feat: js/py generate declarations from comments (#30)

1 files changed, 43 insertions, 0 deletions

diff --git a/scripts/build-declarations.sh b/scripts/build-declarations.sh
new file mode 100755
index 0000000..1f5786a
--- /dev/null
+++ b/scripts/build-declarations.sh
@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+argc --argc-export "$1" | \
+jq -r '
+    def parse_description(flag_option):
+        if flag_option.describe == "" then
+            {}
+        else
+            { "description": flag_option.describe }
+        end;
+
+    def parse_enum(flag_option):
+        if flag_option.choice.type == "Values" then
+            { "enum": flag_option.choice.data }
+        else
+            {}
+        end;
+
+    def parse_property(flag_option):
+        [
+            { condition: (flag_option.flag == true), result: { type: "boolean" } },
+            { condition: (flag_option.multiple_occurs == true), result: { type: "array", items: { type: "string" } } },
+            { condition: (flag_option.notations[0] == "INT"), result: { type: "integer" } },
+            { condition: (flag_option.notations[0] == "NUM"), result: { type: "number" } },
+            { condition: true, result: { type: "string" } } ]
+        | map(select(.condition) | .result) | first 
+        | (. + parse_description(flag_option))
+        | (. + parse_enum(flag_option))
+        ;
+
+
+    def parse_parameter(flag_options):
+        {
+            type: "object",
+            properties: (reduce flag_options[] as $item ({}; . + { ($item.id | sub("-"; "_"; "g")): parse_property($item) })),
+            required: [flag_options[] | select(.required == true) | .id | sub("-"; "_"; "g")],
+        };
+
+    [{
+        name: (.name | sub("-"; "_"; "g")),
+        description: .describe,
+        parameters: parse_parameter([.flag_options[] | select(.id != "help" and .id != "version")])
+    }]'
\ No newline at end of file