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Never cache source files in dev mode

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Summary:
Some times chrome caches the output from metro bundler, meaning when developing, it uses old source files and your changes have no effect.
This fixes that by adding dont-cache to the headers of all files served.

Reviewed By: danielbuechele

Differential Revision: D12922357

fbshipit-source-id: 2c3bdf8fb60e4ec64ace2c21f6b1e4656f885339
This commit is contained in:
John Knox
2018-11-05 10:46:26 -08:00
committed by Facebook Github Bot
parent a0800b079a
commit ad98ba3235
1 changed files with 7 additions and 0 deletions
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7
scripts/start-dev-server.js
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@@ -79,6 +79,13 @@ function startAssetServer(port) {
next(); next();
}); });
app.use((req, res, next) => {
res.header('Cache-Control', 'private, no-cache, no-store, must-revalidate');
res.header('Expires', '-1');
res.header('Pragma', 'no-cache');
next();
});
app.get('/', (req, res) => { app.get('/', (req, res) => {
fs.readFile(path.join(STATIC_DIR, 'index.dev.html'), (err, content) => { fs.readFile(path.join(STATIC_DIR, 'index.dev.html'), (err, content) => {
res.end(content); res.end(content);