Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>
This commit is contained in:
Hadi
2026-05-12 19:12:29 +02:00
commit e8e64eff12
101 changed files with 10081 additions and 0 deletions
+264
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package diff
import (
"strings"
"charm.land/bubbles/v2/help"
"charm.land/bubbles/v2/key"
"charm.land/bubbles/v2/viewport"
tea "charm.land/bubbletea/v2"
"charm.land/lipgloss/v2"
"github.com/anotherhadi/spilltea/internal/keys"
"github.com/anotherhadi/spilltea/internal/style"
)
type slot struct {
label string
raw string
}
type focusedSlot int
const (
bothSlots focusedSlot = iota
leftSlot
rightSlot
)
func (f focusedSlot) next() focusedSlot {
return (f + 1) % 3
}
type lineKind int
const (
lineUnchanged lineKind = iota
lineAdded
lineRemoved
)
type diffLine struct {
text string
kind lineKind
}
type Model struct {
left slot
right slot
focus focusedSlot
leftLines []diffLine
rightLines []diffLine
leftViewport viewport.Model
rightViewport viewport.Model
help help.Model
width int
height int
}
func New() Model {
return Model{
leftViewport: style.NewViewport(),
rightViewport: style.NewViewport(),
help: style.NewHelp(),
}
}
func (m Model) Init() tea.Cmd { return nil }
// CurrentRaw returns the raw content of the focused slot (left when both are focused).
func (m Model) CurrentRaw() string {
if m.focus == rightSlot {
return m.right.raw
}
return m.left.raw
}
func (m *Model) SetSize(w, h int) {
m.width = w
m.height = h
m.recalcSizes()
}
func (m *Model) recalcSizes() {
m.help.SetWidth(m.width - 2)
statusH := strings.Count(m.renderStatusBar(), "\n") + 1
panelH := m.height - statusH
if panelH < 0 {
panelH = 0
}
leftW := m.width / 2
rightW := m.width - leftW
leftInner := leftW - 2
rightInner := rightW - 2
if leftInner < 0 {
leftInner = 0
}
if rightInner < 0 {
rightInner = 0
}
viewportH := style.PanelContentH(panelH)
m.leftViewport.SetWidth(leftInner)
m.leftViewport.SetHeight(viewportH)
m.rightViewport.SetWidth(rightInner)
m.rightViewport.SetHeight(viewportH)
m.refreshViewports()
}
func (m *Model) computeDiff() {
if m.left.raw == "" || m.right.raw == "" {
m.leftLines = nil
m.rightLines = nil
return
}
leftNorm := normRaw(m.left.raw)
rightNorm := normRaw(m.right.raw)
leftPlain := strings.Split(leftNorm, "\n")
rightPlain := strings.Split(rightNorm, "\n")
leftHL := hlLines(leftNorm)
rightHL := hlLines(rightNorm)
m.leftLines, m.rightLines = lcsAlignedDiff(leftPlain, rightPlain, leftHL, rightHL)
}
func normRaw(s string) string {
s = strings.ReplaceAll(s, "\r\n", "\n")
s = strings.ReplaceAll(s, "\r", "\n")
return strings.TrimRight(s, "\n")
}
func hlLines(raw string) []string {
s := strings.TrimRight(style.HighlightHTTP(raw), "\n")
if s == "" {
return nil
}
return strings.Split(s, "\n")
}
func (m *Model) refreshViewports() {
s := style.S
if m.left.raw == "" {
placeholder := lipgloss.Place(
m.leftViewport.Width(), m.leftViewport.Height(),
lipgloss.Center, lipgloss.Center,
s.Faint.Render(" <(^_^)>\nsend two entries here to compare"),
)
m.leftViewport.SetContent(placeholder)
m.rightViewport.SetContent("")
return
}
if m.right.raw == "" {
m.leftViewport.SetContent(style.HighlightHTTP(normRaw(m.left.raw)))
placeholder := lipgloss.Place(
m.rightViewport.Width(), m.rightViewport.Height(),
lipgloss.Center, lipgloss.Center,
s.Faint.Render(" (・3・)\nwaiting for second entry…"),
)
m.rightViewport.SetContent(placeholder)
return
}
m.leftViewport.SetContent(renderLeftLines(m.leftLines))
m.rightViewport.SetContent(renderRightLines(m.rightLines))
}
func (m *Model) scroll(delta int) {
offset := m.leftViewport.YOffset() + delta
m.leftViewport.SetYOffset(offset)
