mirror of
https://github.com/mdgriffith/elm-optimize-level-2.git
synced 2024-11-29 12:46:32 +03:00
Matthew Griffith
GitHub
commit
eeef6529e6
@ -1,2 +1,2 @@
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#!/usr/bin/env node
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const index = require('../dist/index.js');
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const index = require('../dist/bin.js');
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49
src/bin.ts
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49
src/bin.ts
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@ -0,0 +1,49 @@
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import program from 'commander';
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import chalk from 'chalk';
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import { run } from './run';
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const { version } = require('../package.json');
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// import * as BenchInit from './benchmark/init'
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// import * as Benchmark from './benchmark/benchmark';
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// import * as Reporting from './benchmark/reporting';
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program
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.version(version)
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.description(
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`${chalk.yellow('Elm Optimize Level 2!')}
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This applies a second level of optimization to the javascript that Elm creates.
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Make sure you're familiar with Elm's built-in optimization first: ${chalk.cyan(
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'https://guide.elm-lang.org/optimization/asset_size.html'
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)}
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Give me an Elm file, I'll compile it behind the scenes using Elm 0.19.1, and then I'll make some more optimizations!`
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)
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.usage('[options] <src/Main.elm>')
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.option('--output <output>', 'the javascript file to create.', 'elm.js')
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.option('-O3, --optimize-speed', 'Enable optimizations that likely increases asset size', false)
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.option('--verbose', 'Show more error details, useful to provide better bug reports', false)
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// .option('--init-benchmark <dir>', 'Generate some files to help run benchmarks')
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// .option('--benchmark <dir>', 'Run the benchmark in the given directory.')
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// .option('--replacements <dir>', 'Replace stuff')
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.parse(process.argv);
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const { output, optimizeSpeed, verbose } = program.opts();
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run(
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{
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inputFilePath: program.args[0],
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outputFilePath: output,
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optimizeSpeed,
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verbose,
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processOpts: { stdio: ['inherit', 'ignore', 'inherit'] },
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},
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program.helpInformation(),
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console.log.bind(console),
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).catch((e) => {
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if (verbose) {
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console.error(e);
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} else {
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console.error(e.toString());
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}
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process.exit(1);
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});
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143
src/index.ts
143
src/index.ts
@ -1,127 +1,20 @@
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// tslint:disable-next-line no-require-imports no-var-requires
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import program from 'commander';
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import * as path from 'path';
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import * as Transform from './transform';
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import { toolDefaults } from './types';
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import { compileToStringSync } from 'node-elm-compiler';
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import * as fs from 'fs';
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import chalk from 'chalk';
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const { version } = require('../package.json');
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// import * as BenchInit from './benchmark/init'
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// import * as Benchmark from './benchmark/benchmark';
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// import * as Reporting from './benchmark/reporting';
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import * as Run from './run';
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program
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.version(version)
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.description(
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`${chalk.yellow('Elm Optimize Level 2!')}
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This applies a second level of optimization to the javascript that Elm creates.
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Make sure you're familiar with Elm's built-in optimization first: ${chalk.cyan(
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'https://guide.elm-lang.org/optimization/asset_size.html'
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)}
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Give me an Elm file, I'll compile it behind the scenes using Elm 0.19.1, and then I'll make some more optimizations!`
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)
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.usage('[options] <src/Main.elm>')
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.option('--output <output>', 'the javascript file to create.', 'elm.js')
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.option('-O3, --optimize-speed', 'Enable optimizations that likely increases asset size', false)
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// .option('--init-benchmark <dir>', 'Generate some files to help run benchmarks')
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// .option('--benchmark <dir>', 'Run the benchmark in the given directory.')
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// .option('--replacements <dir>', 'Replace stuff')
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.parse(process.argv);
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async function run(inputFilePath: string | undefined) {
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const dirname = process.cwd();
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let jsSource: string = '';
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let elmFilePath = undefined;
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const options = program.opts();
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const replacements = null;
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const o3Enabled = options.optimizeSpeed;
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// if (program.initBenchmark) {
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// console.log(`Initializing benchmark ${program.initBenchmark}`)
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// BenchInit.generate(program.initBenchmark)
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// process.exit(0)
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// }
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// if (program.benchmark) {
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// const options = {
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// compile: true,
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// gzip: true,
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// minify: true,
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// verbose: true,
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// assetSizes: true,
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// runBenchmark: [
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// {
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// browser: Browser.Chrome,
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// headless: true,
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// }
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// ],
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// transforms: benchmarkDefaults(o3Enabled, replacements),
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// };
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// const report = await Benchmark.run(options, [
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// {
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// name: 'Benchmark',
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// dir: program.benchmark,
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// elmFile: 'V8/Benchmark.elm',
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// }
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// ]);
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// console.log(Reporting.terminal(report));
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// // fs.writeFileSync('./results.markdown', Reporting.markdownTable(result));
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// process.exit(0)
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// }
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if (inputFilePath && inputFilePath.endsWith('.js')) {
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jsSource = fs.readFileSync(inputFilePath, 'utf8');
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console.log('Optimizing existing JS...');
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} else if (inputFilePath && inputFilePath.endsWith('.elm')) {
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elmFilePath = inputFilePath;
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jsSource = compileToStringSync([inputFilePath], {
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output: 'output/elm.opt.js',
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cwd: dirname,
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optimize: true,
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processOpts:
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// ignore stdout
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{
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stdio: ['inherit', 'ignore', 'inherit'],
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},
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});
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if (jsSource != '') {
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console.log('Compiled, optimizing JS...');
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} else {
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process.exit(1)
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}
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} else {
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console.error('Please provide a path to an Elm file.');
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program.outputHelp();
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return;
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}
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if (jsSource != '') {
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const transformed = await Transform.transform(
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dirname,
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jsSource,
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elmFilePath,
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false,
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toolDefaults(o3Enabled, replacements),
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);
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// Make sure all the folders up to the output file exist, if not create them.
