27 lines
1.2 KiB
Text
27 lines
1.2 KiB
Text
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# Configuration merging helper functions
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# NUSHELL 0.109 COMPLIANT - Using reduce --fold (Rule 3), no mutable variables
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# Deep merge two configuration records (right takes precedence)
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# Uses reduce --fold instead of mutable variables (Nushell 0.109 Rule 3)
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export def deep-merge [
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base: record
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override: record
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]: record -> record {
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$override | columns | reduce --fold $base {|key, result|
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let override_value = ($override | get $key)
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let base_result = (do { $base | get $key } | complete)
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let base_value = if $base_result.exit_code == 0 { $base_result.stdout } else { null }
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if ($base_value | is-empty) {
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# Key doesn't exist in base, add it
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($result | insert $key $override_value)
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} else if (($base_value | describe) | str starts-with "record") and (($override_value | describe) | str starts-with "record") {
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# Both are records, merge recursively (Nushell Rule 1: type detection via describe)
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($result | upsert $key (deep-merge $base_value $override_value))
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} else {
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# Override the value
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($result | upsert $key $override_value)
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}
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}
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}
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