@backland/schema
Version:
TypeScript schema declaration and validation library with static type inference
91 lines (90 loc) • 4.11 kB
JavaScript
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
import { expectedType } from '@backland/utils';
import { inspectObject } from '@backland/utils';
import { CircularDeps } from '../CircularDeps';
import { FieldType } from './FieldType';
var validKeyTypes = ['int', 'string', 'float'];
export class RecordField extends FieldType {
static is(input) {
return !!(input && typeof input === 'object' && input.__isRecordField);
}
//
constructor() {
var def = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {
keyType: 'string',
type: 'any'
};
super({
def: def,
name: 'record'
});
_defineProperty(this, "__isRecordField", true);
_defineProperty(this, "parse", void 0);
var {
parseObjectField
} = CircularDeps;
var parser;
try {
parser = parseObjectField("RecordField", (def === null || def === void 0 ? void 0 : def.type) || 'any', true);
} catch (e) {
e.message = "RecordField: failed to create parser for record values: ".concat(e.message, "\n").concat(inspectObject({
receivedDef: def
}, {
tabSize: 2
}));
e.stack = e.message;
throw e;
}
var keyParser;
try {
if (!validKeyTypes.includes(def.keyType)) {
throw new Error("keyType should be on of ".concat(validKeyTypes));
}
keyParser = parseObjectField('RecordFieldKey', def.keyType, true);
} catch (e) {
e.message = "RecordField: failed to create parser for record keys: ".concat(e.message, "\n").concat(inspectObject({
receivedDef: def
}, {
tabSize: 2
}));
e.stack = e.message;
throw e;
}
this.parse = this.applyParser({
parse: input => {
expectedType({
value: input
}, 'object');
var result = {};
var _loop = function _loop(key) {
keyParser.parse(key, (_, err) => {
return "Unexpected record key `".concat(key, "`. ").concat(err.message);
});
};
for (var key in input) {
_loop(key);
}
for (var _key in input) {
try {
result[_key] = parser.parse(input[_key]);
} catch (e) {
throw new Error("field '".concat(_key, "': ").concat(e.message));
}
}
return result;
}
});
}
}
_defineProperty(RecordField, "create", def => {
def = _objectSpread({
keyType: 'string',
type: 'any'
}, def);
return new RecordField(def);
});
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