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Allow --value
to pre-populate gum filter
(#113)
* Add --value option to filter command Modeled after fzf's --query option this allows the inital model to be prefiltered. Additionally, if the initial list, before being filtered by --value, is empty then treat this as an error. Filtering an empty list doesn't make sense. Co-authored-by: David Morgan <david_a_morgan@icloud.com>
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@ -1,6 +1,7 @@
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package filter
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import (
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"errors"
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"fmt"
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"os"
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"strings"
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@ -9,6 +10,7 @@ import (
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"github.com/charmbracelet/bubbles/textinput"
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"github.com/charmbracelet/bubbles/viewport"
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tea "github.com/charmbracelet/bubbletea"
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"github.com/sahilm/fuzzy"
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"github.com/charmbracelet/gum/internal/exit"
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"github.com/charmbracelet/gum/internal/files"
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@ -31,20 +33,35 @@ func (o Options) Run() error {
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var choices []string
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if input, _ := stdin.Read(); input != "" {
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choices = strings.Split(strings.TrimSpace(input), "\n")
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input = strings.TrimSpace(input)
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if input != "" {
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choices = strings.Split(input, "\n")
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}
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} else {
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choices = files.List()
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}
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if len(choices) == 0 {
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return errors.New("no options provided, see `gum filter --help`")
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}
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options := []tea.ProgramOption{tea.WithOutput(os.Stderr)}
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if o.Height == 0 {
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options = append(options, tea.WithAltScreen())
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}
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var matches []fuzzy.Match
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if o.Value != "" {
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i.SetValue(o.Value)
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matches = fuzzy.Find(o.Value, choices)
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} else {
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matches = matchAll(choices)
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}
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p := tea.NewProgram(model{
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choices: choices,
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indicator: o.Indicator,
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matches: matchAll(choices),
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matches: matches,
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textinput: i,
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viewport: &v,
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indicatorStyle: o.IndicatorStyle.ToLipgloss(),
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@ -13,4 +13,5 @@ type Options struct {
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PromptStyle style.Styles `embed:"" prefix:"prompt." set:"defaultForeground=240" envprefix:"GUM_FILTER_PROMPT_"`
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Width int `help:"Input width" default:"20" env:"GUM_FILTER_WIDTH"`
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Height int `help:"Input height" default:"0" env:"GUM_FILTER_HEIGHT"`
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Value string `help:"Initial filter value" default:"" env:"GUM_FILTER_VALUE"`
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}
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