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76 lines
1.7 KiB
JavaScript
76 lines
1.7 KiB
JavaScript
"use strict";
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/*
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* @poppinss/utils
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*
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* (c) Harminder Virk <virk@adonisjs.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ObjectBuilder = void 0;
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/**
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* A simple class to build an object incrementally. It is helpful when you
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* want to add properties to the object conditionally.
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*
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* Instead of writing
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* ```
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* const obj = {
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* ...(user.id ? { id: user.id } : {}),
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* ...(user.firstName && user.lastName ? { name: `${user.firstName} ${user.lastName}` } : {}),
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* }
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* ```
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*
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* You can write
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*
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* const obj = new ObjectBuilder()
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* .add('id', user.id)
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* .add(
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* 'fullName',
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* user.firstName && user.lastName ? `${user.firstName} ${user.lastName}` : undefined
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* )
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* .value
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*/
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class ObjectBuilder {
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constructor(ignoreNull) {
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this.ignoreNull = ignoreNull;
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this.value = {};
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}
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/**
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* Add value to the property.
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*
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* - Undefined values are ignored
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* - Null values are ignored, when `ignoreNull` is set to true
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*/
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add(key, value) {
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if (value === undefined) {
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return this;
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}
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if (this.ignoreNull === true && value === null) {
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return this;
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}
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this.value[key] = value;
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return this;
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}
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/**
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* Remove value from the object
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*/
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remove(key) {
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delete this.value[key];
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return this;
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}
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/**
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* Find if a value exists
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*/
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has(key) {
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return this.get(key) !== undefined;
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}
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/**
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* Get the existing value
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*/
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get(key) {
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return this.value[key];
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}
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}
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exports.ObjectBuilder = ObjectBuilder;
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