54 lines
1.6 KiB
JavaScript

'use strict';
const get = require('../get');
/*!
* Register methods for this model
*
* @param {Model} model
* @param {Schema} schema
*/
module.exports = function applyMethods(model, schema) {
function apply(method, schema) {
Object.defineProperty(model.prototype, method, {
get: function() {
const h = {};
for (const k in schema.methods[method]) {
h[k] = schema.methods[method][k].bind(this);
}
return h;
},
configurable: true
});
}
for (const method of Object.keys(schema.methods)) {
const fn = schema.methods[method];
if (schema.tree.hasOwnProperty(method)) {
throw new Error('You have a method and a property in your schema both ' +
'named "' + method + '"');
}
if (schema.reserved[method] &&
!get(schema, `methodOptions.${method}.suppressWarning`, false)) {
console.warn(`mongoose: the method name "${method}" is used by mongoose ` +
'internally, overwriting it may cause bugs. If you\'re sure you know ' +
'what you\'re doing, you can suppress this error by using ' +
`\`schema.method('${method}', fn, { suppressWarning: true })\`.`);
}
if (typeof fn === 'function') {
model.prototype[method] = fn;
} else {
apply(method, schema);
}
}
// Recursively call `applyMethods()` on child schemas
model.$appliedMethods = true;
for (let i = 0; i < schema.childSchemas.length; ++i) {
if (schema.childSchemas[i].model.$appliedMethods) {
continue;
}
applyMethods(schema.childSchemas[i].model, schema.childSchemas[i].schema);
}
};