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See the License for the specific language governing permissions and limitations under the +License. diff --git a/packages/trimkit/README.md b/packages/trimkit/README.md new file mode 100644 index 0000000..6ee882a --- /dev/null +++ b/packages/trimkit/README.md @@ -0,0 +1,32 @@ +# [TrimKit](https://gitlab.com/explorigin/trimkit) + +TrimKit is a set of DOM and API abstactions for the purpose of better Javascript minification. For +example: + + if (a === undefined) { alert('Oops'); } + +minifies down to: + + if(a===void 0){alert('Oops')} + +If we compare against undefined more than 3 times, we can save bytes by doing this: + + function isUndefined(a) { return a === void 0; } + + if (isUndefined(a)) { alert('Oops'); } + +which minifies down to: + + function b(a) { return a === void 0; } + + if (b(a)){alert('Oops');} + +With enough uses of common APIs, you can win back some bytes. + +NOTE: TrimKit will help you obsess about Javascript file sizes but that does not always translate to +smaller files after you apply compression. Because files using have more entropy, small, +pre-compression gains can result in after compression losses. YMMV. + +## Credit + +Created by [Timothy Farrell](https://github.com/explorigin)