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get item from localStorage only when the cache is enabled #351

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get item from localStorage only when the cache is enabled #351

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85 changes: 44 additions & 41 deletions lib/storage.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,59 +7,62 @@ const getData = (params, callback) => {
const renderedSteps = [steps[currentStep.id]];
const previousSteps = [steps[currentStep.id]];
const previousStep = {};
const unParsedCache = localStorage.getItem(cacheName);

if (cache && unParsedCache) {
try {
const data = parse(unParsedCache);
const lastStep = data.renderedSteps[data.renderedSteps.length - 1];

if (lastStep && lastStep.end) {
localStorage.removeItem(cacheName);
} else {
for (let i = 0, len = data.renderedSteps.length; i < len; i += 1) {
const renderedStep = data.renderedSteps[i];
// remove delay of cached rendered steps
data.renderedSteps[i].delay = 0;
// flag used to avoid call triggerNextStep in cached rendered steps
data.renderedSteps[i].rendered = true;
if (cache) {
const unParsedCache = localStorage.getItem(cacheName);
if (unParsedCache) {
try {
const data = parse(unParsedCache);
const lastStep = data.renderedSteps[data.renderedSteps.length - 1];

// an error is thrown when render a component from localStorage.
// So it's necessary reassing the component
if (renderedStep.component) {
const { id } = renderedStep;
data.renderedSteps[i].component = steps[id].component;
}
}
if (lastStep && lastStep.end) {
localStorage.removeItem(cacheName);
} else {
for (let i = 0, len = data.renderedSteps.length; i < len; i += 1) {
const renderedStep = data.renderedSteps[i];
// remove delay of cached rendered steps
data.renderedSteps[i].delay = 0;
// flag used to avoid call triggerNextStep in cached rendered steps
data.renderedSteps[i].rendered = true;

const { trigger, end, options } = data.currentStep;
const { id } = data.currentStep;
// an error is thrown when render a component from localStorage.
// So it's necessary reassing the component
if (renderedStep.component) {
const { id } = renderedStep;
data.renderedSteps[i].component = steps[id].component;
}
}

if (options) {
delete data.currentStep.rendered;
}
const { trigger, end, options } = data.currentStep;
const { id } = data.currentStep;

// add trigger function to current step
if (!trigger && !end) {
if (options) {
for (let i = 0; i < options.length; i += 1) {
data.currentStep.options[i].trigger = steps[id].options[i].trigger;
delete data.currentStep.rendered;
}

// add trigger function to current step
if (!trigger && !end) {
if (options) {
for (let i = 0; i < options.length; i += 1) {
data.currentStep.options[i].trigger = steps[id].options[i].trigger;
}
} else {
data.currentStep.trigger = steps[id].trigger;
}
} else {
data.currentStep.trigger = steps[id].trigger;
}
}

// execute callback function to enable input if last step is
// waiting user type
if (data.currentStep.user) {
callback();
}
// execute callback function to enable input if last step is
// waiting user type
if (data.currentStep.user) {
callback();
}

return data;
return data;
}
} catch (error) {
console.info(`Unable to parse cache named:${cacheName}. \nThe cache where probably created with an older version of react-simple-chatbot.\n`, error);
}
} catch (error) {
console.info(`Unable to parse cache named:${cacheName}. \nThe cache where probably created with an older version of react-simple-chatbot.\n`, error);
}
}

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