feat:add code generator for Shell with HTTPie (#1290)

Co-authored-by: Liyas Thomas <liyascthomas@gmail.com>

helpers/codegen/generators/shell-httpie.js

@@ -0,0 +1,60 @@
+export const ShellHTTPie = {
+  id: "shell-httpie",
+  name: "Shell HTTPie",
+  generator: ({
+    url,
+    pathName,
+    queryString,
+    auth,
+    httpUser,
+    httpPassword,
+    bearerToken,
+    method,
+    rawInput,
+    rawParams,
+    rawRequestBody,
+    contentType,
+    headers,
+  }) => {
+    const methodsWithBody = ["POST", "PUT", "PATCH", "DELETE"]
+    const includeBody = methodsWithBody.indexOf(method) >= 0
+    const requestString = []
+
+    let requestBody = rawInput ? rawParams : rawRequestBody
+    requestBody = requestBody.replace(/'/g, "\\'")
+    if (requestBody.length !== 0 && includeBody) {
+      // Send request body via redirected input
+      requestString.push(`echo -n $'${requestBody}' | `)
+    }
+
+    // Executable itself
+    requestString.push(`http`)
+
+    // basic authentication
+    if (auth === "Basic Auth") {
+      requestString.push(` -a ${httpUser}:${httpPassword}`)
+    }
+
+    // URL
+    let escapedUrl = `${url}${pathName}${queryString}`
+    escapedUrl = escapedUrl.replace(/'/g, "\\'")
+    requestString.push(` ${method} $'${escapedUrl}'`)
+
+    // All headers
+    if (contentType) {
+      requestString.push(` 'Content-Type:${contentType}; charset=utf-8'`)
+    }
+
+    if (headers) {
+      headers.forEach(({ key, value }) => {
+        requestString.push(` $'${key.replace(/'/g, "\\'")}:${value.replace(/'/g, "\\'")}'`)
+      })
+    }
+
+    if (auth === "Bearer Token" || auth === "OAuth 2.0") {
+      requestString.push(` 'Authorization:Bearer ${bearerToken}'`)
+    }
+
+    return requestString.join("")
+  },
+}