Optimize error handling in SUI core build and compile functions

sui/core/build.go

@@ -140,7 +140,7 @@ func (page *Page) BuildAsComponent(sel *goquery.Selection, ctx *BuildContext, op
 
 	name, exists := sel.Attr("is")
 	if !exists {
-		return "", fmt.Errorf("The component tag must have an is attribute")
+		return "", fmt.Errorf("The component %s tag must have an is attribute", page.Route)
 	}
 
 	namespace := Namespace(name, ctx.sequence, option.ScriptMinify)
@@ -488,7 +488,7 @@ func (page *Page) buildComponents(doc *goquery.Document, ctx *BuildContext, opti
 		sel.SetAttr("parsed", "true")
 		ipage, err := tmpl.Page(name)
 		if err != nil {
-			message := err.Error()
+			message := fmt.Sprintf("%s on page %s", err.Error(), page.Route)
 			warnings = append(warnings, message)
 			setError(sel, err)
 			return
@@ -496,7 +496,7 @@ func (page *Page) buildComponents(doc *goquery.Document, ctx *BuildContext, opti
 
 		err = ipage.Load()
 		if err != nil {
-			message := err.Error()
+			message := fmt.Sprintf("%s on page %s", err.Error(), page.Route)
 			warnings = append(warnings, message)
 			setError(sel, err)
 			return
@@ -690,6 +690,9 @@ func (page *Page) BuildHTML(option *BuildOption) (string, error) {
 func setError(sel *goquery.Selection, err error) {
 	html := `<div style="color:red; margin:10px 0px; font-size: 12px; font-family: monospace; padding: 10px; border: 1px solid red; background-color: #f8d7da;">%s</div>`
 	sel.SetHtml(fmt.Sprintf(html, err.Error()))
+	if sel.Nodes != nil || len(sel.Nodes) > 0 {
+		sel.Nodes[0].Data = "Error"
+	}
 }
 
 func addTabToEachLine(input string, prefix ...string) string {

sui/core/compile.go

@@ -23,7 +23,7 @@ func (page *Page) Compile(ctx *BuildContext, option *BuildOption) (string, []str
 
 	doc, warnings, err := page.Build(ctx, option)
 	if err != nil {
-		return "", warnings, err
+		return "", warnings, fmt.Errorf("Page build error: %s", err.Error())
 	}
 
 	if warnings != nil && len(warnings) > 0 {
@@ -105,7 +105,7 @@ func (page *Page) Compile(ctx *BuildContext, option *BuildOption) (string, []str
 	page.ReplaceDocument(doc)
 	html, err := doc.Html()
 	if err != nil {
-		return "", warnings, err
+		return "", warnings, fmt.Errorf("Generate html error: %s", err.Error())
 	}
 
 	// @todo: Minify the html

sui/storages/local/build.go

@@ -324,13 +324,13 @@ func (page *Page) Build(globalCtx *core.GlobalBuildContext, option *core.BuildOp
 
 	html, warnings, err := page.Page.Compile(ctx, option)
 	if err != nil {
-		return warnings, err
+		return warnings, fmt.Errorf("Compile the page %s error: %s", page.Route, err.Error())
 	}
 
 	// Save the html
 	err = page.writeHTML([]byte(html), option.Data)
 	if err != nil {
-		return warnings, err
+		return warnings, fmt.Errorf("Write the page %s error: %s", page.Route, err.Error())
 	}
 
 	// Save the locale files
@@ -343,11 +343,10 @@ func (page *Page) Build(globalCtx *core.GlobalBuildContext, option *core.BuildOp
 	if globalCtx == nil {
 		jitComponents, err := page.tmpl.GlobRoutes(ctx.GetJitComponents(), true)
 		if err != nil {
-			return warnings, err
+			return warnings, fmt.Errorf("Glob the jit components error: %s", err.Error())
 		}
 
 		for _, route := range jitComponents {
-			var err error
 			p := page.tmpl.loaded[route]
 			if p == nil {
 				p, err = page.tmpl.Page(route)
@@ -365,9 +364,13 @@ func (page *Page) Build(globalCtx *core.GlobalBuildContext, option *core.BuildOp
 				warnings = append(warnings, messages...)
 			}
 		}
+
+		if err != nil {
+			return warnings, fmt.Errorf("Build the page %s error: %s", page.Route, err.Error())
+		}
 	}
 
-	return warnings, err
+	return warnings, nil
 
 }
 

sui/storages/local/page.go

@@ -162,7 +162,7 @@ func (tmpl *Template) Page(route string) (core.IPage, error) {
 			return page, nil
 		}
 	}
-	return nil, fmt.Errorf("Page %s not found", route)
+	return nil, fmt.Errorf("%s not found", route)
 }
 
 // PageExist check if the page exist
@@ -661,7 +661,7 @@ func (page *Page) AssetScript() (*core.Asset, error) {
 		}, nil
 	}
 
-	return nil, fmt.Errorf("Page %s script not found", page.Route)
+	return nil, fmt.Errorf("%s script not found", page.Route)
 }
 
 // AssetStyle get the style
@@ -683,5 +683,5 @@ func (page *Page) AssetStyle() (*core.Asset, error) {
 			Content: cssCode,
 		}, nil
 	}
-	return nil, fmt.Errorf("Page %s style not found", page.Route)
+	return nil, fmt.Errorf("%s style not found", page.Route)
 }