handlebars/dist/cjs/handlebars/exception.js

Handlebars provides the power necessary to let you build semantic templates effectively with no frustration

'use strict';

exports.__esModule = true;
var errorProps = ['description', 'fileName', 'lineNumber', 'endLineNumber', 'message', 'name', 'number', 'stack'];

function Exception(message, node) {
  var loc = node && node.loc,
      line = undefined,
      endLineNumber = undefined,
      column = undefined,
      endColumn = undefined;

  // Hand-built ASTs may carry a partial loc; never let the location
  // bookkeeping mask the actual error message.
  if (loc && loc.start) {
    line = loc.start.line;
    column = loc.start.column;
    if (loc.end) {
      endLineNumber = loc.end.line;
      endColumn = loc.end.column;
    }

    message += ' - ' + line + ':' + column;
  }

  var tmp = Error.prototype.constructor.call(this, message);

  // Unfortunately errors are not enumerable in Chrome (at least), so `for prop in tmp` doesn't work.
  for (var idx = 0; idx < errorProps.length; idx++) {
    this[errorProps[idx]] = tmp[errorProps[idx]];
  }

  /* istanbul ignore else */
  if (Error.captureStackTrace) {
    Error.captureStackTrace(this, Exception);
  }

  try {
    if (loc) {
      this.lineNumber = line;
      this.endLineNumber = endLineNumber;

      // Work around issue under safari where we can't directly set the column value
      /* istanbul ignore next */
      if (Object.defineProperty) {
        Object.defineProperty(this, 'column', {
          value: column,
          enumerable: true
        });
        Object.defineProperty(this, 'endColumn', {
          value: endColumn,
          enumerable: true
        });
      } else {
        this.column = column;
        this.endColumn = endColumn;
      }
    }
  } catch (nop) {
    /* Ignore if the browser is very particular */
  }
}

Exception.prototype = new Error();

exports['default'] = Exception;
module.exports = exports['default'];
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