56bd6638db
Generate .d.ts output for Web Component bundles and add a CLI -dts mode.\n\nCo-Authored-By: Virgil <virgil@lethean.io>
70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
package codegen
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import (
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestGenerateClass_Good(t *testing.T) {
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js, err := GenerateClass("photo-grid", "C")
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require.NoError(t, err)
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assert.Contains(t, js, "class PhotoGrid extends HTMLElement")
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assert.Contains(t, js, "attachShadow")
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assert.Contains(t, js, `mode: "closed"`)
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assert.Contains(t, js, "photo-grid")
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}
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func TestGenerateClass_Bad_InvalidTag(t *testing.T) {
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_, err := GenerateClass("invalid", "C")
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assert.Error(t, err, "custom element names must contain a hyphen")
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}
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func TestGenerateRegistration_Good(t *testing.T) {
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js := GenerateRegistration("photo-grid", "PhotoGrid")
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assert.Contains(t, js, "customElements.define")
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assert.Contains(t, js, `"photo-grid"`)
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assert.Contains(t, js, "PhotoGrid")
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}
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func TestTagToClassName_Good(t *testing.T) {
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tests := []struct{ tag, want string }{
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{"photo-grid", "PhotoGrid"},
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{"nav-breadcrumb", "NavBreadcrumb"},
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{"my-super-widget", "MySuperWidget"},
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}
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for _, tt := range tests {
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got := TagToClassName(tt.tag)
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assert.Equal(t, tt.want, got, "TagToClassName(%q)", tt.tag)
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}
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}
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func TestGenerateBundle_Good(t *testing.T) {
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slots := map[string]string{
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"H": "nav-bar",
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"C": "main-content",
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}
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js, err := GenerateBundle(slots)
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require.NoError(t, err)
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assert.Contains(t, js, "NavBar")
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assert.Contains(t, js, "MainContent")
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assert.Equal(t, 2, strings.Count(js, "extends HTMLElement"))
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}
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func TestGenerateTypeDefinitions_Good(t *testing.T) {
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slots := map[string]string{
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"H": "nav-bar",
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"C": "main-content",
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}
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dts, err := GenerateTypeDefinitions(slots)
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require.NoError(t, err)
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assert.Contains(t, dts, "declare global")
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assert.Contains(t, dts, "class NavBar extends HTMLElement")
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assert.Contains(t, dts, "class MainContent extends HTMLElement")
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assert.Contains(t, dts, `"nav-bar": NavBar;`)
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assert.Contains(t, dts, `"main-content": MainContent;`)
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assert.Contains(t, dts, "export {};")
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}
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