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const wrapSymbols = ['*', '_', '~', '^', '+', '=']
export function wrapTextWith (editor, cm, symbol) {
if (!cm.getSelection()) {
return CodeMirror.Pass
} else {
const ranges = cm.listSelections()
for (let i = 0; i < ranges.length; i++) {
const range = ranges[i]
if (!range.empty()) {
const from = range.from()
const to = range.to()
if (symbol !== 'Backspace') {
const selection = cm.getRange(from, to)
const anchorIndex = editor.indexFromPos(ranges[i].anchor)
const headIndex = editor.indexFromPos(ranges[i].head)
cm.replaceRange(symbol + selection + symbol, from, to, '+input')
if (anchorIndex > headIndex) {
ranges[i].anchor.ch += symbol.length
ranges[i].head.ch += symbol.length
} else {
ranges[i].head.ch += symbol.length
ranges[i].anchor.ch += symbol.length
}
cm.setSelections(ranges)
} else {
const preEndPos = {
line: to.line,
ch: to.ch + symbol.length
}
const preText = cm.getRange(to, preEndPos)
const preIndex = wrapSymbols.indexOf(preText)
const postEndPos = {
line: from.line,
ch: from.ch - symbol.length
}
const postText = cm.getRange(postEndPos, from)
const 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')
}
}
}
}
}
}
export function insertText (cm, text, cursorEnd = 0) {
const cursor = cm.getCursor()
cm.replaceSelection(text, cursor, cursor)
cm.focus()
cm.setCursor({ line: cursor.line, ch: cursor.ch + cursorEnd })
}
export function insertLink (cm, isImage) {
const cursor = cm.getCursor()
const ranges = cm.listSelections()
const linkEnd = '](https://)'
const symbol = (isImage) ? '![' : '['
for (let i = 0; i < ranges.length; i++) {
const range = ranges[i]
if (!range.empty()) {
const from = range.from()
const to = range.to()
const anchorIndex = editor.indexFromPos(ranges[i].anchor)
const headIndex = editor.indexFromPos(ranges[i].head)
let selection = cm.getRange(from, to)
selection = symbol + selection + linkEnd
cm.replaceRange(selection, from, to)
if (anchorIndex > headIndex) {
ranges[i].anchor.ch += symbol.length
ranges[i].head.ch += symbol.length
} else {
ranges[i].head.ch += symbol.length
ranges[i].anchor.ch += symbol.length
}
cm.setSelections(ranges)
} else {
cm.replaceRange(symbol + linkEnd, cursor, cursor)
cm.setCursor({ line: cursor.line, ch: cursor.ch + symbol.length + linkEnd.length })
}
}
cm.focus()
}
export function insertHeader (cm) {
const cursor = cm.getCursor()
const startOfLine = { line: cursor.line, ch: 0 }
const startOfLineText = cm.getRange(startOfLine, { line: cursor.line, ch: 1 })
// See if it is already a header
if (startOfLineText === '#') {
cm.replaceRange('#', startOfLine, startOfLine)
} else {
cm.replaceRange('# ', startOfLine, startOfLine)
}
cm.focus()
}
export function insertOnStartOfLines (cm, symbol) {
const cursor = cm.getCursor()
const ranges = cm.listSelections()
for (let i = 0; i < ranges.length; i++) {
const range = ranges[i]
if (!range.empty()) {
const cursorFrom = range.from()
const cursorTo = range.to()
const firstLineStart = { line: cursorFrom.line, ch: 0 }
const lastLineEnd = { line: cursorTo.line, ch: cm.getLine(cursorTo.line).length }
let selection = cm.getRange(firstLineStart, lastLineEnd)
selection = selection.replace(/\n/g, '\n' + symbol)
selection = symbol + selection
cm.replaceRange(selection, firstLineStart, lastLineEnd)
} else {
cm.replaceRange(symbol, { line: cursor.line, ch: 0 }, { line: cursor.line, ch: 0 })
}
}
cm.setCursor({ line: cursor.line, ch: cursor.ch + symbol.length })
cm.focus()
}
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