StringToCodePoints.js 594 B

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  1. 'use strict';
  2. var $TypeError = require('es-errors/type');
  3. var CodePointAt = require('./CodePointAt');
  4. // https://262.ecma-international.org/12.0/#sec-stringtocodepoints
  5. module.exports = function StringToCodePoints(string) {
  6. if (typeof string !== 'string') {
  7. throw new $TypeError('Assertion failed: `string` must be a String');
  8. }
  9. var codePoints = [];
  10. var size = string.length;
  11. var position = 0;
  12. while (position < size) {
  13. var cp = CodePointAt(string, position);
  14. codePoints[codePoints.length] = cp['[[CodePoint]]'];
  15. position += cp['[[CodeUnitCount]]'];
  16. }
  17. return codePoints;
  18. };