36 lines
989 B
Plaintext
36 lines
989 B
Plaintext
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/// Merge dictionaries together by recursively going through each key. Any
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/// non-dictionary keys will be overwritten by whichever value comes last.
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#let merge_dictionaries(
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/// When two array are found for the same key, merge them together.
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merge_arrays: true,
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..args,
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) = {
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let output = (:)
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for arg in args.pos() {
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assert.eq(type(arg), dictionary, message: "Can't merge non-dictionary types.")
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for (key, value) in arg {
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if key not in output {
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output.insert(key, value)
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continue
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}
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let value_type = type(value)
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let existing_type = type(output.at(key))
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if value_type == dictionary and existing_type == dictionary {
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output.at(key) = merge_dictionaries(output.at(key), value)
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} else if merge_arrays and value_type == array and existing_type == array {
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for item in value {
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output.at(key).push(item)
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}
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} else {
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output.at(key) = value
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}
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}
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}
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return output
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}
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