1 | 'use strict';
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2 |
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3 | module.exports = function defFunc(ajv) {
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4 | defFunc.definition = {
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5 | type: 'object',
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6 | inline: function (it, keyword, schema) {
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7 | var expr = '';
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8 | for (var i=0; i<schema.length; i++) {
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9 | if (i) expr += ' && ';
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10 | expr += '(' + getData(schema[i], it.dataLevel) + ' !== undefined)';
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11 | }
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12 | return expr;
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13 | },
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14 | metaSchema: {
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15 | type: 'array',
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16 | items: {
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17 | type: 'string',
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18 | format: 'json-pointer'
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19 | }
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20 | }
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21 | };
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22 |
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23 | ajv.addKeyword('deepRequired', defFunc.definition);
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24 | return ajv;
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25 | };
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26 |
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27 |
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28 | function getData(jsonPointer, lvl) {
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29 | var data = 'data' + (lvl || '');
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30 | if (!jsonPointer) return data;
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31 |
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32 | var expr = data;
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33 | var segments = jsonPointer.split('/');
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34 | for (var i=1; i<segments.length; i++) {
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35 | var segment = segments[i];
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36 | data += getProperty(unescapeJsonPointer(segment));
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37 | expr += ' && ' + data;
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38 | }
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39 | return expr;
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40 | }
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41 |
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42 |
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43 | var IDENTIFIER = /^[a-z$_][a-z$_0-9]*$/i;
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44 | var INTEGER = /^[0-9]+$/;
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45 | var SINGLE_QUOTE = /'|\\/g;
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46 | function getProperty(key) {
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47 | return INTEGER.test(key)
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48 | ? '[' + key + ']'
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49 | : IDENTIFIER.test(key)
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50 | ? '.' + key
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51 | : "['" + key.replace(SINGLE_QUOTE, '\\$&') + "']";
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52 | }
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53 |
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54 |
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55 | function unescapeJsonPointer(str) {
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56 | return str.replace(/~1/g, '/').replace(/~0/g, '~');
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57 | }
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