From 1667fd2b97f4e140b57434723a349b1af30c7b2d Mon Sep 17 00:00:00 2001 From: EGOIST <0x142857@gmail.com> Date: Thu, 16 Sep 2021 21:06:02 +0800 Subject: [PATCH] feat: make experimental cjs code splitting available behine flag `--splitting` closes #408 --- docs/README.md | 9 ++++-- package-lock.json | 80 +++++++++++----------------------------------- package.json | 2 +- src/index.ts | 22 +++++++++++-- test/index.test.ts | 38 ++++++++++++++++++++++ 5 files changed, 83 insertions(+), 68 deletions(-) diff --git a/docs/README.md b/docs/README.md index 7bc865de..ef96256d 100644 --- a/docs/README.md +++ b/docs/README.md @@ -33,9 +33,6 @@ tsup src/index.ts src/cli.ts ``` This will output `dist/index.js` and `dist/cli.js`. - -Code splitting only works in `esm` format and is enabled by default. - ### Excluding packages By default tsup bundles all `import`-ed modules but `dependencies` and `peerDependencies` in your `packages.json` are always excluded, you can also use `--external ` flag to mark other packages as external. @@ -188,6 +185,12 @@ dist └── index.js ``` +## Code Splitting + +Code splitting currently only works with the `esm` output format, and it's enabled by default. If you want code splitting for `cjs` output format as well, try using `--splitting` flag which is an experimental feature to get rid of [the limitation in esbuild](https://esbuild.github.io/api/#splitting). + +To disable code splitting altogether, try the `--no-splitting` flag instead. + ### ES5 support You can use `--target es5` to compile the code down to es5, it's processed by [buble](http://buble.surge.sh/). Some features are NOT supported by this target, namely: `for .. of`. diff --git a/package-lock.json b/package-lock.json index 0b12fbff..ea904e3a 100644 --- a/package-lock.json +++ b/package-lock.json @@ -19,6 +19,7 @@ "postcss-load-config": "^3.0.1", "resolve-from": "^5.0.0", "rollup": "^2.56.1", + "sucrase": "^3.20.1", "tree-kill": "^1.2.2" }, "bin": { @@ -47,7 +48,6 @@ "rollup-plugin-hashbang": "^2.2.2", "string-argv": "^0.3.1", "strip-json-comments": "^3.1.1", - "sucrase": "^3.20.1", "svelte": "3.37.0", "ts-essentials": "^7.0.1", "ts-jest": "^26.5.5", @@ -1195,8 +1195,7 @@ "node_modules/any-promise": { "version": "1.3.0", "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz", - "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8=", - "dev": true + "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8=" }, "node_modules/anymatch": { "version": "3.1.2", @@ -1394,8 +1393,7 @@ "node_modules/balanced-match": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz", - "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==", - "dev": true + "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==" }, "node_modules/base": { "version": "0.11.2", @@ -1439,7 +1437,6 @@ "version": "1.1.11", "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz", "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==", - "dev": true, "dependencies": { "balanced-match": "^1.0.0", "concat-map": "0.0.1" @@ -1900,7 +1897,6 @@ "version": "4.1.1", "resolved": "https://registry.npmjs.org/commander/-/commander-4.1.1.tgz", "integrity": "sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==", - "dev": true, "engines": { "node": ">= 6" } @@ -1914,8 +1910,7 @@ "node_modules/concat-map": { "version": "0.0.1", "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz", - "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=", - "dev": true + "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=" }, "node_modules/consola": { "version": "2.15.3", @@ -2649,8 +2644,7 @@ "node_modules/fs.realpath": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz", - "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=", - "dev": true + "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=" }, "node_modules/fsevents": { "version": "2.3.2", @@ -3026,7 +3020,6 @@ "version": "1.0.6", "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz", "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=", - "dev": true, "dependencies": { "once": "^1.3.0", "wrappy": "1" @@ -3035,8 +3028,7 @@ "node_modules/inherits": { "version": "2.0.4", "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz", - "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==", - "dev": true + "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==" }, "node_modules/is-accessor-descriptor": { "version": "1.0.0", @@ -4280,7 +4272,6 @@ "version": "3.0.4", "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz", "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==", - "dev": true, "dependencies": { "brace-expansion": "^1.1.7" }, @@ -4328,7 +4319,6 @@ "version": "2.7.0", "resolved": "https://registry.npmjs.org/mz/-/mz-2.7.0.tgz", "integrity": "sha512-z81GNO7nnYMEhrGh9LeymoE4+Yr0Wn5McHIZMK5cfQCl+NDX08sCZgUc9/6MHni9IWuFLm1Z3HTCXu2z9fN62Q==", - "dev": true, "dependencies": { "any-promise": "^1.0.0", "object-assign": "^4.0.1", @@ -4391,7 +4381,6 @@ "version": "1.0.0", "resolved": "https://registry.npmjs.org/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz", "integrity": "sha1-jZ2+KJZKSsVxLpExZCEHxx6Q7EA=", - "dev": true, "engines": { "node": ">=0.10.0" } @@ -4483,7 +4472,6 @@ "version": "4.1.1", "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz", "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=", - "dev": true, "engines": { "node": ">=0.10.0" } @@ -4601,7 +4589,6 @@ "version": "1.4.0", "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz", "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=", - "dev": true, "dependencies": { "wrappy": "1" } @@ -4750,7 +4737,6 @@ "version": "1.0.1", "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz", "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=", - "dev": true, "engines": { "node": ">=0.10.0" } @@ -4792,7 +4778,6 @@ "version": "4.0.1", "resolved": "https://registry.npmjs.org/pirates/-/pirates-4.0.1.tgz", "integrity": "sha512-WuNqLTbMI3tmfef2TKxlQmAiLHKtFhlsCZnPIpuv2Ow0RDVO8lfy1Opf4NUzlMXLjPl+Men7AuVdX6TA+s+uGA==", - "dev": true, "dependencies": { "node-modules-regexp": "^1.0.0" }, @@ -6226,7 +6211,6 @@ "version": "3.20.1", "resolved": "https://registry.npmjs.org/sucrase/-/sucrase-3.20.1.tgz", "integrity": "sha512-BIG59HaJOxNct9Va6KvT5yzBA/rcMGetzvZyTx0ZdCcspIbpJTPS64zuAfYlJuOj+3WaI5JOdA+F0bJQQi8ZiQ==", - "dev": true, "dependencies": { "commander": "^4.0.0", "glob": "7.1.6", @@ -6247,7 +6231,6 @@ "version": "7.1.6", "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz", "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==", - "dev": true, "dependencies": { "fs.realpath": "^1.0.0", "inflight": "^1.0.4", @@ -6336,7 +6319,6 @@ "version": "3.3.1", "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz", "integrity": "sha512-RVZSIV5IG10Hk3enotrhvz0T9em6cyHBLkH/YAZuKqd8hRkKhSfCGIcP2KUY0EPxndzANBmNllzWPwak+bheSw==", - "dev": true, "dependencies": { "any-promise": "^1.0.0" } @@ -6345,7 +6327,6 @@ "version": "1.6.0", "resolved": "https://registry.npmjs.org/thenify-all/-/thenify-all-1.6.0.tgz", "integrity": "sha1-GhkY1ALY/D+Y+/I02wvMjMEOlyY=", - "dev": true, "dependencies": { "thenify": ">= 3.1.0 < 4" }, @@ -6479,8 +6460,7 @@ "node_modules/ts-interface-checker": { "version": "0.1.13", "resolved": "https://registry.npmjs.org/ts-interface-checker/-/ts-interface-checker-0.1.13.tgz", - "integrity": "sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==", - "dev": true + "integrity": "sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==" }, "node_modules/ts-jest": { "version": "26.5.6", @@ -6886,8 +6866,7 @@ "node_modules/wrappy": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", - "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=", - "dev": true + "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=" }, "node_modules/write-file-atomic": { "version": "3.0.3", @@ -7960,8 +7939,7 @@ "any-promise": { "version": "1.3.0", "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz", - "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8=", - "dev": true + "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8=" }, "anymatch": { "version": "3.1.2", @@ -8108,8 +8086,7 @@ "balanced-match": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz", - "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==", - "dev": true + "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==" }, "base": { "version": "0.11.2", @@ -8146,7 +8123,6 @@ "version": "1.1.11", "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz", "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==", - "dev": true, "requires": { "balanced-match": "^1.0.0", "concat-map": "0.0.1" @@ -8510,8 +8486,7 @@ "commander": { "version": "4.1.1", "resolved": "https://registry.npmjs.org/commander/-/commander-4.1.1.tgz", - "integrity": "sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==", - "dev": true + "integrity": "sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==" }, "component-emitter": { "version": "1.3.0", @@ -8522,8 +8497,7 @@ "concat-map": { "version": "0.0.1", "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz", - "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=", - "dev": true + "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=" }, "consola": { "version": "2.15.3", @@ -9099,8 +9073,7 @@ "fs.realpath": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz", - "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=", - "dev": true + "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=" }, "fsevents": { "version": "2.3.2", @@ -9376,7 +9349,6 @@ "version": "1.0.6", "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz", "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=", - "dev": true, "requires": { "once": "^1.3.0", "wrappy": "1" @@ -9385,8 +9357,7 @@ "inherits": { "version": "2.0.4", "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz", - "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==", - "dev": true + "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==" }, "is-accessor-descriptor": { "version": "1.0.0", @@ -10343,7 +10314,6 @@ "version": "3.0.4", "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz", "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==", - "dev": true, "requires": { "brace-expansion": "^1.1.7" } @@ -10379,7 +10349,6 @@ "version": "2.7.0", "resolved": "https://registry.npmjs.org/mz/-/mz-2.7.0.tgz", "integrity": "sha512-z81GNO7nnYMEhrGh9LeymoE4+Yr0Wn5McHIZMK5cfQCl+NDX08sCZgUc9/6MHni9IWuFLm1Z3HTCXu2z9fN62Q==", - "dev": true, "requires": { "any-promise": "^1.0.0", "object-assign": "^4.0.1", @@ -10432,8 +10401,7 @@ "node-modules-regexp": { "version": "1.0.0", "resolved": "https://registry.npmjs.org/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz", - "integrity": "sha1-jZ2+KJZKSsVxLpExZCEHxx6Q7EA=", - "dev": true + "integrity": "sha1-jZ2+KJZKSsVxLpExZCEHxx6Q7EA=" }, "node-notifier": { "version": "8.0.2", @@ -10510,8 +10478,7 @@ "object-assign": { "version": "4.1.1", "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz", - "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=", - "dev": true + "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=" }, "object-copy": { "version": "0.1.0", @@ -10603,7 +10570,6 @@ "version": "1.4.0", "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz", "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=", - "dev": true, "requires": { "wrappy": "1" } @@ -10706,8 +10672,7 @@ "path-is-absolute": { "version": "1.0.1", "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz", - "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=", - "dev": true + "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=" }, "path-key": { "version": "3.1.1", @@ -10734,7 +10699,6 @@ "version": "4.0.1", "resolved": "https://registry.npmjs.org/pirates/-/pirates-4.0.1.tgz", "integrity": "sha512-WuNqLTbMI3tmfef2TKxlQmAiLHKtFhlsCZnPIpuv2Ow0RDVO8lfy1Opf4NUzlMXLjPl+Men7AuVdX6TA+s+uGA==", - "dev": true, "requires": { "node-modules-regexp": "^1.0.0" } @@ -11839,7 +11803,6 @@ "version": "3.20.1", "resolved": "https://registry.npmjs.org/sucrase/-/sucrase-3.20.1.tgz", "integrity": "sha512-BIG59HaJOxNct9Va6KvT5yzBA/rcMGetzvZyTx0ZdCcspIbpJTPS64zuAfYlJuOj+3WaI5JOdA+F0bJQQi8ZiQ==", - "dev": true, "requires": { "commander": "^4.0.0", "glob": "7.1.6", @@ -11853,7 +11816,6 @@ "version": "7.1.6", "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz", "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==", - "dev": true, "requires": { "fs.realpath": "^1.0.0", "inflight": "^1.0.4", @@ -11920,7 +11882,6 @@ "version": "3.3.1", "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz", "integrity": "sha512-RVZSIV5IG10Hk3enotrhvz0T9em6cyHBLkH/YAZuKqd8hRkKhSfCGIcP2KUY0EPxndzANBmNllzWPwak+bheSw==", - "dev": true, "requires": { "any-promise": "^1.0.0" } @@ -11929,7 +11890,6 @@ "version": "1.6.0", "resolved": "https://registry.npmjs.org/thenify-all/-/thenify-all-1.6.0.tgz", "integrity": "sha1-GhkY1ALY/D+Y+/I02wvMjMEOlyY=", - "dev": true, "requires": { "thenify": ">= 