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    babel-plugin-minify-constant-foldingpublic

    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

    Via .babelrc (Recommended)

    .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)

    Keywords

    install

    npm i babel-plugin-minify-constant-folding

    Downloadsweekly downloads

    377,695

    version

    0.4.3

    license

    MIT

    repository

    githubgithub

    last publish

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