Replace headers in view (#1287)

fixs #1257

Cant add this in the same place as the URL as you end in an infinate
loop

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

pages/index.vue

@@ -1790,6 +1790,17 @@ export default {
       return (this.response.headers["content-type"] || "").split(";")[0].toLowerCase()
     },
     requestCode() {
+      let headers = []
+      if (this.preRequestScript || hasPathParams(this.params)) {
+        let environmentVariables = getEnvironmentVariablesFromScript(this.preRequestScript)
+        environmentVariables = addPathParamsToVariables(this.params, environmentVariables)
+        for (let k of this.headers) {
+          const kParsed = parseTemplateString(k.key, environmentVariables)
+          const valParsed = parseTemplateString(k.value, environmentVariables)
+          headers.push({ key: kParsed, value: valParsed })
+        }
+      }
+
       return generateCodeWithGenerator(this.requestType, {
         auth: this.auth,
         method: this.method,
@@ -1799,7 +1810,7 @@ export default {
         httpUser: this.httpUser,
         httpPassword: this.httpPassword,
         bearerToken: this.bearerToken,
-        headers: this.headers,
+        headers: headers,
         rawInput: this.rawInput,
         rawParams: this.rawParams,
         rawRequestBody: this.rawRequestBody,