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71 lines
2.2 KiB
JavaScript
71 lines
2.2 KiB
JavaScript
10 months ago
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'use strict';
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const get = require('../get');
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const utils = require('../../utils');
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/**
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* Register methods for this model
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*
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* @param {Model} model
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* @param {Schema} schema
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* @api private
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*/
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module.exports = function applyMethods(model, schema) {
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const Model = require('../../model');
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function apply(method, schema) {
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Object.defineProperty(model.prototype, method, {
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get: function() {
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const h = {};
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for (const k in schema.methods[method]) {
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h[k] = schema.methods[method][k].bind(this);
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}
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return h;
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},
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configurable: true
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});
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}
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for (const method of Object.keys(schema.methods)) {
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const fn = schema.methods[method];
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if (schema.tree.hasOwnProperty(method)) {
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throw new Error('You have a method and a property in your schema both ' +
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'named "' + method + '"');
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}
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// Avoid making custom methods if user sets a method to itself, e.g.
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// `schema.method(save, Document.prototype.save)`. Can happen when
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// calling `loadClass()` with a class that `extends Document`. See gh-12254
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if (typeof fn === 'function' &&
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Model.prototype[method] === fn) {
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delete schema.methods[method];
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continue;
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}
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if (schema.reserved[method] &&
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!get(schema, `methodOptions.${method}.suppressWarning`, false)) {
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utils.warn(`mongoose: the method name "${method}" is used by mongoose ` +
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'internally, overwriting it may cause bugs. If you\'re sure you know ' +
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'what you\'re doing, you can suppress this error by using ' +
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`\`schema.method('${method}', fn, { suppressWarning: true })\`.`);
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}
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if (typeof fn === 'function') {
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model.prototype[method] = fn;
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} else {
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apply(method, schema);
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}
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}
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// Recursively call `applyMethods()` on child schemas
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model.$appliedMethods = true;
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for (const key of Object.keys(schema.paths)) {
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const type = schema.paths[key];
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if (type.$isSingleNested && !type.caster.$appliedMethods) {
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applyMethods(type.caster, type.schema);
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}
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if (type.$isMongooseDocumentArray && !type.Constructor.$appliedMethods) {
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applyMethods(type.Constructor, type.schema);
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}
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}
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};
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