Method fromOffset

lib/input.js:170–196

(offset)

  }

  fromOffset(offset) {
    let lineToIndex = getLineToIndex(this)
    let lastLine = lineToIndex[lineToIndex.length - 1]

    let min = 0
    if (offset >= lastLine) {
      min = lineToIndex.length - 1
    } else {
      let max = lineToIndex.length - 2
      let mid
      while (min < max) {
        mid = min + ((max - min) >> 1)
        if (offset < lineToIndex[mid]) {
          max = mid - 1
        } else if (offset >= lineToIndex[mid + 1]) {
          min = mid + 1
        } else {
          min = mid
          break
        }
      }
    }
    return {
      col: offset - lineToIndex[min] + 1,
      line: min + 1
    }
  }

  mapResolve(file) {
    if (/^\w+:\/\//.test(file)) {