Class Range

lib/doc/range.js:4–255

// used by worksheet to calculate sheet dimensions
class Range {
  constructor() {
    this.decode(arguments);
  }

  setTLBR(t, l, b, r, s) {
    if (arguments.length < 4) {
      // setTLBR(tl, br, s)
      const tl = colCache.decodeAddress(t);
      const br = colCache.decodeAddress(l);
      this.model = {
        top: Math.min(tl.row, br.row),
        left: Math.min(tl.col, br.col),
        bottom: Math.max(tl.row, br.row),
        right: Math.max(tl.col, br.col),
        sheetName: b,
      };

      this.setTLBR(tl.row, tl.col, br.row, br.col, s);
    } else {
      // setTLBR(t, l, b, r, s)
      this.model = {
        top: Math.min(t, b),
        left: Math.min(l, r),
        bottom: Math.max(t, b),
        right: Math.max(l, r),
        sheetName: s,
      };
    }
  }

  decode(argv) {
    switch (argv.length) {
      case 5: // [t,l,b,r,s]
        this.setTLBR(argv[0], argv[1], argv[2], argv[3], argv[4]);
        break;
      case 4: // [t,l,b,r]
        this.setTLBR(argv[0], argv[1], argv[2], argv[3]);
        break;

      case 3: // [tl,br,s]
        this.setTLBR(argv[0], argv[1], argv[2]);
        break;
      case 2: // [tl,br]
        this.setTLBR(argv[0], argv[1]);
        break;

      case 1: {
        const value = argv[0];
        if (value instanceof Range) {
          // copy constructor
          this.model = {
            top: value.model.top,
            left: value.model.left,
            bottom: value.model.bottom,
            right: value.model.right,
            sheetName: value.sheetName,
          };