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Fix the unreachable unknown-database-type guard (#1091) #1092

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Fix the unreachable unknown-database-type guard (#1091) #1092

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5 changes: 4 additions & 1 deletion app/config.js
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Original file line number Diff line number Diff line change
Expand Up @@ -205,7 +205,10 @@ function getDatabaseConfig(dbType, isTesting) {
mysql: !isTesting ? getMysqlDefault : getMysqlTesting,
sqlite: getSqliteConfig,
}
if (!name in config) {
// note: hasOwn, not 'in': '!name in config' parses as '(!name) in config'
// which is always false; and plain 'in' would accept inherited keys
// like "toString" as database names.
if (!Object.hasOwn(config, name)) {
throw new Error(`unknown database type '${dbType}'`)
}
return {
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