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         /* this is basically the `--define` argument */
  18         global_defs: {
  19             COMPILER_TARGET_DEFAULT: false
  20         }
  21     },
  22     format: {
  23         comments: false,
  24     }
  25 };
  26
  27 module.exports = {
  28     compile: (filename, overrides) => {
  29         if (overrides === undefined) overrides = {};
  30         const config = merge(terserConfig, overrides);
  31
  32         return terser.minify(
  33             filename,
  34             config
  35         );
  36     }
  37 }