extra/compiler.js

   1 const terser = require("terser");
   2 const merge = require('deepmerge')
   3
   4 const terserConfig = {
   5     compress: {
   6         sequences: true,
   7         properties: true,
   8         dead_code: true,
   9         conditionals: true,
  10         comparisons: true,
  11         booleans: true,
  12         loops: true,
  13         hoist_funs: true,
  14         hoist_vars: true,
  15         if_return: true,
  16         join_vars: true,
  17         ecma: 2020,
  18         passes: 2,
  19         /* this is basically the `--define` argument */
  20         global_defs: {
  21             COMPILER_TARGET_DEFAULT: false
  22         }
  23     },
  24     format: {
  25         comments: false,
  26     }
  27 };
  28
  29 module.exports = {
  30     compile: (filename, overrides) => {
  31         if (overrides === undefined) overrides = {};
  32         const config = merge(terserConfig, overrides);
  33
  34         return terser.minify(
  35             filename,
  36             config
  37         );
  38     }
  39 }