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build.js
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build.js
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const fs = require('fs').promises
const camelcase = require('camelcase')
const { promisify } = require('util')
const rimraf = promisify(require('rimraf'))
const svgr = require('@svgr/core').default
const babel = require('@babel/core')
const { compile: compileVue } = require('@vue/compiler-dom')
let transform = {
react: async (svg, componentName, format) => {
let component = await svgr(svg, { ref: true }, { componentName })
let { code } = await babel.transformAsync(component, {
plugins: [[require('@babel/plugin-transform-react-jsx'), { useBuiltIns: true }]],
})
if (format === 'esm') {
return code
}
return code
.replace('import * as React from "react"', 'const React = require("react")')
.replace('export default', 'module.exports =')
},
vue: (svg, componentName, format) => {
let { code } = compileVue(svg, {
mode: 'module',
})
if (format === 'esm') {
return code.replace('export function', 'export default function')
}
return code
.replace(
/import\s+\{\s*([^}]+)\s*\}\s+from\s+(['"])(.*?)\2/,
(_match, imports, _quote, mod) => {
let newImports = imports
.split(',')
.map((i) => i.trim().replace(/\s+as\s+/, ': '))
.join(', ')
return `const { ${newImports} } = require("${mod}")`
}
)
.replace('export function render', 'module.exports = function render')
},
}
async function getIcons(style) {
let files = await fs.readdir(`./optimized/${style}`)
return Promise.all(
files.map(async (file) => ({
svg: await fs.readFile(`./optimized/${style}/${file}`, 'utf8'),
componentName: `${camelcase(file.replace(/\.svg$/, ''), {
pascalCase: true,
})}Icon`,
}))
)
}
function exportAll(icons, format, includeExtension = true) {
return icons
.map(({ componentName }) => {
let extension = includeExtension ? '.js' : ''
if (format === 'esm') {
return `export { default as ${componentName} } from './${componentName}${extension}'`
}
return `module.exports.${componentName} = require("./${componentName}${extension}")`
})
.join('\n')
}
async function buildIcons(package, style, format) {
let outDir = `./${package}/${style}`
if (format === 'esm') {
outDir += '/esm'
}
await fs.mkdir(outDir, { recursive: true })
let icons = await getIcons(style)
await Promise.all(
icons.flatMap(async ({ componentName, svg }) => {
let content = await transform[package](svg, componentName, format)
let types =
package === 'react'
? `import * as React from 'react';\ndeclare function ${componentName}(props: React.ComponentProps<'svg'>): JSX.Element;\nexport default ${componentName};\n`
: `import { RenderFunction } from 'vue';\ndeclare const ${componentName}: RenderFunction;\nexport default ${componentName};\n`
return [
fs.writeFile(`${outDir}/${componentName}.js`, content, 'utf8'),
...(types ? [fs.writeFile(`${outDir}/${componentName}.d.ts`, types, 'utf8')] : []),
]
})
)
await fs.writeFile(`${outDir}/index.js`, exportAll(icons, format), 'utf8')
await fs.writeFile(`${outDir}/index.d.ts`, exportAll(icons, 'esm', false), 'utf8')
}
function main(package) {
console.log(`Building ${package} package...`)
Promise.all([rimraf(`./${package}/outline/*`), rimraf(`./${package}/solid/*`)])
.then(() =>
Promise.all([
buildIcons(package, 'solid', 'esm'),
buildIcons(package, 'solid', 'cjs'),
buildIcons(package, 'outline', 'esm'),
buildIcons(package, 'outline', 'cjs'),
fs.writeFile(`./${package}/outline/package.json`, `{"module": "./esm/index.js"}`, 'utf8'),
fs.writeFile(`./${package}/outline/esm/package.json`, `{"type": "module"}`, 'utf8'),
fs.writeFile(`./${package}/solid/package.json`, `{"module": "./esm/index.js"}`, 'utf8'),
fs.writeFile(`./${package}/solid/esm/package.json`, `{"type": "module"}`, 'utf8'),
])
)
.then(() => console.log(`Finished building ${package} package.`))
}
let [package] = process.argv.slice(2)
if (!package) {
throw Error('Please specify a package')
}
main(package)