odin-javascript-exercises/node_modules/ajv-keywords/keywords/deepRequired.js

58 lines
1.3 KiB
JavaScript
Raw Normal View History

2017-12-15 10:56:14 -08:00
'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, '~');
}