bigint-mod-arith/build/rollup-plugin-dts.js

43 lines
1.2 KiB
JavaScript

import { mkdirSync, readFileSync, writeFileSync } from 'fs'
import ts from 'typescript'
import { join, dirname } from 'path'
import { sync } from 'rimraf'
const { readJsonConfigFile, sys, parseJsonSourceFileConfigFileContent, createCompilerHost, createProgram } = ts
const rootDir = join(__dirname, '..')
const pkgJson = JSON.parse(readFileSync(join(rootDir, 'package.json')))
const srcFile = join(rootDir, 'src/ts/index.ts')
const outDir = dirname(join(rootDir, pkgJson.types))
const tsConfigPath = join(rootDir, 'tsconfig.json')
const configFile = readJsonConfigFile(tsConfigPath, (file) => {
return sys.readFile(file)
})
const tsConfig = parseJsonSourceFileConfigFileContent(configFile, sys, dirname(tsConfigPath))
const compilerOptions = {
...tsConfig.options,
declaration: true,
declarationMap: true,
emitDeclarationOnly: true,
outDir
}
const host = createCompilerHost(compilerOptions)
host.writeFile = (fileName, contents) => {
mkdirSync(dirname(fileName), { recursive: true })
writeFileSync(fileName, contents)
}
export const compile = () => {
// Clear the types dir
sync(outDir)
// Prepare and emit the d.ts files
const program = createProgram([srcFile], compilerOptions, host)
program.emit()
}