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230 lines
4.8 KiB
JavaScript

/*!
* Module dependencies.
*/
'use strict';
const SchemaType = require('../schematype');
const CastError = SchemaType.CastError;
const castDecimal128 = require('../cast/decimal128');
const utils = require('../utils');
const isBsonType = require('../helpers/isBsonType');
/**
* Decimal128 SchemaType constructor.
*
* @param {String} key
* @param {Object} options
* @inherits SchemaType
* @api public
*/
function Decimal128(key, options) {
SchemaType.call(this, key, options, 'Decimal128');
}
/**
* This schema type's name, to defend against minifiers that mangle
* function names.
*
* @api public
*/
Decimal128.schemaName = 'Decimal128';
Decimal128.defaultOptions = {};
/*!
* Inherits from SchemaType.
*/
Decimal128.prototype = Object.create(SchemaType.prototype);
Decimal128.prototype.constructor = Decimal128;
/*!
* ignore
*/
Decimal128._cast = castDecimal128;
/**
* Sets a default option for all Decimal128 instances.
*
* #### Example:
*
* // Make all decimal 128s have `required` of true by default.
* mongoose.Schema.Decimal128.set('required', true);
*
* const User = mongoose.model('User', new Schema({ test: mongoose.Decimal128 }));
* new User({ }).validateSync().errors.test.message; // Path `test` is required.
*
* @param {String} option The option you'd like to set the value for
* @param {Any} value value for option
* @return {undefined}
* @function set
* @static
* @api public
*/
Decimal128.set = SchemaType.set;
Decimal128.setters = [];
/**
* Attaches a getter for all Decimal128 instances
*
* #### Example:
*
* // Automatically convert Decimal128s to Numbers
* mongoose.Schema.Decimal128.get(v => v == null ? v : Number(v));
*
* @param {Function} getter
* @return {this}
* @function get
* @static
* @api public
*/
Decimal128.get = SchemaType.get;
/**
* Get/set the function used to cast arbitrary values to decimals.
*
* #### Example:
*
* // Make Mongoose only refuse to cast numbers as decimal128
* const original = mongoose.Schema.Types.Decimal128.cast();
* mongoose.Decimal128.cast(v => {
* assert.ok(typeof v !== 'number');
* return original(v);
* });
*
* // Or disable casting entirely
* mongoose.Decimal128.cast(false);
*
* @param {Function} [caster]
* @return {Function}
* @function get
* @static
* @api public
*/
Decimal128.cast = function cast(caster) {
if (arguments.length === 0) {
return this._cast;
}
if (caster === false) {
caster = this._defaultCaster;
}
this._cast = caster;
return this._cast;
};
/*!
* ignore
*/
Decimal128._defaultCaster = v => {
if (v != null && !isBsonType(v, 'Decimal128')) {
throw new Error();
}
return v;
};
/*!
* ignore
*/
Decimal128._checkRequired = v => isBsonType(v, 'Decimal128');
/**
* Override the function the required validator uses to check whether a string
* passes the `required` check.
*
* @param {Function} fn
* @return {Function}
* @function checkRequired
* @static
* @api public
*/
Decimal128.checkRequired = SchemaType.checkRequired;
/**
* Check if the given value satisfies a required validator.
*
* @param {Any} value
* @param {Document} doc
* @return {Boolean}
* @api public
*/
Decimal128.prototype.checkRequired = function checkRequired(value, doc) {
if (SchemaType._isRef(this, value, doc, true)) {
return !!value;
}
// `require('util').inherits()` does **not** copy static properties, and
// plugins like mongoose-float use `inherits()` for pre-ES6.
const _checkRequired = typeof this.constructor.checkRequired === 'function' ?
this.constructor.checkRequired() :
Decimal128.checkRequired();
return _checkRequired(value);
};
/**
* Casts to Decimal128
*
* @param {Object} value
* @param {Object} doc
* @param {Boolean} init whether this is an initialization cast
* @api private
*/
Decimal128.prototype.cast = function(value, doc, init) {
if (SchemaType._isRef(this, value, doc, init)) {
if (isBsonType(value, 'Decimal128')) {
return value;
}
return this._castRef(value, doc, init);
}
let castDecimal128;
if (typeof this._castFunction === 'function') {
castDecimal128 = this._castFunction;
} else if (typeof this.constructor.cast === 'function') {
castDecimal128 = this.constructor.cast();
} else {
castDecimal128 = Decimal128.cast();
}
try {
return castDecimal128(value);
} catch (error) {
throw new CastError('Decimal128', value, this.path, error, this);
}
};
/*!
* ignore
*/
function handleSingle(val) {
return this.cast(val);
}
Decimal128.prototype.$conditionalHandlers =
utils.options(SchemaType.prototype.$conditionalHandlers, {
$gt: handleSingle,
$gte: handleSingle,
$lt: handleSingle,
$lte: handleSingle
});
/*!
* Module exports.
*/
module.exports = Decimal128;