avoid use of node modules

Author: miguelgrinberg

src/convert.ts

@@ -6,7 +6,8 @@ import { CurlExporter } from "./exporters/curl";
 import { JavaScriptExporter } from "./exporters/javascript";
 import util from "util";
 
-const execAsync = util.promisify(childProcess.exec);
+const execAsync =
+  typeof window === "undefined" ? util.promisify(childProcess.exec) : undefined;
 
 export type ConvertOptions = {
   /** When `true`, the converter will only check if the conversion can be carried
@@ -188,6 +189,9 @@ export class SubprocessExporter implements FormatExporter {
     const input = base64url.encode(
       JSON.stringify({ requests: getSlimRequests(requests) }),
     );
+    if (execAsync === undefined) {
+      throw new Error("Cannot use exec()");
+    }
     const { stdout, stderr } = await execAsync(
       `${this.baseCmd} check ${input}`,
     );
@@ -208,6 +212,9 @@ export class SubprocessExporter implements FormatExporter {
     const input = base64url.encode(
       JSON.stringify({ requests: getSlimRequests(requests), options }),
     );
+    if (execAsync === undefined) {
+      throw new Error("Cannot use exec()");
+    }
     const { stdout } = await execAsync(`${this.baseCmd} convert ${input}`);
     if (stdout) {
       const json = JSON.parse(base64url.decode(stdout));

src/parse.ts

@@ -1,10 +1,10 @@
-import { METHODS } from "http";
 import { URL } from "url";
 import { readFile } from "fs/promises";
 import path from "path";
 import * as Router from "find-my-way-ts";
 import { Model, Request } from "./metamodel";
 
+const httpMethods = ["HEAD", "GET", "POST", "PUT", "PATCH", "DELETE"];
 export type JSONValue = string | number | boolean | JSONArray | JSONObject;
 interface JSONArray extends Array<JSONValue> {}
 interface JSONObject {
@@ -62,7 +62,7 @@ export function splitSource(source: string): string[] {
   let prev = 0;
   while (index < len) {
     // Beginning of a new command, we should find the method and proceede to the url.
-    for (const method of METHODS) {
+    for (const method of httpMethods) {
       if (source.slice(index, len).startsWith(method)) {
         index += method.length;
         break;
@@ -80,7 +80,7 @@ export function splitSource(source: string): string[] {
     if (index == len) return;
     let brackets = 0;
     // If we found an http method, then we have found a new command.
-    for (const method of METHODS) {
+    for (const method of httpMethods) {
       if (source.slice(index, len).startsWith(method)) {
         return;
       }
@@ -131,7 +131,7 @@ function parseCommand(source: string, options: ParseOptions) {
   const len = source.length;
   let index = 0;
   // identify the method
-  for (const method of METHODS) {
+  for (const method of httpMethods) {
     if (source.slice(index, len).startsWith(method)) {
       data.method = method;
       index += method.length;