FreeBSD 12.1-amd64

First, npm install failed because of unsupport platform:

⠧ [36/87] Installing safe-buffer@^5.1.2platform unsupported babel-loader@8.1.0 › webpack@4.38.0 › watchpack@1.6.1 › chokidar@2.1.8 › fsevents@^1.2.7 Package require os(darwin) not compatible with your platform(freebsd)

[4/5] scripts.install puppeteer@^2.0.0 run "node install.js", root: "/root/src/send/node_modules/_puppeteer@2.1.1@puppeteer"
/root/src/send/node_modules/_puppeteer@2.1.1@puppeteer/lib/helper.js:283
    throw new Error(message);
    ^

Error: Unsupported platform: freebsd
    at assert (/root/src/send/node_modules/_puppeteer@2.1.1@puppeteer/lib/helper.js:283:11)
    at new BrowserFetcher (/root/src/send/node_modules/_puppeteer@2.1.1@puppeteer/lib/BrowserFetcher.js:96:7)
    at module.exports.createBrowserFetcher (/root/src/send/node_modules/_puppeteer@2.1.1@puppeteer/lib/Puppeteer.js:102:12)

Second, running failed:

(node:64640) UnhandledPromiseRejectionWarning: Error: no such file or directory
    at MemoryFileSystem.readFileSync (/root/src/send/node_modules/_memory-fs@0.4.1@memory-fs/lib/MemoryFileSystem.js:114:10)
    at getManifest (/root/src/send/common/assets.js:35:31)
    at Object.getAssetWithMiddleware [as get] (/root/src/send/common/assets.js:42:19)
    at module.exports (/root/src/send/server/state.js:43:28)
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (internal/process/task_queues.js:97:5)
    at async index (/root/src/send/server/routes/pages.js:13:22)

   ERROR in ./node_modules/_@fluent_bundle@0.13.0@@fluent/bundle/src/index.js
    Module build failed (from ./node_modules/_webpack-unassert-loader@1.2.0@webpack-unassert-loader/index.js):
    Error: Line 10: Unexpected token
        at ErrorHandler.constructError (/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:5012:22)
        at ErrorHandler.createError (/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:5028:27)
        at Parser.unexpectedTokenError (/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:1985:39)
        at Parser.tolerateUnexpectedToken (/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:1998:42)
        at Parser.parseStatementListItem (/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:3365:31)
        at Parser.parseScript (/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:4723:29)
        at Object.parse (/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:122:61)
        at Object.module.exports (/root/src/send/node_modules/_webpack-unassert-loader@1.2.0@webpack-unassert-loader/index.js:20:21)

Third, webpage error:

app.1c5ba71c.js:67980 Uncaught Error: Module build failed (from ./node_modules/_webpack-unassert-loader@1.2.0@webpack-unassert-loader/index.js):
Error: Line 1: Unexpected token
    at ErrorHandler.constructError (:8080/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:5012)
    at ErrorHandler.createError (:8080/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:5028)
    at Parser.unexpectedTokenError (:8080/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:1985)
    at Parser.tolerateUnexpectedToken (:8080/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:1998)
    at Parser.parseStatementListItem (:8080/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:3371)
    at Parser.parseScript (:8080/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:4723)
    at Object.parse (:8080/root/src/send/node_modules/_esprima@4.0.1@esprima/dist/esprima.js:122)
    at Object.module.exports (:8080/root/src/send/node_modules/_webpack-unassert-loader@1.2.0@webpack-unassert-loader/index.js:20)
    at Object../node_modules/_crc@3.8.0@crc/crc32.js (app.1c5ba71c.js:67980)
    at __webpack_require__ (bootstrap:63)

I think that mozilla/send doesn't support freebsd yet..