commit 490c5e5cc571f368a2391de3e6c0689a14c8ebe8 Author: Stanislav N. aka pztrn Date: Sat Mar 21 13:04:54 2020 +0500 Initial commit with some working code and basic example. diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..1d819cc --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +.idea +*DS_Store* diff --git a/.golangci.yml b/.golangci.yml new file mode 100644 index 0000000..e9cfe4b --- /dev/null +++ b/.golangci.yml @@ -0,0 +1,24 @@ +run: + deadline: 5m +linters: + enable-all: true + disable: + # Because globals might exist, but according to our codestyle they + # should be lowercased and considered as unexported. + - gochecknoglobals + # While it might be useful it'll create more problems that will solve. + - gocritic + # This linter goes crazy for nothing (almost). + - funlen + # Code duplications checks are good, but not for right now. This linter + # should be enabled later, when 1.0.0 will be released. + - dupl + # Magic numbers everywhere. + - gomnd +linters-settings: + lll: + line-length: 420 + gocyclo: + min-complexity: 40 + gocognit: + min-complexity: 50 diff --git a/README.md b/README.md new file mode 100644 index 0000000..ca1ed3b --- /dev/null +++ b/README.md @@ -0,0 +1,12 @@ +# BulpherJS + +[bulma](https://bulma.io) for GopherJS. + +## Installation + +TBW + +## Usage + +TBW + diff --git a/common/const.go b/common/const.go new file mode 100644 index 0000000..da6ed84 --- /dev/null +++ b/common/const.go @@ -0,0 +1,37 @@ +package common + +const ( + HTMLElementA = "a" + HTMLElementBody = "body" + HTMLElementButton = "button" + HTMLElementDiv = "div" + HTMLElementDocument = "document" + HTMLElementHead = "head" + HTMLElementLink = "link" + HTMLElementMeta = "meta" + HTMLElementNav = "nav" + HTMLElementP = "p" + HTMLElementSection = "section" + + HTMLElementParameterClassList = "classList" + HTMLElementParameterHref = "href" + HTMLElementParameterID = "id" + HTMLElementParameterRel = "rel" + HTMLElementParameterRole = "role" + + HTMLMetaParameterCharset = "charset" + HTMLMetaParameterContent = "content" + HTMLMetaParameterName = "name" + + HTMLHeadElementTitle = "title" + + JSCallAdd = "add" + JSCallAddEventListener = "addEventListener" + JSCallAppendChild = "appendChild" + JSCallCreateElement = "createElement" + JSCallQuerySelector = "querySelector" + + JSConsole = "console" + + JSEventDOMContentLoaded = "DOMContentLoaded" +) diff --git a/common/log.go b/common/log.go new file mode 100644 index 0000000..c351aa1 --- /dev/null +++ b/common/log.go @@ -0,0 +1,10 @@ +package common + +import ( + "github.com/gopherjs/gopherjs/js" +) + +// Log logs everything passed to Javascript console. +func Log(args ...interface{}) { + js.Global.Get(JSConsole).Call("log", args...) +} diff --git a/elements/a.go b/elements/a.go new file mode 100644 index 0000000..9569405 --- /dev/null +++ b/elements/a.go @@ -0,0 +1,67 @@ +package elements + +import ( + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" + "go.dev.pztrn.name/bulpherjs/metas" +) + +// AOptions is an "a" HTML element configuration structure. +type AOptions struct { + Class string + Href string + ID string + Text string +} + +// A is a controlling structure that describes everything for "a" HTML +// element. +type A struct { + metas.Generic + options *AOptions +} + +// NewA creates new "a" element controlling structure. +func NewA(opts *AOptions) *A { + a := &A{} + a.initialize(opts) + + return a +} + +// Build builds element and calls Build() for all child elements. +func (a *A) Build() *js.Object { + a.Object = js.Global.Get(common.HTMLElementDocument).Call(common.JSCallCreateElement, common.HTMLElementA) + + if a.options == nil { + return a.Object + } + + if a.options.Class != "" { + a.AddClassesFromString(a.options.Class) + } + + if a.options.Href != "" { + a.Object.Set(common.HTMLElementParameterHref, a.options.Href) + } + + if a.options.ID != "" { + a.Object.Set(common.HTMLElementParameterID, a.options.ID) + } + + if a.options.Text != "" { + a.Object.Set("textContent", a.options.Text) + } + + a.BuildChilds(a.Object) + + return a.Object +} + +// Initializes controlling structure with necessary parameters. +func (a *A) initialize(opts *AOptions) { + a.options = opts + + a.InitializeGeneric() +} diff --git a/elements/button.go