Add extracted source directory and README navigation

extracted-source/node_modules/@alcalzone/ansi-tokenize/build/reduce.js

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+import ansiStyles from "ansi-styles";
+import { endCodesSet } from "./ansiCodes.js";
+/** Reduces the given array of ANSI codes to the minimum necessary to render with the same style */
+export function reduceAnsiCodes(codes) {
+    return reduceAnsiCodesIncremental([], codes);
+}
+/** Like {@link reduceAnsiCodes}, but assumes that `codes` is already reduced. Further reductions are only done for the items in `newCodes`. */
+export function reduceAnsiCodesIncremental(codes, newCodes) {
+    let ret = [...codes];
+    for (const code of newCodes) {
+        if (code.code === ansiStyles.reset.open) {
+            // Reset code, disable all codes
+            ret = [];
+        }
+        else if (endCodesSet.has(code.code)) {
+            // This is an end code, disable all matching start codes
+            ret = ret.filter((retCode) => retCode.endCode !== code.code);
+        }
+        else {
+            // This is a start code. Remove codes it "overrides", then add it.
+            // If a new code has the same endCode, it "overrides" existing ones.
+            // Special case: Intensity codes (1m, 2m) can coexist (both end with 22m).
+            const isIntensityCode = code.code === ansiStyles.bold.open || code.code === ansiStyles.dim.open;
+            // Add intensity codes only if not already present
+            if (isIntensityCode) {
+                if (!ret.find((retCode) => retCode.code === code.code && retCode.endCode === code.endCode)) {
+                    ret.push(code);
+                }
+            }
+            else {
+                ret = ret.filter((retCode) => retCode.endCode !== code.endCode);
+                ret.push(code);
+            }
+        }
+    }
+    return ret;
+}
+//# sourceMappingURL=reduce.js.map