mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			112 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
"use strict";
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const SideEffectsFlagPlugin = require("../lib/optimize/SideEffectsFlagPlugin");
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describe("SideEffectsFlagPlugin", () => {
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	it("should assume true", () => {
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./foo/bar.js", undefined)
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		).toBe(true);
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	});
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	it("should understand boolean values", () => {
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./foo/bar.js", true)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./foo/bar.js", false)
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		).toBe(false);
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	});
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	it("should understand a glob", () => {
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects(
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				"./src/x/y/z.js",
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				"./src/**/*.js"
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			)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./x.js", "./src/**/*.js")
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		).toBe(false);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects(
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				"./src/x/y/z.js",
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				"./**/src/x/y/z.js"
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			)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./src/x/y/z.js", "**.js")
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects(
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				"./src/x/y/z.js",
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				"./src/**/z.js"
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			)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects(
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				"./src/x/y/z.js",
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				"./**/x/**/z.js"
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			)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects(
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				"./src/x/y/z.js",
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				"./**/src/**"
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			)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./src/x/y/z.js", "./**/src/*")
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		).toBe(false);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./src/x/y/z.js", "*.js")
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./src/x/y/z.js", "x/**/z.js")
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		).toBe(false);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects(
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				"./src/x/y/z.js",
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				"src/**/z.js"
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			)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects(
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				"./src/x/y/z.js",
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				"src/**/{x,y,z}.js"
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			)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects(
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				"./src/x/y/z.js",
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				"src/**/[x-z].js"
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			)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects(
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				"./src/x/y/z.js",
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				"src/**/[[:lower:]].js"
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			)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./src/x/y/z.js", "!*.js")
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		).toBe(false);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./src/x/y/z.js", "!**/*.js")
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		).toBe(false);
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	});
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	it("should understand arrays", () => {
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		const array = ["./src/**/*.js", "./dirty.js"];
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./src/x/y/z.js", array)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./dirty.js", array)
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		).toBe(true);
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		expect(
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			SideEffectsFlagPlugin.moduleHasSideEffects("./clean.js", array)
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		).toBe(false);
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	});
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});
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