Fix sometimes not being able to detect email body

2 years ago · 9ad7f1ecbc
parent 707d031986
commit 9ad7f1ecbc
3 changed files with 587 additions and 24 deletions
--- a/mail-to-pdf.mjs
+++ b/mail-to-pdf.mjs
@ -1,4 +1,4 @@
-#!/usr/bin/zx --quiet
+#!/usr/bin/zx

 var elparser = require("elparser");
 import { resolve, basename } from "path";
@ -6,6 +6,7 @@ import { resolve, basename } from "path";
 const pwd = (await $`pwd`).stdout.replace("\n", "");

 const sexpr = require("sexpr-plus").parse;
+const simpleParser = require("mailparser").simpleParser;

 $`echo $PWD`;

@ -25,6 +26,8 @@ function parse_mail(sexp_string) {
  return result;
 }

+const parsed = await simpleParser((await $`cat ${path}`).stdout);
+
 const mail_obj = parse_mail(mail_body);

 let html =
@ -35,7 +38,9 @@ let html =
          <meta charset="utf-8" />
        </head>
        <body>
-          <pre style="white-space: pre-wrap">${mail_obj["body-txt"]}</pre>
+          <pre style="white-space: pre-wrap">
+${mail_obj["body-txt"] || parsed.text}</pre
+          >
        </body>
      </html>`;

@ -44,7 +49,7 @@ if (!html.includes("<body")) {
      <meta charset="utf-8" />
    </head>
    <body>
-      ${html}
+      ${html || parsed.html || parsed.text}
    </body>`;
 }

@ -76,7 +81,9 @@ async function emacsEval(expr) {
 }

 async function getSimpleHeader(body_sexp, header_name) {
-  return await emacsEval(`(plist-get '${body_sexp} ':${header_name})`);
+  const result = await emacsEval(`(plist-get '${body_sexp} ':${header_name})`);
+  console.log("getsimpleheader", header_name, result);
+  return result;
 }

 async function formatAddress(sexp) {
@ -156,27 +163,29 @@ const subject = (await getSimpleHeader(mail_body, "subject")).slice(1, -1); // s
 const from = await formatAddress(await getSimpleHeader(mail_body, "from"));
 const to = await formatAddress(await getSimpleHeader(mail_body, "to"));
 const date = await formatDate(await getSimpleHeader(mail_body, "date"));
-const parts = elparser
-  .parse1(`'${await getSimpleHeader(mail_body, "parts")}`)
-  .qsexp.list.map((entry) =>
-    Object.fromEntries(
-      entry.list.map((value, index, array) => {
-        if (index % 2 == 0) {
-          const key = array[index].symbol.slice(1);
-          let value = array[index + 1];
-          for (const subkey of ["string", "symbol"]) {
-            if (value[subkey] !== undefined) {
-              value = value[subkey];
+
+const parts =
+  elparser
+    .parse1(`'${await getSimpleHeader(mail_body, "parts")}`)
+    ?.qsexp?.list?.map((entry) =>
+      Object.fromEntries(
+        entry.list.map((value, index, array) => {
+          if (index % 2 == 0) {
+            const key = array[index].symbol.slice(1);
+            let value = array[index + 1];
+            for (const subkey of ["string", "symbol"]) {
+              if (value[subkey] !== undefined) {
+                value = value[subkey];
+              }
            }
-          }
-          if (value.type && value.type?.type === "int") {
-            value = parseInt(value.val);
-          }
-          return [key, value];
-        } else return [];
-      })
-    )
-  );
+            if (value.type && value.type?.type === "int") {
+              value = parseInt(value.val);
+            }
+            return [key, value];
+          } else return [];
+        })
+      )
+    ) || [];

 const inline_attachments = parts.filter((e) => e.cid !== undefined);

--- a/package-lock.json
+++ b/package-lock.json
@ -10,30 +10,583 @@
      "license": "ISC",
      "dependencies": {
        "elparser": "^0.0.9",
+        "mailparser": "^3.5.0",
        "sexpr-plus": "^7.0.0"
      }
    },
+    "node_modules/@selderee/plugin-htmlparser2": {
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+      "dependencies": {
+        "domhandler": "^4.2.0",
+        "selderee": "^0.6.0"
+      },
+      "funding": {
+        "url": "https://ko-fi.com/killymxi"
+      }
+    },
+    "node_modules/commander": {
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+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
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+    },
+    "node_modules/deepmerge": {
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+      "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-4.2.2.tgz",
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 }
--- a/package.json
+++ b/package.json
@ -14,6 +14,7 @@
  "license": "ISC",
  "dependencies": {
    "elparser": "^0.0.9",
+    "mailparser": "^3.5.0",
    "sexpr-plus": "^7.0.0"
  }
 }