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| 1 | +const mjml2html = require("mjml"); |
| 2 | +const { registerComponent } = require("mjml-core"); |
| 3 | +const fs = require("fs"); |
| 4 | +const path = require("path"); |
| 5 | +const glob = require("glob"); |
| 6 | + |
| 7 | +// Parse command line arguments |
| 8 | +const args = process.argv.slice(2); // Remove 'node' and script path |
| 9 | + |
| 10 | +// Parse flags |
| 11 | +const flags = { |
| 12 | + minify: args.includes("--minify") || args.includes("-m"), |
| 13 | + watch: args.includes("--watch") || args.includes("-w"), |
| 14 | + hbs: args.includes("--hbs") || args.includes("-h"), |
| 15 | + trace: args.includes("--trace") || args.includes("-t"), |
| 16 | + clean: args.includes("--clean") || args.includes("-c"), |
| 17 | + help: args.includes("--help"), |
| 18 | +}; |
| 19 | + |
| 20 | +// Use __dirname to get absolute paths relative to the script location |
| 21 | +const config = { |
| 22 | + inputDir: path.join(__dirname, "emails"), |
| 23 | + outputDir: path.join(__dirname, "out"), |
| 24 | + minify: flags.minify, |
| 25 | + validationLevel: "strict", |
| 26 | + hbsOutput: flags.hbs, |
| 27 | +}; |
| 28 | + |
| 29 | +// Debug output |
| 30 | +if (flags.trace) { |
| 31 | + console.log("[DEBUG] Script location:", __dirname); |
| 32 | + console.log("[DEBUG] Input directory:", config.inputDir); |
| 33 | + console.log("[DEBUG] Output directory:", config.outputDir); |
| 34 | +} |
| 35 | + |
| 36 | +// Ensure output directory exists |
| 37 | +if (!fs.existsSync(config.outputDir)) { |
| 38 | + fs.mkdirSync(config.outputDir, { recursive: true }); |
| 39 | + if (flags.trace) { |
| 40 | + console.log("[INFO] Created output directory:", config.outputDir); |
| 41 | + } |
| 42 | +} |
| 43 | + |
| 44 | +// Find all MJML files with absolute path |
| 45 | +const mjmlFiles = glob.sync(`${config.inputDir}/**/*.mjml`); |
| 46 | + |
| 47 | +console.log(`\n[INFO] Found ${mjmlFiles.length} MJML file(s) to compile...`); |
| 48 | + |
| 49 | +if (mjmlFiles.length === 0) { |
| 50 | + console.error("[ERROR] No MJML files found!"); |
| 51 | + console.error("[ERROR] Looked in:", config.inputDir); |
| 52 | + console.error( |
| 53 | + "[ERROR] Does this directory exist?", |
| 54 | + fs.existsSync(config.inputDir), |
| 55 | + ); |
| 56 | + process.exit(1); |
| 57 | +} |
| 58 | + |
| 59 | +// Compile each MJML file |
| 60 | +let successCount = 0; |
| 61 | +let errorCount = 0; |
| 62 | + |
| 63 | +mjmlFiles.forEach((filePath) => { |
| 64 | + try { |
| 65 | + const mjmlContent = fs.readFileSync(filePath, "utf8"); |
| 66 | + const fileName = path.basename(filePath, ".mjml"); |
| 67 | + const relativePath = path.relative(config.inputDir, filePath); |
| 68 | + |
| 69 | + console.log(`\n[BUILD] Compiling: ${relativePath}`); |
| 70 | + |
| 71 | + // Compile MJML to HTML |
| 72 | + const result = mjml2html(mjmlContent, { |
| 73 | + minify: config.minify, |
| 74 | + validationLevel: config.validationLevel, |
| 75 | + filePath: filePath, // Important: tells MJML where the file is for resolving includes |
| 76 | + mjmlConfigPath: __dirname, // Point to the directory with .mjmlconfig |
| 77 | + }); |
| 78 | + |
| 79 | + // Check for errors |
| 80 | + if (result.errors.length > 0) { |
| 81 | + console.error(`[ERROR] Failed to compile ${fileName}.mjml:`); |
| 82 | + result.errors.forEach((err) => |
| 83 | + console.error(` ${err.formattedMessage}`), |
| 84 | + ); |
| 85 | + errorCount++; |
| 86 | + return; |
| 87 | + } |
| 88 | + |
| 89 | + // Calculate output path preserving directory structure |
| 90 | + const relativeDir = path.dirname(relativePath); |
| 91 | + const outputDir = path.join(config.outputDir, relativeDir); |
| 92 | + |
| 93 | + // Ensure subdirectory exists |
| 94 | + if (!fs.existsSync(outputDir)) { |
| 95 | + fs.mkdirSync(outputDir, { recursive: true }); |
| 96 | + } |
| 97 | + |
| 98 | + const outputExtension = config.hbsOutput ? ".html.hbs" : ".html"; |
| 99 | + const outputPath = path.join(outputDir, `${fileName}${outputExtension}`); |
| 100 | + fs.writeFileSync(outputPath, result.html); |
| 101 | + |
| 102 | + console.log( |
| 103 | + `[OK] Built: ${fileName}.mjml → ${path.relative(__dirname, outputPath)}`, |
| 104 | + ); |
| 105 | + successCount++; |
| 106 | + |
| 107 | + // Log warnings if any |
| 108 | + if (result.warnings && result.warnings.length > 0) { |
| 109 | + console.warn(`[WARN] Warnings for ${fileName}.mjml:`); |
| 110 | + result.warnings.forEach((warn) => |
| 111 | + console.warn(` ${warn.formattedMessage}`), |
| 112 | + ); |
| 113 | + } |
| 114 | + } catch (error) { |
| 115 | + console.error(`[ERROR] Exception processing ${path.basename(filePath)}:`); |
| 116 | + console.error(` ${error.message}`); |
| 117 | + errorCount++; |
| 118 | + } |
| 119 | +}); |
| 120 | + |
| 121 | +console.log(`\n[SUMMARY] Compilation complete!`); |
| 122 | +console.log(` Success: ${successCount}`); |
| 123 | +console.log(` Failed: ${errorCount}`); |
| 124 | +console.log(` Output: ${config.outputDir}`); |
| 125 | + |
| 126 | +if (errorCount > 0) { |
| 127 | + process.exit(1); |
| 128 | +} |
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