Method processDataWithHead

src/ProcessorLocal.ts:120–160

(lines: string[])

  }
  private processDataWithHead(lines: string[]): ProcessLineResult[] {
    if (this.params.noheader) {
      if (this.params.headers) {
        this.runtime.headers = this.params.headers;
      } else {
        this.runtime.headers = [];
      }
    } else {
      let left = "";
      let headerRow: string[] = [];
      while (lines.length) {
        const line = left + lines.shift();
        const row = this.rowSplit.parse(line);
        if (row.closed) {
          headerRow = row.cells;
          left = "";
          break;
        } else {
          left = line + getEol(line, this.runtime);
        }
      }
      this.prependLeftBuf(bufFromString(left));

      if (headerRow.length === 0) {
        return [];
      }
      if (this.params.headers) {
        this.runtime.headers = this.params.headers;
      } else {
        this.runtime.headers = headerRow;
      }
    }
    if (this.runtime.needProcessIgnoreColumn || this.runtime.needProcessIncludeColumn) {
      this.filterHeader();
    }
    if (this.needEmitHead && !this.headEmitted) {
      this.converter.emit("header", this.runtime.headers);
      this.headEmitted = true;
    }
    return this.processCSVBody(lines);
  }
  private filterHeader() {
    this.runtime.selectedColumns = [];
    if (this.runtime.headers) {