vendor tsgo

2026-07-09 16:50:43 -04:00
parent c06ea2e5a4
commit 98978e4930
5804 changed files with 1556156 additions and 101 deletions
--- a/tools/tsgo/internal/fourslash/tests/manual/exhaustiveCaseCompletions4_test.go
+++ b/tools/tsgo/internal/fourslash/tests/manual/exhaustiveCaseCompletions4_test.go
@@ -0,0 +1,192 @@
+package fourslash_test
+
+import (
+	"testing"
+
+	"github.com/microsoft/typescript-go/internal/fourslash"
+	. "github.com/microsoft/typescript-go/internal/fourslash/tests/util"
+	"github.com/microsoft/typescript-go/internal/ls"
+	"github.com/microsoft/typescript-go/internal/lsp/lsproto"
+	"github.com/microsoft/typescript-go/internal/testutil"
+)
+
+// Filter existing values.
+func TestExhaustiveCaseCompletions4(t *testing.T) {
+	t.Parallel()
+	defer testutil.RecoverAndFail(t, "Panic on fourslash test")
+	const content = `// @lib: es5
+// @newline: LF
+enum E {
+    A = 0,
+    B = "B",
+    C = "C",
+}
+// Filtering existing literals
+declare const u: E.A | E.B | 1 | 1n | "1";
+switch (u) {
+    case E.A:
+    case 1:
+    case 1n:
+    case 0x1n:
+    case "1":
+    case ` + "`1`" + `:
+    case ` + "`1${u}`" + `:
+    case/*1*/
+}
+declare const v: E.A | "1" | "2";
+switch (v) {
+    case 0:
+    case ` + "`1`" + `:
+    /*2*/
+}
+// Filtering repeated enum members
+enum F {
+    A = "A",
+    B = "B",
+    C = A,
+}
+declare const x: F;
+switch (x) {
+    /*3*/
+}
+// Enum with computed elements
+enum G {
+    C = 0,
+    D = 1 << 1,
+    E = 1 << 2,
+    OtherD = D,
+    DorE = D | E,
+}
+declare const y: G;
+switch (y) {
+    /*4*/
+}
+switch (y) {
+    case 0: // same as G.C
+    case 1: // same as G.D, but we don't know it
+    case 3: // same as G.DorE, but we don't know
+    /*5*/
+}
+
+// Already exhaustive switch
+enum H {
+    A = "A",
+    B = "B",
+    C = "C",
+}
+declare const z: H;
+switch (z) {
+    case H.A:
+    case H.B:
+    case H.C:
+    /*6*/
+}`
+	f, done := fourslash.NewFourslash(t, nil /*capabilities*/, content)
+	defer done()
+
+	f.VerifyCompletions(t, "1", &fourslash.CompletionsExpectedList{
+		IsIncomplete: false,
+		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
+			CommitCharacters: &DefaultCommitCharacters,
+			EditRange:        Ignored,
+		},
+		Items: &fourslash.CompletionsExpectedItems{
+			Includes: []fourslash.CompletionsExpectedItem{
+				&lsproto.CompletionItem{
+					Label:            "case E.B: ...",
+					InsertText:       new("case E.B:$1"),
+					SortText:         new(string(ls.SortTextGlobalsOrKeywords)),
+					InsertTextFormat: new(lsproto.InsertTextFormatSnippet),
+				},
+			},
+		},
+	})
+
+	f.VerifyCompletions(t, "2", &fourslash.CompletionsExpectedList{
+		IsIncomplete: false,
+		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
+			CommitCharacters: &DefaultCommitCharacters,
+			EditRange:        Ignored,
+		},
+		Items: &fourslash.CompletionsExpectedItems{
+			Includes: []fourslash.CompletionsExpectedItem{
+				&lsproto.CompletionItem{
+					Label:            `case "2": ...`,
+					InsertText:       new(`case "2":$1`),
+					SortText:         new(string(ls.SortTextGlobalsOrKeywords)),
+					InsertTextFormat: new(lsproto.InsertTextFormatSnippet),
+				},
+			},
+		},
+	})
+
+	// F.A and F.B (no C because C's value is the same as A's)
+	f.VerifyCompletions(t, "3", &fourslash.CompletionsExpectedList{
+		IsIncomplete: false,
+		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
+			CommitCharacters: &DefaultCommitCharacters,
+			EditRange:        Ignored,
+		},
+		Items: &fourslash.CompletionsExpectedItems{
+			Includes: []fourslash.CompletionsExpectedItem{
+				&lsproto.CompletionItem{
+					Label:            "case F.A: ...",
+					InsertText:       new("case F.A:$1\ncase F.B:$2"),
+					SortText:         new(string(ls.SortTextGlobalsOrKeywords)),
+					InsertTextFormat: new(lsproto.InsertTextFormatSnippet),
+				},
+			},
+		},
+	})
+
+	f.VerifyCompletions(t, "4", &fourslash.CompletionsExpectedList{
+		IsIncomplete: false,
+		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
+			CommitCharacters: &DefaultCommitCharacters,
+			EditRange:        Ignored,
+		},
+		Items: &fourslash.CompletionsExpectedItems{
+			Includes: []fourslash.CompletionsExpectedItem{
+				&lsproto.CompletionItem{
+					Label:            "case G.C: ...",
+					InsertText:       new("case G.C:$1\ncase G.D:$2\ncase G.E:$3\ncase G.DorE:$4"),
+					SortText:         new(string(ls.SortTextGlobalsOrKeywords)),
+					InsertTextFormat: new(lsproto.InsertTextFormatSnippet),
+				},
+			},
+		},
+	})
+
+	f.VerifyCompletions(t, "5", &fourslash.CompletionsExpectedList{
+		IsIncomplete: false,
+		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
+			CommitCharacters: &DefaultCommitCharacters,
+			EditRange:        Ignored,
+		},
+		Items: &fourslash.CompletionsExpectedItems{
+			Includes: []fourslash.CompletionsExpectedItem{
+				&lsproto.CompletionItem{
+					Label:            "case G.D: ...",
+					InsertText:       new("case G.D:$1\ncase G.E:$2\ncase G.DorE:$3"),
+					SortText:         new(string(ls.SortTextGlobalsOrKeywords)),
+					InsertTextFormat: new(lsproto.InsertTextFormatSnippet),
+				},
+			},
+		},
+	})
+
+	// No exhaustive case completion offered here because the switch is already exhaustive
+	f.VerifyCompletions(t, "6", &fourslash.CompletionsExpectedList{
+		IsIncomplete: false,
+		ItemDefaults: &fourslash.CompletionsExpectedItemDefaults{
+			CommitCharacters: &DefaultCommitCharacters,
+			EditRange:        Ignored,
+		},
+		Items: &fourslash.CompletionsExpectedItems{
+			Exact: append(
+				[]fourslash.CompletionsExpectedItem{"E", "F", "G", "H", "u", "v", "x", "y", "z"},
+				CompletionGlobals...,
+			),
+		},
+	})
+}