context.js 369 B

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", { value: true });
  3. exports.getCanvasContext = void 0;
  4. var ctx;
  5. /**
  6. * 获取 canvas context
  7. */
  8. function getCanvasContext() {
  9. if (!ctx) {
  10. ctx = document.createElement('canvas').getContext('2d');
  11. }
  12. return ctx;
  13. }
  14. exports.getCanvasContext = getCanvasContext;
  15. //# sourceMappingURL=context.js.map