mirror of https://github.com/zschaffer/jenga.git
79 lines
2.0 KiB
Go
79 lines
2.0 KiB
Go
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package main
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import (
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"bufio"
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"fmt"
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"html/template"
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"os"
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"path/filepath"
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"github.com/gomarkdown/markdown"
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"github.com/gomarkdown/markdown/parser"
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)
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type builder struct {
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inputFilePaths []string
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outputDirPath string
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template *template.Template
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}
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// readFile reads in a markdown file, converts it to HTML and returns the HTML string
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func readFile(filePath string) (template.HTML, error) {
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extensions := parser.CommonExtensions | parser.Attributes | parser.Mmark
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parser := parser.NewWithExtensions(extensions)
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data, err := os.ReadFile(filePath)
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if err != nil {
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return template.HTML(""), fmt.Errorf("error while reading file %v: %v", filePath, err)
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}
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html := markdown.ToHTML(data, parser, nil)
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return template.HTML(html), nil
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}
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// build reads all the files in the inputFilePaths slice, then passes them to writeOutputFile to build an index.html
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func (g *builder) build() error {
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var inputData []template.HTML
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for _, inputFilePath := range g.inputFilePaths {
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inputFileData, err := readFile(inputFilePath)
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if err != nil {
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return err
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}
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inputData = append(inputData, inputFileData)
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}
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for i, j := 0, len(inputData)-1; i < j; i, j = i+1, j-1 {
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inputData[i], inputData[j] = inputData[j], inputData[i]
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}
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fmt.Println("~ building ~")
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if err := writeOutputFile(inputData, g.outputDirPath, g.template); err != nil {
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return fmt.Errorf("failed to write to output file: %v", err)
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}
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return nil
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}
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// writeOutputFile creates an index.html file at outputDirPath using a template filled with inputData
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func writeOutputFile(inputData []template.HTML, outputDirPath string, t *template.Template) error {
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filePath := filepath.Join(outputDirPath, "index.html")
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file, err := os.Create(filePath)
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if err != nil {
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return fmt.Errorf("failed to create file %+s: %v", filePath, err)
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}
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defer file.Close()
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writer := bufio.NewWriter(file)
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defer writer.Flush()
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fmt.Println(inputData)
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if err := t.Execute(writer, inputData); err != nil {
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return fmt.Errorf("error executing template: %v", err)
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}
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return nil
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}
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