add JSONText methods for Symbol and JSONText

src/JSON.jl

@@ -70,6 +70,35 @@ x = JSON.parse("[1,2,3]", JSONText)
 struct JSONText
     value::String
 end
+JSON.JSONText(js::JSONText) = js
+
+VERSION >= v"1.11" && eval(Meta.parse("public @js_str"))
+
+"""
+    js" -> JSONText
+
+Construct a JSONText. String interpolation is supported via the `i` flag.
+### Examples
+```
+js\"\"\"alert("Hello World")\"\"\"
+# JSONText("alert(\"Hello World\")")
+
+js\"\"\"alert("1 + 2 == \$(1 + 2)")\"\"\"i
+# JSONText("alert(\"1 + 2 == 3\")")
+```
+"""
+macro js_str(s)
+    :( JSONText($(esc(s))) )
+end
+
+macro js_str(s, flags)
+    flags == "i" || @warn "Only 'i' flag currently supported (string interpolation)."
+    if 'i' in flags
+        :( JSONText($(esc(Meta.parse("\"$s\"")))) )
+    else
+        :( JSONText($(esc(s))) )
+    end
+end
 
 include("lazy.jl")
 include("parse.jl")

test/json.jl

@@ -107,7 +107,7 @@ end
     arr[3] = "b"
     @test JSON.json(arr) == "[\"a\",null,\"b\"]"
     # test custom struct writing
-    # defined in the test/struct.jl file
+    # defined in the test/parse.jl file
     a = A(1, 2, 3, 4)
     @test JSON.json(a) == "{\"a\":1,\"b\":2,\"c\":3,\"d\":4}"
     x = LotsOfFields("1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24", "25", "26", "27", "28", "29", "30", "31", "32", "33", "34", "35")
@@ -256,6 +256,7 @@ end
     @test JSON.json(Dict(Point(1, 2) => "hi")) == "{\"1_2\":\"hi\"}"
     x = JSONText("[1,2,3]")
     @test JSON.json(x) == "[1,2,3]"
+    @test JSONText(x) == x
     @test JSON.json((a=1, b=nothing)) == "{\"a\":1,\"b\":null}"
     @test JSON.json((a=1, b=nothing); omit_null=true) == "{\"a\":1}"
     @test JSON.json((a=1, b=nothing); omit_null=false) == "{\"a\":1,\"b\":null}"