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use const instead of let in for..in loops

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This commit is contained in:
Zack Schuster 2018-05-26 21:52:50 -07:00
parent 7a26521d20
commit 5ebd30f384
1 changed files with 4 additions and 4 deletions
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8
smtp/message.js
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@ -59,7 +59,7 @@ class Message {
};
this.content = 'text/plain; charset=utf-8';
for (let header in headers) {
for (const header in headers) {
// allow user to override default content-type to override charset or send a single non-text message
if (/^content-type$/i.test(header)) {
this.content = headers[header];
@ -224,12 +224,12 @@ class MessageStream extends Stream {
: `attachment; filename="${mimeWordEncode(attachment.name)}"`,
};
for (let header in attachment.headers || {}) {
for (const header in attachment.headers || {}) {
// allow sender to override default headers
headers[header.toLowerCase()] = attachment.headers[header];
}
for (let header in headers) {
for (const header in headers) {
data = data.concat([
fix_header_name_case(header),
': ',
@ -429,7 +429,7 @@ class MessageStream extends Stream {
const output_header = () => {
let data = [];
for (let header in this.message.header) {
for (const header in this.message.header) {
// do not output BCC in the headers (regex) nor custom Object.prototype functions...
if (
!/bcc/i.test(header) &&