string-cooked.js 1005 B

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  1. var uncurryThis = require('../internals/function-uncurry-this');
  2. var toIndexedObject = require('../internals/to-indexed-object');
  3. var toString = require('../internals/to-string');
  4. var lengthOfArrayLike = require('../internals/length-of-array-like');
  5. var $TypeError = TypeError;
  6. var push = uncurryThis([].push);
  7. var join = uncurryThis([].join);
  8. // `String.cooked` method
  9. // https://tc39.es/proposal-string-cooked/
  10. module.exports = function cooked(template /* , ...substitutions */) {
  11. var cookedTemplate = toIndexedObject(template);
  12. var literalSegments = lengthOfArrayLike(cookedTemplate);
  13. if (!literalSegments) return '';
  14. var argumentsLength = arguments.length;
  15. var elements = [];
  16. var i = 0;
  17. while (true) {
  18. var nextVal = cookedTemplate[i++];
  19. if (nextVal === undefined) throw $TypeError('Incorrect template');
  20. push(elements, toString(nextVal));
  21. if (i === literalSegments) return join(elements, '');
  22. if (i < argumentsLength) push(elements, toString(arguments[i]));
  23. }
  24. };