Rename diff-filtering-utils.ts to diff-informed-analysis-utils.ts

src/diff-informed-analysis-utils.ts

@@ -0,0 +1,42 @@
+import * as fs from "fs";
+import * as path from "path";
+
+import * as actionsUtil from "./actions-util";
+import { Logger } from "./logging";
+
+export interface DiffThunkRange {
+  path: string;
+  startLine: number;
+  endLine: number;
+}
+
+function getDiffRangesJsonFilePath(): string {
+  return path.join(actionsUtil.getTemporaryDirectory(), "pr-diff-range.json");
+}
+
+export function writeDiffRangesJsonFile(
+  logger: Logger,
+  ranges: DiffThunkRange[],
+): void {
+  const jsonContents = JSON.stringify(ranges, null, 2);
+  const jsonFilePath = getDiffRangesJsonFilePath();
+  fs.writeFileSync(jsonFilePath, jsonContents);
+  logger.debug(
+    `Wrote pr-diff-range JSON file to ${jsonFilePath}:\n${jsonContents}`,
+  );
+}
+
+export function readDiffRangesJsonFile(
+  logger: Logger,
+): DiffThunkRange[] | undefined {
+  const jsonFilePath = getDiffRangesJsonFilePath();
+  if (!fs.existsSync(jsonFilePath)) {
+    logger.debug(`Diff ranges JSON file does not exist at ${jsonFilePath}`);
+    return undefined;
+  }
+  const jsonContents = fs.readFileSync(jsonFilePath, "utf8");
+  logger.debug(
+    `Read pr-diff-range JSON file from ${jsonFilePath}:\n${jsonContents}`,
+  );
+  return JSON.parse(jsonContents) as DiffThunkRange[];
+}