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node_modules/ajv-keywords/keywords/deepRequired.js 1.26 KB
aaac7fed   liuqimichale   add
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  'use strict';
  
  module.exports = function defFunc(ajv) {
    defFunc.definition = {
      type: 'object',
      inline: function (it, keyword, schema) {
        var expr = '';
        for (var i=0; i<schema.length; i++) {
          if (i) expr += ' && ';
          expr += '(' + getData(schema[i], it.dataLevel) + ' !== undefined)';
        }
        return expr;
      },
      metaSchema: {
        type: 'array',
        items: {
          type: 'string',
          format: 'json-pointer'
        }
      }
    };
  
    ajv.addKeyword('deepRequired', defFunc.definition);
    return ajv;
  };
  
  
  function getData(jsonPointer, lvl) {
    var data = 'data' + (lvl || '');
    if (!jsonPointer) return data;
  
    var expr = data;
    var segments = jsonPointer.split('/');
    for (var i=1; i<segments.length; i++) {
      var segment = segments[i];
      data += getProperty(unescapeJsonPointer(segment));
      expr += ' && ' + data;
    }
    return expr;
  }
  
  
  var IDENTIFIER = /^[a-z$_][a-z$_0-9]*$/i;
  var INTEGER = /^[0-9]+$/;
  var SINGLE_QUOTE = /'|\\/g;
  function getProperty(key) {
    return INTEGER.test(key)
            ? '[' + key + ']'
            : IDENTIFIER.test(key)
              ? '.' + key
              : "['" + key.replace(SINGLE_QUOTE, '\\$&') + "']";
  }
  
  
  function unescapeJsonPointer(str) {
    return str.replace(/~1/g, '/').replace(/~0/g, '~');
  }