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/**
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* --------------------------------------------------------------------------
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* Bootstrap util/config.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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* --------------------------------------------------------------------------
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*/
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import Manipulator from '../dom/manipulator'
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import { isElement, toType } from './index'
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/**
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* Class definition
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*/
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class Config {
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// Getters
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static get Default() {
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return {}
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}
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static get DefaultType() {
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return {}
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}
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static get NAME() {
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throw new Error('You have to implement the static method "NAME", for each component!')
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}
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_getConfig(config) {
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config = this._mergeConfigObj(config)
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config = this._configAfterMerge(config)
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this._typeCheckConfig(config)
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return config
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}
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_configAfterMerge(config) {
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return config
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}
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_mergeConfigObj(config, element) {
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const jsonConfig = isElement(element) ? Manipulator.getDataAttribute(element, 'config') : {} // try to parse
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return {
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...this.constructor.Default,
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...(typeof jsonConfig === 'object' ? jsonConfig : {}),
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...(isElement(element) ? Manipulator.getDataAttributes(element) : {}),
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...(typeof config === 'object' ? config : {})
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}
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}
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_typeCheckConfig(config, configTypes = this.constructor.DefaultType) {
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for (const [property, expectedTypes] of Object.entries(configTypes)) {
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const value = config[property]
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const valueType = isElement(value) ? 'element' : toType(value)
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if (!new RegExp(expectedTypes).test(valueType)) {
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throw new TypeError(
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`${this.constructor.NAME.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".`
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)
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}
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}
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}
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}
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export default Config
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