From a057a3484e401d89968052834724fc77b86374ad Mon Sep 17 00:00:00 2001
From: Daniel Bevenius <daniel.bevenius@gmail.com>
Date: Tue, 21 Apr 2020 08:21:36 +0200
Subject: [PATCH] Use const instead of let where applicable

Signed-off-by: Daniel Bevenius <daniel.bevenius@gmail.com>
---
 lib/bindings/http/emitter_binary_0_1.js  | 4 ++--
 lib/bindings/http/receiver_binary.js     | 4 ++--
 lib/bindings/http/receiver_structured.js | 4 ++--
 lib/specs/spec_0_3.js                    | 6 +++---
 lib/specs/spec_1.js                      | 6 +++---
 5 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/lib/bindings/http/emitter_binary_0_1.js b/lib/bindings/http/emitter_binary_0_1.js
index 62a51c39..e817746f 100644
--- a/lib/bindings/http/emitter_binary_0_1.js
+++ b/lib/bindings/http/emitter_binary_0_1.js
@@ -67,7 +67,7 @@ HTTPBinary.prototype.emit = function(cloudevent){
   Object.keys(headerByGetter)
     .filter((getter) => cloudevent[getter]())
     .forEach((getter) => {
-      let header = headerByGetter[getter];
+      const header = headerByGetter[getter];
       _headers[header.name] =
         header.parser(
           cloudevent[getter]()
@@ -82,7 +82,7 @@ HTTPBinary.prototype.emit = function(cloudevent){
   Object.keys(exts)
     .filter((ext) => Object.hasOwnProperty.call(exts, ext))
     .forEach((ext) => {
-      let capsExt = ext.charAt(0).toUpperCase() + ext.slice(1);
+      const capsExt = ext.charAt(0).toUpperCase() + ext.slice(1);
       _headers["CE-X-" + capsExt] = exts[ext];
     });
 
diff --git a/lib/bindings/http/receiver_binary.js b/lib/bindings/http/receiver_binary.js
index a0aa1826..ddd3d9f1 100644
--- a/lib/bindings/http/receiver_binary.js
+++ b/lib/bindings/http/receiver_binary.js
@@ -80,7 +80,7 @@ BinaryHTTPReceiver.prototype.check = function(payload, headers) {
 };
 
 function parserFor(parsersByEncoding, cloudevent, headers){
-  let encoding = cloudevent.spec.payload["datacontentencoding"];
+  const encoding = cloudevent.spec.payload["datacontentencoding"];
   return parsersByEncoding[encoding][headers[Constants.HEADER_CONTENT_TYPE]];
 }
 
@@ -108,7 +108,7 @@ BinaryHTTPReceiver.prototype.parse = function(payload, headers) {
     });
 
   // Parses the payload
-  let parsedPayload =
+  const parsedPayload =
       parserFor(this.parsersByEncoding, cloudevent, sanityHeaders)
         .parse(payload);
 
diff --git a/lib/bindings/http/receiver_structured.js b/lib/bindings/http/receiver_structured.js
index 5e3e5b8a..a2424285 100644
--- a/lib/bindings/http/receiver_structured.js
+++ b/lib/bindings/http/receiver_structured.js
@@ -68,8 +68,8 @@ StructuredHTTPReceiver.prototype.parse = function(payload, headers) {
   Array.from(Object.keys(this.setterByAttribute))
     .filter((attribute) => event[attribute])
     .forEach((attribute) => {
-      let setterName = this.setterByAttribute[attribute].name;
-      let parserFun  = this.setterByAttribute[attribute].parser;
+      const setterName = this.setterByAttribute[attribute].name;
+      const parserFun  = this.setterByAttribute[attribute].parser;
 
       // invoke the setter function
       cloudevent[setterName](parserFun(event[attribute]));
diff --git a/lib/specs/spec_0_3.js b/lib/specs/spec_0_3.js
index ffbd2648..63e7e3a9 100644
--- a/lib/specs/spec_0_3.js
+++ b/lib/specs/spec_0_3.js
@@ -102,7 +102,7 @@ Spec03.prototype.check = function(ce){
     .filter((tc) => tc["datacontentencoding"])
     .filter((tc) => (typeof tc.data) === "string")
     .map((tc) => {
-      let newtc = clone(tc);
+      const newtc = clone(tc);
       newtc.datacontentencoding =
         newtc.datacontentencoding.toLocaleLowerCase("en-US");
 
@@ -210,8 +210,8 @@ Spec03.prototype.data = function(_data){
   return this;
 };
 Spec03.prototype.getData = function() {
-  let dct = this.payload["datacontenttype"];
-  let dce = this.payload["datacontentencoding"];
+  const dct = this.payload["datacontenttype"];
+  const dce = this.payload["datacontentencoding"];
 
   if(dct && !dce){
     this.payload["data"] = asData(this.payload["data"], dct);
diff --git a/lib/specs/spec_1.js b/lib/specs/spec_1.js
index ad101f24..d8b373c0 100644
--- a/lib/specs/spec_1.js
+++ b/lib/specs/spec_1.js
@@ -85,10 +85,10 @@ function Spec1(_caller) {
     this.spec.check();
 
     // Check before getData() call
-    let isbin = isBinary(this.spec.payload[RESERVED_ATTRIBUTES.data]);
+    const isbin = isBinary(this.spec.payload[RESERVED_ATTRIBUTES.data]);
 
     // May be used, if isbin==true
-    let payload = clone(this.spec.payload);
+    const payload = clone(this.spec.payload);
 
     // To run asData()
     this.getData();
@@ -190,7 +190,7 @@ Spec1.prototype.data = function(_data){
   return this;
 };
 Spec1.prototype.getData = function() {
-  let dct = this.payload["datacontenttype"];
+  const dct = this.payload["datacontenttype"];
 
   if(dct){
     this.payload["data"] = asData(this.payload["data"], dct);