2020-07-23 14:36:40

history.md

 # 历史记录
 
+v1.1.0 2020.7.23
+
++   在 HTML 文件名称左侧填充 0，使其对齐
+
 v1.0.0 2020.4.30
 
 +   正式发布
\ No newline at end of file

package.json

 {
   "name": "gen-epub",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "A small tool to generate EPUB.",
   "main": "src/index.js",
   "scripts": {

src/index.js

@@ -15,6 +15,11 @@ function fnameEscape(name){
     return name.replace(/\\|\/|:|\*|\?|"|<|>|\|/g, '-')
 }
 
+function calcDigitCount(l) {
+    
+    return (l == 0)? 1: Math.floor(Math.log10(l)) + 1
+}
+
 function writeEpub(articles, imgs, name, path) {
     
     name = name || articles[0].title
@@ -33,9 +38,11 @@ function writeEpub(articles, imgs, name, path) {
     zip.file('META-INF/container.xml', container);
     zip.file('OEBPS/Styles/Style.css', style);
     
+    var l = calcDigitCount(articles.length)
     articleTemp = ejs.compile(articleTemp)
     for(var [i, art] of articles.entries()) {
-        zip.file(`OEBPS/Text/${+i+1}.html`, articleTemp(art));
+        var padNum = i.toString().padStart(l, '0')
+        zip.file(`OEBPS/Text/${padNum}.html`, articleTemp(art));
     }
     
     for(var [fname, data] of imgs.entries()) {
@@ -45,7 +52,7 @@ function writeEpub(articles, imgs, name, path) {
     var uuid_ = uuid.v4();
     var htmlToc = articles.map((art, i) => ({
             title: art.title,
-            file: `${+i+1}.html`,
+            file: i.toString().padStart(l, '0') + '.html',
     }))
     var imgToc = Array.from(imgs.keys())
         .map(fname => ({file: fname}))