39 lines
1.3 KiB
Typst
39 lines
1.3 KiB
Typst
// Returns the provided value if it is not none, otherwise returns the default value
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// Parameters:
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// val: The value to check
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// default: The fallback value to use if val is none
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// Returns: val if not none, otherwise default
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#let __default(val, default) = if val == none { default } else { val }
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// Converts an English word to its plural form following standard English pluralization rules
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// Parameters:
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// word: The singular word to pluralize
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// Returns: The pluralized form of the word, or none if input is none
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#let __pluralize(word) = {
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// early exit with invalid input
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if word == none {
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return none
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}
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// Define helper functions for checking endings
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let ends_with = (suffix) => lower(word).ends-with(suffix)
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let ends_with_any = (suffixes) => suffixes.any((suffix) => ends_with(suffix))
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// Handle special cases for "es" endings (s, x, z, sh, ch)
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if ends_with_any(( "s", "x", "z", "sh", "ch" )) {
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word + "es"
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} else if ends_with("y") and not ends_with_any(( "a", "e", "i", "o", "u" )) {
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// Convert y to ies when y follows a consonant
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word.slice(0, -1) + "ies"
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} else if ends_with("f") {
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// Convert f to ves
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word.slice(0, -1) + "ves"
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} else if ends_with("fe") {
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// Convert fe to ves
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word.slice(0, -2) + "ves"
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} else {
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// Default case: just add s
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word + "s"
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}
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}
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