From b0b7114c3bea301143e4c2ef58189fc15649ac6c Mon Sep 17 00:00:00 2001
From: Colin Darie <colin@darie.eu>
Date: Thu, 2 Feb 2023 14:50:43 +0100
Subject: [PATCH] feat: jsv support for primitives

---
 lib/support/jsv.rb                      |  9 +++
 lib/support/jsv/core_ext/array.rb       |  5 ++
 lib/support/jsv/core_ext/false_class.rb |  5 ++
 lib/support/jsv/core_ext/hash.rb        | 11 ++++
 lib/support/jsv/core_ext/number.rb      |  5 ++
 lib/support/jsv/core_ext/string.rb      | 12 ++++
 lib/support/jsv/core_ext/symbol.rb      |  5 ++
 lib/support/jsv/core_ext/true_class.rb  |  5 ++
 spec/lib/support/jsv_spec.rb            | 75 +++++++++++++++++++++++++
 9 files changed, 132 insertions(+)
 create mode 100644 lib/support/jsv.rb
 create mode 100644 lib/support/jsv/core_ext/array.rb
 create mode 100644 lib/support/jsv/core_ext/false_class.rb
 create mode 100644 lib/support/jsv/core_ext/hash.rb
 create mode 100644 lib/support/jsv/core_ext/number.rb
 create mode 100644 lib/support/jsv/core_ext/string.rb
 create mode 100644 lib/support/jsv/core_ext/symbol.rb
 create mode 100644 lib/support/jsv/core_ext/true_class.rb
 create mode 100644 spec/lib/support/jsv_spec.rb

diff --git a/lib/support/jsv.rb b/lib/support/jsv.rb
new file mode 100644
index 000000000..0d09cf69d
--- /dev/null
+++ b/lib/support/jsv.rb
@@ -0,0 +1,9 @@
+# spec by dolist https://api.dolist.com/ConvertJSON-to-JSV.html
+#
+require_relative "jsv/core_ext/array"
+require_relative "jsv/core_ext/false_class"
+require_relative "jsv/core_ext/hash"
+require_relative "jsv/core_ext/number"
+require_relative "jsv/core_ext/string"
+require_relative "jsv/core_ext/symbol"
+require_relative "jsv/core_ext/true_class"
diff --git a/lib/support/jsv/core_ext/array.rb b/lib/support/jsv/core_ext/array.rb
new file mode 100644
index 000000000..67c262513
--- /dev/null
+++ b/lib/support/jsv/core_ext/array.rb
@@ -0,0 +1,5 @@
+class Array
+  def to_jsv
+    "[" + reject(&:nil?).map(&:to_jsv).join(",") + "]"
+  end
+end
diff --git a/lib/support/jsv/core_ext/false_class.rb b/lib/support/jsv/core_ext/false_class.rb
new file mode 100644
index 000000000..171eb991b
--- /dev/null
+++ b/lib/support/jsv/core_ext/false_class.rb
@@ -0,0 +1,5 @@
+class TrueClass
+  def to_jsv
+    "True"
+  end
+end
diff --git a/lib/support/jsv/core_ext/hash.rb b/lib/support/jsv/core_ext/hash.rb
new file mode 100644
index 000000000..3fc326552
--- /dev/null
+++ b/lib/support/jsv/core_ext/hash.rb
@@ -0,0 +1,11 @@
+class Hash
+  def to_jsv
+    js_array = filter_map do |key, value|
+      next if value.nil? # skip nil values
+
+      "#{key.to_jsv}:#{value.to_jsv}"
+    end
+
+    "{" + js_array.join(",") + "}"
+  end
+end
diff --git a/lib/support/jsv/core_ext/number.rb b/lib/support/jsv/core_ext/number.rb
new file mode 100644
index 000000000..def9ee63d
--- /dev/null
+++ b/lib/support/jsv/core_ext/number.rb
@@ -0,0 +1,5 @@
+class Numeric
+  def to_jsv
+    self
+  end
+end
diff --git a/lib/support/jsv/core_ext/string.rb b/lib/support/jsv/core_ext/string.rb
new file mode 100644
index 000000000..fb1cc0a8a
--- /dev/null
+++ b/lib/support/jsv/core_ext/string.rb
@@ -0,0 +1,12 @@
+class String
