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transform: Explicitly bind LiveReload to server port
If hugo server is run on port 80 or 443, LiveReload does not correctly bind to the same port, instead using port 35729. This commit adds functionality to inform LiveReload of the correct port to bind to. See https://github.com/livereload/livereload-js/issues/16 Partially contributed by Jeff Minard (@chuyskywalker). Fixes #2205
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parent
0ce6438268
commit
7e08d23eeb
2 changed files with 10 additions and 4 deletions
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@ -16,18 +16,21 @@ package transform
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import (
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"bytes"
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"fmt"
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"github.com/spf13/viper"
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)
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func LiveReloadInject(ct contentTransformer) {
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endBodyTag := "</body>"
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match := []byte(endBodyTag)
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replaceTemplate := `<script data-no-instant>document.write('<script src="/livereload.js?mindelay=10"></' + 'script>')</script>%s`
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replace := []byte(fmt.Sprintf(replaceTemplate, endBodyTag))
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port := viper.Get("port")
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replaceTemplate := `<script data-no-instant>document.write('<script src="/livereload.js?port=%d&mindelay=10"></' + 'script>')</script>%s`
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replace := []byte(fmt.Sprintf(replaceTemplate, port, endBodyTag))
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newcontent := bytes.Replace(ct.Content(), match, replace, 1)
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if len(newcontent) == len(ct.Content()) {
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endBodyTag = "</BODY>"
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replace := []byte(fmt.Sprintf(replaceTemplate, endBodyTag))
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replace := []byte(fmt.Sprintf(replaceTemplate, port, endBodyTag))
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match := []byte(endBodyTag)
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newcontent = bytes.Replace(ct.Content(), match, replace, 1)
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}
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@ -18,6 +18,8 @@ import (
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"fmt"
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"strings"
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"testing"
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"github.com/spf13/viper"
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)
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func TestLiveReloadInject(t *testing.T) {
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@ -26,13 +28,14 @@ func TestLiveReloadInject(t *testing.T) {
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}
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func doTestLiveReloadInject(t *testing.T, bodyEndTag string) {
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viper.Set("port", 1313)
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out := new(bytes.Buffer)
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in := strings.NewReader(bodyEndTag)
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tr := NewChain(LiveReloadInject)
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tr.Apply(out, in, []byte("path"))
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expected := fmt.Sprintf(`<script data-no-instant>document.write('<script src="/livereload.js?mindelay=10"></' + 'script>')</script>%s`, bodyEndTag)
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expected := fmt.Sprintf(`<script data-no-instant>document.write('<script src="/livereload.js?port=1313&mindelay=10"></' + 'script>')</script>%s`, bodyEndTag)
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if string(out.Bytes()) != expected {
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t.Errorf("Expected %s got %s", expected, string(out.Bytes()))
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}
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