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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')
}
}
}
}
}
}
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