jsonbinpack
Version:
A space-efficient schema-driven binary JSON serialization format based on JSON Schema
109 lines (108 loc) • 4.28 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from) {
for (var i = 0, il = from.length, j = to.length; i < il; i++, j++)
to[j] = from[i];
return to;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.canonicalizeSchema = void 0;
var lodash_1 = require("lodash");
var SCHEMA_BOOLEAN_KEYS = ['type'];
var SCHEMA_INTEGER_KEYS = ['type', 'minimum', 'maximum', 'multipleOf'];
var SCHEMA_NUMBER_KEYS = ['type', 'maximum', 'minimum'];
var SCHEMA_STRING_KEYS = ['type', 'maxLength', 'minLength', 'format', 'contentMediaType'];
var SCHEMA_ARRAY_KEYS = ['type', 'maxItems', 'minItems', 'items', 'prefixItems'];
var SCHEMA_OBJECT_KEYS = ['type', 'additionalProperties', 'required', 'propertyNames', 'properties', 'maxProperties'];
var SCHEMA_KEYS = lodash_1.concat(SCHEMA_BOOLEAN_KEYS, SCHEMA_INTEGER_KEYS, SCHEMA_NUMBER_KEYS, SCHEMA_STRING_KEYS, SCHEMA_ARRAY_KEYS, SCHEMA_OBJECT_KEYS);
var canonicalizeSchema = function (schema) {
if (typeof schema === 'boolean') {
return {};
}
if (typeof schema.const !== 'undefined') {
return {
const: schema.const
};
}
else if (Array.isArray(schema.enum)) {
return {
enum: schema.enum
};
}
if (Array.isArray(schema.allOf)) {
return exports.canonicalizeSchema(lodash_1.merge.apply(void 0, __spreadArray([{}], __read(schema.allOf))));
}
else if (Array.isArray(schema.oneOf) || Array.isArray(schema.anyOf)) {
return schema;
}
if (Array.isArray(schema.type)) {
return {
anyOf: schema.type.map(function (type) {
return exports.canonicalizeSchema(__assign(__assign({}, schema), { type: type }));
})
};
}
switch (schema.type) {
case 'boolean': return lodash_1.pick(schema, SCHEMA_BOOLEAN_KEYS);
case 'integer': return lodash_1.pick(schema, SCHEMA_INTEGER_KEYS);
case 'null': return lodash_1.pick(schema, ['type']);
case 'number': return lodash_1.pick(schema, SCHEMA_NUMBER_KEYS);
case 'string':
if (typeof schema.format === 'string' &&
['iri', 'time'].includes(schema.format)) {
Reflect.deleteProperty(schema, 'format');
}
return lodash_1.pick(schema, SCHEMA_STRING_KEYS);
case 'array':
return lodash_1.pick(schema, SCHEMA_ARRAY_KEYS);
case 'object': return lodash_1.pick(schema, SCHEMA_OBJECT_KEYS);
default:
if (Object.keys(schema).length > 0) {
var result = Object.assign({}, lodash_1.pick(schema, SCHEMA_KEYS), {
type: [
'boolean',
'integer',
'null',
'number',
'string',
'array',
'object'
]
});
if (typeof schema.patternProperties !== 'undefined' &&
(typeof result.additionalProperties !== 'boolean' ||
!result.additionalProperties)) {
result.additionalProperties = true;
}
return exports.canonicalizeSchema(result);
}
return {};
}
};
exports.canonicalizeSchema = canonicalizeSchema;