Feat：新增数学公式插件

2026-02-21 10:27:44 +08:00 · 2023-09-22 16:11:33 +08:00 · 2023-09-22 16:11:33 +08:00 · 11ea7d452c
commit 11ea7d452c
parent 518b7642a0
5 changed files with 337 additions and 31 deletions
--- a/simple-mind-map/full.js
+++ b/simple-mind-map/full.js
@ -14,6 +14,7 @@ import TouchEvent from './src/plugins/TouchEvent.js'
 import Search from './src/plugins/Search.js'
 import Painter from './src/plugins/Painter.js'
 import Scrollbar from './src/plugins/Scrollbar.js'
+import Formula from './src/plugins/Formula.js'
 import xmind from './src/parse/xmind.js'
 import markdown from './src/parse/markdown.js'
 import icons from './src/svg/icons.js'
@ -43,5 +44,6 @@ MindMap.usePlugin(MiniMap)
  .usePlugin(Search)
  .usePlugin(Painter)
  .usePlugin(Scrollbar)
+  .usePlugin(Formula)

 export default MindMap
--- a/simple-mind-map/package-lock.json
+++ b/simple-mind-map/package-lock.json
@ -1,11 +1,11 @@
 {
  "name": "simple-mind-map",
-  "version": "0.6.15-fix.2",
+  "version": "0.7.1-fix.2",
  "lockfileVersion": 2,
  "requires": true,
  "packages": {
    "": {
-      "version": "0.6.15-fix.2",
+      "version": "0.7.1-fix.2",
      "license": "MIT",
      "dependencies": {
        "@svgdotjs/svg.js": "^3.0.16",
@ -13,8 +13,10 @@
        "eventemitter3": "^4.0.7",
        "jspdf": "^2.5.1",
        "jszip": "^3.10.1",
+        "katex": "^0.16.8",
        "mdast-util-from-markdown": "^1.3.0",
        "quill": "^1.3.6",
+        "tern": "^0.24.3",
        "uuid": "^9.0.0",
        "xml-js": "^1.6.11"
      },
@ -187,6 +189,36 @@
        "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
      }
    },
+    "node_modules/acorn-loose": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/acorn-loose/-/acorn-loose-6.1.0.tgz",
+      "integrity": "sha512-FHhXoiF0Uch3IqsrnPpWwCtiv5PYvipTpT1k9lDMgQVVYc9iDuSl5zdJV358aI8twfHCYMFBRVYvAVki9wC/ng==",
+      "dependencies": {
+        "acorn": "^6.2.0"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/acorn-loose/node_modules/acorn": {
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/acorn-walk": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.2.0.tgz",
+      "integrity": "sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
    "node_modules/ajv": {
      "version": "6.12.6",
      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
@ -247,8 +279,7 @@
    "node_modules/balanced-match": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
-      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
-      "dev": true
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
    },
    "node_modules/base64-arraybuffer": {
      "version": "1.0.2",
@ -263,7 +294,6 @@
      "version": "1.1.11",
      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
-      "dev": true,
      "dependencies": {
        "balanced-match": "^1.0.0",
        "concat-map": "0.0.1"
@ -371,11 +401,18 @@
      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
      "dev": true
    },
+    "node_modules/commander": {
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-8.3.0.tgz",
+      "integrity": "sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww==",
+      "engines": {
+        "node": ">= 12"
+      }
+    },
    "node_modules/concat-map": {
      "version": "0.0.1",
      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
-      "dev": true
+      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg=="
    },
    "node_modules/core-js": {
      "version": "3.27.1",
@ -523,6 +560,31 @@
      "integrity": "sha512-ewwFzHzrrneRjxzmK6oVz/rZn9VWspGFRDb4/rRtIsM1n36t9AKma/ye8syCpcw+XJ25kOK/hOG7t1j2I2yBqA==",
      "optional": true
    },
+    "node_modules/enhanced-resolve": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-2.3.0.tgz",
+      "integrity": "sha512-n6e4bsCpzsP0OB76X+vEWhySUQI8GHPVFVK+3QkX35tbryy2WoeGeK5kQ+oxzgDVHjIZyz5fyS60Mi3EpQLc0Q==",
+      "dependencies": {
+        "graceful-fs": "^4.1.2",
+        "memory-fs": "^0.3.0",
+        "object-assign": "^4.0.1",
+        "tapable": "^0.2.3"
+      },
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/errno": {
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/errno/-/errno-0.1.8.tgz",
+      "integrity": "sha512-dJ6oBr5SQ1VSd9qkk7ByRgb/1SH4JZjCHSW/mr63/QcXO9zLVxvJ6Oy13nio03rxpSnVDDjFor75SjVeZWPW/A==",
+      "dependencies": {
+        "prr": "~1.0.1"
+      },
+      "bin": {
+        "errno": "cli.js"
+      }
+    },
    "node_modules/escape-string-regexp": {
      "version": "4.0.0",
