91 lines
2.7 KiB
JavaScript
91 lines
2.7 KiB
JavaScript
import { mapValues, isString } from 'lodash';
|
|
import { mapState, mapActions } from 'vuex';
|
|
|
|
export const REQUIRE_STRING_ERROR_MESSAGE =
|
|
'`vuex_module_mappers` can only be used with an array of strings, or an object with string values. Consider using the regular `vuex` map helpers instead.';
|
|
|
|
const normalizeFieldsToObject = (fields) => {
|
|
return Array.isArray(fields)
|
|
? fields.reduce((acc, key) => Object.assign(acc, { [key]: key }), {})
|
|
: fields;
|
|
};
|
|
|
|
const mapVuexModuleFields = ({ namespaceSelector, fields, vuexHelper, selector } = {}) => {
|
|
// The `vuexHelper` needs an object which maps keys to field selector functions.
|
|
const map = mapValues(normalizeFieldsToObject(fields), (value) => {
|
|
if (!isString(value)) {
|
|
throw new Error(REQUIRE_STRING_ERROR_MESSAGE);
|
|
}
|
|
|
|
// We need to use a good ol' function to capture the right "this".
|
|
return function mappedFieldSelector(...args) {
|
|
const namespace = namespaceSelector(this);
|
|
|
|
return selector(namespace, value, ...args);
|
|
};
|
|
});
|
|
|
|
return vuexHelper(map);
|
|
};
|
|
|
|
/**
|
|
* Like `mapState`, but takes a function in the first param for selecting a namespace.
|
|
*
|
|
* ```
|
|
* computed: {
|
|
* ...mapVuexModuleState(vm => vm.vuexModule, ['foo']),
|
|
* }
|
|
* ```
|
|
*
|
|
* @param {Function} namespaceSelector
|
|
* @param {Array|Object} fields
|
|
*/
|
|
export const mapVuexModuleState = (namespaceSelector, fields) =>
|
|
mapVuexModuleFields({
|
|
namespaceSelector,
|
|
fields,
|
|
vuexHelper: mapState,
|
|
selector: (namespace, value, state) => state[namespace][value],
|
|
});
|
|
|
|
/**
|
|
* Like `mapActions`, but takes a function in the first param for selecting a namespace.
|
|
*
|
|
* ```
|
|
* methods: {
|
|
* ...mapVuexModuleActions(vm => vm.vuexModule, ['fetchFoos']),
|
|
* }
|
|
* ```
|
|
*
|
|
* @param {Function} namespaceSelector
|
|
* @param {Array|Object} fields
|
|
*/
|
|
export const mapVuexModuleActions = (namespaceSelector, fields) =>
|
|
mapVuexModuleFields({
|
|
namespaceSelector,
|
|
fields,
|
|
vuexHelper: mapActions,
|
|
selector: (namespace, value, dispatch, ...args) => dispatch(`${namespace}/${value}`, ...args),
|
|
});
|
|
|
|
/**
|
|
* Like `mapGetters`, but takes a function in the first param for selecting a namespace.
|
|
*
|
|
* ```
|
|
* computed: {
|
|
* ...mapGetters(vm => vm.vuexModule, ['hasSearchInfo']),
|
|
* }
|
|
* ```
|
|
*
|
|
* @param {Function} namespaceSelector
|
|
* @param {Array|Object} fields
|
|
*/
|
|
export const mapVuexModuleGetters = (namespaceSelector, fields) =>
|
|
mapVuexModuleFields({
|
|
namespaceSelector,
|
|
fields,
|
|
// `mapGetters` does not let us pass an object which maps to functions. Thankfully `mapState` does
|
|
// and gives us access to the getters.
|
|
vuexHelper: mapState,
|
|
selector: (namespace, value, state, getters) => getters[`${namespace}/${value}`],
|
|
});
|