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update mkslides

README.md

@@ -21,25 +21,32 @@ Thanks to both of them for their open source contributions.
 ### Use MkSlides
 
 ```python
-mkslides build docs/demo-mkslides.md
+mkslides build docs/demo.md
+mkslides build docs/
 ```
 
 
 
+#### preprocessing
+
+Just turn on the switch of  `preproc.py` in `mkslides.yml`.
+
+
+
 ### Use reveal-md
 
 ```bash
-reveal-md docs/demo-mkslides.md --static _site
+reveal-md docs/demo.md --static _site
 ```
 
 
 
 #### preprocessing
 
-Compare the difference between `demo-preprocessing.md` and `demo-mkslides.md`.
+You need to add the path of `preproc.js` to the build command.
 
 ```bash
-reveal-md --preprocessor preproc.js docs/demo-preprocessing.md --static _site
+reveal-md --preprocessor preproc.js docs/demo.md --static _site
 ```
 
 
@@ -48,21 +55,21 @@ reveal-md --preprocessor preproc.js docs/demo-preprocessing.md --static _site
 
 ```bash
 .
-├── _site    # reveal-md static site generated after a build, it is regenerated every time it is built.
-├── site     # MkSlides static site generated after a build, it is regenerated every time it is built.
-├── docs                   # markdown document directory
-│   ├── demo-mkslides.md
-│   └── demo-preprocessing.md
+├── _site          # reveal-md static site generated after a build
+├── site           # MkSlides static site generated after a build
+├── docs                   # markdown document
+│   └── demo.md
 ├── plugin                 # plugin directory
 │   ├── reveal.js-menu
 │   │   └──menu.js
-│   ├── other-plugin
-│   │   └──other-plugin.js
-│   └── plugin.js          # for reveal-md
-├── reveal-md.json         # for reveal-md
-├── reveal.json            # for reveal-md
-├── preproc.js
-└── mkslides.yml           # for MkSlides
+│   └── other-plugin
+│       └──other-plugin.js
+├── plugin.js            # for reveal-md
+├── preproc.js           # for reveal-md
+├── reveal-md.json       # for reveal-md
+├── reveal.json          # for reveal-md
+├── preproc.py     # for MkSlides
+└── mkslides.yml   # for MkSlides
 ```
 
 

mkslides.yml

@@ -7,7 +7,8 @@ slides:
   separator: ^\s*<!--h-->\s*$
   separator_vertical: ^\s*<!--v-->\s*$
   separator_notes: "^Notes?:"
-  separator_charset: utf-8
+  charset: utf-8
+  preprocess_script: preproc.py    # Auto-generate slides based on headings, no more need to manually add separators.
 
 revealjs:
   width: 1280
@@ -16,6 +17,7 @@ revealjs:
   navigationMode: linear    # default、linear、grid
   slideNumber: c/t          # true、false、h.v、h/v、c、c/t
   showSlideNumber: speaker  # all、print、speaker
+  pdfSeparateFragments: false
 
   # Setting up tags to ignore for katex typesetting math formulas
   katex:

plugin.js

@@ -0,0 +1,6 @@
+options.plugins.push(
+    RevealMermaid,
+    RevealPlantUML,
+    RevealMenu,
+    RevealChart
+);

preproc.js

@@ -4,27 +4,26 @@
   1-2 level headings, add horizontal page break: <!--h-->
   3-6 level headings, add vertical page break: <!--v-->
 
-  This is my own rules of use, relatively reasonable, have a good structure and logic, especially when showing the overview view of the slides, or when the slide table of contents, you can see the clear structure, if you don't like it, you can modify it as you like.
+  This is my own rules of use, have a good structure and logic, especially when showing the overview view of the slides, or when the slide table of contents, you can see the clear structure, if you don't like it, you can modify it as you like.
 */
 module.exports = (markdown, options) => {
   return new Promise((resolve, reject) => {
-    var first_time = true;
+    var firstHeadingFound = false;
     return resolve(
       markdown
       .split('\n')
       .map((line, index) => {
-        if (!/^#/.test(line) || index === 0)
-          return line;
 
-        if (first_time) {   //ignore the separator before the first heading
-          first_time = false;
-          return line;
+        const stripped = line.trimStart();
+        if (stripped.startsWith('#')) {
+            if (firstHeadingFound) {
+                return (stripped.split(' ')[0].length <= 2 ? '\n<!--h-->\n\n' + line : '\n<!--v-->\n\n' + line);
+            } else {
+                firstHeadingFound = true;
+            }
         }
+        return line;
 
-        if (/^\s*#{1,2}\s+/.test(line))
-          return '\n<!--h-->\n\n' + line;
-        else
-          return '\n<!--v-->\n\n' + line;
       })
       .join('\n')
     );

preproc.py

@@ -0,0 +1,23 @@
+'''
+    Preprocessing, automatically adding page breaks to headings:
+    1-2 level headings, add horizontal page break: <!--h-->
+    3-6 level headings, add vertical page break: <!--v-->
+
+    This is my own rules of use, have a good structure and logic, especially when showing the overview view of the slides, or when the slide table of contents, you can see the clear structure, if you don't like it, you can modify it as you like.
+'''
+
+def preprocess(markdown_text: str) -> str:
+    lines = markdown_text.split('\n')
+    result = []
+    first_heading_found = False
+
+    for index, line in enumerate(lines):
+        stripped = line.lstrip()
+        if stripped.startswith('#'):
+            if first_heading_found:
+                result.append('\n<!--h-->\n' if len(stripped.split()[0]) <= 2 else '\n<!--v-->\n')
+            else:
+                first_heading_found = True
+        result.append(line)
+
+    return '\n'.join(result)

reveal-md.json

@@ -9,6 +9,6 @@
         "plugin/reveal.js-menu/menu.js",
         "plugin/chart/chart.min.js",
         "plugin/chart/plugin.js",
-        "plugin/plugin.js"
+        "plugin.js"
     ]
 }