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webpack/test/WebpackOptionsDefaulter.uni...

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const jestDiff = require("jest-diff");
const stripAnsi = require("strip-ansi");
const WebpackOptionsDefaulter = require("../lib/WebpackOptionsDefaulter");
/**
* Escapes regular expression metacharacters
* @param {string} str String to quote
* @returns {string} Escaped string
*/
const quotemeta = str => {
return str.replace(/[-[\]\\/{}()*+?.^$|]/g, "\\$&");
};
describe("WebpackOptionsDefaulter", () => {
const cwd = process.cwd();
const cwdRegExp = new RegExp(
`${quotemeta(cwd)}((?:\\\\)?(?:[a-zA-Z.\\-_]+\\\\)*)`,
"g"
);
const escapedCwd = JSON.stringify(cwd).slice(1, -1);
const escapedCwdRegExp = new RegExp(
`${quotemeta(escapedCwd)}((?:\\\\\\\\)?(?:[a-zA-Z.\\-_]+\\\\\\\\)*)`,
"g"
);
const normalizeCwd = str => {
if (cwd.startsWith("/")) {
str = str.replace(new RegExp(quotemeta(cwd), "g"), "<cwd>");
} else {
str = str.replace(cwdRegExp, (m, g) => `<cwd>${g.replace(/\\/g, "/")}`);
str = str.replace(
escapedCwdRegExp,
(m, g) => `<cwd>${g.replace(/\\\\/g, "/")}`
);
}
return str;
};
class Diff {
constructor(value) {
this.value = value;
}
}
expect.addSnapshotSerializer({
test(value) {
return value instanceof Diff;
},
print(received) {
return normalizeCwd(received.value);
}
});
expect.addSnapshotSerializer({
test(value) {
return typeof value === "string";
},
print(received) {
return JSON.stringify(normalizeCwd(received));
}
});
const getDefaultConfig = config =>
new WebpackOptionsDefaulter().process(config);
const baseConfig = getDefaultConfig({ mode: "none" });
it("should have the correct base config", () => {
expect(baseConfig).toMatchInlineSnapshot(`
Object {
"cache": false,
"context": "<cwd>",
"devtool": false,
"entry": "./src",
"experiments": Object {
"asset": false,
"asyncWebAssembly": false,
"importAsync": false,
"importAwait": false,
"mjs": false,
"outputModule": false,
"syncWebAssembly": false,
"topLevelAwait": false,
},
"infrastructureLogging": Object {
"debug": false,
"level": "info",
},
"mode": "none",
"module": Object {
"defaultRules": Array [
Object {
"resolve": Object {},
"type": "javascript/auto",
},
Object {
"test": /\\\\\\.json\\$/i,
"type": "json",
},
],
"exprContextCritical": true,
"exprContextRecursive": true,
"exprContextRegExp": false,
"exprContextRequest": ".",
"rules": Array [],
"strictExportPresence": false,
"strictThisContextOnImports": false,
"unknownContextCritical": true,
"unknownContextRecursive": true,
"unknownContextRegExp": false,
"unknownContextRequest": ".",
"unsafeCache": undefined,
"wrappedContextCritical": false,
"wrappedContextRecursive": true,
"wrappedContextRegExp": /\\.\\*/,
},
"node": Object {
"__dirname": "mock",
"__filename": "mock",
"global": true,
},
"optimization": Object {
"checkWasmTypes": false,
"chunkIds": "natural",
"concatenateModules": false,
"flagIncludedChunks": false,
"innerGraph": true,
"mangleExports": false,
"mangleWasmImports": false,
"mergeDuplicateChunks": true,
"minimize": false,
"minimizer": Array [
Object {
"apply": [Function],
},
],
"moduleIds": "natural",
"noEmitOnErrors": false,
"nodeEnv": false,
"portableRecords": false,
"providedExports": true,
"removeAvailableModules": false,
"removeEmptyChunks": true,
"runtimeChunk": undefined,
"sideEffects": true,
"splitChunks": Object {
"automaticNameDelimiter": "-",
"cacheGroups": Object {
"default": Object {
"idHint": "",
"minChunks": 2,
"priority": -20,
"reuseExistingChunk": true,
},
"defaultVendors": Object {
"idHint": "vendors",
"priority": -10,
"reuseExistingChunk": true,
"test": /\\[\\\\\\\\/\\]node_modules\\[\\\\\\\\/\\]/i,
},
},
"chunks": "async",
"hidePathInfo": false,
"maxAsyncRequests": Infinity,
"maxInitialRequests": Infinity,
"minChunks": 1,
"minRemainingSize": undefined,
