Strings Operations

# vibe: 0.2

def normalize(text)
  text.strip.downcase
end

def split_tags(input)
  tags = normalize(input).split(",")
  tags = tags.map do |tag|
    tag.strip
  end
  tags.select do |tag|
    tag != ""
  end
end

def run
  sample = "  Vibescript Example  "
  indexed = "héllo hello"
  immutable = "  hello  "
  ids = "ID-12 ID-34"
  {
    normalized: normalize(sample),
    bytesize: "hé".bytesize,
    ord: "hé".ord,
    chr: "hé".chr,
    upper: sample.strip.upcase,
    lower: sample.strip.downcase,
    capitalize: "hÉLLo wORLD".capitalize,
    swapcase: "Hello VIBE".swapcase,
    reverse: "héllo".reverse,
    sub: "bananas".sub("na", "NA"),
    gsub: "bananas".gsub("na", "NA"),
    sub_regex: ids.sub("ID-[0-9]+", "X", regex: true),
    gsub_regex: ids.gsub("ID-[0-9]+", "X", regex: true),
    match: ids.match("ID-([0-9]+)"),
    scan: ids.scan("ID-[0-9]+"),
    strip_bang: immutable.strip!,
    strip_bang_nochange: "hello".strip!,
    squish: "  hello \n\t world  ".squish,
    squish_bang: "  hello \n\t world  ".squish!,
    template: "Player {{user.name}} scored {{user.score}}".template({ user: { name: "Alex", score: 42 } }),
    template_missing: "Hello {{missing}}".template({ name: "Alex" }),
    immutable_after: immutable,
    clear: "hello".clear,
    concat: "he".concat("llo", "!"),
    concat_noop: "hello".concat,
    replace: "old".replace("new"),
    sub_bang: "bananas".sub!("na", "NA"),
    gsub_bang: "bananas".gsub!("na", "NA"),
    lstrip: "  hello\t".lstrip,
    rstrip: "\thello  ".rstrip,
    chomp_default: "line\n".chomp,
    chomp_custom: "path///".chomp("/"),
    delete_prefix: "unhappy".delete_prefix("un"),
    delete_suffix: "report.csv".delete_suffix(".csv"),
    split_default: "one two  three".split,
    split_custom: "a,b,c".split(","),
    tags: split_tags(" Ruby, Go,  VibeScript  "),
    empty_true: "".empty?,
    empty_false: "x".empty?,
    starts: "vibescript".start_with?("vibe"),
    ends: "vibescript".end_with?("script"),
    include: indexed.include?("llo"),
    index: indexed.index("llo"),
    rindex: indexed.rindex("llo"),
    slice_char: indexed.slice(1),
    slice_range: indexed.slice(1, 4),
    length: "héllo".length
  }
end