m.rightViewport.SetYOffset(offset)
}
func (m *Model) scrollH(delta int) {
offset := m.leftViewport.XOffset() + delta
m.leftViewport.SetXOffset(offset)
m.rightViewport.SetXOffset(offset)
}
func lcsAlignedDiff(a, b, aHL, bHL []string) (left, right []diffLine) {
hlA := func(i int) string {
if i < len(aHL) {
return aHL[i]
}
return a[i]
}
hlB := func(j int) string {
if j < len(bHL) {
return bHL[j]
}
return b[j]
}
n, m := len(a), len(b)
dp := make([][]int, n+1)
for i := range dp {
dp[i] = make([]int, m+1)
}
for i := 1; i <= n; i++ {
for j := 1; j <= m; j++ {
if a[i-1] == b[j-1] {
dp[i][j] = dp[i-1][j-1] + 1
} else if dp[i-1][j] >= dp[i][j-1] {
dp[i][j] = dp[i-1][j]
} else {
dp[i][j] = dp[i][j-1]
}
}
}
left = make([]diffLine, 0, n+m)
right = make([]diffLine, 0, n+m)
i, j := n, m
for i > 0 || j > 0 {
switch {
case i > 0 && j > 0 && a[i-1] == b[j-1]:
left = append(left, diffLine{text: hlA(i-1), kind: lineUnchanged})
right = append(right, diffLine{text: hlB(j-1), kind: lineUnchanged})
i--
j--
case j > 0 && (i == 0 || dp[i][j-1] >= dp[i-1][j]):
left = append(left, diffLine{kind: lineAdded})
right = append(right, diffLine{text: hlB(j-1), kind: lineAdded})
j--
default:
left = append(left, diffLine{text: hlA(i-1), kind: lineRemoved})
right = append(right, diffLine{kind: lineRemoved})
i--
}
}
for lo, hi := 0, len(left)-1; lo < hi; lo, hi = lo+1, hi-1 {
left[lo], left[hi] = left[hi], left[lo]
right[lo], right[hi] = right[hi], right[lo]
}
return left, right
}
func diffBindings() []key.Binding {
g := keys.Keys.Global
return []key.Binding{
g.Up, g.Down, g.ScrollUp, g.ScrollDown,
g.CycleFocus, keys.Keys.Diff.Clear,
}
}
type diffKeyMap struct{ width int }
func (diffKeyMap) ShortHelp() []key.Binding {
g := keys.Keys.Global
return []key.Binding{g.Up, g.Down, g.CycleFocus, keys.Keys.Diff.Clear, g.Help}
}
func (m diffKeyMap) FullHelp() [][]key.Binding {
all := append(diffBindings(), keys.Keys.Global.Bindings()...)
return keys.ChunkByWidth(all, m.width)
}
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package diff
import (
"charm.land/bubbles/v2/key"
tea "charm.land/bubbletea/v2"
"github.com/anotherhadi/spilltea/internal/keys"
notificationsUI "github.com/anotherhadi/spilltea/internal/ui/components/notifications"
)
// SendToDiffMsg carries a raw HTTP request or response to the diff page.
type SendToDiffMsg struct {
Label string
Raw string
}
// DiffReadyMsg is emitted when both slots are filled and the diff is ready to view.
type DiffReadyMsg struct{}
func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case SendToDiffMsg:
if m.left.raw == "" {
m.left = slot{label: msg.Label, raw: msg.Raw}
m.refreshViewports()
return m, func() tea.Msg {
return notificationsUI.NotificationMsg{
Title: "Entry selected",
Body: "Select a second entry to compare",
Kind: notificationsUI.KindInfo,
}
}
} else if m.right.raw == "" {
m.right = slot{label: msg.Label, raw: msg.Raw}
m.computeDiff()
m.focus = bothSlots
m.leftViewport.SetYOffset(0)
m.rightViewport.SetYOffset(0)
m.leftViewport.SetXOffset(0)
m.rightViewport.SetXOffset(0)
m.refreshViewports()
return m, func() tea.Msg { return DiffReadyMsg{} }
} else {
// Both full: reset and start new comparison
m.left = slot{label: msg.Label, raw: msg.Raw}
m.right = slot{}
m.leftLines = nil
m.rightLines = nil
m.focus = bothSlots
m.leftViewport.SetYOffset(0)
m.rightViewport.SetYOffset(0)
m.leftViewport.SetXOffset(0)
m.rightViewport.SetXOffset(0)
m.refreshViewports()
return m, func() tea.Msg {
return notificationsUI.NotificationMsg{
Title: "Entry replaced",
Body: "Select a second entry to compare",
Kind: notificationsUI.KindInfo,
}
}
}
case tea.MouseWheelMsg:
