lib/js/src/dom/manipulator.js

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v5.1.3): dom/manipulator.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
 * --------------------------------------------------------------------------
 */

function normalizeData(val) {
    if (val === 'true') {
        return true
    }

    if (val === 'false') {
        return false
    }

    if (val === Number(val).toString()) {
        return Number(val)
    }

    if (val === '' || val === 'null') {
        return null
    }

    return val
}

function normalizeDataKey(key) {
    return key.replace(/[A-Z]/g, chr => `-${chr.toLowerCase()}`)
}

const Manipulator = {
    setDataAttribute(element, key, value) {
        element.setAttribute(`data-bs-${normalizeDataKey(key)}`, value)
    },

    removeDataAttribute(element, key) {
        element.removeAttribute(`data-bs-${normalizeDataKey(key)}`)
    },

    getDataAttributes(element) {
        if (!element) {
            return {}
        }

        const attributes = {}

        Object.keys(element.dataset)
            .filter(key => key.startsWith('bs'))
            .forEach(key => {
                let pureKey = key.replace(/^bs/, '')
                pureKey = pureKey.charAt(0).toLowerCase() + pureKey.slice(1, pureKey.length)
                attributes[pureKey] = normalizeData(element.dataset[key])
            })

        return attributes
    },

    getDataAttribute(element, key) {
        return normalizeData(element.getAttribute(`data-bs-${normalizeDataKey(key)}`))
    },

    offset(element) {
        const rect = element.getBoundingClientRect()

        return {
            top: rect.top + window.pageYOffset,
            left: rect.left + window.pageXOffset
        }
    },

    position(element) {
        return {
            top: element.offsetTop,
            left: element.offsetLeft
        }
    }
}

export default Manipulator