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compose_ui: Create the compose_ui.replace_syntax function.

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`replace_syntax` will replace text inside of a compose textbox. Also,
add tests to the `compose_ui` Node tests for this function.
This commit is contained in:
Marco Burstein
2018-08-14 18:55:44 -07:00
committed by Tim Abbott
parent e204fe3948
commit fa22cf18f6
2 changed files with 28 additions and 2 deletions
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13
static/js/compose_ui.js
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@@ -49,6 +49,19 @@ exports.insert_syntax_and_focus = function (syntax, textarea) {
exports.smart_insert(textarea, syntax);
};
exports.replace_syntax = function (old_syntax, new_syntax, textarea) {
// Replaces `old_syntax` with `new_syntax` text in the compose box. Due to
// the way that JavaScript handles string replacements, if `old_syntax` is
// a string it will only replace the first instance. If `old_syntax` is
// a RegExp with a global flag, it will replace all instances.
if (textarea === undefined) {
textarea = $('#compose-textarea');
}
textarea.val(textarea.val().replace(old_syntax, new_syntax));
};
return exports;
}());