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SideEffectsFlagPlugin.unittest.js
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SideEffectsFlagPlugin.unittest.js
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"use strict";
const SideEffectsFlagPlugin = require("../lib/optimize/SideEffectsFlagPlugin");
describe("SideEffectsFlagPlugin", () => {
it("should assume true", () => {
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./foo/bar.js",
undefined,
new Map()
)
).toBe(true);
});
it("should understand boolean values", () => {
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./foo/bar.js",
true,
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./foo/bar.js",
false,
new Map()
)
).toBe(false);
});
it("should understand a glob", () => {
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"./src/**/*.js",
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./x.js",
"./src/**/*.js",
new Map()
)
).toBe(false);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"./**/src/x/y/z.js",
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"**.js",
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"./src/**/z.js",
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"./**/x/**/z.js",
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"./**/src/**",
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"./**/src/*",
new Map()
)
).toBe(false);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"*.js",
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"x/**/z.js",
new Map()
)
).toBe(false);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"src/**/z.js",
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"src/**/{x,y,z}.js",
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
"src/**/[x-z].js",
new Map()
)
).toBe(true);
});
it("should understand arrays", () => {
const array = ["./src/**/*.js", "./dirty.js"];
expect(
SideEffectsFlagPlugin.moduleHasSideEffects(
"./src/x/y/z.js",
array,
new Map()
)
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects("./dirty.js", array, new Map())
).toBe(true);
expect(
SideEffectsFlagPlugin.moduleHasSideEffects("./clean.js", array, new Map())
).toBe(false);
});
});