generate epub files

Signed-off-by: Xe Iaso <me@xeiaso.net>
2023-04-14 19:07:27 -04:00 · 2023-04-14 19:07:27 -04:00 · 7a08d39f32
commit 7a08d39f32
parent 4e0ce8b2fa
4 changed files with 67 additions and 21 deletions
--- a/index.ts
+++ b/index.ts
@ -1,11 +1,12 @@
 import { Command } from "commander";
 import * as dotenv from "dotenv";
 import { Configuration, OpenAIApi } from "openai";
-import PlotGenerator, { Plot } from "@xeserv/plottoriffic";
+import { Plot } from "@xeserv/plottoriffic";
 import { generateName } from "@kotofurumiya/th-namegen";
 import * as fs from "node:fs/promises";
 import { existsSync as fileExists } from "fs";
 import { readPackage } from "read-pkg";
+import { execa } from "execa";

 import * as book from "./book.js";

@ -179,4 +180,44 @@ program
    await fs.writeFile(`${dir}/fnames.json`, JSON.stringify(fnames, undefined, "  "));
  });

+program
+  .command("buildEbook <dir>")
+  .description("generate the .epub file for the novel")
+  .action(async (dir) => {
+    if (!fileExists(dir)) {
+      console.error(`${dir} does not exist, run init?`);
+      process.exit(1);
+    }
+    if (!fileExists(`${dir}/summary.json`)) {
+      console.error(`plot summary does not exist in ${dir}, run genSummary?`);
+      process.exit(1);
+    }
+    if (!fileExists(`${dir}/fnames.json`)) {
+      console.error(`file name list doesn't exist in ${dir}, run writeScenes?`);
+      process.exit(1);
+    }
+
+    const summary: book.Summary = JSON.parse(await fs.readFile(`${dir}/summary.json`, "utf8"));
+    const fnames: string[] = JSON.parse(await fs.readFile(`${dir}/fnames.json`, "utf8"));
+
+    await fs.writeFile(
+      `${dir}/src/title.txt`,
+      `---
+title: "${summary.title}"
+author: Midori Yasomi
+rights: All rights reserved
+language: en-US
+---
+`
+    );
+
+    await fs.writeFile(`${dir}/src/aboutAuthor.txt`, "---\n\n" + book.authorBio);
+
+    let args = ["-o", `${dir}/ebook.epub`, "--to", "epub", `${dir}/src/title.txt`];
+    args = args.concat(fnames.map((fname) => `${dir}/src/${fname}`));
+    args = args.concat([`${dir}/src/aboutAuthor.txt`]);
+
+    console.log(await execa("pandoc", args));
+  });
+
 program.parse();
--- a/package-lock.json
+++ b/package-lock.json
@ -13,6 +13,7 @@
        "@xeserv/plottoriffic": "^2.2.0",
        "commander": "^10.0.0",
        "dotenv": "^16.0.3",
+        "execa": "^7.1.1",
        "openai": "^3.2.1",
        "read-pkg": "^8.0.0"
      },
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-      "dev": true,
      "dependencies": {
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        "shebang-command": "^2.0.0",
@ -625,7 +625,6 @@
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-      "dev": true,
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        "get-stream": "^6.0.1",
@ -751,7 +750,6 @@
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-      "dev": true,
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@ -857,7 +855,6 @@
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-      "dev": true,
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@ -982,7 +979,6 @@
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-      "dev": true,
      "engines": {
        "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
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@ -1005,8 +1001,7 @@
    "node_modules/isexe": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
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-      "dev": true
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    },
    "node_modules/js-tokens": {
      "version": "4.0.0",
@ -1240,8 +1235,7 @@
    "node_modules/merge-stream": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
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-      "dev": true
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@ -1279,7 +1273,6 @@
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@ -1545,7 +1535,6 @@
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@ -1762,7 +1751,6 @@
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-      "dev": true,
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@ -1774,7 +1762,6 @@
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-      "dev": true,
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        "node": ">=8"
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@ -1782,8 +1769,7 @@
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-      "dev": true
+      "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ=="
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@ -1892,7 +1878,6 @@
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-      "dev": true,
      "engines": {
        "node": ">=12"
      },
@ -1989,7 +1974,6 @@
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      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
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-      "dev": true,
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--- a/package.json
+++ b/package.json
@ -32,6 +32,7 @@
    "@xeserv/plottoriffic": "^2.2.0",
    "commander": "^10.0.0",
    "dotenv": "^16.0.3",
+    "execa": "^7.1.1",
    "openai": "^3.2.1",
    "read-pkg": "^8.0.0"
  },
--- a/wordcount.lua
+++ b/wordcount.lua
@ -0,0 +1,20 @@
+-- counts words in a document
+-- from https://pandoc.org/lua-filters.html#examples
+
+words = 0
+
+wordcount = {
+  Str = function(el)
+    -- we don't count a word if it's entirely punctuation:
+    if el.text:match("%P") then
+      words = words + 1
+    end
+  end
+}
+
+function Pandoc(el)
+  -- skip metadata, just count body:
+  pandoc.walk_block(pandoc.Div(el.blocks), wordcount)
+  print(words .. " words in body")
+  os.exit(0)
+end