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bug: fixed bug when trying to import module using node esm and added … #190

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bug: fixed bug when trying to import module using node esm and added … #190

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twilson63
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…documentation to use ESM web bundles

Removed exports property from package.json, this property blocks the ability to consume the NodeJS ESM library using nodeJS ESM projects.

Also, I added some documentation on how to reference web-based ESM bundles.

ppedziwiatr
ppedziwiatr reviewed Jul 12, 2022
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package.json
"require": "./lib/cjs/index.js"
},
"./esm": "bundles/esm.bundle.js",
"./web": "bundles/web.bundle.js"
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will this not break the #152 (comment) ?

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To reference the bundled web and esm you would use

import { WarpWebFactory } from 'warp-contracts/bundles/esm.bundle'

instead of

import { WarpWebFactory } from 'warp-contracts/esm'

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FWIW, I continue to struggle with this issue, but I have narrowed down the root cause. The ./lib/esm/index.js build is not esm compliant, I don't know why it is not, but I do know when I switch the exports config to point the import to cjs it works fine.

"exports": {
    ".": {
      "import": "./lib/cjs/index.js",
      "require": "./lib/cjs/index.js"
    },
    "./esm": "bundles/esm.bundle.js",
    "./web": "bundles/web.bundle.js"
  },

So that may be another option.

The current esm build results in this response:

file:///workspace/stamp-coin/copy-and-deploy.mjs:4
import { WarpFactory } from './warp/lib/esm/index.js'
         ^^^^^^^^^^^
SyntaxError: Named export 'WarpFactory' not found. The requested module './warp/lib/esm/index.js' is a CommonJS module, which may not support all module.exports as named exports.
CommonJS modules can always be imported via the default export, for example using:

import pkg from './warp/lib/esm/index.js';
const { WarpFactory } = pkg;

For now, I am just pulling down the latest source and patching the package.json

npx degit warp-contracts/warp#v1.2.0-rc.1 warp
cd warp
npx json -I -f package.json -e 'this.exports.import = "./lib/cjs/index.js"'
yarn && yarn build:cjs

Please, let me know how I can help move this bug to fixed.

@ppedziwiatr
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I believe that to make it compatible with .mjs files, we would need to add "type": "module" in the SDK's package.json...but this will probably break some other stuff :-)
The ESM version is built by the typescript compiler (https://github.com/warp-contracts/warp/blob/main/tsconfig.esm.json), so I really don't understand how can it be not compatible with esm module format :-)

We will return to this next week.

@asiaziola
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@twilson63 @ppedziwiatr I was able to make the .mjs file run correctly only using tsup npm package (https://github.com/egoist/tsup), looks cool and is based on esbuild but I'm not sure what's happening underneath. It requires a lot more tests but maybe it's a good start.

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ppedziwiatr commented Aug 21, 2022 via email

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ppedziwiatr commented Aug 21, 2022 via email

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ppedziwiatr commented Aug 21, 2022 via email

@ppedziwiatr
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ppedziwiatr commented Aug 21, 2022 via email

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ppedziwiatr commented Aug 21, 2022 via email

@asiaziola
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asiaziola commented Aug 21, 2022 •
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Yeah, I was trying this one. I got 'Permission denied' when running sh script so I dropped the idea 🤡 but as I see simply running

chmod +x build.sh

should make it work. I'll try again and let you know.

@asiaziola
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Weird af, .mjs works fine with cjs version, with esm I'm getting

Error [ERR_MODULE_NOT_FOUND]: Cannot find module '/Users/asiaziola/arweave/redstone-smartcontracts/lib/esm/logging/index' imported from /Users/asiaziola/arweave/redstone-smartcontracts/lib/esm/index.js

@asiaziola
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Seems like this is a cause https://bobbyhadz.com/blog/javascript-error-err-module-not-found-cannot-find-module#:~:text=The%20%22Error%20%5BERR_MODULE_NOT_FOUND%5D%3A,extension%20when%20importing%20local%20files.

@asiaziola
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so I guess we'd need extensions for all the imported files?

@ppedziwiatr
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ppedziwiatr commented Aug 21, 2022 via email

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ppedziwiatr commented Aug 21, 2022 via email

@asiaziola
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I dont think we should compare these libs... they have one-file package. The problem is not what is written in package.json (we have it compatible with them), I believe the problem is how we import classes etc.

@asiaziola
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asiaziola commented Aug 21, 2022 •
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I'll play with it some more :))))

@ppedziwiatr ppedziwiatr mentioned this pull request Aug 22, 2022
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@ppedziwiatr
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@asiaziola , we should probably store somewhere (probably here #209 ?) all the related articles, SO hints node and web bundlers docs/issues - that will document all the tricks that we're currently using to make all the versions work...

@ppedziwiatr
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I believe this has been finally fixed in 1.2.0-rc.2, https://github.com/warp-contracts/bundlers#readme

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@twilson63 @ppedziwiatr @asiaziola