add: unit and integration testing

2026-09-07 18:09:36 +02:00
parent 76fde42334
commit 52a25aeaf5
7230 changed files with 561560 additions and 135112 deletions
@@ -0,0 +1,47 @@
+import { StringReader, StringWriter } from './strings';
+import { decodeInteger, encodeInteger, semicolon } from './vlq';
+
+export type MappingIndex = number;
+export type RangeMappings = MappingIndex[][];
+
+export function decodeRangeMappings(input: string): RangeMappings {
+  const { length } = input;
+  const reader = new StringReader(input);
+  const rangeMappings: RangeMappings = [];
+
+  do {
+    const semi = reader.indexOf(';');
+    const indices: MappingIndex[] = [];
+    let index = 0;
+
+    while (reader.pos < semi) {
+      index += decodeInteger(reader);
+      indices.push(index);
+    }
+
+    rangeMappings.push(indices);
+    reader.pos = semi + 1;
+  } while (reader.pos <= length);
+
+  return rangeMappings;
+}
+
+export function encodeRangeMappings(decoded: RangeMappings): string {
+  if (decoded.length === 0) return '';
+
+  const writer = new StringWriter();
+
+  for (let i = 0; i < decoded.length; i++) {
+    const indices = decoded[i];
+    if (i > 0) writer.write(semicolon);
+
+    let index = 0;
+    for (let j = 0; j < indices.length; j++) {
+      const offset = indices[j];
+      encodeInteger(writer, offset - index);
+      index = offset;
+    }
+  }
+
+  return writer.flush();
+}