b/elements/button.go new file mode 100644 index 0000000..4f3faef --- /dev/null +++ b/elements/button.go @@ -0,0 +1,67 @@ +package elements + +import ( + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" + "go.dev.pztrn.name/bulpherjs/metas" +) + +// ButtonOptions is a "button" HTML element configuration structure. +type ButtonOptions struct { + Class string + ID string + OnClickHandler func(e *js.Object) + Text string +} + +// Button is a controlling structure for "button" HTML element. +type Button struct { + metas.Generic + + options *ButtonOptions +} + +// NewButton creates new "button" HTML element controlling structure. +func NewButton(buttonOptions *ButtonOptions) *Button { + b := &Button{} + b.initialize(buttonOptions) + + return b +} + +// Build builds element and calls Build() for all child elements. +func (b *Button) Build() *js.Object { + b.Object = js.Global.Get(common.HTMLElementDocument).Call(common.JSCallCreateElement, common.HTMLElementButton) + + if b.options == nil { + return b.Object + } + + if b.options.Class != "" { + b.AddClassesFromString(b.options.Class) + } + + if b.options.ID != "" { + b.Object.Set("id", b.options.ID) + } + + if b.options.Text != "" { + b.Object.Set("textContent", b.options.Text) + } + + if b.options.OnClickHandler != nil { + b.Object.Set("onclick", b.options.OnClickHandler) + } + + b.BuildChilds(b.Object) + + return b.Object +} + +// Initializes controlling structure with necessary parameters. +func (b *Button) initialize(buttonOptions *ButtonOptions) { + b.options = buttonOptions + + b.InitializeGeneric() +} diff --git a/elements/div.go b/elements/div.go new file mode 100644 index 0000000..212dfce --- /dev/null +++ b/elements/div.go @@ -0,0 +1,56 @@ +package elements + +import ( + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" + "go.dev.pztrn.name/bulpherjs/metas" +) + +// DivOptions is a "div" HTML element configuration structure. +type DivOptions struct { + Class string + ID string +} + +// Div is a controlling structure for "div" HTML element. +type Div struct { + metas.Generic + options *DivOptions +} + +// NewDiv creates new "div" HTML element controlling structure. +func NewDiv(divOptions *DivOptions) *Div { + d := &Div{} + d.initialize(divOptions) + + return d +} + +// Build builds element and calls Build() for all child elements. +func (d *Div) Build() *js.Object { + d.Object = js.Global.Get(common.HTMLElementDocument).Call(common.JSCallCreateElement, common.HTMLElementDiv) + + if d.options == nil { + return d.Object + } + + if d.options.Class != "" { + d.AddClassesFromString(d.options.Class) + } + + if d.options.ID != "" { + d.Object.Set(common.HTMLElementParameterID, d.options.ID) + } + + d.BuildChilds(d.Object) + + return d.Object +} + +// Initializes controlling structure with necessary parameters. +func (d *Div) initialize(divOptions *DivOptions) { + d.options = divOptions + + d.InitializeGeneric() +} diff --git a/elements/link.go b/elements/link.go new file mode 100644 index 0000000..5e9d2e7 --- /dev/null +++ b/elements/link.go @@ -0,0 +1,51 @@ +package elements + +import ( + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" +) + +// LinkOptions is a "link" HTML head element configuration structure. +type LinkOptions struct { + Href string + ID string + Rel string +} + +// Link is a controlling structure for "link" HTML head element. +type Link struct { + options *LinkOptions +} + +// NewLink creates new "link" HTML head controlling structure. +func NewLink(linkOptions *LinkOptions) *Link { + l := &Link{} + l.initialize(linkOptions) + + return l +} + +// Build builds element. +func (l *Link) Build() *js.Object { + link := js.Global.Get(common.HTMLElementDocument).Call(common.JSCallCreateElement, common.HTMLElementLink) + + if l.options == nil { + return link + } + + if l.options.Href != "" { + link.Set(common.HTMLElementParameterHref, l.options.Href) + } + + if l.options.Rel != "" { + link.Set(common.HTMLElementParameterRel, l.options.Rel) + } + + return link +} + +// Initializes controlling structure with necessary parameters. +func (l *Link) initialize(linkOptions *LinkOptions) { + l.options = linkOptions +} diff --git a/elements/meta.go b/elements/meta.go new file mode 100644 index 0000000..04356ea --- /dev/null +++ b/elements/meta.go @@ -0,0 +1,55 @@ +package elements + +import ( + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" +) + +// MetaOptions is a "meta" HTML head element configuration structure. +type MetaOptions struct { + Charset string + Content string + Name string +} + +// Meta is a controlling structure for "meta" HTML head element. +type Meta struct { + options *MetaOptions +} + +// NewMeta creates "meta" HTML head controlling structure. +func NewMeta(metaOptions *MetaOptions) *Meta { + m := &Meta{} + m.initialize(metaOptions) + + return m +} + +// Build builds element. +func (m *Meta) Build() *js.Object { + meta := js.Global.Get(common.HTMLElementDocument).Call(common.JSCallCreateElement, common.HTMLElementMeta) + + if m.options == nil { + return meta + } + + if m.options.Charset != "" { + meta.Set(common.HTMLMetaParameterCharset, m.options.Charset) + } + + if m.options.Content != "" { + meta.Set(common.HTMLMetaParameterContent, m.options.Content) + } + + if m.options.Name != "" { + meta.Set(common.HTMLMetaParameterName, m.options.Name) + } + + return meta +} + +// Initializes controlling structure with necessary parameters. +func (m *Meta) initialize(metaOptions *MetaOptions) { + m.options = metaOptions +} diff --git a/elements/nav.go b/elements/nav.go new file mode 100644 index 0000000..d81ea48 --- /dev/null +++ b/elements/nav.go @@ -0,0 +1,63 @@ +package elements + +import ( + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" + "go.dev.pztrn.name/bulpherjs/metas" +) + +// NavOptions is a "nav" HTML element configuration structure. +type NavOptions struct { + Class string + Data map[string]string + Role string +} + +// Nav is a controlling structure for "nav" HTML element. +type Nav struct { + metas.Generic + options *NavOptions +} + +// NewNav creates new "nav" HTML element controlling structure. +func NewNav(navOptions *NavOptions) *Nav { + n := &Nav{} + n.initialize(navOptions) + + return n +} + +// Build builds element and calls Build() for all child elements. +func (n *Nav) Build() *js.Object { + n.Object = js.Global.Get(common.HTMLElementDocument).Call(common.JSCallCreateElement, common.HTMLElementNav) + + if n.options == nil { + return n.Object + } + + if n.options.Class != "" { + n.AddClassesFromString(n.options.Class) + } + + if n.options.Role != "" { + n.Object.Set(common.HTMLElementParameterRole, n.options.Role) + } + + if n.options.Data != nil { + for k, v := range n.options.Data { + n.Object.Set(k, v) + } + } + + n.BuildChilds(n.Object) + + return n.Object +} + +// Initializes controlling structure with necessary parameters. +func (n *Nav) initialize(navOptions *NavOptions) { + n.options = navOptions + + n.InitializeGeneric() +} diff --git a/elements/p.go b/elements/p.go new file mode 100644 index 0000000..a718c38 --- /dev/null +++ b/elements/p.go @@ -0,0 +1,61 @@ +package elements + +import ( + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" + "go.dev.pztrn.name/bulpherjs/metas" +) + +// POptions is a "p" HTML element configuration structure. +type POptions struct { + Class string + ID string + Text string +} + +// P is a controlling structure for "p" HTML element. +type P struct { + metas.Generic + options *POptions +} + +// NewP creates new "p" HTML element controlling structure. +func NewP(opts *POptions) *P { + p := &P{} + p.initialize(opts) + + return p +} + +// Build builds element and calls Build() for all child elements. +func (p *P) Build() *js.Object { + p.Object = js.Global.Get(common.HTMLElementDocument).Call(common.JSCallCreateElement, common.HTMLElementP) + + if p.options == nil { + return p.Object + } + + if p.options.Class != "" { + p.AddClassesFromString(p.options.Class) + } + + if p.options.ID != "" { + p.Object.Set(common.HTMLElementParameterID, p.options.ID) + } + + if p.options.Text != "" { + p.Object.Set("textContent", p.options.Text) + } + + p.BuildChilds(p.Object) + + return p.Object +} + +// Initializes controlling structure with necessary parameters. +func (p *P) initialize(opts *POptions) { + p.options = opts + + p.InitializeGeneric() +} diff --git a/elements/section.go b/elements/section.go new file mode 100644 index 0000000..cf8a1de --- /dev/null +++ b/elements/section.go @@ -0,0 +1,48 @@ +package elements + +import ( + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" + "go.dev.pztrn.name/bulpherjs/metas" +) + +// SectionOptions is a "section" HTML element configuration structure. +type SectionOptions struct { + Class string +} + +// Section is a controlling structure for "section" HTML element. +type Section struct { + metas.Generic + + options *SectionOptions +} + +// NewSection creates new "section" HTML element controlling structure. +func NewSection(sectionOptions *SectionOptions) *Section { + s := &Section{} + s.initialize(sectionOptions) + + return s +} + +// Build builds element and calls Build() for all child elements. +func (s *Section) Build() *js.Object { + s.Object = js.Global.Get(common.HTMLElementDocument).Call(common.JSCallCreateElement, common.HTMLElementSection) + + if s.options.Class != "" { + s.AddClassesFromString(s.options.Class) + } + + s.BuildChilds(s.Object) + + return s.Object +} + +// Initializes controlling structure with necessary parameters. +func (s *Section) initialize(sectionOptions *SectionOptions) { + s.options = sectionOptions + + s.InitializeGeneric() +} diff --git a/examples/helloworld/Makefile b/examples/helloworld/Makefile new file mode 100644 index 0000000..71f7e2d --- /dev/null +++ b/examples/helloworld/Makefile @@ -0,0 +1,29 @@ +GO := $(shell which go) +GO112_VERSION := 1.12.16 +GO112 := go${GO112_VERSION} + +GOPHERJS := $(shell which gopherjs 2> /dev/null) + +## start-web : Starts GopherJS serving. +start-web: + GOPHERJS_GOROOT="${HOME}/sdk/${GO112}" ${GOPHERJS} serve . -v + +## prepare : Installs Go 1.12 and GopherJS. Go must be already installed. +prepare: prepare-go prepare-gopherjs + +## prepare-go : Prepares specific Go tooling for GopherJS. Go must be already installed. +prepare-go: + @echo "* Getting Go 1.12.16 (required by gopherjs)" + @${GO} get golang.org/dl/${GO112} + @${GO112} download + +## prepare-gopherjs: Prepares GopherJS (e.g. compiles it). +prepare-gopherjs: + @echo "* Getting gopherjs..." + @${GO112} get -u -v github.com/gopherjs/gopherjs + +help : Makefile + @echo "helloworld Makefile available subcommands:\n" + @sed -n 's/^## //p' $< + +.DEFAULT_GOAL := help \ No newline at end of file diff --git a/examples/helloworld/README.md b/examples/helloworld/README.md new file mode 100644 index 0000000..5f87fd7 --- /dev/null +++ b/examples/helloworld/README.md @@ -0,0 +1,13 @@ +# BulpherJS Hello World + +This directory contains "hello world" example application with example Makefile. Feel free to use it in your applications. + +To start issue this command: + +```shell +make start-web +``` + +And open http://localhost:8080. + +Makefile is self-documentational with default goal to show help. Issue ``make`` to get list of available targets. \ No newline at end of file diff --git a/examples/helloworld/main.go b/examples/helloworld/main.go new file mode 100644 index 0000000..259c7dd --- /dev/null +++ b/examples/helloworld/main.go @@ -0,0 +1,73 @@ +package main + +import ( + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" + "go.dev.pztrn.name/bulpherjs/elements" +) + +func main() { + document := js.Global.Get("document") + document.Call("addEventListener", "DOMContentLoaded", func(event *js.Object) { + js.Global.Get("console").Call("log", "Hello world!") + + constructHeader() + constructBody() + }) +} + +func constructBody() { + mainSection := elements.NewSection(&elements.SectionOptions{Class: "section"}) + + mainDiv := elements.NewDiv(&elements.DivOptions{ + Class: "container", + ID: "mainContainer", + }) + mainSection.AddChild(mainDiv) + + // Columns divs. + columnsDiv := elements.NewDiv(&elements.DivOptions{ + Class: "columns", + ID: "mainColumns", + }) + mainDiv.AddChild(columnsDiv) + + // Click-Me button should be in the middle of screen. + centerDiv := elements.NewDiv(&elements.DivOptions{ + Class: "column is-half is-offset-two-fifths", + }) + columnsDiv.AddChild(centerDiv) + + startTestButton := elements.NewButton(&elements.ButtonOptions{ + Class: "button is-large is-rounded is-primary", + Text: "Click Me!", + OnClickHandler: func(e *js.Object) { + common.Log("Button clicked! Hooray") + }, + }) + centerDiv.AddChild(startTestButton) + + js.Global.Get(common.HTMLElementDocument). + Get(common.HTMLElementBody). + Call(common.JSCallAppendChild, mainSection.Build()) +} + +func