"minSize": 10000,
},
"usedExports": true,
},
"output": Object {
"assetModuleFilename": "[hash][ext]",
"chunkCallbackName": "webpackChunk",
"chunkFilename": "[name].js",
"chunkLoadTimeout": 120000,
"compareBeforeEmit": true,
"crossOriginLoading": false,
"devtoolNamespace": "",
"ecmaVersion": 6,
"filename": "[name].js",
"globalObject": "window",
"hashDigest": "hex",
"hashDigestLength": 20,
"hashFunction": "md4",
"hotUpdateChunkFilename": "[id].[fullhash].hot-update.js",
"hotUpdateFunction": "webpackHotUpdate",
"hotUpdateMainFilename": "[fullhash].hot-update.json",
"iife": true,
"jsonpFunction": "webpackJsonp",
"jsonpScriptType": false,
"library": "",
"libraryTarget": "var",
"module": false,
"path": "<cwd>/dist",
"pathinfo": false,
"publicPath": "",
"sourceMapFilename": "[file].map[query]",
"strictModuleExceptionHandling": false,
"webassemblyModuleFilename": "[hash].module.wasm",
},
"performance": false,
"resolve": Object {
"aliasFields": Array [
"browser",
],
"cache": false,
"extensions": Array [
".js",
".json",
".wasm",
],
"mainFields": Array [
"browser",
"module",
"main",
],
"mainFiles": Array [
"index",
],
"modules": Array [
"node_modules",
],
},
"resolveLoader": Object {
"cache": false,
"extensions": Array [
".js",
],
"mainFields": Array [
"loader",
"main",
],
"mainFiles": Array [
"index",
],
},
"target": "web",
}
`);
});
const test = (name, options, fn) => {
it(`should generate the correct defaults from ${name}`, () => {
if (!("mode" in options)) options.mode = "none";
const result = getDefaultConfig(options);
const diff = stripAnsi(
jestDiff(baseConfig, result, { expand: false, contextLines: 0 })
);
fn(expect(new Diff(diff)), expect(result));
});
};
test("empty config", {}, e =>
e.toMatchInlineSnapshot(`Compared values have no visual difference.`)
);
test("none mode", { mode: "none" }, e =>
e.toMatchInlineSnapshot(`Compared values have no visual difference.`)
);
test("no mode provided", { mode: undefined }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -20,1 +20,1 @@
- "mode": "none",
+ "mode": undefined,
@@ -54,4 +54,4 @@
- "checkWasmTypes": false,
- "chunkIds": "natural",
- "concatenateModules": false,
- "flagIncludedChunks": false,
+ "checkWasmTypes": true,
+ "chunkIds": "deterministic",
+ "concatenateModules": true,
+ "flagIncludedChunks": true,
@@ -59,1 +59,1 @@
- "mangleExports": false,
+ "mangleExports": true,
@@ -62,1 +62,1 @@
- "minimize": false,
+ "minimize": true,
@@ -68,3 +68,3 @@
- "moduleIds": "natural",
- "noEmitOnErrors": false,
- "nodeEnv": false,
+ "moduleIds": "deterministic",
+ "noEmitOnErrors": true,
+ "nodeEnv": "production",
@@ -94,3 +94,3 @@
- "hidePathInfo": false,
- "maxAsyncRequests": Infinity,
- "maxInitialRequests": Infinity,
+ "hidePathInfo": true,
+ "maxAsyncRequests": 6,
+ "maxInitialRequests": 4,
@@ -99,1 +99,1 @@
- "minSize": 10000,
+ "minSize": 30000,
@@ -133,1 +133,5 @@
- "performance": false,
+ "performance": Object {
+ "hints": "warning",
+ "maxAssetSize": 250000,
+ "maxEntrypointSize": 250000,
+ },
`)
);
test("production", { mode: "production" }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -20,1 +20,1 @@
- "mode": "none",
+ "mode": "production",
@@ -54,4 +54,4 @@
- "checkWasmTypes": false,
- "chunkIds": "natural",
- "concatenateModules": false,
- "flagIncludedChunks": false,
+ "checkWasmTypes": true,
+ "chunkIds": "deterministic",
+ "concatenateModules": true,
+ "flagIncludedChunks": true,
@@ -59,1 +59,1 @@
- "mangleExports": false,
+ "mangleExports": true,
@@ -62,1 +62,1 @@
- "minimize": false,
+ "minimize": true,
@@ -68,3 +68,3 @@
- "moduleIds": "natural",
- "noEmitOnErrors": false,
- "nodeEnv": false,
+ "moduleIds": "deterministic",
+ "noEmitOnErrors": true,
+ "nodeEnv": "production",
@@ -94,3 +94,3 @@
- "hidePathInfo": false,
- "maxAsyncRequests": Infinity,
- "maxInitialRequests": Infinity,
