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feat(display): add methods to display
- Add `indent`, `faint`, and `underline` methods to `display` - Add tests for the above
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8
internal/display/faint.go
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8
internal/display/faint.go
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package display
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import "fmt"
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// Faint returns an faint string
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func Faint(str string) string {
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return fmt.Sprintf(fmt.Sprintf("\033[2m%s\033[0m", str))
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}
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14
internal/display/faint_test.go
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internal/display/faint_test.go
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package display
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import (
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"testing"
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)
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// TestFaint asserts that Faint applies faint formatting
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func TestFaint(t *testing.T) {
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want := "\033[2mfoo\033[0m"
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got := Faint("foo")
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if want != got {
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t.Errorf("failed to faint: want: %s, got: %s", want, got)
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}
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}
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internal/display/indent.go
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internal/display/indent.go
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package display
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import (
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"fmt"
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"strings"
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)
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// Indent prepends each line of a string with a tab
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func Indent(str string) string {
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out := ""
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for _, line := range strings.Split(str, "\n") {
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out += fmt.Sprintf("\t%s\n", line)
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}
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return strings.TrimSuffix(out, "\n")
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}
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internal/display/indent_test.go
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internal/display/indent_test.go
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package display
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import "testing"
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// TestIndent asserts that Indent prepends a tab to each line
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func TestIndent(t *testing.T) {
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got := Indent("foo\nbar\nbaz")
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want := "\tfoo\n\tbar\n\tbaz"
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if got != want {
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t.Errorf("failed to indent: want: %s, got: %s", want, got)
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}
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}
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8
internal/display/underline.go
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internal/display/underline.go
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package display
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import "fmt"
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// Underline returns an underlined string
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func Underline(str string) string {
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return fmt.Sprintf(fmt.Sprintf("\033[4m%s\033[0m", str))
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}
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internal/display/underline_test.go
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internal/display/underline_test.go
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package display
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import (
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"testing"
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)
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// TestUnderline asserts that Underline applies underline formatting
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func TestUnderline(t *testing.T) {
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want := "\033[4mfoo\033[0m"
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got := Underline("foo")
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if want != got {
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t.Errorf("failed to underline: want: %s, got: %s", want, got)
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}
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}
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