+  JSV_REGEX_SPECIAL_CHARS = /[\[\]\{\}"\,]/.freeze
+
+  def to_jsv
+    double_quoted = self.gsub('"', '""')
+    if match?(JSV_REGEX_SPECIAL_CHARS)
+      "\"#{double_quoted}\""
+    else
+      double_quoted
+    end
+  end
+end
diff --git a/lib/support/jsv/core_ext/symbol.rb b/lib/support/jsv/core_ext/symbol.rb
new file mode 100644
index 000000000..44c26d6c3
--- /dev/null
+++ b/lib/support/jsv/core_ext/symbol.rb
@@ -0,0 +1,5 @@
+class Symbol
+  def to_jsv
+    to_s.to_jsv
+  end
+end
diff --git a/lib/support/jsv/core_ext/true_class.rb b/lib/support/jsv/core_ext/true_class.rb
new file mode 100644
index 000000000..090ebe9f7
--- /dev/null
+++ b/lib/support/jsv/core_ext/true_class.rb
@@ -0,0 +1,5 @@
+class FalseClass
+  def to_jsv
+    "False"
+  end
+end
diff --git a/spec/lib/support/jsv_spec.rb b/spec/lib/support/jsv_spec.rb
new file mode 100644
index 000000000..f3b9670d0
--- /dev/null
+++ b/spec/lib/support/jsv_spec.rb
@@ -0,0 +1,75 @@
+require_relative "../../../lib/support/jsv"
+
+describe ".to_jsv support" do
+  it "converts a Hash to JSV" do
+    expect({}.to_jsv).to eq("{}")
+    expect({ "a" => "b" }.to_jsv).to eq("{a:b}")
+  end
+
+  it "converts an Array to JSV" do
+    expect([].to_jsv).to eq("[]")
+    expect(["a", "b"].to_jsv).to eq("[a,b]")
+  end
+
+  it "converts a String to JSV" do
+    expect("".to_jsv).to eq("")
+    expect("a".to_jsv).to eq("a")
+
+    # escape special characters
+    expect("a[b".to_jsv).to eq('"a[b"')
+    expect("a]b".to_jsv).to eq('"a]b"')
+    expect("a,b".to_jsv).to eq('"a,b"')
+    expect("a{b".to_jsv).to eq('"a{b"')
+    expect("a}b".to_jsv).to eq('"a}b"')
+    expect('a"b'.to_jsv).to eq('"a""b"')
+  end
+
+  it "skip null values" do
+    expect({ "a" => nil }.to_jsv).to eq("{}")
+    expect([nil].to_jsv).to eq("[]")
+  end
+
+  it "converts symbols like strings" do
+    expect({ a: :b }.to_jsv).to eq("{a:b}")
+  end
+
+  it "converts booleans" do
+    expect(true.to_jsv).to eq("True")
+    expect(false.to_jsv).to eq("False")
+  end
+
+  it "converts numbers" do
+    expect(1.to_jsv).to eq(1)
+    expect(3.14.to_jsv).to eq(3.14)
+  end
+
+  it "converts nested structures" do
+    expect({ "a" => { "b" => "c" } }.to_jsv).to eq("{a:{b:c}}")
+    expect({ "a" => ["b", "c"] }.to_jsv).to eq("{a:[b,c]}")
+  end
+
+  it "converts relastic structures" do
+    hash = {
+      Type: :TransactionalService,
+      "Contact": {
+        "FieldList": [
+          {
+            "ID": 3,
+            "Value": "glou[0]"
+          }
+        ]
+      },
+      "Message": {
+        "Subject": "You, and me",
+        "ForceHttp": true,
+        "IsTrackingValidated": false,
+        "IgnoreMe": nil,
+        "SourceCode":  "<html><body><p>Un mail tout simple pour commencer</p></body></html>",
+        "SourceWithQuote": 'Ceci est une double quote: "'
+      }
+    }
+
+    expected = '{Type:TransactionalService,Contact:{FieldList:[{ID:3,Value:"glou[0]"}]},Message:{Subject:"You, and me",ForceHttp:True,IsTrackingValidated:False,SourceCode:<html><body><p>Un mail tout simple pour commencer</p></body></html>,SourceWithQuote:"Ceci est une double quote: """}}'
+    expect(hash.to_jsv).to eq(expected)
+  end
+end