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build.js
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build.js
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const chokidar = require('chokidar');
const path = require('path');
const fs = require('fs');
const esbuild = require('esbuild');
const colors = require('colors/safe');
const filesize = require('filesize');
const { glob } = require('glob');
const jsxPluginReact17 = {
name: 'jsx-react-17',
setup(build) {
const babel = require('@babel/core')
const pluginTransformJsX = require('@babel/plugin-transform-react-jsx')
.default({}, { runtime: 'automatic', importSource: "../fre-godot" })
// const pluginTypeScript = require('@babel/plugin-transform-typescript')
// .default({})
build.onLoad({ filter: /\.[tj]sx$/ }, async (args) => {
const start = Date.now();
const jsx = await fs.promises.readFile(args.path, 'utf8')
const result = babel.transformSync(jsx, { plugins: [pluginTransformJsX] })
console.log(`[${Date.now() - start}ms]`, colors.green(`Build ${build.initialOptions.entryPoints} ==> ${build.initialOptions.outfile}`));
return { contents: result.code }
})
},
}
const injectFre = {
name: 'inject-fre',
setup(build) {
build.onLoad({ filter: /\.[tj]sx$/ }, async (args) => {
const start = Date.now();
const fileString = await fs.promises.readFile(args.path, 'utf8')
// const result = babel.transformSync(jsx, { plugins: [pluginTransformJsX] })
console.log(`[${Date.now() - start}ms]`, colors.green(`Build ${build.initialOptions.entryPoints} ==> ${build.initialOptions.outfile}`));
function getRelPath(x){
if(x < 1 ){
return './'
}
return '../'.repeat(x)
}
//Hard coded, will case issue if project structure modified.
//Need some way to check relative path from file to where fregodot bundle is compiled to0
const relPath = getRelPath(build.initialOptions.outfile.split('/').length - 3)
const result = `import { jsx as _jsx, Fragment } from "${relPath}fre-godot/jsx-runtime" \n` + fileString
return {
contents: result,
loader : 'tsx'
}
})
},
}
const options = {
sourceRoot: 'src',
outRoot: 'project/dist',
tsconfig: 'tsconfig.json',
}
const scripts = require('./scripts.json');
function normalize_path(path) {
return path.replace(/\\/g, '/');
}
function update_entries() {
let patterns = scripts.bundles || [];
scripts.bundles = [];
for (const p of patterns) {
const inputs = glob.sync(p);
scripts.bundles = scripts.bundles.concat(inputs);
}
patterns = scripts.compile_only || [];
scripts.compile_only = [];
for (const p of patterns) {
const inputs = glob.sync(p);
scripts.compile_only = scripts.compile_only.concat(inputs);
}
}
function clean() {
fs.rmdirSync(options.outRoot, { recursive: true });
}
function watch() {
update_entries();
chokidar.watch(options.sourceRoot).on('all', (event, input) => {
if (!fs.existsSync(input) || !fs.statSync(input).isFile()) return;
input = normalize_path(input);
let output = null;
switch (event) {
case 'add':
update_entries();
output = get_build_target(input);
case 'change':
output = get_build_target(input);
break;
case 'unlink': {
const last = get_build_target(input);
update_entries();
output = get_build_target(input);
if (!output && last) {
console.log('remove', last);
}
} break;
}
if (output) {
build_entry(input, output);
}
});
}
function get_build_target(input) {
const matches = input.match(/(\.d)?(\.[t|j]sx?)/);
if (!matches) return;
if (matches[0] === '.d.ts') return;
if (scripts.bundles.indexOf(input) == -1 && scripts.compile_only.indexOf(input) == -1) return;
const target = path.join(options.outRoot, input.replace(options.sourceRoot, '')).replace('.ts', '.js');
return normalize_path(target);
}
function entry_is_bundle(input) {
return scripts.bundles.indexOf(input) != -1;
}
async function build_entry(input, outfile) {
const start = Date.now();
try {
esbuild.build({
entryPoints: [input],
outfile,
target: 'esnext',
format: 'esm',
tsconfig: options.tsconfig,
sourcemap: true,
bundle: entry_is_bundle(input),
jsx: 'transform',
jsxFactory: '_jsx',
jsxFragment: 'Fragment',
//inject: ['./src/fre-godot/fre-godot-shim.js'],
loader: { '.js': 'jsx' },
plugins: [injectFre],
});
console.log(`[${Date.now() - start}ms]`, colors.green(`Build ${input} ==> ${outfile}`), colors.grey(filesize(fs.statSync(outfile).size)));
} catch (error) {
}
}
clean();
watch();