Emacs setup

I’m trying to use the purescript-language-server and I’m having trouble working out how to set language server settings:

Nvim, coc.nvim:

 "languageserver": {
    "purescript": {
      "command": "purescript-language-server",
      "args": ["--stdio"],
      "filetypes": ["purescript"],
      "trace.server": "off",
      "rootPatterns": ["bower.json", "psc-package.json", "spago.dhall"],
      "settings": {
        "purescript": {
          "addSpagoSources": true,
          "addNpmPath": true // Set to true if using a local purty install for formatting
          // etc
        }
      }
    }
  }

Solution:

(lsp-register-custom-settings '(("purescript.addSpagoSources" t t)
                                ("purescript.addNpmPath" t t)))

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Reference:

1. LSP Mode - LSP support for Emacs