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// This mirrors elm make behavior.
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const outputDirectory = path.dirname(program.output);
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if (!fs.existsSync(outputDirectory)) {
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fs.mkdirSync(outputDirectory, { recursive: true });
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}
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fs.writeFileSync(program.output, transformed);
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const fileName = path.basename(inputFilePath);
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console.log('Success!');
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console.log('');
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console.log(` ${fileName} ───> ${program.output}`);
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console.log('');
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}
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export async function run(options: {
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inputFilePath: string | undefined,
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outputFilePath: string,
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optimizeSpeed: boolean,
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processOpts: {
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stdio: [string, string, string],
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} | null,
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}) {
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return Run.run(
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{
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...options,
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verbose: false,
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processOpts: options.processOpts || { stdio: ['inherit', 'ignore', 'inherit'] },
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},
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'',
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() => { }
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);
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}
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run(program.args[0]).catch((e) => console.error(e));
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115
src/run.ts
Normal file
115
src/run.ts
Normal file
@ -0,0 +1,115 @@
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import * as path from 'path';
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import * as Transform from './transform';
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import { toolDefaults } from './types';
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import { compileToStringSync } from 'node-elm-compiler';
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import * as fs from 'fs';
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// import * as BenchInit from './benchmark/init'
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// import * as Benchmark from './benchmark/benchmark';
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// import * as Reporting from './benchmark/reporting';
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export async function run(
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options: {
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inputFilePath: string | undefined,
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outputFilePath: string,
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optimizeSpeed: boolean,
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verbose: boolean,
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processOpts: { stdio: [string, string, string] },
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},
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helpInformation: string,
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log: (message?: any, ...optionalParams: any[]) => void
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) {
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if (!options.outputFilePath) {
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throw new Error('Missing an output file path');
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}
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const dirname = process.cwd();
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let jsSource: string = '';
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let elmFilePath = undefined;
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const replacements = null;
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const inputFilePath = options.inputFilePath;
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const o3Enabled = options.optimizeSpeed;
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// if (program.initBenchmark) {
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// console.log(`Initializing benchmark ${program.initBenchmark}`)
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// BenchInit.generate(program.initBenchmark)
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// process.exit(0)
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// }
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// if (program.benchmark) {
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// const options = {
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// compile: true,
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// gzip: true,
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// minify: true,
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// verbose: true,
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// assetSizes: true,
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// runBenchmark: [
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// {
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// browser: Browser.Chrome,
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// headless: true,
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// }
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// ],
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// transforms: benchmarkDefaults(o3Enabled, replacements),
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// };
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// const report = await Benchmark.run(options, [
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// {
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// name: 'Benchmark',
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// dir: program.benchmark,
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// elmFile: 'V8/Benchmark.elm',
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// }
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// ]);
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// console.log(Reporting.terminal(report));
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// // fs.writeFileSync('./results.markdown', Reporting.markdownTable(result));
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// process.exit(0)
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// }
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if (inputFilePath && inputFilePath.endsWith('.js')) {
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jsSource = fs.readFileSync(inputFilePath, 'utf8');
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log('Optimizing existing JS...');
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} else if (inputFilePath && inputFilePath.endsWith('.elm')) {
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elmFilePath = inputFilePath;
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jsSource = compileToStringSync([inputFilePath], {
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output: 'output/elm.opt.js',
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cwd: dirname,
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optimize: true,
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processOpts:
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// ignore stdout
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{
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stdio: ['inherit', 'ignore', 'inherit'],
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},
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});
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if (jsSource != '') {
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log('Compiled, optimizing JS...');
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} else {
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throw new Error('An error occurred when compiling your application with Elm 0.19.1.');
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}
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} else {
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throw new Error(`Please provide a path to an Elm file.\n${helpInformation}`.trim());
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}
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if (jsSource == '') {
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throw new Error('Target JS file is empty.');
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}
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const transformed = await Transform.transform(
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dirname,
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jsSource,
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elmFilePath,
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options.verbose,
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toolDefaults(o3Enabled, replacements),
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);
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// Make sure all the folders up to the output file exist, if not create them.
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// This mirrors elm make behavior.
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const outputDirectory = path.dirname(options.outputFilePath);
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if (!fs.existsSync(outputDirectory)) {
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fs.mkdirSync(outputDirectory, { recursive: true });
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}
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fs.writeFileSync(options.outputFilePath, transformed);
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const fileName = path.basename(inputFilePath);
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log('Success!');
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log('');
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log(` ${fileName} ───> ${options.outputFilePath}`);
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log('');
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return options.outputFilePath;
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}
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