feat(history): add ignore duplicates option
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parent
82a9122745
commit
d9a5389cfc
19
history.go
19
history.go
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@ -2,14 +2,25 @@ package prompt
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// History stores the texts that are entered.
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type History struct {
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histories []string
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tmp []string
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selected int
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histories []string
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tmp []string
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selected int
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ignoreDuplicates bool
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}
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// Add to add text in history.
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func (h *History) Add(input string) {
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h.histories = append(h.histories, input)
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if h.ignoreDuplicates {
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var histories []string
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for _, history := range h.histories {
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if history != input {
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histories = append(histories, history)
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}
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}
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h.histories = append(histories, input)
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} else {
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h.histories = append(h.histories, input)
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}
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h.Clear()
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}
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@ -10,9 +10,10 @@ func TestHistoryClear(t *testing.T) {
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h.Add("foo")
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h.Clear()
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expected := &History{
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histories: []string{"foo"},
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tmp: []string{"foo", ""},
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selected: 1,
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histories: []string{"foo"},
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tmp: []string{"foo", ""},
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selected: 1,
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ignoreDuplicates: false,
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}
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if !reflect.DeepEqual(expected, h) {
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t.Errorf("Should be %#v, but got %#v", expected, h)
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@ -23,9 +24,27 @@ func TestHistoryAdd(t *testing.T) {
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h := NewHistory()
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h.Add("echo 1")
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expected := &History{
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histories: []string{"echo 1"},
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tmp: []string{"echo 1", ""},
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selected: 1,
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histories: []string{"echo 1"},
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tmp: []string{"echo 1", ""},
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selected: 1,
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ignoreDuplicates: false,
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}
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if !reflect.DeepEqual(h, expected) {
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t.Errorf("Should be %v, but got %v", expected, h)
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}
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}
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func TestHistoryAddIgnoreDuplicates(t *testing.T) {
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h := NewHistory()
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h.ignoreDuplicates = true
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h.Add("echo 1")
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h.Add("echo 2")
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h.Add("echo 1")
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expected := &History{
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histories: []string{"echo 2", "echo 1"},
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tmp: []string{"echo 2", "echo 1", ""},
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selected: 2,
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ignoreDuplicates: true,
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}
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if !reflect.DeepEqual(h, expected) {
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t.Errorf("Should be %v, but got %v", expected, h)
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@ -206,6 +206,15 @@ func OptionHistory(x []string) Option {
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}
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}
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// OptionHistoryIgnoreDuplicates to set history not display a line previously found
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func OptionHistoryIgnoreDuplicates(x bool) Option {
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return func(p *Prompt) error {
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p.history.ignoreDuplicates = x
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p.history.Clear()
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return nil
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}
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}
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// OptionSwitchKeyBindMode set a key bind mode.
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func OptionSwitchKeyBindMode(m KeyBindMode) Option {
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return func(p *Prompt) error {
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