switch msg.Button {
case tea.MouseWheelUp:
if msg.Mod.Contains(tea.ModShift) {
m.scrollH(-6)
} else {
m.scroll(-1)
}
case tea.MouseWheelDown:
if msg.Mod.Contains(tea.ModShift) {
m.scrollH(6)
} else {
m.scroll(1)
}
case tea.MouseWheelLeft:
m.scrollH(-6)
case tea.MouseWheelRight:
m.scrollH(6)
}
case tea.KeyPressMsg:
switch {
case key.Matches(msg, keys.Keys.Global.CycleFocus):
m.focus = m.focus.next()
case key.Matches(msg, keys.Keys.Global.Up):
m.scroll(-1)
case key.Matches(msg, keys.Keys.Global.Down):
m.scroll(1)
case key.Matches(msg, keys.Keys.Global.ScrollUp):
step := m.leftViewport.Height() / 2
if step < 1 {
step = 1
}
m.scroll(-step)
case key.Matches(msg, keys.Keys.Global.ScrollDown):
step := m.leftViewport.Height() / 2
if step < 1 {
step = 1
}
m.scroll(step)
case key.Matches(msg, keys.Keys.Global.Left):
m.scrollH(-6)
case key.Matches(msg, keys.Keys.Global.Right):
m.scrollH(6)
case key.Matches(msg, keys.Keys.Diff.Clear):
switch m.focus {
case leftSlot:
m.left = m.right
m.right = slot{}
m.leftLines = nil
m.rightLines = nil
m.focus = bothSlots
case rightSlot:
m.right = slot{}
m.leftLines = nil
m.rightLines = nil
m.focus = bothSlots
default:
m.left = slot{}
m.right = slot{}
m.leftLines = nil
m.rightLines = nil
m.focus = bothSlots
}
m.leftViewport.SetYOffset(0)
m.rightViewport.SetYOffset(0)
m.leftViewport.SetXOffset(0)
m.rightViewport.SetXOffset(0)
m.refreshViewports()
case key.Matches(msg, keys.Keys.Global.Help):
m.help.ShowAll = !m.help.ShowAll
m.recalcSizes()
}
}
return m, nil
}
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package diff
import (
"strings"
tea "charm.land/bubbletea/v2"
"charm.land/lipgloss/v2"
"github.com/anotherhadi/spilltea/internal/icons"
"github.com/anotherhadi/spilltea/internal/style"
)
func (m Model) View() tea.View {
if m.width == 0 {
return tea.NewView("Loading...")
}
statusH := strings.Count(m.renderStatusBar(), "\n") + 1
panelH := m.height - statusH
content := lipgloss.JoinVertical(lipgloss.Left,
m.renderPanels(panelH),
m.renderStatusBar(),
)
return tea.NewView(content)
}
func (m *Model) renderPanels(panelH int) string {
s := style.S
leftW := m.width / 2
rightW := m.width - leftW
leftTitle := icons.I.Diff + "First"
if m.left.label != "" {
leftTitle = icons.I.Diff + "First: " + m.left.label
}
rightTitle := icons.I.Diff + "Second"
if m.right.label != "" {
rightTitle = icons.I.Diff + "Second: " + m.right.label
}
leftBorder := s.Panel
rightBorder := s.Panel
switch m.focus {
case bothSlots:
leftBorder = s.PanelFocused
rightBorder = s.PanelFocused
case leftSlot:
leftBorder = s.PanelFocused
case rightSlot:
rightBorder = s.PanelFocused
}
left := style.RenderWithTitle(leftBorder, leftTitle, m.leftViewport.View(), leftW, panelH)
right := style.RenderWithTitle(rightBorder, rightTitle, m.rightViewport.View(), rightW, panelH)
return lipgloss.JoinHorizontal(lipgloss.Top, left, right)
}
func (m *Model) renderStatusBar() string {
return lipgloss.NewStyle().Padding(0, 1).Render(m.help.View(diffKeyMap{width: m.width}))
}
func renderLeftLines(lines []diffLine) string {
s := style.S
var sb strings.Builder
for _, l := range lines {
switch l.kind {
case lineRemoved:
sb.WriteString(style.Paint(s.Error, "- ") + l.text + "\n")
case lineAdded:
sb.WriteString("\n")
default:
sb.WriteString(" " + l.text + "\n")
}
}
return sb.String()
}
func renderRightLines(lines []diffLine) string {
s := style.S
var sb strings.Builder
for _, l := range lines {
switch l.kind {
case lineAdded:
sb.WriteString(style.Paint(s.Success, "+ ") + l.text + "\n")
case lineRemoved:
sb.WriteString("\n")
default:
sb.WriteString(" " + l.text + "\n")
}
}
return sb.String()
}