refactor(console): prepare for noUncheckedIndexedAccess (denoland#4269

)
eryue0220 · Feb 2, 2024 · b77b51a · b77b51a
1 parent 9d0317a
commit b77b51a
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Showing 2 changed files with 6 additions and 4 deletions.
diff --git a/console/_run_length.ts b/console/_run_length.ts
@@ -32,7 +32,7 @@ export function runLengthDecode({ d, r }: { d: string; r: string }) {
   let out = "";
 
   for (const [i, ch] of [...runLengths].entries()) {
-    out += data[i].repeat(ch.codePointAt(0)!);
+    out += data[i]!.repeat(ch.codePointAt(0)!);
   }
 
   return Uint8Array.from([...out].map((x) => x.codePointAt(0)!));

diff --git a/console/unicode_width.ts b/console/unicode_width.ts
@@ -8,9 +8,11 @@ let tables: Uint8Array[] | null = null;
 function lookupWidth(cp: number) {
   if (!tables) tables = data.tables.map(runLengthDecode);
 
-  const t1Offset = tables[0][(cp >> 13) & 0xff];
-  const t2Offset = tables[1][128 * t1Offset + ((cp >> 6) & 0x7f)];
-  const packedWidths = tables[2][16 * t2Offset + ((cp >> 2) & 0xf)];
+  const t1Offset = (tables[0] as Uint8Array)[(cp >> 13) & 0xff] as number;
+  const t2Offset =
+    (tables[1] as Uint8Array)[128 * t1Offset + ((cp >> 6) & 0x7f)] as number;
+  const packedWidths =
+    (tables[2] as Uint8Array)[16 * t2Offset + ((cp >> 2) & 0xf)] as number;
 
   const width = (packedWidths >> (2 * (cp & 0b11))) & 0b11;