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freesewing/packages/models/src/neckstimate/index.js
Joost De Cock e4035b2509 chore: Re-structure workspaces, enforce build order
These are some changes in the way the monorepo is structured,
that are aimed at making it easier to get started.

There are two important changes:

**Multiple workspaces**

We had a yarn workspaces setup at `packages/*`. But our monorepo has
grown to 92 packages which can be overwhelming for people not familiar
with the package names.

To remedy this, I've split it into 4 different workspaces:

- `designs/*`: Holds FreeSewing designs (think patterns)
- `plugins/*`: Holds FreeSewing plugins
- `packages/*`: Holds other packages published on NPM
- `sites/*`: Holds software that is not published as an NPM package,
  such as our various websites and backend API

This should make it easier to find things, and to answer questions like
*where do I find the code for the plugins*.

**Updated reconfigure script to handle build order**

One problem when bootstrapping the repo is inter-dependencies between
packages. For example, building a pattern will only work once
`plugin-bundle` is built. Which will only work once all plugins in the
bundle or built. And that will only work when `core` is built, and so
on.

This can be frustrating for new users as `yarn buildall` will fail.
And it gets overlooked by seasoned devs because they're likely to have
every package built in their repo so this issue doesn't concern them.

To remedy this, we now have a `config/build-order.mjs` file and the
updated `/scripts/reconfigure.mjs` script will enforce the build order
so that things *just work*.
2022-06-16 17:11:31 +02:00

45 lines
1.6 KiB
JavaScript

import withBreasts from './with-breasts'
import withoutBreasts from './without-breasts'
import ratio from './ratio'
// This estimates a measurement based on the neck
const neckstimate = (neck = false, measurement = false, breasts = false, noRound=false) => {
let data = breasts ? withBreasts : withoutBreasts
// Shoulder slope is in degrees now. Always return de default.
if (measurement === 'shoulderSlope') return withBreasts.shoulderSlope
if (!neck) throw new Error('neckstimate() requires a neck measurement in mm as first parameter')
if (!measurement) {
// No measurement passed
throw new Error(
'new neckstimate() requires a valid measurement name as second parameter. (received ' +
JSON.stringify(measurement) +
')'
)
}
if (typeof data[measurement] === 'undefined') {
if (typeof withBreasts[measurement] === 'undefined') {
// We used to throw this error, but let's just return null instead so things don't go off the rails
console.log(
new Error(`neckstimate() called with an invalid measurement name (${measurement})`)
)
return null
} else {
console.log(
`WARNING: neckstimate() called for a breasts-only measurement (${measurement}) on a no-breasts person`
)
// Return something anyway, rather than fall over
data = withBreasts
}
}
// This is what should happen
let delta = (neck / data.neck) * data[measurement] - data[measurement]
return noRound
? data[measurement] + delta * ratio[measurement]
: Math.round(data[measurement] + delta * ratio[measurement])
}
export default neckstimate