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const defaultHtml = `
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<!doctype html>
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<html>
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<head>
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<title>macchiato.dev</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />
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<style type="text/css">
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html, body {
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margin: 0;
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padding: 0;
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}
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html {
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box-sizing: border-box;
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}
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*, *:before, *:after {
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box-sizing: inherit;
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}
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</style>
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</head>
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<body>
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${ '<' + 'script type="module" src="/app.js"><' + '/script>' }
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</body>
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</html>
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`.trim()
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const defaultIntro = `
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window.Macchiato = {
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location: new MLocation(),
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}
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`.trim()
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export class Builder {
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constructor(files) {
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this.files = files
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}
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buildModule(file) {
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const script = document.createElement('script')
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script.setAttribute('type', 'module')
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let initAppend = ""
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let append = ""
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const data = file.data.replaceAll(
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/^\s*export\s+(?:class|function|async\s+function|const)\s+(\S+)/gms,
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(match, p1) => {
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const path = JSON.stringify(file.name)
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const mref = `Macchiato.modules[${path}]`
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const pref = `[${JSON.stringify(p1)}]`
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initAppend = `\n\n${mref} = {}`
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const s = `${mref}${pref} = ${p1}`
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append += "\n" + s
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return `// append: ${s}\n${match}`
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}
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).replaceAll(
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/^\s*import\s+(\{[^}]+\})\s+from\s+("[^"]+"|')/gms,
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(match, p1, p2) => {
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const vars = p1.replaceAll(' as ', ': ')
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const importPath = p2.slice(1, -1)
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const path = JSON.stringify(
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importPath.slice(
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importPath.indexOf('/') + 1
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)
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)
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const ref = `Macchiato.modules[${path}]`
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return `const ${vars} = ${ref}`
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}
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)
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script.textContent = (
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"\n" + data + initAppend + append + "\n"
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)
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return script.outerHTML
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}
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buildReplace(filesMap) {
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if ('_replace.js' in filesMap) {
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const rSrc = filesMap['_replace.js']
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return new Function(
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rSrc.match(/\((\w+)\)/)[1],
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rSrc.slice(
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rSrc.indexOf('{') + 1,
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rSrc.lastIndexOf('}')
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)
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)
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} else {
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return s => s
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}
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}
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build() {
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const filesMap = Object.fromEntries(
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this.files.map(
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({name, data}) => ([name, data])
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)
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)
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const intro = this.buildModule({
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name: '_intro.js',
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data: (
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|
'_intro.js' in filesMap ?
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|
filesMap['_intro.js'] :
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|
defaultIntro
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),
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})
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|
const replace = this.buildReplace(filesMap)
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|
|
const modules = this.files.filter(({name}) => (
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|
|
name.endsWith('.js') &&
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|
|
!name.startsWith('_')
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|
)).map(file => (
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|
this.buildModule({
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|
...file,
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|
|
data: replace(file.data),
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|
})
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|
|
|
))
|
|
|
|
|
const html = (
|
|
|
|
|
'index.html' in filesMap ?
|
|
|
|
|
filesMap['index.html'] :
|
|
|
|
|
defaultHtml
|
|
|
|
|
)
|
|
|
|
|
return html.replace(
|
|
|
|
|
'<' + 'script type="module" src="/app.js"><' + '/script>',
|
|
|
|
|
intro + "\n" + modules.join("\n")
|
|
|
|
|
)
|
|
|
|
|
}
|
|
|
|
|
}
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