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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | 1x 1x 1x 1x 1x 14x 14x 30x 6x 6x 6x 10x 10x 6x 18x 14x 14x 1x 4x 4x 4x 4x 20x 20x 20x 16x 20x 1x 1x 4x | const Ajv = require('./ajv');
const addFormats = require('ajv-formats');
const ajv = new Ajv({allErrors: true, $data: true, useDefaults: true, strict: false});
addFormats(ajv);
const decorateSchema = originalSchema => {
const schema = {...originalSchema};
Object.keys(schema).forEach(key => {
switch (key) {
case 'required':
Iif (typeof schema.required === 'boolean') {
schema['x-required'] = schema.required; // json schema 4 support
delete schema.required;
}
break;
case 'properties':
schema.properties = Object.entries(schema.properties).reduce((all, [key, value]) => {
all[key] = decorateSchema(value);
return all;
}, {});
break;
case 'items':
case 'not':
schema[key] = decorateSchema(schema[key]);
break;
case 'oneOf':
case 'allOf':
case 'anyOf':
schema[key] = schema[key].map(decorateSchema);
break;
default:
break;
}
});
Iif (schema['x-nullable'] === true) {
return {
oneOf: [
schema,
{ type: 'null' }
]
};
}
return schema;
};
const getValidationHandler = originalSchema => {
const schema = decorateSchema(originalSchema);
schema.$async = true;
const validate = ajv.compile(schema);
return async value => {
const validation = {result: value};
try {
await validate(value);
} catch (e) {
validation.error = e;
}
return validation;
};
};
const collectionFormats = {
csv: ',',
ssv: ' ',
tsv: '\t',
pipes: '|'
};
module.exports = {
empty: () => {
return getValidationHandler({
oneOf: [
{
type: 'null'
},
{
type: 'string',
maxLength: 0
},
{
type: 'object',
additionalProperties: false,
properties: {}
}
]
});
},
file: schema => {
return getValidationHandler({
in: schema.in,
name: schema.name,
description: schema.description,
required: schema.required,
'x-file': true
});
},
json: schema => {
return getValidationHandler(schema);
},
primitive: schema => {
const validate = getValidationHandler(schema);
return value => { // normalize value
if (typeof value !== 'undefined') {
switch (schema.type) {
case 'number':
case 'integer':
if (!isNaN(value)) {
value = +value;
}
break;
case 'boolean':
if (value === 'true') {
value = true;
} else if (value === 'false') {
value = false;
}
break;
case 'array':
if (!Array.isArray(value)) {
const format = collectionFormats[schema.collectionFormat || 'csv'];
value = format ? String(value).split(format) : [value];
}
switch (schema.items.type) {
case 'number':
case 'integer':
value = value.map(v => isNaN(v) ? v : +v);
break;
case 'boolean':
value = value.map(v => v === 'true' ? true : v === 'false' ? false : v);
break;
default:
break;
}
break;
default:
break;
}
} else if (!schema.required) {
return { result: value };
}
return validate(value);
};
}
};
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