1 |
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2 | (function() {
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3 | "use strict";
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4 |
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5 | var desugarModel, getAllIndirectOwners, getAllOwners, _,
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6 | __slice = [].slice;
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7 |
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8 | _ = require('underscore');
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9 |
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10 | desugarModel = function(modelName, tgt, src, keys) {
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11 | return keys.forEach(function(key) {
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12 | var obj;
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13 | if (typeof src[key] === 'string') {
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14 | obj = {};
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15 | obj[key] = {
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16 | type: src[key]
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17 | };
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18 | return desugarModel(modelName, tgt, obj, [key]);
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19 | } else if (!(src[key].type != null)) {
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20 | throw new Error("must assign a type: " + key);
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21 | } else if (src[key].type === 'mixed') {
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22 | return tgt[key] = {
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23 | type: 'mixed'
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24 | };
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25 | } else if (src[key].type === 'nested') {
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26 | tgt[key] = {
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27 | type: 'nested'
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28 | };
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29 | return desugarModel(modelName, tgt[key], src[key], _.without(Object.keys(src[key]), 'type'));
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30 | } else if (_(['string', 'number', 'date', 'boolean']).contains(src[key].type)) {
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31 | tgt[key] = {
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32 | type: src[key].type,
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33 | required: !!src[key].required,
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34 | index: !!src[key].index,
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35 | unique: !!src[key].unique
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36 | };
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37 | if (src[key]["default"] != null) {
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38 | tgt[key]["default"] = src[key]["default"];
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39 | }
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40 | if (src[key].validate != null) {
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41 | return tgt[key].validate = src[key].validate;
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42 | }
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43 | } else if (src[key].type === 'hasOne') {
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44 | return tgt[key] = src[key];
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45 | } else if (src[key].type === 'hasMany') {
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46 | tgt[key] = src[key];
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47 | return tgt[key].inverseName = src[key].inverseName || key;
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48 | } else {
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49 | throw new Error("Invalid type: " + src[key].type);
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50 | }
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51 | });
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52 | };
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53 |
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54 | getAllOwners = function(specmodels, modelName) {
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55 | var indirect, owners;
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56 | owners = specmodels[modelName].owners;
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57 | indirect = _.values(owners).map(function(model) {
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58 | return getAllOwners(specmodels, model);
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59 | });
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60 | return _.extend.apply(_, [{}, owners].concat(__slice.call(indirect)));
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61 | };
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62 |
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63 | getAllIndirectOwners = function(specmodels, modelName) {
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64 | var indirect, owners;
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65 | owners = specmodels[modelName].owners;
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66 | indirect = _.flatten(_.values(owners).map(function(model) {
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67 | return getAllOwners(specmodels, model);
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68 | }));
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69 | return _.extend.apply(_, [{}].concat(__slice.call(indirect)));
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70 | };
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71 |
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72 | exports.desugar = function(models) {
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73 | var rest;
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74 | rest = {};
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75 | Object.keys(models).forEach(function(modelName) {
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76 | var inspec, spec;
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77 | spec = {};
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78 | inspec = models[modelName].fields || {};
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79 | desugarModel(modelName, spec, inspec, Object.keys(inspec));
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80 | rest[modelName] = _.extend({}, models[modelName], {
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81 | fields: spec
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82 | });
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83 | if (!rest[modelName].owners) {
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84 | return rest[modelName].owners = {};
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85 | }
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86 | });
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87 | Object.keys(rest).forEach(function(modelName) {
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88 | return rest[modelName].indirectOwners = getAllIndirectOwners(rest, modelName);
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89 | });
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90 | return rest;
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91 | };
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92 |
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93 | exports.getMeta = function(specmodels) {
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94 | var meta;
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95 | meta = {};
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96 | Object.keys(specmodels).forEach(function(modelName) {
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97 | var apa, otherMany, ownMany;
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98 | meta[modelName] = meta[modelName] || {};
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99 | meta[modelName].owners = _.pairs(specmodels[modelName].owners).map(function(_arg) {
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100 | var plur, sing;
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101 | sing = _arg[0], plur = _arg[1];
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102 | return {
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103 | sing: sing,
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104 | plur: plur
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105 | };
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106 | });
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107 | meta[modelName].fields = [
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108 | {
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109 | name: 'id',
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110 | readonly: true,
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111 | required: false,
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112 | type: 'string'
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113 | }
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114 | ];
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115 | meta[modelName].fields = meta[modelName].fields.concat(_.pairs(specmodels[modelName].fields).filter(function(_arg) {
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116 | var k, v;
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117 | k = _arg[0], v = _arg[1];
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118 | return v.type !== 'hasMany';
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119 | }).map(function(_arg) {
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120 | var k, v;
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121 | k = _arg[0], v = _arg[1];
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122 | return {
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123 | name: k,
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124 | readonly: k === '_id',
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125 | required: !!v.require,
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126 | type: v.type
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127 | };
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128 | }));
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129 | meta[modelName].fields = meta[modelName].fields.concat(_.pairs(specmodels[modelName].owners).map(function(_arg) {
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130 | var k, v;
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131 | k = _arg[0], v = _arg[1];
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132 | return {
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133 | name: k,
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134 | readonly: true,
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135 | required: true,
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136 | type: 'string'
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137 | };
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138 | }));
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139 | meta[modelName].fields = meta[modelName].fields.concat(_.pairs(specmodels[modelName].indirectOwners).map(function(_arg) {
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140 | var k, v;
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141 | k = _arg[0], v = _arg[1];
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142 | return {
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143 | name: k,
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144 | readonly: true,
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145 | required: true,
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146 | type: 'string'
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147 | };
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148 | }));
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149 | meta[modelName].fields = _.sortBy(meta[modelName].fields, function(x) {
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150 | return x.name;
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151 | });
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152 | apa = function(modelName) {
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153 | return _.pairs(specmodels[modelName].fields).filter(function(_arg) {
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154 | var key, value;
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155 | key = _arg[0], value = _arg[1];
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156 | return value.type === 'hasMany';
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157 | });
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158 | };
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159 | ownMany = apa(modelName).map(function(_arg) {
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160 | var k, v;
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161 | k = _arg[0], v = _arg[1];
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162 | return {
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163 | ref: v.model,
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164 | name: k,
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165 | inverseName: v.inverseName
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166 | };
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167 | });
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168 | otherMany = Object.keys(specmodels).map(function(mn) {
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169 | var fd;
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170 | fd = apa(mn).filter(function(_arg) {
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171 | var k, v;
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172 | k = _arg[0], v = _arg[1];
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173 | return v.model === modelName;
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174 | });
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175 | return fd.map(function(_arg) {
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176 | var k, v;
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177 | k = _arg[0], v = _arg[1];
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178 | return {
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179 | ref: mn,
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180 | name: v.inverseName,
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181 | inverseName: k
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182 | };
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183 | });
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184 | });
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185 | return meta[modelName].manyToMany = _.flatten(ownMany.concat(otherMany));
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186 | });
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187 | Object.keys(meta).forEach(function(metaName) {
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188 | return meta[metaName].owns = _.flatten(Object.keys(meta).map(function(mn) {
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189 | return meta[mn].owners.filter(function(x) {
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190 | return x.plur === metaName;
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191 | }).map(function(x) {
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192 | return {
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193 | name: mn,
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194 | field: x.sing
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195 | };
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196 | });
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197 | }));
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198 | });
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199 | return meta;
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200 | };
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201 |
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202 | }).call(this);
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