60 lines
1.8 KiB
JavaScript
60 lines
1.8 KiB
JavaScript
'use strict';
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var SCALAR_TYPES = ['number', 'integer', 'string', 'boolean', 'null'];
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module.exports = function defFunc(ajv) {
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defFunc.definition = {
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type: 'array',
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compile: function(keys, parentSchema, it) {
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var equal = it.util.equal;
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var scalar = getScalarKeys(keys, parentSchema);
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return function(data) {
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if (data.length > 1) {
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for (var k=0; k < keys.length; k++) {
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var i, key = keys[k];
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if (scalar[k]) {
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var hash = {};
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for (i = data.length; i--;) {
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if (!data[i] || typeof data[i] != 'object') continue;
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var prop = data[i][key];
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if (prop && typeof prop == 'object') continue;
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if (typeof prop == 'string') prop = '"' + prop;
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if (hash[prop]) return false;
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hash[prop] = true;
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}
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} else {
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for (i = data.length; i--;) {
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if (!data[i] || typeof data[i] != 'object') continue;
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for (var j = i; j--;) {
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if (data[j] && typeof data[j] == 'object' && equal(data[i][key], data[j][key]))
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return false;
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}
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}
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}
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}
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}
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return true;
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};
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},
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metaSchema: {
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type: 'array',
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items: {type: 'string'}
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}
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};
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ajv.addKeyword('uniqueItemProperties', defFunc.definition);
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return ajv;
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};
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function getScalarKeys(keys, schema) {
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return keys.map(function(key) {
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var properties = schema.items && schema.items.properties;
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var propType = properties && properties[key] && properties[key].type;
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return Array.isArray(propType)
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? propType.indexOf('object') < 0 && propType.indexOf('array') < 0
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: SCALAR_TYPES.indexOf(propType) >= 0;
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});
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}
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