Add env var to allow external connections to npx gulp server
#20646
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Using `0.0.0.0` instead of `localhost` allows connecting from other devices, significantly simplifying testing on mobile devices. This is controlled by the `ANY_HOST` environment variable and not enabled by default, since allowing external connections comes with security implications (e.g. when on a public network without a properly configured firewall).
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calixteman
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Feb 10, 2026
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calixteman
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calixteman
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You can add an option to handle whatever host:
https://github.com/mozilla/pdf.js/blob/master/gulpfile.mjs#L2096-L2144
timvandermeij
approved these changes
Feb 12, 2026
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Using
0.0.0.0instead oflocalhostallows connecting from other devices, significantly simplifying testing on mobile devices.This is controlled by the
ANY_HOSTenvironment variable and not enabled by default, since allowing external connections comes with security implications (e.g. when on a public network without a properly configured firewall).