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56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
package mid
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import (
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"context"
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"net/http"
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"regexp"
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"geeks-accelerator/oss/saas-starter-kit/internal/platform/web"
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"github.com/tdewolff/minify"
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"github.com/tdewolff/minify/css"
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"github.com/tdewolff/minify/html"
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"github.com/tdewolff/minify/js"
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"github.com/tdewolff/minify/json"
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"github.com/tdewolff/minify/svg"
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"github.com/tdewolff/minify/xml"
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"gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer"
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)
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// Minify provides minification
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func Minify() web.Middleware {
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m := minify.New()
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m.AddFunc("text/css", css.Minify)
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m.AddFunc("text/html", html.Minify)
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m.AddFunc("image/svg+xml", svg.Minify)
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m.AddFuncRegexp(regexp.MustCompile("^(application|text)/(x-)?(java|ecma)script$"), js.Minify)
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m.AddFuncRegexp(regexp.MustCompile("[/+]json$"), json.Minify)
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m.AddFuncRegexp(regexp.MustCompile("[/+]xml$"), xml.Minify)
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m.AddFunc(web.MIMEApplicationJSON, json.Minify)
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m.AddFunc(web.MIMEApplicationJSONCharsetUTF8, json.Minify)
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m.AddFunc(web.MIMETextHTML, html.Minify)
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m.AddFunc(web.MIMETextHTMLCharsetUTF8, html.Minify)
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m.AddFunc(web.MIMETextPlain, html.Minify)
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m.AddFunc(web.MIMETextPlainCharsetUTF8, html.Minify)
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// This is the actual middleware function to be executed.
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f := func(after web.Handler) web.Handler {
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// Wrap this handler around the next one provided.
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h := func(ctx context.Context, w http.ResponseWriter, r *http.Request, params map[string]string) error {
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span, ctx := tracer.StartSpanFromContext(ctx, "internal.mid.minify")
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defer span.Finish()
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mw := m.ResponseWriter(w, r)
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defer mw.Close()
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return after(ctx, mw, r, params)
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}
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return h
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}
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return f
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}
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