Migrate line locators to agent-gov-core@v0.1.2

package.json

@@ -10,6 +10,9 @@
     "build": "tsc -p tsconfig.json",
     "test": "node --test test/*.test.mjs"
   },
+  "dependencies": {
+    "agent-gov-core": "github:Conalh/agent-gov-core#v0.1.2"
+  },
   "devDependencies": {
     "@types/node": "^24.0.0",
     "typescript": "^5.9.3"

src/discovery.ts

@@ -1,5 +1,9 @@
 import { readFile } from 'node:fs/promises';
 import { join } from 'node:path';
+import {
+  lineOfJsonKey as coreLineOfJsonKey,
+  lineOfJsonStringValue as coreLineOfJsonStringValue,
+} from 'agent-gov-core';
 
 export async function readJsonObject(path: string): Promise<Record<string, unknown>> {
   return (await readJsonObjectWithSource(path)).json;
@@ -33,23 +37,13 @@ export function isRecord(value: unknown): value is Record<string, unknown> {
 }
 
 export function lineOfJsonKey(text: string, key: string): number | undefined {
-  const keyPattern = new RegExp(`"${escapeRegExp(key)}"\\s*:`);
-  return lineOfPattern(text, keyPattern);
+  const line = coreLineOfJsonKey(text, key);
+  return line === 0 ? undefined : line;
 }
 
 export function lineOfJsonStringValue(text: string, value: string): number | undefined {
-  const encoded = JSON.stringify(value);
-  return lineOfPattern(text, new RegExp(escapeRegExp(encoded)));
-}
-
-function lineOfPattern(text: string, pattern: RegExp): number | undefined {
-  const lines = text.split(/\r?\n/);
-  const index = lines.findIndex((line) => pattern.test(line));
-  return index === -1 ? undefined : index + 1;
-}
-
-function escapeRegExp(value: string): string {
-  return value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+  const line = coreLineOfJsonStringValue(text, value);
+  return line === 0 ? undefined : line;
 }
 
 function isNodeError(error: unknown): error is NodeJS.ErrnoException {