mollenhauer

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"use strict"
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const
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  esbuild = require('esbuild'),
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  chalk = require('chalk').default
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const DEFAULT_OPTIONS = {
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  bundle: false,
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  logLevel: 'silent',
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}
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module.exports = function (grunt) {
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  grunt.task.registerMultiTask('esbuild', 'Convert and optimize scripts using Esbuild.',
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    async function () {
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      let done = this.async()
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      if (this.files[0].src.length == 0) {
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        return done()
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      }
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      let inputOptions = this.options()
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      let isWatchMode = inputOptions.watchMode ?? false
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      delete inputOptions.watchMode
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      let esbuildOptions = Object.assign(
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        {
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          entryPoints: this.files[0].src,
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          write: true,
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        },
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        DEFAULT_OPTIONS,
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        inputOptions,
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      )
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      try {
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        if (!isWatchMode) {
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          await esbuild.build(esbuildOptions)
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        }
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        else {
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          let buildProcess = await esbuild.context(esbuildOptions)
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          await buildProcess.watch()
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          console.log(chalk.bgGreen('\nWatch mode is active!'))
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        }
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        console.log(
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          chalk.green('The task ')
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          + this.nameArgs
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          + chalk.green(' was complied.')
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        )
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        return done(true)
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      }
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      catch (error) {
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        console.log(chalk.red.bold(error.message))
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        console.log(error.stack)
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        done(false)
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      }
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    }
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  )
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}