44 lines
No EOL
1.5 KiB
JavaScript
44 lines
No EOL
1.5 KiB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
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export const DEFAULT_STEP_NAVIGATION = {
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hasNextStep: false,
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hasSeveralSteps: false,
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goToNextStep: () => {},
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areViewsInSameStep: () => true
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};
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/**
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* Create an object that determines whether there is a next step and allows to go to the next step.
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* @param {CreateStepNavigationParameters<TStep>} parameters The parameters of the createStepNavigation function
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* @returns {CreateStepNavigationReturnValue} The return value of the createStepNavigation function
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*/
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export function createStepNavigation(parameters) {
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const {
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steps,
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isViewMatchingStep,
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onStepChange
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} = parameters;
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return parametersBis => {
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if (steps == null) {
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return DEFAULT_STEP_NAVIGATION;
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}
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const currentStepIndex = steps.findIndex(step => isViewMatchingStep(parametersBis.view, step));
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const nextStep = currentStepIndex === -1 || currentStepIndex === steps.length - 1 ? null : steps[currentStepIndex + 1];
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return {
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hasNextStep: nextStep != null,
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hasSeveralSteps: steps.length > 1,
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goToNextStep: () => {
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if (nextStep == null) {
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return;
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}
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onStepChange(_extends({}, parametersBis, {
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step: nextStep
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}));
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},
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areViewsInSameStep: (viewA, viewB) => {
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const stepA = steps.find(step => isViewMatchingStep(viewA, step));
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const stepB = steps.find(step => isViewMatchingStep(viewB, step));
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return stepA === stepB;
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}
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};
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};
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} |