mirror of
https://github.com/MeshCore-Beacon/beacon-web.git
synced 2026-10-22 16:31:21 +00:00
30 lines
993 B
Bash
30 lines
993 B
Bash
#!/bin/sh
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set -e
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# Runtime config lives in /config.js (served no-cache), not the hashed bundle, so env changes take
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# effect on any restart and reach returning visitors. Empty values fall back to the app defaults.
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OUT="${BEACON_CONFIG_OUT:-/srv/config.js}"
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KEYS="VITE_API_BASE VITE_WS_URL VITE_MAP_CENTER VITE_MAP_ZOOM VITE_DISABLED_TABS VITE_ENABLED_THEMES VITE_APP_NAME VITE_SKIP_SPLASH VITE_BANNER"
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# Values are read from ENVIRON and JSON-escaped, so any character is safe.
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awk -v keys="$KEYS" 'BEGIN {
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for (i = 1; i < 32; i++) esc[sprintf("%c", i)] = sprintf("\\u%04x", i)
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esc["\\"] = "\\\\"
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esc["\""] = "\\\""
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n = split(keys, k, " ")
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printf "window.__BEACON_CONFIG__ = {"
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for (i = 1; i <= n; i++) {
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v = ENVIRON[k[i]]
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s = ""
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for (j = 1; j <= length(v); j++) {
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c = substr(v, j, 1)
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s = s ((c in esc) ? esc[c] : c)
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}
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printf "%s\n \"%s\": \"%s\"", (i > 1 ? "," : ""), k[i], s
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}
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printf "\n};\n"
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}' > "$OUT.tmp"
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mv "$OUT.tmp" "$OUT"
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exec "$@"
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