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b017f7cb01
Currently, Hugo does not inject `livereload` script if html does not contain `<head>` or `<body>`. This sometimes happens if you create new sites without `theme` and it is hard to catch the cause soon.
This PR:
* Inject livereload script even if html does not include `<head>`, `<body>`, or `<html>`
- Modern browsers execute scripts even if they are outside `<html>`
- Some js frameworks (confirmed with vite) inject HRM script without `<html>` tag
* Append warning script to html if `<head>` or `<body>` is not in html
* Fix bug that livereload cannot be appended to the tags with attrs
Close #10105
73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
// Copyright 2018 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package livereloadinject
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import (
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"bytes"
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"net/url"
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"strings"
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"testing"
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qt "github.com/frankban/quicktest"
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"github.com/gohugoio/hugo/transform"
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)
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func TestLiveReloadInject(t *testing.T) {
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c := qt.New(t)
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lrurl, err := url.Parse("http://localhost:1234/subpath")
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if err != nil {
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t.Errorf("Parsing test URL failed")
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return
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}
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expectBase := `<script src="/subpath/livereload.js?mindelay=10&v=2&port=1234&path=subpath/livereload" data-no-instant defer></script>`
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apply := func(s string) string {
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out := new(bytes.Buffer)
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in := strings.NewReader(s)
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tr := transform.New(New(*lrurl))
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tr.Apply(out, in)
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return out.String()
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}
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c.Run("Head lower", func(c *qt.C) {
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c.Assert(apply("<html><head>foo"), qt.Equals, "<html><head>"+expectBase+"foo")
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})
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c.Run("Head upper", func(c *qt.C) {
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c.Assert(apply("<html><HEAD>foo"), qt.Equals, "<html><HEAD>"+expectBase+"foo")
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})
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c.Run("Body lower", func(c *qt.C) {
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c.Assert(apply("foo</body>"), qt.Equals, "foo"+expectBase+"</body>")
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})
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c.Run("Body upper", func(c *qt.C) {
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c.Assert(apply("foo</BODY>"), qt.Equals, "foo"+expectBase+"</BODY>")
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})
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c.Run("Html upper", func(c *qt.C) {
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c.Assert(apply("<html>foo"), qt.Equals, "<html>"+expectBase+warnScript+"foo")
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})
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c.Run("Html upper with attr", func(c *qt.C) {
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c.Assert(apply(`<html lang="en">foo`), qt.Equals, `<html lang="en">`+expectBase+warnScript+"foo")
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})
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c.Run("No match", func(c *qt.C) {
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c.Assert(apply("<h1>No match</h1>"), qt.Equals, "<h1>No match</h1>"+expectBase+warnScript)
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})
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}
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