Add map.child option to parse bare colon as child$ property on maps#45
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Add map.child option to parse bare colon as child$ property on maps#45
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When list.pair is true (default false), [a:1] parses as [{"a":1}] instead
of setting "a" as a property on the array. list.pair takes precedence over
list.property when both are true. Uses the same grammar rules as
list.property (KEY CL pattern, path dives, etc.).
Examples:
[a:1] -> [{"a":1}]
[a:1,2,b:3] -> [{"a":1},2,{"b":3}]
[a:b:1] -> [{"a":{"b":1}}]
https://claude.ai/code/session_01243eqnwQ2sKcfwQgdtqV7A
- Create feature-list-pair.tsv with 51 test cases covering basic pairs, mixed pairs/values, braces, brackets, path dives, nulls, strings, trailing commas, space separation, and nested list.pair behavior - Add tsvTestWith helper for running TSV tests with custom options - Add list-pair-interaction test covering all four option combinations: pair=F/prop=T (default), pair=F/prop=F (error), pair=T/prop=T (pair precedence), pair=T/prop=F (pair precedence) - Test explicit maps and nested lists inside list.pair contexts - Verify maps outside lists are unaffected by list.pair https://claude.ai/code/session_01243eqnwQ2sKcfwQgdtqV7A
When list.child is true (default false), [:value] syntax stores the
value on the array as the child$ property. Multiple child values merge
using the same logic as map.extend (deep merge by default, last-wins
when extend is false).
Examples:
[:1] -> [] with child$=1
[1,:2,3] -> [1,3] with child$=2
[:{a:1},:{b:2}]-> [] with child$={a:1,b:2}
Works independently with list.property and list.pair. Maps outside
lists are unaffected.
TSV tests: feature-list-child.tsv (44 cases),
feature-list-child-pair.tsv (17 cases), plus JS interaction tests.
https://claude.ai/code/session_01243eqnwQ2sKcfwQgdtqV7A
- TSV tests for outermost child$ with nested lists (feature-list-child-deep.tsv) - TSV tests for pair+child deep nesting (feature-list-child-pair-deep.tsv) - JS tests verifying child$ at every nesting depth: 2-level, 3-level, child-as-value chaining, sibling lists, maps containing lists with child$, and pair+child combinations at multiple levels https://claude.ai/code/session_01243eqnwQ2sKcfwQgdtqV7A
When map.child is true (default false), {:1,a:2} parses as
{"child$":1,"a":2}. Multiple child values merge using the same
deep-merge logic as duplicate keys (map.extend/map.merge).
- Grammar: add CL alternate in pair rule open, with bc handler
for child$ assignment and merge
- Works in explicit maps ({:1}), implicit maps (a:1,:2), and
nested maps at any depth
- TSV tests: feature-map-child.tsv (31 cases), feature-map-child-deep.tsv
(10 cases for deep structures with both map.child and list.child)
- JS tests: map-child-interaction covering disabled default, merge
semantics, extend=false, independence from list.child, nested maps
with child$ at multiple levels, and cross-feature interactions
https://claude.ai/code/session_01243eqnwQ2sKcfwQgdtqV7A
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