      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz",
@ -796,8 +858,7 @@
    "node_modules/fs.realpath": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw==",
-      "dev": true
+      "integrity": "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw=="
    },
    "node_modules/function-bind": {
      "version": "1.1.1",
@ -829,7 +890,6 @@
      "version": "7.2.3",
      "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
      "integrity": "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==",
-      "dev": true,
      "dependencies": {
        "fs.realpath": "^1.0.0",
        "inflight": "^1.0.4",
@ -872,6 +932,11 @@
        "url": "https://github.com/sponsors/sindresorhus"
      }
    },
+    "node_modules/graceful-fs": {
+      "version": "4.2.11",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.11.tgz",
+      "integrity": "sha512-RbJ5/jmFcNNCcDV5o9eTnBLJ/HszWV0P73bc+Ff4nS/rJj+YaS6IGyiOL0VoBYX+l1Wrl3k63h/KrH+nhJ0XvQ=="
+    },
    "node_modules/grapheme-splitter": {
      "version": "1.0.4",
      "resolved": "https://registry.npmjs.org/grapheme-splitter/-/grapheme-splitter-1.0.4.tgz",
@ -990,7 +1055,6 @@
      "version": "1.0.6",
      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
      "integrity": "sha512-k92I/b08q4wvFscXCLvqfsHCrjrF7yiXsQuIVvVE7N82W3+aqpzuUdBbfhWcy/FZR3/4IgflMgKLOsvPDrGCJA==",
-      "dev": true,
      "dependencies": {
        "once": "^1.3.0",
        "wrappy": "1"
@ -1148,6 +1212,21 @@
        "setimmediate": "^1.0.5"
      }
    },
+    "node_modules/katex": {
+      "version": "0.16.8",
+      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.8.tgz",
+      "integrity": "sha512-ftuDnJbcbOckGY11OO+zg3OofESlbR5DRl2cmN8HeWeeFIV7wTXvAOx8kEjZjobhA+9wh2fbKeO6cdcA9Mnovg==",
+      "funding": [
+        "https://opencollective.com/katex",
+        "https://github.com/sponsors/katex"
+      ],
+      "dependencies": {
+        "commander": "^8.3.0"
+      },
+      "bin": {
+        "katex": "cli.js"
+      }
+    },
    "node_modules/kleur": {
      "version": "4.1.5",
      "resolved": "https://registry.npmjs.org/kleur/-/kleur-4.1.5.tgz",
@ -1233,6 +1312,15 @@
        "url": "https://opencollective.com/unified"
      }
    },
+    "node_modules/memory-fs": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/memory-fs/-/memory-fs-0.3.0.tgz",
+      "integrity": "sha512-QTNXnl79X97kZ9jJk/meJrtDuvgvRakX5LU7HZW1L7MsXHuSTwoMIzN9tOLLH3Xfsj/gbsSqX/ovnsqz246zKQ==",
+      "dependencies": {
+        "errno": "^0.1.3",
+        "readable-stream": "^2.0.1"
+      }
+    },
    "node_modules/micromark": {
      "version": "3.1.0",
      "resolved": "https://registry.npmjs.org/micromark/-/micromark-3.1.0.tgz",
@ -1659,7 +1747,6 @@
      "version": "3.1.2",
      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
-      "dev": true,
      "dependencies": {
        "brace-expansion": "^1.1.7"
      },
@ -1686,6 +1773,14 @@
      "integrity": "sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==",
      "dev": true
    },
+    "node_modules/object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
    "node_modules/object-is": {
      "version": "1.1.5",
      "resolved": "https://registry.npmjs.org/object-is/-/object-is-1.1.5.tgz",
@ -1713,7 +1808,6 @@
      "version": "1.4.0",
      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
      "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==",
-      "dev": true,
      "dependencies": {
        "wrappy": "1"
      }
@ -1800,7 +1894,6 @@
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
      "integrity": "sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==",
-      "dev": true,
      "engines": {
        "node": ">=0.10.0"
      }
@ -1849,6 +1942,11 @@
      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
    },
+    "node_modules/prr": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/prr/-/prr-1.0.1.tgz",
+      "integrity": "sha512-yPw4Sng1gWghHQWj0B3ZggWUm4qVbPwPFcRG8KyxiU7J2OHFSoEHKS+EZ3fv5l1t9CyCiop6l/ZYeWbrgoQejw=="
+    },
    "node_modules/punycode": {
      "version": "2.1.1",
      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
@ -2140,6 +2238,50 @@
        "node": ">=12.0.0"
      }
    },
+    "node_modules/tapable": {
+      "version": "0.2.9",
+      "resolved": "https://registry.npmjs.org/tapable/-/tapable-0.2.9.tgz",
+      "integrity": "sha512-2wsvQ+4GwBvLPLWsNfLCDYGsW6xb7aeC6utq2Qh0PFwgEy7K7dsma9Jsmb2zSQj7GvYAyUGSntLtsv++GmgL1A==",
