77 lines
1.7 KiB
JavaScript
77 lines
1.7 KiB
JavaScript
const editTextarea = document.getElementsByClassName('edit-form__textarea')[0]
|
|
|
|
function placeCursor(position, el = editTextarea) {
|
|
el.selectionEnd = position
|
|
el.selectionStart = el.selectionEnd
|
|
}
|
|
|
|
function getSelectedText(el = editTextarea) {
|
|
const [start, end] = [el.selectionStart, el.selectionEnd]
|
|
const text = el.value
|
|
return text.substring(start, end)
|
|
}
|
|
|
|
function insertTextAtCursor(text, cursorPosition = null, el = editTextarea) {
|
|
const [start, end] = [el.selectionStart, el.selectionEnd]
|
|
el.setRangeText(text, start, end, 'select')
|
|
el.focus()
|
|
if (cursorPosition == null) {
|
|
placeCursor(end + text.length)
|
|
} else {
|
|
placeCursor(end + cursorPosition)
|
|
}
|
|
}
|
|
|
|
function wrapSelection(prefix, postfix = null, el = editTextarea) {
|
|
const [start, end] = [el.selectionStart, el.selectionEnd]
|
|
if (postfix == null) {
|
|
postfix = prefix
|
|
}
|
|
text = getSelectedText(el)
|
|
result = prefix + text + postfix
|
|
el.setRangeText(result, start, end, 'select')
|
|
el.focus()
|
|
placeCursor(end + (prefix + postfix).length)
|
|
}
|
|
|
|
function insertDate() {
|
|
let date = new Date().toISOString().split('T')[0]
|
|
insertTextAtCursor(date)
|
|
}
|
|
|
|
function wrapBold() {
|
|
wrapSelection('**')
|
|
}
|
|
|
|
function wrapItalic() {
|
|
wrapSelection('//')
|
|
}
|
|
|
|
function wrapMonospace() {
|
|
wrapSelection('`')
|
|
}
|
|
|
|
function wrapHighlighted() {
|
|
wrapSelection('!!')
|
|
}
|
|
|
|
function wrapLifted() {
|
|
wrapSelection('^')
|
|
}
|
|
|
|
function wrapLowered() {
|
|
wrapSelection(',,')
|
|
}
|
|
|
|
function wrapStroked() {
|
|
wrapSelection('~~')
|
|
}
|
|
|
|
function insertHorizontalBar() {
|
|
insertTextAtCursor('----\n')
|
|
}
|
|
|
|
function insertImgBlock() {
|
|
insertTextAtCursor('img {\n\t\n}\n', 7)
|
|
}
|