Method origin

lib/input.js:205–252

(line, column, endLine, endColumn)

  }

  origin(line, column, endLine, endColumn) {
    if (!this.map) return false
    let consumer = this.map.consumer()

    let from = consumer.originalPositionFor({ column: column - 1, line })
    if (!from.source) return false

    let to
    if (typeof endLine === 'number') {
      to = consumer.originalPositionFor({
        column: endColumn - 1,
        line: endLine
      })
    }

    let fromUrl

    if (isAbsolute(from.source)) {
      fromUrl = pathToFileURL(from.source)
    } else {
      fromUrl = new URL(
        from.source,
        this.map.consumer().sourceRoot || pathToFileURL(this.map.mapFile)
      )
    }

    let result = {
      column: from.column + 1,
      endColumn: to && to.column + 1,
      endLine: to && to.line,
      line: from.line,
      url: fromUrl.toString()
    }

    if (fromUrl.protocol === 'file:') {
      if (fileURLToPath) {
        result.file = fileURLToPath(fromUrl)
      } else {
        /* c8 ignore next 2 */
        throw new Error(`file: protocol is not available in this PostCSS build`)
      }
    }

    let source = consumer.sourceContentFor(from.source)
    if (source) result.source = source

    return result
  }

  toJSON() {
    let json = {}