Use gamma 2.40 for display-referred rec2020

[ntkme]

Closes sass/sass#4185.

• Use gamma 2.40 for display-referred rec2020 sass-spec#2107
• Use gamma 2.40 for display-referred rec2020 dart-sass#2729

[ntkme]

There is a weird ts-jest bug that prevents the test to run on node 20. Otherwise this works fine. Compiled JS code also works fine on node 20 in the js-api-spec test.

[ntkme]

@nex3 I fixed other things you pointed out expect the node/typescript/ts-jest compatibility issue. I think one solution is to just compile all test to JS and run plain jest without ts-jest.

@Goodwine What was your other workaround for the color.js 6 typescript import issue? I'm curious because at this point maybe that's actually a better solution.

[Goodwine]

@ntkme I added the following to tsconfig.json:

"paths": {
  "colorjs.io": "node_modules/colorjs.io/...something.../types.d.ts"
}

[ntkme]

Basically I used a freshly cloned repo and tried adding the following under "compilerOptions". None of these worked:

    "paths": {
      "colorjs.io": "node_modules/colorjs.io/types/src/types.d.ts"
    }

    "paths": {
      "colorjs.io": "node_modules/colorjs.io/types/src/index.d.ts"
    }

    "paths": {
      "colorjs.io": "node_modules/colorjs.io/types/index.d.ts"
    }

@Goodwine Am I missing something, or maybe you're running an older version of node, typescript, ts-jest, or jest?

[ntkme]

Basically I'm keep hitting this color-js/color.js#707 unless I apply the module and moduleResolution changes suggested in that issue.

[ntkme]

color-js/color.js#707 (comment)