Initial commit (by create-cloudflare CLI)

2 files changed, 239 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()
+})
diff --git a/node_modules/@esbuild-plugins/node-globals-polyfill/src/index.ts b/node_modules/@esbuild-plugins/node-globals-polyfill/src/index.ts
new file mode 100644
index 0000000..4b06c37
--- /dev/null
+++ b/node_modules/@esbuild-plugins/node-globals-polyfill/src/index.ts
@@ -0,0 +1,84 @@
+import path from 'path'
+import fs from 'fs'
+import * as esbuild from 'esbuild'
+
+export function NodeGlobalsPolyfillPlugin({
+    buffer = false,
+    // define = {},
+    process = true,
+} = {}): esbuild.Plugin {
+    return {
+        name: 'node-globals-polyfill',
+        setup({ initialOptions, onResolve, onLoad }) {
+            onResolve({ filter: /_node-buffer-polyfill_\.js/ }, (arg) => {
+                return {
+                    path: path.resolve(__dirname, '../Buffer.js'),
+                }
+            })
+            onResolve({ filter: /_node-process-polyfill_\.js/ }, (arg) => {
+                return {
+                    path: path.resolve(__dirname, '../process.js'),
+                }
+            })
+
+            // TODO esbuild cannot use virtual modules for inject: https://github.com/evanw/esbuild/issues/2762
+            // onLoad({ filter: /_virtual-process-polyfill_\.js/ }, (arg) => {
+            //     const data = fs
+            //         .readFileSync(path.resolve(__dirname, '../process.js'))
+            //         .toString()
+
+            //     const keys = Object.keys(define)
+            //     return {
+            //         loader: 'js',
+            //         contents: data.replace(
+            //             `const defines = {}`,
+            //             'const defines = {\n' +
+            //                 keys
+            //                     .filter((x) => x.startsWith('process.'))
+            //                     .sort((a, b) => a.length - b.length)
+            //                     .map(
+            //                         (k) =>
+            //                             `  ${JSON.stringify(k).replace(
+            //                                 'process.',
+            //                                 '',
+            //                             )}: ${define[k]},`,
+            //                     )
+            //                     .join('\n') +
+            //                 '\n}',
+            //         ),
+            //     }
+            // })
+            onResolve({ filter: /_virtual-process-polyfill_\.js/ }, () => {
+                return {
+                    path: path.resolve(__dirname, '../process.js'),
+                }
+            })
+            onResolve({ filter: /_virtual-buffer-polyfill_\.js/ }, () => {
+                return {
+                    path: path.resolve(__dirname, '../_buffer.js'),
+                }
+            })
+
+            const polyfills: string[] = []
+            if (process) {
+                polyfills.push(
+                    path.resolve(__dirname, '../_virtual-process-polyfill_.js'),
+                )
+            }
+            if (buffer) {
+                polyfills.push(
+                    path.resolve(__dirname, '../_virtual-buffer-polyfill_.js'),
+                )
+            }
+            if (initialOptions.inject) {
+                initialOptions.inject.push(...polyfills)
+                // handle duplicate plugin
+                initialOptions.inject = [...new Set(initialOptions.inject)]
+            } else {
+                initialOptions.inject = [...polyfills]
+            }
+        },
+    }
+}
+
+export default NodeGlobalsPolyfillPlugin