+ "hidePathInfo": true,
+ "maxAsyncRequests": 6,
+ "maxInitialRequests": 4,
@@ -99,1 +99,1 @@
- "minSize": 10000,
+ "minSize": 30000,
@@ -133,1 +133,5 @@
- "performance": false,
+ "performance": Object {
+ "hints": "warning",
+ "maxAssetSize": 250000,
+ "maxEntrypointSize": 250000,
+ },
`)
);
test("development", { mode: "development" }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -2,1 +2,7 @@
- "cache": false,
+ "cache": Object {
+ "immutablePaths": undefined,
+ "managedPaths": Array [
+ "<cwd>/node_modules",
+ ],
+ "type": "memory",
+ },
@@ -4,1 +10,1 @@
- "devtool": false,
+ "devtool": "eval",
@@ -20,1 +26,1 @@
- "mode": "none",
+ "mode": "development",
@@ -43,1 +49,1 @@
- "unsafeCache": undefined,
+ "unsafeCache": [Function anonymous],
@@ -55,1 +61,1 @@
- "chunkIds": "natural",
+ "chunkIds": "named",
@@ -68,1 +74,1 @@
- "moduleIds": "natural",
+ "moduleIds": "named",
@@ -70,1 +76,1 @@
- "nodeEnv": false,
+ "nodeEnv": "development",
@@ -98,1 +104,1 @@
- "minRemainingSize": undefined,
+ "minRemainingSize": 0,
@@ -127,1 +133,1 @@
- "pathinfo": false,
+ "pathinfo": true,
@@ -138,1 +144,1 @@
- "cache": false,
+ "cache": true,
@@ -157,1 +163,1 @@
- "cache": false,
+ "cache": true,
`)
);
test("sync wasm", { experiments: { syncWebAssembly: true } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -13,1 +13,1 @@
- "syncWebAssembly": false,
+ "syncWebAssembly": true,
@@ -30,0 +30,4 @@
+ },
+ Object {
+ "test": /\\.wasm$/i,
+ "type": "webassembly/sync",
`)
);
test("mjs", { experiments: { mjs: true } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -11,1 +11,1 @@
- "mjs": false,
+ "mjs": true,
@@ -28,0 +28,10 @@
+ "resolve": Object {
+ "mainFields": Array [
+ "browser",
+ "main",
+ ],
+ },
+ "test": /\\.mjs$/i,
+ "type": "javascript/esm",
+ },
+ Object {
@@ -140,0 +150,1 @@
+ ".mjs",
`)
);
test("output module", { experiments: { outputModule: true } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -12,1 +12,1 @@
- "outputModule": false,
+ "outputModule": true,
@@ -120,1 +120,1 @@
- "iife": true,
+ "iife": false,
@@ -122,1 +122,1 @@
- "jsonpScriptType": false,
+ "jsonpScriptType": "module",
@@ -124,2 +124,2 @@
- "libraryTarget": "var",
- "module": false,
+ "libraryTarget": "module",
+ "module": true,
`)
);
test("async wasm", { experiments: { asyncWebAssembly: true } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -8,1 +8,1 @@
- "asyncWebAssembly": false,
+ "asyncWebAssembly": true,
@@ -30,0 +30,4 @@
+ },
+ Object {
+ "test": /\\.wasm$/i,
+ "type": "webassembly/async",
`)
);
test(
"both wasm",
{ experiments: { syncWebAssembly: true, asyncWebAssembly: true } },
e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -8,1 +8,1 @@
- "asyncWebAssembly": false,
+ "asyncWebAssembly": true,
@@ -13,1 +13,1 @@
- "syncWebAssembly": false,
+ "syncWebAssembly": true,
@@ -30,0 +30,8 @@
+ },
+ Object {
+ "test": /\\.wasm$/i,
+ "type": "webassembly/sync",
+ },
+ Object {
+ "test": /\\.wasm$/i,
+ "type": "webassembly/async",
`)
);
test("const filename", { output: { filename: "bundle.js" } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -106,1 +106,1 @@
- "chunkFilename": "[name].js",
+ "chunkFilename": "[id].bundle.js",
@@ -112,1 +112,1 @@
- "filename": "[name].js",
+ "filename": "bundle.js",
`)
);
test("function filename", { output: { filename: () => "bundle.js" } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -106,1 +106,1 @@
- "chunkFilename": "[name].js",
+ "chunkFilename": "[id].js",
@@ -112,1 +112,1 @@
- "filename": "[name].js",
+ "filename": [Function filename],
`)
);
test("library", { output: { library: ["myLib", "awesome"] } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -105,1 +105,1 @@
- "chunkCallbackName": "webpackChunk",
+ "chunkCallbackName": "webpackChunkmyLib_awesome",
@@ -110,1 +110,1 @@
- "devtoolNamespace": "",
