1 files changed, 155 insertions, 0 deletions
diff --git a/node_modules/@esbuild-plugins/node-globals-polyfill/src/index.test.ts b/node_modules/@esbuild-plugins/node-globals-polyfill/src/index.test.ts
new file mode 100644
index 0000000..62e530e
--- /dev/null
+++ b/node_modules/@esbuild-plugins/node-globals-polyfill/src/index.test.ts
@@ -0,0 +1,155 @@
+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()
+})