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Fix EasyMDE validation (#18161)

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wxiaoguang 2022-01-04 00:53:53 +08:00 • committed by GitHub
parent 8eec403068
commit 48aab263d1
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3 changed files with 42 additions and 26 deletions
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52
web_src/js/features/comp/CommentEasyMDE.js
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@ -75,13 +75,27 @@ export function createCommentEasyMDE(textarea) {
}
});
attachTribute(inputField, {mentions: true, emoji: true});
// TODO: that's the only way we can do now to attach the EasyMDE object to a HTMLElement
inputField._data_easyMDE = easyMDE;
textarea._data_easyMDE = easyMDE;
attachEasyMDEToElements(easyMDE);
return easyMDE;
}
/**
* attach the EasyMDE object to its input elements (InputField, TextArea)
* @param {EasyMDE} easyMDE
*/
export function attachEasyMDEToElements(easyMDE) {
// TODO: that's the only way we can do now to attach the EasyMDE object to a HTMLElement
// InputField is used by CodeMirror to accept user input
const inputField = easyMDE.codemirror.getInputField();
inputField._data_easyMDE = easyMDE;
// TextArea is the real textarea element in the form
const textArea = easyMDE.codemirror.getTextArea();
textArea._data_easyMDE = easyMDE;
}
/**
* get the attached EasyMDE editor created by createCommentEasyMDE
* @param el jQuery or HTMLElement
@ -98,29 +112,27 @@ export function getAttachedEasyMDE(el) {
}
/**
* validate if the given textarea from a form, is non-empty.
* @param {jQuery | HTMLElement} form
* @param {jQuery | HTMLElement} textarea
* validate if the given EasyMDE textarea is is non-empty.
* @param {jQuery} $textarea
* @returns {boolean} returns true if validation succeeded.
*/
export function validateTextareaNonEmpty(form, textarea) {
if (form instanceof jQuery) {
form = form[0];
}
if (textarea instanceof jQuery) {
textarea = textarea[0];
}
const $markdownEditorTextArea = $(getAttachedEasyMDE(textarea).codemirror.getInputField());
export function validateTextareaNonEmpty($textarea) {
const $mdeInputField = $(getAttachedEasyMDE($textarea).codemirror.getInputField());
// The original edit area HTML element is hidden and replaced by the
// SimpleMDE/EasyMDE editor, breaking HTML5 input validation if the text area is empty.
// This is a workaround for this upstream bug.
// See https://github.com/sparksuite/simplemde-markdown-editor/issues/324
if (textarea.value.length) {
$markdownEditorTextArea.prop('required', true);
form.reportValidity();
if (!$textarea.val()) {
$mdeInputField.prop('required', true);
const $form = $textarea.parents('form');
if (!$form.length) {
// this should never happen. we put a alert here in case the textarea would be forgotten to be put in a form
alert('Require non-empty content');
} else {
$form[0].reportValidity();
}
return false;
}
$markdownEditorTextArea.prop('required', false);
$mdeInputField.prop('required', false);
return true;
}