Method formatImportLine

pkg/jsparse/document.go:284–358

formatImportLine parses an import line to create an import dependency

(line string)

// formatImportLine parses an import line to create an import dependency
func (p *DefaultJSDocument) formatImportLine(line string) *ImportDependency {
	importType := lineImportType(line)
	if importType == ModuleImportType {
		return &ImportDependency{
			InitialPath:    line,
			FinalStatement: line,
			Type:           ModuleImportType,
		}
	}

	pathChar := '"'
	path := subsetRune(line, '"', '"')
	if len(path) == 0 {
		path = subsetRune(line, '\'', '\'')
		pathChar = '\''
	}

	webDirPaths := strings.Split(p.webDir, "/")
	cleanWebDirPaths := make([]string, 0)

	for _, dp := range webDirPaths {
		if len(dp) <= 1 && strings.Contains(dp, ".") {
			continue
		}

		cleanWebDirPaths = append(cleanWebDirPaths, dp)
	}

	tokenPathPaths := strings.Split(path, "/")
	for _, tk := range tokenPathPaths {
		// tk = "." should provide support for localized paths such as "./"
		if tk == "." {
			validPageDir := p.pageDir

			if p.pageDir[:2] == "./" {
				validPageDir = p.pageDir[2:]
			}

			pageDirs := strings.Split(validPageDir, "/")
			cleanWebDirPaths = pageDirs[0 : len(pageDirs)-1]

			continue
		}

		if strings.Contains(tk, "..") {
			continue
		}

		cleanWebDirPaths = append(cleanWebDirPaths, tk)
	}

	finalPath := strings.Join(cleanWebDirPaths, "/")

	// possible that the path is referencing an index
	// we can validate this by checking if the import path is a dir
	if isIndexPath(finalPath) {
		finalPath += "/index"
		cleanWebDirPaths = append(cleanWebDirPaths, "/index")