simple-squiggle

A restricted subset of Squiggle
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IndexError.js (1313B)

      1 "use strict";
      2 
      3 Object.defineProperty(exports, "__esModule", {
      4   value: true
      5 });
      6 exports.IndexError = IndexError;
      7 
      8 /**
      9  * Create a range error with the message:
     10  *     'Index out of range (index < min)'
     11  *     'Index out of range (index < max)'
     12  *
     13  * @param {number} index     The actual index
     14  * @param {number} [min=0]   Minimum index (included)
     15  * @param {number} [max]     Maximum index (excluded)
     16  * @extends RangeError
     17  */
     18 function IndexError(index, min, max) {
     19   if (!(this instanceof IndexError)) {
     20     throw new SyntaxError('Constructor must be called with the new operator');
     21   }
     22 
     23   this.index = index;
     24 
     25   if (arguments.length < 3) {
     26     this.min = 0;
     27     this.max = min;
     28   } else {
     29     this.min = min;
     30     this.max = max;
     31   }
     32 
     33   if (this.min !== undefined && this.index < this.min) {
     34     this.message = 'Index out of range (' + this.index + ' < ' + this.min + ')';
     35   } else if (this.max !== undefined && this.index >= this.max) {
     36     this.message = 'Index out of range (' + this.index + ' > ' + (this.max - 1) + ')';
     37   } else {
     38     this.message = 'Index out of range (' + this.index + ')';
     39   }
     40 
     41   this.stack = new Error().stack;
     42 }
     43 
     44 IndexError.prototype = new RangeError();
     45 IndexError.prototype.constructor = RangeError;
     46 IndexError.prototype.name = 'IndexError';
     47 IndexError.prototype.isIndexError = true;