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import { build } from 'esbuild'
import { writeFiles } from 'test-support'
import { NodeGlobalsPolyfillPlugin } from '.'
require('debug').enable(require('../package.json').name)
test('process works', async () => {
const {
unlink,
paths: [ENTRY],
} = await writeFiles({
'entry.ts': `process.version`,
})
const res = await build({
entryPoints: [ENTRY],
write: false,
format: 'esm',
target: 'es2017',
bundle: true,
inject: [require.resolve('../process')],
})
const output = res.outputFiles[0].text
// console.log(output)
eval(output)
unlink()
})
test('process is tree shaken', async () => {
const {
unlink,
paths: [ENTRY],
} = await writeFiles({
'entry.ts': `console.log('hei')`,
})
const res = await build({
entryPoints: [ENTRY],
write: false,
format: 'esm',
target: 'es2017',
bundle: true,
inject: [require.resolve('../process')],
})
const output = res.outputFiles[0].text
expect(output).not.toContain('process')
unlink()
})
// TODO esbuild cannot use virtual modules for inject: https://github.com/evanw/esbuild/issues/2762
test('process env vars are replaced with ones from define', async () => {
const {
unlink,
paths: [ENTRY],
} = await writeFiles({
'entry.ts': `if (process.env.VAR !== 'hello') { throw new Error('process.env.VAR not right: ' + process.env.VAR) }`,
})
const res = await build({
entryPoints: [ENTRY],
write: false,
format: 'esm',
target: 'es2017',
bundle: true,
define: {
'process.env.VAR': '"hello"',
},
plugins: [NodeGlobalsPolyfillPlugin({})],
})
const output = res.outputFiles[0].text
eval(output)
unlink()
})
test('Buffer works', async () => {
const {
unlink,
paths: [ENTRY],
} = await writeFiles({
'entry.ts': `console.log(Buffer.from('xxx').toString())`,
})
const res = await build({
entryPoints: [ENTRY],
write: false,
format: 'esm',
target: 'es2017',
bundle: true,
inject: [require.resolve('../Buffer')],
})
const output = res.outputFiles[0].text
// console.log(output)
eval(output)
unlink()
})
test('Buffer is tree shaken', async () => {
const {
unlink,
paths: [ENTRY],
} = await writeFiles({
'entry.ts': `console.log('hei')`,
})
const res = await build({
entryPoints: [ENTRY],
write: false,
format: 'esm',
target: 'es2017',
bundle: true,
inject: [require.resolve('../Buffer')],
})
const output = res.outputFiles[0].text
expect(output).not.toContain('Buffer')
unlink()
})
test('Buffer works using plugin', async () => {
const {
unlink,
paths: [ENTRY],
} = await writeFiles({
'entry.ts': `
let buf = new Buffer(256);
let len = buf.write("Simply Easy Learning");
console.log("Octets written : "+ len);`,
})
const res = await build({
entryPoints: [ENTRY],
write: false,
format: 'esm',
target: 'es2017',
bundle: true,
plugins: [NodeGlobalsPolyfillPlugin({ buffer: true })],
})
const output = res.outputFiles[0].text
// console.log(output)
eval(output)
unlink()
})
test('process works using plugin', async () => {
const {
unlink,
paths: [ENTRY],
} = await writeFiles({
'entry.ts': `console.log(process.cwd())`,
})
const res = await build({
entryPoints: [ENTRY],
write: false,
format: 'esm',
target: 'es2017',
bundle: true,
plugins: [NodeGlobalsPolyfillPlugin({ process: true })],
})
const output = res.outputFiles[0].text
// console.log(output)
eval(output)
unlink()
})
|
