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6 | var extend = require('extend');
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7 | var encode = require('ent/encode');
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8 | var CustomEvent = require('custom-event');
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9 | var voidElements = require('void-elements');
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10 |
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11 |
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12 |
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13 |
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14 |
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15 | exports = module.exports = serialize;
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16 | exports.serializeElement = serializeElement;
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17 | exports.serializeAttribute = serializeAttribute;
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18 | exports.serializeText = serializeText;
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19 | exports.serializeComment = serializeComment;
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20 | exports.serializeDocument = serializeDocument;
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21 | exports.serializeDoctype = serializeDoctype;
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22 | exports.serializeDocumentFragment = serializeDocumentFragment;
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23 | exports.serializeNodeList = serializeNodeList;
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24 |
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25 |
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26 |
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27 |
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28 |
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29 |
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30 |
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31 |
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32 |
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33 |
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34 |
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35 |
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36 | function serialize (node, context, fn, eventTarget) {
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37 | if (!node) return '';
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38 | if ('function' === typeof context) {
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39 | fn = context;
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40 | context = null;
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41 | }
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42 | if (!context) context = null;
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43 |
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44 | var rtn;
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45 | var nodeType = node.nodeType;
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46 |
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47 | if (!nodeType && 'number' === typeof node.length) {
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48 |
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49 | rtn = exports.serializeNodeList(node, context, fn);
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50 | } else {
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51 |
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52 | if ('function' === typeof fn) {
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53 |
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54 | node.addEventListener('serialize', fn, false);
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55 | }
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56 |
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57 |
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58 |
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59 | var e = new CustomEvent('serialize', {
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60 | bubbles: true,
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61 | cancelable: true,
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62 | detail: {
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63 | serialize: null,
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64 | context: context
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65 | }
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66 | });
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67 |
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68 | e.serializeTarget = node;
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69 |
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70 | var target = eventTarget || node;
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71 | var cancelled = !target.dispatchEvent(e);
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72 |
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73 |
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74 |
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75 |
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76 |
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77 | var s = e.detail.serialize;
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78 | if (s != null) {
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79 | if ('string' === typeof s) {
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80 | rtn = s;
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81 | } else if ('number' === typeof s.nodeType) {
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82 |
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83 | rtn = serialize(s, context, null, target);
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84 | } else {
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85 | rtn = String(s);
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86 | }
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87 | } else if (!cancelled) {
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88 |
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89 | switch (nodeType) {
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90 | case 1 :
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91 | rtn = exports.serializeElement(node, context, eventTarget);
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92 | break;
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93 | case 2 :
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94 | rtn = exports.serializeAttribute(node);
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95 | break;
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96 | case 3 :
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97 | rtn = exports.serializeText(node);
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98 | break;
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99 | case 8 :
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100 | rtn = exports.serializeComment(node);
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101 | break;
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102 | case 9 :
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103 | rtn = exports.serializeDocument(node, context, eventTarget);
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104 | break;
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105 | case 10 :
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106 | rtn = exports.serializeDoctype(node);
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107 | break;
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108 | case 11 :
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109 | rtn = exports.serializeDocumentFragment(node, context, eventTarget);
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110 | break;
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111 | }
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112 | }
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113 |
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114 | if ('function' === typeof fn) {
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115 | node.removeEventListener('serialize', fn, false);
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116 | }
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117 | }
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118 |
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119 | return rtn || '';
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120 | }
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121 |
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122 |
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123 |
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124 |
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125 |
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126 | function serializeAttribute (node, opts) {
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127 | return node.name + '="' + encode(node.value, extend({
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128 | named: true
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129 | }, opts)) + '"';
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130 | }
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131 |
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132 |
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133 |
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134 |
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135 |
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136 | function serializeElement (node, context, eventTarget) {
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137 | var c, i, l;
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138 | var name = node.nodeName.toLowerCase();
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139 |
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140 |
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141 | var r = '<' + name;
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142 |
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143 |
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144 | for (i = 0, c = node.attributes, l = c.length; i < l; i++) {
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145 | r += ' ' + exports.serializeAttribute(c[i]);
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146 | }
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147 |
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148 | r += '>';
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149 |
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150 |
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151 | r += exports.serializeNodeList(node.childNodes, context, null, eventTarget);
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152 |
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153 |
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154 | if (!voidElements[name]) {
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155 | r += '</' + name + '>';
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156 | }
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157 |
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158 | return r;
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159 | }
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160 |
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161 |
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162 |
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163 |
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164 |
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165 | function serializeText (node, opts) {
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166 | return encode(node.nodeValue, extend({
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167 | named: true,
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168 | special: { '<': true, '>': true, '&': true }
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169 | }, opts));
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170 | }
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171 |
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172 |
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173 |
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174 |
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175 |
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176 | function serializeComment (node) {
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177 | return '<!--' + node.nodeValue + '-->';
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178 | }
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179 |
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180 |
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181 |
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182 |
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183 |
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184 | function serializeDocument (node, context, eventTarget) {
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185 | return exports.serializeNodeList(node.childNodes, context, null, eventTarget);
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186 | }
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187 |
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188 |
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189 |
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190 |
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191 |
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192 |
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193 | function serializeDoctype (node) {
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194 | var r = '<!DOCTYPE ' + node.name;
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195 |
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196 | if (node.publicId) {
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197 | r += ' PUBLIC "' + node.publicId + '"';
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198 | }
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199 |
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200 | if (!node.publicId && node.systemId) {
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201 | r += ' SYSTEM';
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202 | }
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203 |
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204 | if (node.systemId) {
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205 | r += ' "' + node.systemId + '"';
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206 | }
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207 |
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208 | r += '>';
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209 | return r;
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210 | }
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211 |
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212 |
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213 |
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214 |
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215 |
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216 | function serializeDocumentFragment (node, context, eventTarget) {
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217 | return exports.serializeNodeList(node.childNodes, context, null, eventTarget);
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218 | }
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219 |
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220 |
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221 |
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222 |
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223 |
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224 | function serializeNodeList (list, context, fn, eventTarget) {
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225 | var r = '';
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226 | for (var i = 0, l = list.length; i < l; i++) {
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227 | r += serialize(list[i], context, fn, eventTarget);
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228 | }
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229 | return r;
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230 | }
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