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static/js/compose.js: Clean add_markdown function.

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Rename `add_markdown` function to `wrap_text_with_markdown` and
use closure variables in function `wrap_text_with_markdown`.
This commit is contained in:
Yashashvi Dave
2018-07-19 20:40:48 +05:30
committed by Tim Abbott
parent 3ae5e40f8f
commit 987c4f7df3
1 changed files with 7 additions and 10 deletions
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17
static/js/compose.js
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@@ -565,7 +565,7 @@ exports.validate = function () {
};
exports.handle_keydown = function (event) {
var textarea = $("#compose-textarea");
var textarea = $("#compose-textarea").expectOne();
// Set the rtl class if the text has an rtl direction, remove it otherwise
rtl.set_rtl_class_for_textarea(textarea);
@@ -580,33 +580,30 @@ exports.handle_keydown = function (event) {
if ((isBold || isItalic || isLink) && isCmdOrCtrl) {
var range = textarea.range();
function add_markdown(markdown) {
var textarea = $("#compose-textarea");
var range = textarea.range();
if (!document.execCommand('insertText', false, markdown)) {
textarea.range(range.start, range.end).range(markdown);
function wrap_text_with_markdown(prefix, suffix) {
if (!document.execCommand('insertText', false, prefix + range.text + suffix)) {
textarea.range(range.start, range.end).range(prefix + range.text + suffix);
}
event.preventDefault();
}
if (isBold) {
// ctrl + b: Convert selected text to bold text
add_markdown("**" + range.text + "**");
wrap_text_with_markdown("**", "**");
if (!range.length) {
textarea.caret(textarea.caret() - 2);
}
}
if (isItalic) {
// ctrl + i: Convert selected text to italic text
add_markdown("*" + range.text + "*");
wrap_text_with_markdown("*", "*");
if (!range.length) {
textarea.caret(textarea.caret() - 1);
}
}
if (isLink) {
// ctrl + l: Insert a link to selected text
add_markdown("[" + range.text + "](url)");
wrap_text_with_markdown("[", "](url)");
var position = textarea.caret();
var txt = document.getElementById("compose-textarea");