElementFromVNode(vnode) {
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30 | return vnode.elm;
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31 | }
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32 | function defaultReportSnabbdomError(err) {
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33 | (console.error || console.log)(err);
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34 | }
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35 | function makeDOMReady$() {
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36 | return xstream_1.default.create({
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37 | start: function (lis) {
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38 | if (document.readyState === 'loading') {
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39 | document.addEventListener('readystatechange', function () {
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40 | var state = document.readyState;
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41 | if (state === 'interactive' || state === 'complete') {
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42 | lis.next(null);
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43 | lis.complete();
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44 | }
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45 | });
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46 | }
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47 | else {
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48 | lis.next(null);
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49 | lis.complete();
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50 | }
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51 | },
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52 | stop: function () { },
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53 | });
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54 | }
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55 | function addRootScope(vnode) {
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56 | vnode.data = vnode.data || {};
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57 | vnode.data.isolate = [];
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58 | return vnode;
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59 | }
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60 | function makeDOMDriver(container, options) {
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61 | if (options === void 0) { options = {}; }
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62 | utils_1.checkValidContainer(container);
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63 | var modules = options.modules || modules_1.default;
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64 | makeDOMDriverInputGuard(modules);
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65 | var isolateModule = new IsolateModule_1.IsolateModule();
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66 | var snabbdomOptions = options && options.snabbdomOptions || undefined;
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67 | var patch = snabbdom_1.init([isolateModule.createModule()].concat(modules), undefined, snabbdomOptions);
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68 | var domReady$ = makeDOMReady$();
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69 | var vnodeWrapper;
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70 | var mutationObserver;
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71 | var mutationConfirmed$ = xstream_1.default.create({
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72 | start: function (listener) {
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73 | mutationObserver = new MutationObserver(function () { return listener.next(null); });
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74 | },
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75 | stop: function () {
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76 | mutationObserver.disconnect();
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77 | },
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78 | });
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79 | function DOMDriver(vnode$, name) {
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80 | if (name === void 0) { name = 'DOM'; }
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81 | domDriverInputGuard(vnode$);
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82 | var sanitation$ = xstream_1.default.create();
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83 | var firstRoot$ = domReady$.map(function () {
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84 | var firstRoot = utils_1.getValidNode(container) || document.body;
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85 | vnodeWrapper = new VNodeWrapper_1.VNodeWrapper(firstRoot);
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86 | return firstRoot;
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87 | });
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88 |
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89 |
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90 |
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91 |
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92 |
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93 | var rememberedVNode$ = vnode$.remember();
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94 | rememberedVNode$.addListener({});
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95 |
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96 |
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97 | mutationConfirmed$.addListener({});
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98 | var elementAfterPatch$ = firstRoot$
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99 | .map(function (firstRoot) {
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100 | return xstream_1.default
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101 | .merge(rememberedVNode$.endWhen(sanitation$), sanitation$)
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102 | .map(function (vnode) { return vnodeWrapper.call(vnode); })
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103 | .startWith(addRootScope(snabbdom_1.toVNode(firstRoot)))
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104 | .fold(patch, snabbdom_1.toVNode(firstRoot))
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105 | .drop(1)
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106 | .map(unwrapElementFromVNode)
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107 | .startWith(firstRoot)
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108 | .map(function (el) {
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109 | mutationObserver.observe(el, {
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110 | childList: true,
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111 | attributes: true,
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112 | characterData: true,
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113 | subtree: true,
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114 | attributeOldValue: true,
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115 | characterDataOldValue: true,
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116 | });
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117 | return el;
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118 | })
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119 | .compose(dropCompletion);
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120 | }
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121 | )
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122 | .flatten();
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123 | var rootElement$ = concat_1.default(domReady$, mutationConfirmed$)
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124 | .endWhen(sanitation$)
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125 | .compose(sampleCombine_1.default(elementAfterPatch$))
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126 | .map(function (arr) { return arr[1]; })
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127 | .remember();
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128 |
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129 | rootElement$.addListener({
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130 | error: options.reportSnabbdomError || defaultReportSnabbdomError,
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131 | });
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132 | var delegator = new EventDelegator_1.EventDelegator(rootElement$, isolateModule);
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133 | return new MainDOMSource_1.MainDOMSource(rootElement$, sanitation$, [], isolateModule, delegator, name);
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134 | }
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135 | return DOMDriver;
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136 | }
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137 | exports.makeDOMDriver = makeDOMDriver;
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138 |
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