[FIX] owl-core: add .toShape() to reuse a schema as props#1967
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Passing a composed schema (e.g. `t.and([...])` or `t.object({...})`) to
`props()` failed validation with a spurious `missingKeys: ["optional"]`
error: a validator is a function carrying an `.optional` method, so
`props()` mistook it for a plain `{key: Type}` shape and `Object.keys`
returned `["optional"]`.
Rather than teach `props()` to unwrap a validator, object schemas
(`t.object`, `t.strictObject`) and intersections of them (`t.and`) now
expose a `.toShape()` method returning the `{key: type}` map they were
built from (`t.and` merges the shapes of its members). `props()` is left
unchanged; a reusable schema drives props via `props(Schema.toShape())`,
e.g. `applyDefaults(props(Schema.toShape()), Schema)`.
closes #1966
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Passing a composed schema (e.g.
t.and([...])ort.object({...})) toprops()failed validation with a spuriousmissingKeys: ["optional"]error: a validator is a function carrying an.optionalmethod, soprops()mistook it for a plain{key: Type}shape andObject.keysreturned["optional"].Rather than teach
props()to unwrap a validator, object schemas (t.object,t.strictObject) and intersections of them (t.and) now expose a.toShape()method returning the{key: type}map they were built from (t.andmerges the shapes of its members).props()is left unchanged; a reusable schema drives props viaprops(Schema.toShape()), e.g.applyDefaults(props(Schema.toShape()), Schema).closes #1966