remove fs dependency for web package

Author: phn210

src/utils/benchmark.ts

@@ -1,11 +1,10 @@
-import fs from 'fs';
-import { Profiler } from './constants.js';
+import { FileSystem, Profiler } from './constants.js';
 
 export { getProfiler, getMemoryUsage };
 
 const round = (x: number) => Math.round(x * 100) / 100;
 
-function getProfiler(name: string): Profiler {
+function getProfiler(name: string, fs: FileSystem): Profiler {
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     let times: Record<string, any> = {};
     let label: string;
@@ -27,7 +26,7 @@ function getProfiler(name: string): Profiler {
             times[label].end = performance.now();
             return this;
         },
-        store() {
+        async store() {
             let profilingData = `## Times for ${name}\n\n`;
             profilingData += `| Name | time passed in s |\n|---|---|`;
             let totalTimePassed = 0;
@@ -43,7 +42,7 @@ function getProfiler(name: string): Profiler {
                 totalTimePassed
             )} seconds to run the entire benchmark\n\n\n`;
 
-            fs.appendFileSync(`profiler/${name}.md`, profilingData);
+            await fs.appendFile(`profiler/${name}.md`, profilingData);
         },
     };
 }

src/utils/config.ts

@@ -1,14 +1,17 @@
-import fs from 'fs/promises';
 import { PrivateKey, PublicKey } from 'o1js';
-import { Base58Key, Config, Key, ZkApp } from './constants.js';
+import { Base58Key, Config, FileSystem, Key, ZkApp } from './constants.js';
 
 export { readConfig, readZkAppConfig, readUserConfig };
 
-async function readConfig(path = 'config.json'): Promise<Config> {
+async function readConfig(
+    fs: FileSystem,
+    path = 'config.json'
+): Promise<Config> {
     return JSON.parse(await fs.readFile(path, 'utf8'));
 }
 
 async function readZkAppConfig(
+    fs: FileSystem,
     label: string | number,
     path = 'config.json'
 ): Promise<{
@@ -17,7 +20,7 @@ async function readZkAppConfig(
     feePayer: Key;
     zkApp: ZkApp;
 }> {
-    const configJson = await readConfig(path);
+    const configJson = await readConfig(fs, path);
     let config =
         typeof label === 'string'
             ? configJson.deployAliases[label]
@@ -52,6 +55,7 @@ async function readZkAppConfig(
 }
 
 async function readUserConfig(
+    fs: FileSystem,
     label: string | number,
     path = 'config.json'
 ): Promise<{
@@ -60,7 +64,7 @@ async function readUserConfig(
     feePayer: Key;
     user: Key;
 }> {
-    const configJson = await readConfig(path);
+    const configJson = await readConfig(fs, path);
     let config =
         typeof label === 'string'
             ? configJson.deployAliases[label]

src/utils/constants.ts

@@ -12,6 +12,7 @@ import {
 
 export {
     MAX_RETRY,
+    FileSystem,
     Profiler,
     Logger,
     Program,
@@ -27,6 +28,13 @@ export {
 
 const MAX_RETRY = 3;
 
+type FileSystem = {
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    appendFile(...args: any): Promise<void>;
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    readFile(...args: any): Promise<any>;
+};
+
 type Profiler = {
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     times: Record<string, any>;