Closure requires @nocollapse on Ivy definition static fields in order to not convert them to standalone constants. However tsickle, the tool which would ordinarily be responsible for adding @nocollapse, doesn't properly annotate fields which are added synthetically via transforms. So this commit adds @nocollapse by applying regular expressions against code during the final write to disk. PR Close #25775
		
			
				
	
	
		
			26 lines
		
	
	
		
			791 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			791 B
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
/**
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 * @license
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 * Copyright Google Inc. All Rights Reserved.
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 *
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 * Use of this source code is governed by an MIT-style license that can be
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 * found in the LICENSE file at https://angular.io/license
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 */
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import {nocollapseHack} from '../../src/transformers/nocollapse_hack';
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describe('@nocollapse hack', () => {
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  it('should add @nocollapse to a basic class', () => {
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    const decl = `Foo.ngInjectorDef = define(...);`;
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    expect(nocollapseHack(decl)).toEqual('/** @nocollapse */ ' + decl);
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  });
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  it('should add nocollapse to an if (false) declaration of the kind generated by tsickle', () => {
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    const decl = `
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      if (false) {
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        /** @type {?} */
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        Foo.ngInjectorDef;
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      }
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    `;
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    expect(nocollapseHack(decl)).toContain('/** @nocollapse @type {?} */');
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  });
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}); |