Method handleEvent

website/script/index.js:373–546

(event)

  }

  handleEvent(event) {
    if (event.type === "change") {
      try {
        if (this.format === "lex") {
          const start = performance.now();
          const tokens = lex(this.code);
          this.dispatchEvent(
            new MetricEvent("parseend", performance.now() - start),
          );
          this.view.dispatch(
            this.view.state.update({
              changes: {
                from: 0,
                to: this.view.state.doc.length,
                insert: JSON.stringify(tokens, null, 2),
              },
            }),
          );
          this.dispatchEvent(new CsskitDiagnosticEvent([]));
        } else if (this.format === "errors") {
          const start = performance.now();
          const { diagnostics } = parse(this.code);
          this.dispatchEvent(new MetricEvent("parseend", performance.now() - start));
          const report = parse_error_report(this.code);
          this.view.dispatch(
            this.view.state.update({
              changes: {
                from: 0,
                to: this.view.state.doc.length,
                insert: report,
              },
            }),
          );
          this.dispatchEvent(new CsskitDiagnosticEvent(diagnostics));
        } else if (this.format === "format") {
          const start = performance.now();
          const formatted = format(this.code, this.formatOptions);
          this.dispatchEvent(
            new MetricEvent("parseend", performance.now() - start),
          );
          this.view.dispatch(
            this.view.state.update({
              changes: {
                from: 0,
                to: this.view.state.doc.length,
                insert: formatted,
              },
            }),
          );
          this.dispatchEvent(new CsskitDiagnosticEvent([]));
        } else if (this.format === "minify") {
          const start = performance.now();
          const minified = minify(this.code);
          this.dispatchEvent(
            new MetricEvent("parseend", performance.now() - start),
          );
          this.dispatchEvent(
            new MetricEvent("minify", minified.length, "bytes"),