3.1.0 < 4" } @@ -12035,8 +11995,7 @@ "ts-interface-checker": { "version": "0.1.13", "resolved": "https://registry.npmjs.org/ts-interface-checker/-/ts-interface-checker-0.1.13.tgz", - "integrity": "sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==", - "dev": true + "integrity": "sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==" }, "ts-jest": { "version": "26.5.6", @@ -12350,8 +12309,7 @@ "wrappy": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", - "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=", - "dev": true + "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=" }, "write-file-atomic": { "version": "3.0.3", diff --git a/package.json b/package.json index fc868fd3..dc17bd8a 100644 --- a/package.json +++ b/package.json @@ -36,6 +36,7 @@ "postcss-load-config": "^3.0.1", "resolve-from": "^5.0.0", "rollup": "^2.56.1", + "sucrase": "^3.20.1", "tree-kill": "^1.2.2" }, "devDependencies": { @@ -60,7 +61,6 @@ "rollup-plugin-hashbang": "^2.2.2", "string-argv": "^0.3.1", "strip-json-comments": "^3.1.1", - "sucrase": "^3.20.1", "svelte": "3.37.0", "ts-essentials": "^7.0.1", "ts-jest": "^26.5.5", diff --git a/src/index.ts b/src/index.ts index a817ea3a..2e35c57c 100644 --- a/src/index.ts +++ b/src/index.ts @@ -24,6 +24,7 @@ import type { ChildProcess } from 'child_process' import execa from 'execa' import consola from 'consola' import kill from 'tree-kill' +import { transform } from 'sucrase' import { version } from '../package.json' import { log, setSilent } from './log' @@ -161,10 +162,17 @@ export async function runEsbuild( let result: BuildResult | undefined + const splitting = + format === 'iife' + ? false + : typeof options.splitting === 'boolean' + ? options.splitting + : format === 'esm' + try { result = await esbuild({ entryPoints: options.entryPoints, - format, + format: format === 'cjs' && splitting ? 'esm' : format, bundle: typeof options.bundle === 'undefined' ? true : options.bundle, platform: 'node', globalName: options.globalName, @@ -208,8 +216,7 @@ export async function runEsbuild( : outDir, outExtension: options.legacyOutput ? undefined : outExtension, write: false, - // Enable code splitting for esm format - splitting: format === 'esm' && options.splitting !== false, + splitting, logLevel: 'error', minify: options.minify, minifyWhitespace: options.minifyWhitespace, @@ -295,6 +302,15 @@ export async function runEsbuild( ) } } + // Workaound to enable code splitting for cjs format + // Manually transform esm to cjs + // TODO: remove this once esbuild supports code splitting for cjs natively + if (splitting && format === 'cjs') { + contents = transform(contents, { + filePath: file.path, + transforms: ['imports'], + }).code + } } await fs.promises.writeFile(outPath, contents, { encoding: 'utf8', diff --git a/test/index.test.ts b/test/index.test.ts index 5598d46f..6ec82372 100644 --- a/test/index.test.ts +++ b/test/index.test.ts @@ -1029,3 +1029,41 @@ test('exclude dependencies', async () => { " `) }) + +test('code splitting in cjs format', async () => { + const { getFileContent } = await run( + getTestName(), + { + 'input.ts': `const foo = () => import('./foo');export {foo}`, + 'another-input.ts': `const foo = () => import('./foo');export {foo}`, + 'foo.ts': `export const foo = 'bar'`, + }, + { flags: ['another-input.ts', '--splitting'] } + ) + expect(await getFileContent('dist/input.js')).toMatchInlineSnapshot(` + "\\"use strict\\";Object.defineProperty(exports, \\"__esModule\\", {value: true}); + + + var _chunkB4ZWWPIUjs = require('./chunk-B4ZWWPIU.js'); + + // input.ts + var foo = () => Promise.resolve().then(() => _chunkB4ZWWPIUjs.__toModule.call(void 0, _chunkB4ZWWPIUjs.__require.call(void 0, \\"./foo-D4Y7X4AA.js\\"))); + + + exports.foo = foo; + " + `) + expect(await getFileContent('dist/another-input.js')).toMatchInlineSnapshot(` + "\\"use strict\\";Object.defineProperty(exports, \\"__esModule\\", {value: true}); + + + var _chunkB4ZWWPIUjs = require('./chunk-B4ZWWPIU.js'); + + // another-input.ts + var foo = () => Promise.resolve().then(() => _chunkB4ZWWPIUjs.__toModule.call(void 0, _chunkB4ZWWPIUjs.__require.call(void 0, \\"./foo-D4Y7X4AA.js\\"))); + + + exports.foo = foo; + " + `) +})