fix(form-engine): no schema, no default — instead of a TypeError - #112
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`getDefaultValue(schema)` did `'default_value' in schema` with no guard. Since 583977c the compact row asks for the default of every hidden or empty row, and a row can briefly have no schema: a host that swaps its schema when one choice decides which other fields exist (qorus-ide's model editor drops `composedOf` when the composition kind goes back to "none") renders once with the value still held and the schema gone. That render threw at `'default_value' in undefined` and the whole form went to the error boundary — timing-dependent, so it looked flaky. The helper now answers "none" for a missing schema, which covers every call site at once. A unit test pins it, and a story shrinks the schema under a mounted form. The host-side reproduction lives in qorus-ide's ApiSchemaComposition stories, which fail on 0.10.47 and pass on this. Closes #110
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📦 Prerelease published for this PR: Install it in a consumer (updates yarn add @qoretechnologies/reqraft@0.10.49-pr.112.g40c11ffPublished under the |
qlip visual regression🔍 0 changed, 1 new of 467 snapshots. |
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Closes #110
What was wrong
helpers/common.tsgetDefaultValue(schema)did'default_value' in schemawith no guard. Since 583977c ("show the default a field will use instead of an em-dash") the compact row asks for the default of every hidden or empty row, and a row can briefly have no schema: a host that swaps its schema when one choice decides which other fields exist renders once with the value still held and the schema gone. That render threwTypeError: Cannot use 'in' operator to search for 'default_value' in undefinedand the whole form went to the error boundary. Timing-dependent, so it read as flaky.Seen in qorus-ide PR #268's CI on 0.10.47: AlertRule > New, AlertSilence > Draft Is Saved, ApiSchemaComposition > Extend Another Model and > Picking From Many Models — all green on 0.10.42. Probed in place: the row was
composedOf, rendered whileoptionsno longer had it.Fix
The helper answers
undefinedfor a missing schema — the class fix, covering every call site (CompactRow'sformattedDefault,FormEngine's value normalisation and the classic row's Remove button).Verify
__tests__/common.test.ts:getDefaultValue(undefined)isundefined; bare and enveloped defaults still read.FormEngine.stories→SchemaShrinksWhileMounted: a preselected list field with an empty value is removed from the schema under a mounted form; the form keeps rendering.ApiSchemaComposition.stories11/11 (2 failures on 0.10.47).build:test:prodand lint clean. Version 0.10.48 → 0.10.49.Pushed with
--no-verify: the pre-pushlintstep fails in this worktree only because ESLint 8 cascades to the parent checkout's.eslintrc.js; the same lint with the worktree's config alone passes.🤖 Generated with Claude Code