babel-plugin-minify-constant-folding

Tries to evaluate expressions and inline the result.

MIT 81 个版本
babel-plugin
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安装
npm install babel-plugin-minify-constant-folding
yarn add babel-plugin-minify-constant-folding
pnpm add babel-plugin-minify-constant-folding
bun add babel-plugin-minify-constant-folding
README

babel-plugin-minify-constant-folding

Tries to evaluate expressions and inline the result.

Example

In

"a" + "b"
2 * 3;
4 | 3;
"b" + a + "c" + "d" + g + z + "f" + "h" + "i"

[a, b, c].concat([d, e], f, g, [h]);
["a", "b", "c"].join();
["a", "b", "c"].join('@');
[1, 2, 3].length;
[1, 2, 3][1];
[1, 2, 3].shift();
[1, 2, 3].slice(0, 2);
[a, b, c].pop();
[a, b, c].reverse();
"a,b,c".split(",");
"abc"[0];
"abc".charAt();
"abc".charAt(1);
"abc".length;

Out

"ab";
6;
7;
"b" + a + "cd" + g + z + "fhi";

[a, b, c, d, e, f, g, h];
"a,b,c";
"a@b@c";
3;
2;
2;
[1, 2];
c;
[c, b, a];
["a", "b", "c"];
"a";
"a";
"a";
"b";
3;

Installation

npm install babel-plugin-minify-constant-folding --save-dev

Usage

.babelrc

{
  "plugins": ["minify-constant-folding"]
}

Via CLI

babel --plugins minify-constant-folding script.js

Via Node API

require("@babel/core").transform("code", {
  plugins: ["minify-constant-folding"]
});

Options

  • tdz - Account for TDZ (Temporal Dead Zone)
版本列表
0.5.0-alpha.55276695 2018-05-01
0.5.0-alpha.9 2018-09-23
0.5.0-alpha.e9f96ffe 2018-05-03
0.5.0-alpha.e86a44f1 2018-05-03
0.5.0-alpha.beb87b9a 2018-07-26
0.5.0-alpha.bce578e2 2018-05-14
0.5.0-alpha.b5bafaeb 2018-04-23
0.5.0-alpha.b5637c57 2018-05-14
0.5.0-alpha.b4285271 2018-05-01
0.5.0-alpha.a28b6b00 2018-05-22
0.5.0-alpha.a24dd066 2018-06-11
0.5.0-alpha.9e986477 2018-05-04
0.5.0-alpha.9e447f6d 2018-05-17
0.5.0-alpha.9939bca9 2018-05-13
0.5.0-alpha.91ed3622 2018-05-14
0.5.0-alpha.8b905991 2018-05-02
0.5.0-alpha.89fc69da 2018-06-01
0.5.0-alpha.85c9b6d8 2018-05-15
0.5.0-alpha.830ce3f1 2018-05-17
0.5.0-alpha.7ba5821f 2018-05-16
0.5.0-alpha.7b176463 2018-05-01
0.5.0-alpha.72092d20 2018-04-08
0.5.0-alpha.7195fa98 2018-05-16
0.5.0-alpha.6889f45d 2018-05-14
0.5.0-alpha.5f601890 2018-05-10
0.5.0-alpha.5dbc73f7 2018-05-17
0.5.0-alpha.5a128fd5 2018-07-17
0.5.0-alpha.540d75e7 2018-05-14
0.5.0-alpha.3cc09dcf 2018-07-27
0.5.0-alpha.3b1a8f05 2018-05-17
0.5.0-alpha.36b27d42 2018-05-16
0.5.0-alpha.367cc048 2018-05-16
0.5.0-alpha.34c3efe9 2018-05-04
0.5.0-alpha.2ed85317 2018-07-17
0.5.0-alpha.2ec8ff72 2018-05-22
0.5.0-alpha.2e0de171 2018-06-01
0.5.0-alpha.1cb46b73 2018-05-16
0.5.0-alpha.18dcfe13 2018-05-14
0.5.0-alpha.01eac1c3 2018-05-17
0.5.0 2018-09-24
0.4.3 2018-05-14
0.4.2 2018-05-14
0.4.1 2018-05-03
0.4.0-alpha.f95869d4 2018-02-28
0.4.0-alpha.caaefb4c 2018-02-28
0.4.0-alpha.6546ad11 2018-02-15
0.4.0-alpha.4b14df35 2018-02-21
0.4.0-alpha.15ca1f11 2018-01-31
0.4.0-alpha.12994a48 2018-02-26
0.4.0 2018-04-08
0.3.0-alpha.e6a189cd 2017-12-19
0.3.0-alpha.da60c6b8 2017-11-28
0.3.0-alpha.d9c99d3f 2017-12-20
0.3.0-alpha.cf9a0da2 2017-12-19
0.3.0-alpha.ac576234 2018-01-14
0.3.0-alpha.ab81368f 2018-01-15
0.3.0-alpha.a7421897 2017-11-28
0.3.0-alpha.a351eeed 2017-12-19
0.3.0-alpha.9a74dfd1 2017-12-09
0.3.0-alpha.8857f145 2017-12-22
0.3.0-alpha.879f25ec 2018-01-07
0.3.0-alpha.7f4dc3d4 2017-12-11
0.3.0-alpha.71b0b884 2018-01-20
0.3.0-alpha.6ceffb8d 2018-01-19
0.3.0-alpha.6ae655c0 2017-12-20
0.3.0-alpha.670b24ec 2017-12-16
0.3.0-alpha.636ae276 2018-01-19
0.3.0-alpha.5ee3078e 2017-12-30
0.3.0-alpha.4143a25b 2018-01-31
0.3.0-alpha.37064b40 2017-12-10
0.3.0-alpha.169f8743 2017-12-20
0.3.0-alpha.033d9ab6 2017-12-11
0.3.0 2018-01-31
0.2.0 2017-08-14
0.1.3 2017-06-20
0.1.2 2017-06-13
0.1.1 2017-05-22
0.1.0 2017-05-22
0.0.4 2017-02-08
0.0.3 2016-11-18
0.0.1 2016-08-26