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