23 lines
608 B
JavaScript
23 lines
608 B
JavaScript
'use strict'
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var cacheMiddleware = {
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cache: cache
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}
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function cache (cache) {
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return function (req, res, next) {
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// If we want explicitly a cache
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// Or if we don't specify if we want a cache or no and we are in production
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if (cache === true || (cache !== false && process.env.NODE_ENV === 'production')) {
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res.setHeader('Cache-Control', 'public')
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} else {
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res.setHeader('Cache-Control', 'no-cache, no-store, max-age=0, must-revalidate')
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}
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next()
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}
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}
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// ---------------------------------------------------------------------------
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module.exports = cacheMiddleware
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