loopback/lib/configure-shared-methods.js

81 lines
2.8 KiB
JavaScript

// Copyright IBM Corp. 2017,2019. All Rights Reserved.
// Node module: loopback
// This file is licensed under the MIT License.
// License text available at https://opensource.org/licenses/MIT
'use strict';
const util = require('util');
const extend = require('util')._extend;
const g = require('./globalize');
module.exports = function(modelCtor, remotingConfig, modelConfig) {
const settings = {};
// apply config.json settings
const configHasSharedMethodsSettings = remotingConfig &&
remotingConfig.sharedMethods &&
typeof remotingConfig.sharedMethods === 'object';
if (configHasSharedMethodsSettings)
util._extend(settings, remotingConfig.sharedMethods);
// apply model-config.json settings
const options = modelConfig.options;
const modelConfigHasSharedMethodsSettings = options &&
options.remoting &&
options.remoting.sharedMethods &&
typeof options.remoting.sharedMethods === 'object';
if (modelConfigHasSharedMethodsSettings)
util._extend(settings, options.remoting.sharedMethods);
// validate setting values
Object.keys(settings).forEach(function(setting) {
const settingValue = settings[setting];
const settingValueType = typeof settingValue;
if (settingValueType !== 'boolean')
throw new TypeError(g.f('Expected boolean, got %s', settingValueType));
});
// set sharedMethod.shared using the merged settings
const sharedMethods = modelCtor.sharedClass.methods({includeDisabled: true});
// re-map glob style values to regular expressions
const tests = Object
.keys(settings)
.filter(function(setting) {
return settings.hasOwnProperty(setting) && setting.indexOf('*') >= 0;
})
.map(function(setting) {
// Turn * into an testable regexp string
const glob = escapeRegExp(setting).replace(/\*/g, '(.)*');
return {regex: new RegExp(glob), setting: settings[setting]};
}) || [];
sharedMethods.forEach(function(sharedMethod) {
// use the specific setting if it exists
const methodName = sharedMethod.isStatic ? sharedMethod.name : 'prototype.' + sharedMethod.name;
const hasSpecificSetting = settings.hasOwnProperty(methodName);
if (hasSpecificSetting) {
if (settings[methodName] === false) {
sharedMethod.sharedClass.disableMethodByName(methodName);
} else {
sharedMethod.shared = true;
}
} else {
tests.forEach(function(glob) {
if (glob.regex.test(methodName)) {
if (glob.setting === false) {
sharedMethod.sharedClass.disableMethodByName(methodName);
} else {
sharedMethod.shared = true;
}
}
});
}
});
};
// Sanitize all RegExp reserved characters except * for pattern gobbing
function escapeRegExp(str) {
return str.replace(/[\-\[\]\/\{\}\(\)\+\?\.\\\^\$\|]/g, '\\$&');
}