From 7aa55bb89a221b2c2ebb68ab6999449afb9e4dc7 Mon Sep 17 00:00:00 2001
From: Chase Fleming <1666730+chasefleming@users.noreply.github.com>
Date: Sun, 1 Oct 2023 12:13:51 -0700
Subject: [PATCH] Create initial elements
---
Makefile | 9 +++++++
elem.go | 49 +++++++++++++++++++++++++++++++++++
elements.go | 45 +++++++++++++++++++++++++++++++++
elements_test.go | 66 ++++++++++++++++++++++++++++++++++++++++++++++++
go.mod | 11 ++++++++
go.sum | 10 ++++++++
6 files changed, 190 insertions(+)
create mode 100644 Makefile
create mode 100644 elem.go
create mode 100644 elements.go
create mode 100644 elements_test.go
create mode 100644 go.mod
create mode 100644 go.sum
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..37bd484
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+.PHONY: test tidy
+
+tidy:
+ @echo "Tidying up module..."
+ go mod tidy
+
+test:
+ @echo "Running tests..."
+ go test ./...
\ No newline at end of file
diff --git a/elem.go b/elem.go
new file mode 100644
index 0000000..a4adbdf
--- /dev/null
+++ b/elem.go
@@ -0,0 +1,49 @@
+package elem
+
+import (
+ "sort"
+)
+
+type Element struct {
+ Tag string
+ Props map[string]string
+ Children []interface{} // Can be either string (for text) or another Element
+}
+
+func NewElement(tag string, props Props, children ...interface{}) *Element {
+ return &Element{
+ Tag: tag,
+ Props: props,
+ Children: children,
+ }
+}
+
+func (e *Element) Render() string {
+ // Sort the keys for consistent order
+ keys := make([]string, 0, len(e.Props))
+ for k := range e.Props {
+ keys = append(keys, k)
+ }
+ sort.Strings(keys)
+
+ props := ""
+ for _, k := range keys {
+ props += ` ` + k + `="` + e.Props[k] + `"`
+ }
+
+ content := ""
+ for _, child := range e.Children {
+ switch c := child.(type) {
+ case string:
+ content += c
+ case *Element:
+ content += c.Render()
+ }
+ }
+
+ if content == "" {
+ return `<` + e.Tag + props + ` />` // Self-closing tag
+ }
+
+ return `<` + e.Tag + props + `>` + content + ``
+}
diff --git a/elements.go b/elements.go
new file mode 100644
index 0000000..6b4e9e0
--- /dev/null
+++ b/elements.go
@@ -0,0 +1,45 @@
+package elem
+
+func Div(props Props, children ...interface{}) *Element {
+ return NewElement("div", props, children...)
+}
+
+func H1(props Props, children ...interface{}) *Element {
+ return NewElement("h1", props, children...)
+}
+
+func H2(props Props, children ...interface{}) *Element {
+ return NewElement("h2", props, children...)
+}
+
+func H3(props Props, children ...interface{}) *Element {
+ return NewElement("h3", props, children...)
+}
+
+func P(props Props, children ...interface{}) *Element {
+ return NewElement("p", props, children...)
+}
+
+func A(props Props, children ...interface{}) *Element {
+ return NewElement("a", props, children...)
+}
+
+func Span(props Props, children ...interface{}) *Element {
+ return NewElement("span", props, children...)
+}
+
+func Ul(props Props, children ...interface{}) *Element {
+ return NewElement("ul", props, children...)
+}
+
+func Li(props Props, children ...interface{}) *Element {
+ return NewElement("li", props, children...)
+}
+
+func Img(props Props) *Element {
+ return NewElement("img", props)
+}
+
+func Text(content string) string {
+ return content
+}
diff --git a/elements_test.go b/elements_test.go
new file mode 100644
index 0000000..70798e7
--- /dev/null
+++ b/elements_test.go
@@ -0,0 +1,66 @@
+package elem
+
+import (
+ "github.com/stretchr/testify/assert"
+ "testing"
+)
+
+func TestA(t *testing.T) {
+ expected := `Visit Example`
+ el := A(Props{Href: "https://example.com"}, Text("Visit Example"))
+ assert.Equal(t, expected, el.Render())
+}
+
+func TestDiv(t *testing.T) {
+ expected := `Hello, Elem!
`
+ el := Div(Props{Class: "container"}, Text("Hello, Elem!"))
+ assert.Equal(t, expected, el.Render())
+}
+
+func TestH1(t *testing.T) {
+ expected := `Hello, Elem!
`
+ el := H1(Props{Class: "title"}, Text("Hello, Elem!"))
+ assert.Equal(t, expected, el.Render())
+}
+
+func TestH2(t *testing.T) {
+ expected := `Hello, Elem!
`
+ el := H2(Props{Class: "subtitle"}, Text("Hello, Elem!"))
+ assert.Equal(t, expected, el.Render())
+}
+
+func TestH3(t *testing.T) {
+ expected := `Hello, Elem!
`
+ el := H3(nil, Text("Hello, Elem!"))
+ assert.Equal(t, expected, el.Render())
+}
+
+func TestImg(t *testing.T) {
+ expected := `
`
+ el := Img(Props{Src: "image.jpg", Alt: "An image"})
+ assert.Equal(t, expected, el.Render())
+}
+
+func TestLi(t *testing.T) {
+ expected := `Item 1`
+ el := Li(nil, Text("Item 1"))
+ assert.Equal(t, expected, el.Render())
+}
+
+func TestP(t *testing.T) {
+ expected := `Hello, Elem!
`
+ el := P(nil, Text("Hello, Elem!"))
+ assert.Equal(t, expected, el.Render())
+}
+
+func TestSpan(t *testing.T) {
+ expected := `Hello, Elem!`
+ el := Span(Props{Class: "highlight"}, Text("Hello, Elem!"))
+ assert.Equal(t, expected, el.Render())
+}
+
+func TestUl(t *testing.T) {
+ expected := ``
+ el := Ul(nil, Li(nil, Text("Item 1")), Li(nil, Text("Item 2")))
+ assert.Equal(t, expected, el.Render())
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..9aa8340
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,11 @@
+module github.com/chasefleming/elem-go
+
+go 1.21.1
+
+require github.com/stretchr/testify v1.8.4
+
+require (
+ github.com/davecgh/go-spew v1.1.1 // indirect
+ github.com/pmezard/go-difflib v1.0.0 // indirect
+ gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..fa4b6e6
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,10 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=