49 lines
1.6 KiB
JavaScript
49 lines
1.6 KiB
JavaScript
const wrapSymbols = ['*', '_', '~', '^', '+', '=']
|
|
export function wrapTextWith (editor, cm, symbol) {
|
|
if (!cm.getSelection()) {
|
|
return CodeMirror.Pass
|
|
} else {
|
|
var ranges = cm.listSelections()
|
|
for (var i = 0; i < ranges.length; i++) {
|
|
var range = ranges[i]
|
|
if (!range.empty()) {
|
|
const from = range.from()
|
|
const to = range.to()
|
|
|
|
if (symbol !== 'Backspace') {
|
|
cm.replaceRange(symbol, to, to, '+input')
|
|
cm.replaceRange(symbol, from, from, '+input')
|
|
// workaround selection range not correct after add symbol
|
|
var _ranges = cm.listSelections()
|
|
var anchorIndex = editor.indexFromPos(_ranges[i].anchor)
|
|
var headIndex = editor.indexFromPos(_ranges[i].head)
|
|
if (anchorIndex > headIndex) {
|
|
_ranges[i].anchor.ch--
|
|
} else {
|
|
_ranges[i].head.ch--
|
|
}
|
|
cm.setSelections(_ranges)
|
|
} else {
|
|
var preEndPos = {
|
|
line: to.line,
|
|
ch: to.ch + 1
|
|
}
|
|
var preText = cm.getRange(to, preEndPos)
|
|
var preIndex = wrapSymbols.indexOf(preText)
|
|
var postEndPos = {
|
|
line: from.line,
|
|
ch: from.ch - 1
|
|
}
|
|
var postText = cm.getRange(postEndPos, from)
|
|
var postIndex = wrapSymbols.indexOf(postText)
|
|
// check if surround symbol are list in array and matched
|
|
if (preIndex > -1 && postIndex > -1 && preIndex === postIndex) {
|
|
cm.replaceRange('', to, preEndPos, '+delete')
|
|
cm.replaceRange('', postEndPos, from, '+delete')
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|