File size: 3,998 Bytes
da39a92 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 | 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()
})
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