map-transform/dist/utils/stateHelpers.js

Map and transform objects with mapping definitions

import xor from './xor.js';
export const getLastContext = (state) => state.context[state.context.length - 1];
export const removeLastContext = (state) => ({
    ...state,
    context: state.context.slice(0, -1),
});
export const pushContext = (state, value) => ({
    ...state,
    context: [...state.context, value],
});
export const popContext = (state) => ({
    ...state,
    context: state.context.slice(0, -1),
    value: state.context[state.context.length - 1],
});
export const getRootFromState = (state) => state.context.length === 0 ? state.value : state.context[0];
export const getTargetFromState = (state) => state.target;
export function setTargetOnState(state, target) {
    return {
        ...state,
        target,
    };
}
export const setStateValue = ({ untouched, ...state }, value, shouldPushContext = false) => shouldPushContext
    ? {
        ...pushContext(state, state.value),
        value,
    }
    : { ...state, value };
export const getStateValue = (state) => state.value;
export const setValueFromState = (state, { value }, shouldPushContext = false) => setStateValue(state, value, shouldPushContext);
export const isNonvalue = (value, nonvalues = [undefined]) => nonvalues.includes(value);
export const isNonvalueState = (state, nonvalues = [undefined]) => isNonvalue(state.value, nonvalues);
export const markAsUntouched = (state) => ({ ...state, untouched: true });
export const clearUntouched = ({ untouched, ...state }) => state;
export const isUntouched = ({ untouched }) => !!untouched;
export const populateState = (data, { rev = false, noDefaults = false, target = undefined }) => ({
    context: [],
    value: data,
    target,
    rev,
    noDefaults,
});
export const goForward = (state) => state.rev || state.flip
    ? {
        ...state,
        rev: false,
        flip: false,
    }
    : state;
export const flipState = (state, flip = true) => ({
    ...state,
    flip: xor(state.flip, flip),
});
export const stopIteration = (state) => ({ ...state, iterate: false });
export const noopNext = async (state) => state;
export const revFromState = (state, flip = false) => flip ? xor(state.rev, !state.flip) : xor(state.rev, state.flip);
//# sourceMappingURL=stateHelpers.js.map