constructHeader() { + link := elements.NewLink(&elements.LinkOptions{ + Href: "//cdn.jsdelivr.net/npm/bulma@0.8.0/css/bulma.min.css", + ID: "", + Rel: "stylesheet", + }) + + js.Global.Get(common.HTMLElementDocument).Get(common.HTMLElementHead).Call(common.JSCallAppendChild, link.Build()) + + metaViewport := elements.NewMeta(&elements.MetaOptions{ + Content: "width=device-width, initial-scale=1", + Name: "viewport", + }) + + js.Global.Get(common.HTMLElementDocument).Get(common.HTMLElementHead).Call(common.JSCallAppendChild, metaViewport.Build()) + + js.Global.Get(common.HTMLElementDocument).Set(common.HTMLHeadElementTitle, "BulpherJS Hello World application") +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..ff35b51 --- /dev/null +++ b/go.mod @@ -0,0 +1,16 @@ +module go.dev.pztrn.name/bulpherjs + +go 1.13 + +require ( + github.com/fsnotify/fsnotify v1.4.9 // indirect + github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 + github.com/neelance/astrewrite v0.0.0-20160511093645-99348263ae86 // indirect + github.com/neelance/sourcemap v0.0.0-20200213170602-2833bce08e4c // indirect + github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749 // indirect + github.com/spf13/cobra v0.0.6 // indirect + github.com/spf13/pflag v1.0.5 // indirect + golang.org/x/crypto v0.0.0-20200320181102-891825fb96df // indirect + golang.org/x/sys v0.0.0-20200320181252-af34d8274f85 // indirect + golang.org/x/tools v0.0.0-20200319210407-521f4a0cd458 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..cdf5799 --- /dev/null +++ b/go.sum @@ -0,0 +1,159 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= 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h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= diff --git a/metas/buildable.go b/metas/buildable.go new file mode 100644 index 0000000..ff58779 --- /dev/null +++ b/metas/buildable.go @@ -0,0 +1,9 @@ +package metas + +import "github.com/gopherjs/gopherjs/js" + +// Buildable is an interface which is used internally to ensure +// that item is buildable. Used mostly for child items. +type Buildable interface { + Build() *js.Object +} diff --git a/metas/generic.go b/metas/generic.go new file mode 100644 index 0000000..328c873 --- /dev/null +++ b/metas/generic.go @@ -0,0 +1,35 @@ +package metas + +import ( + "strings" + + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" +) + +// Generic is a structure embedded into other structures and provides +// some generic things like working with classes, IDs and others. +// Also this is the struct that holds real object. +type Generic struct { + Buildable + InnerItems + Object *js.Object +} + +// AddClassesFromString adds classes to object from string. Classes +// should be specified like "class1 class2 ... classN". +func (g *Generic) AddClassesFromString(classes string) { + classesSplitted := strings.Split(classes, " ") + + for _, class := range classesSplitted { + g.Object.Get(common.HTMLElementParameterClassList).Call(common.JSCallAdd, class) + } +} + +// InitializeGeneric initializes itself and all embedded things. This +// function SHOULD NOT be called manually by end-user, it should be +// called only for elements. +func (g *Generic) InitializeGeneric() { + g.initializeInnerItems() +} diff --git a/metas/inner.go b/metas/inner.go new file mode 100644 index 0000000..d09f106 --- /dev/null +++ b/metas/inner.go @@ -0,0 +1,32 @@ +package metas + +import ( + "github.com/gopherjs/gopherjs/js" + + "go.dev.pztrn.name/bulpherjs/common" +) + +// InnerItems is a meta structure that should be embedded in all other +// structures (notably element controlling ones). It provide ability to +// add child elements. +type InnerItems struct { + innerItems []Buildable +} + +// AddChild adds child to element. +func (it *InnerItems) AddChild(object Buildable) { + it.innerItems = append(it.innerItems, object) +} + +// BuildChilds build child elements and adds them to parent. +func (it *InnerItems) BuildChilds(parent *js.Object) { + for _, item := range it.innerItems { + itemObj := item.Build() + parent.Call(common.JSCallAppendChild, itemObj) + } +} + +// Initializes child elements storage. +func (it *InnerItems) initializeInnerItems() { + it.innerItems = make([]Buildable, 0) +}