1  const path = require('path');
 2  const Package = require('./package');
 3  
 4  module.exports = class ThemePackage extends Package {
 5    getType() {
 6      return 'theme';
 7    }
 8  
 9    getStyleSheetPriority() {
10      return 1;
11    }
12  
13    enable() {
14      this.config.unshiftAtKeyPath('core.themes', this.name);
15    }
16  
17    disable() {
18      this.config.removeAtKeyPath('core.themes', this.name);
19    }
20  
21    preload() {
22      this.loadTime = 0;
23      this.configSchemaRegisteredOnLoad = this.registerConfigSchemaFromMetadata();
24    }
25  
26    finishLoading() {
27      this.path = path.join(this.packageManager.resourcePath, this.path);
28    }
29  
30    load() {
31      this.loadTime = 0;
32      this.configSchemaRegisteredOnLoad = this.registerConfigSchemaFromMetadata();
33      return this;
34    }
35  
36    activate() {
37      if (this.activationPromise == null) {
38        this.activationPromise = new Promise((resolve, reject) => {
39          this.resolveActivationPromise = resolve;
40          this.rejectActivationPromise = reject;
41          this.measure('activateTime', () => {
42            try {
43              this.loadStylesheets();
44              this.activateNow();
45            } catch (error) {
46              this.handleError(
47                `Failed to activate the ${this.name} theme`,
48                error
49              );
50            }
51          });
52        });
53      }
54  
55      return this.activationPromise;
56    }
57  };