Function serialize

form-persistence.js:74–119

* Serializes the given form into an object, excluding password and file inputs. * * @param {HTMLFormElement} form The form to serialize. * @param {Object} options Options object containing any of the following: * * include - Define a whitelist array of data names to

(form, options)

     * @return {Object} The serialized data object.
     */
    function serialize(form, options) {
        let defaults = {
            include: [],
            exclude: [],
            includeFilter: null,
            excludeFilter: null
        }
        let config = Object.assign({}, defaults, options)
        let data = {}
        for (let element of form.elements) {
            let tag = element.tagName
            let type = element.type
            if (tag === 'INPUT' && (type === 'password' || type === 'file')) {
                continue // do not serialize passwords or files
            }
            if (isNameFiltered(element.name, config.include, config.exclude)
                    || isElementFiltered(element, config.includeFilter, config.excludeFilter)) {
                continue
            }
            if (tag === 'INPUT') {
                let type = element.type
                if (type === 'radio') {
                    if (element.checked) {
                        pushToArray(data, element.name, element.value)
                    }
                } else if (type === 'checkbox') {
                    pushToArray(data, element.name, element.checked)
                } else {
                    pushToArray(data, element.name, element.value)
                }
            } else if (tag === 'TEXTAREA') {
                pushToArray(data, element.name, element.value)
            } else if (tag === 'SELECT') {
                if (element.multiple) {
                    for (let option of element.options) {
                        if (option.selected) {
                            pushToArray(data, element.name, option.value)
                        }
                    }
                } else {
                    pushToArray(data, element.name, element.value)
                }
            }
        }
        return data
    }

    /**
     * Add a value to an object, creating an array to place it in if needed.