+ "devtoolNamespace": "myLib.awesome",
@@ -118,1 +118,1 @@
- "hotUpdateFunction": "webpackHotUpdate",
+ "hotUpdateFunction": "webpackHotUpdatemyLib_awesome",
@@ -121,1 +121,1 @@
- "jsonpFunction": "webpackJsonp",
+ "jsonpFunction": "webpackJsonpmyLib_awesome",
@@ -123,1 +123,4 @@
- "library": "",
+ "library": Array [
+ "myLib",
+ "awesome",
+ ],
`)
);
test("target node", { target: "node" }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -49,3 +49,3 @@
- "__dirname": "mock",
- "__filename": "mock",
- "global": true,
+ "__dirname": false,
+ "__filename": false,
+ "global": false,
@@ -113,1 +113,1 @@
- "globalObject": "window",
+ "globalObject": "global",
@@ -135,3 +135,1 @@
- "aliasFields": Array [
- "browser",
- ],
+ "aliasFields": Array [],
@@ -145,1 +143,0 @@
- "browser",
@@ -169,1 +166,1 @@
- "target": "web",
+ "target": "node",
`)
);
test("target webworker", { target: "webworker" }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -113,1 +113,1 @@
- "globalObject": "window",
+ "globalObject": "self",
@@ -169,1 +169,1 @@
- "target": "web",
+ "target": "webworker",
`)
);
test("records", { recordsPath: "some-path" }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -71,1 +71,1 @@
- "portableRecords": false,
+ "portableRecords": true,
@@ -134,0 +134,1 @@
+ "recordsPath": "some-path",
`)
);
test("ecamVersion", { output: { ecmaVersion: 2020 } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -111,1 +111,1 @@
- "ecmaVersion": 6,
+ "ecmaVersion": 11,
`)
);
test("single runtimeChunk", { optimization: { runtimeChunk: "single" } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -75,1 +75,3 @@
- "runtimeChunk": undefined,
+ "runtimeChunk": Object {
+ "name": "runtime",
+ },
`)
);
test(
"single runtimeChunk",
{ optimization: { runtimeChunk: "multiple" } },
e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -75,1 +75,3 @@
- "runtimeChunk": undefined,
+ "runtimeChunk": Object {
+ "name": [Function name],
+ },
`)
);
test("single runtimeChunk", { optimization: { runtimeChunk: true } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -75,1 +75,3 @@
- "runtimeChunk": undefined,
+ "runtimeChunk": Object {
+ "name": [Function name],
+ },
`)
);
test("output shortcut", { output: "bundle.js" }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -106,1 +106,1 @@
- "chunkFilename": "[name].js",
+ "chunkFilename": "[id].bundle.js",
@@ -112,1 +112,1 @@
- "filename": "[name].js",
+ "filename": "bundle.js",
`)
);
test("cache true", { cache: true }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -2,1 +2,7 @@
- "cache": false,
+ "cache": Object {
+ "immutablePaths": undefined,
+ "managedPaths": Array [
+ "<cwd>/node_modules",
+ ],
+ "type": "memory",
+ },
@@ -43,1 +49,1 @@
- "unsafeCache": undefined,
+ "unsafeCache": [Function anonymous],
@@ -138,1 +144,1 @@
- "cache": false,
+ "cache": true,
@@ -157,1 +163,1 @@
- "cache": false,
+ "cache": true,
`)
);
test("cache filesystem", { cache: { type: "filesystem" } }, e =>
e.toMatchInlineSnapshot(`
- Expected
+ Received
@@ -2,1 +2,20 @@
- "cache": false,
+ "cache": Object {
+ "buildDependencies": Object {
+ "defaultWebpack": Array [
+ "<cwd>/lib/",
+ ],
+ },
+ "cacheDirectory": "<cwd>/node_modules/.cache/webpack",
+ "cacheLocation": "<cwd>/node_modules/.cache/webpack/default-none",
+ "hashAlgorithm": "md4",
+ "idleTimeout": 60000,
+ "idleTimeoutForInitialStore": 0,
+ "immutablePaths": undefined,
+ "managedPaths": Array [
+ "<cwd>/node_modules",
+ ],
+ "name": "default-none",
+ "store": "pack",
+ "type": "filesystem",
+ "version": "",
+ },
@@ -43,1 +62,1 @@
- "unsafeCache": undefined,
+ "unsafeCache": [Function anonymous],
@@ -138,1 +157,1 @@
- "cache": false,
+ "cache": true,
@@ -157,1 +176,1 @@
- "cache": false,
+ "cache": true,
`)
);
});
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