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/tern": {
+      "version": "0.24.3",
+      "resolved": "https://registry.npmjs.org/tern/-/tern-0.24.3.tgz",
+      "integrity": "sha512-Z8uvtdWIlFn1GWy0HW5FhZ8VDryZwoJUdnjZU25C7/PBOltLIn1uv+WF3rVq6S1761YbsmbZYRP/l0ZJBCkvrw==",
+      "dependencies": {
+        "acorn": "^6.0.0",
+        "acorn-loose": "^6.0.0",
+        "acorn-walk": "^6.0.0",
+        "enhanced-resolve": "^2.2.2",
+        "glob": "^7.1.1",
+        "minimatch": "^3.0.3",
+        "resolve-from": "2.0.0"
+      },
+      "bin": {
+        "tern": "bin/tern"
+      }
+    },
+    "node_modules/tern/node_modules/acorn": {
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/tern/node_modules/resolve-from": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
+      "integrity": "sha512-qpFcKaXsq8+oRoLilkwyc7zHGF5i9Q2/25NIgLQQ/+VVv9rU4qvr6nXVAw1DsnXJyQkZsR4Ytfbtg5ehfcUssQ==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
    "node_modules/text-segmentation": {
      "version": "1.0.3",
      "resolved": "https://registry.npmjs.org/text-segmentation/-/text-segmentation-1.0.3.tgz",
@ -2266,8 +2408,7 @@
    "node_modules/wrappy": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
-      "dev": true
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
    },
    "node_modules/xml-js": {
      "version": "1.6.11",
@ -2418,6 +2559,26 @@
      "dev": true,
      "requires": {}
    },
+    "acorn-loose": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/acorn-loose/-/acorn-loose-6.1.0.tgz",
+      "integrity": "sha512-FHhXoiF0Uch3IqsrnPpWwCtiv5PYvipTpT1k9lDMgQVVYc9iDuSl5zdJV358aI8twfHCYMFBRVYvAVki9wC/ng==",
+      "requires": {
+        "acorn": "^6.2.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "6.4.2",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+          "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ=="
+        }
+      }
+    },
+    "acorn-walk": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.2.0.tgz",
+      "integrity": "sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA=="
+    },
    "ajv": {
      "version": "6.12.6",
      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
@ -2459,8 +2620,7 @@
    "balanced-match": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
-      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
-      "dev": true
+      "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
    },
    "base64-arraybuffer": {
      "version": "1.0.2",
@ -2472,7 +2632,6 @@
      "version": "1.1.11",
      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
-      "dev": true,
      "requires": {
        "balanced-match": "^1.0.0",
        "concat-map": "0.0.1"
@ -2549,11 +2708,15 @@
      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
      "dev": true
    },
+    "commander": {
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-8.3.0.tgz",
+      "integrity": "sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww=="
+    },
    "concat-map": {
      "version": "0.0.1",
      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
-      "dev": true
+      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg=="
    },
    "core-js": {
      "version": "3.27.1",
@ -2660,6 +2823,25 @@
      "integrity": "sha512-ewwFzHzrrneRjxzmK6oVz/rZn9VWspGFRDb4/rRtIsM1n36t9AKma/ye8syCpcw+XJ25kOK/hOG7t1j2I2yBqA==",
      "optional": true
    },
+    "enhanced-resolve": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-2.3.0.tgz",
+      "integrity": "sha512-n6e4bsCpzsP0OB76X+vEWhySUQI8GHPVFVK+3QkX35tbryy2WoeGeK5kQ+oxzgDVHjIZyz5fyS60Mi3EpQLc0Q==",
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "memory-fs": "^0.3.0",
+        "object-assign": "^4.0.1",
+        "tapable": "^0.2.3"
+      }
+    },
+    "errno": {
+      "version": "0.1.8",
+      "resolved": "https://registry.npmjs.org/errno/-/errno-0.1.8.tgz",
+      "integrity": "sha512-dJ6oBr5SQ1VSd9qkk7ByRgb/1SH4JZjCHSW/mr63/QcXO9zLVxvJ6Oy13nio03rxpSnVDDjFor75SjVeZWPW/A==",
+      "requires": {
+        "prr": "~1.0.1"
+      }
+    },
    "escape-string-regexp": {
      "version": "4.0.0",
      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz",
@ -2872,8 +3054,7 @@
    "fs.realpath": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
-      "integrity": "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw==",
-      "dev": true
+      "integrity": "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw=="
    },
    "function-bind": {
      "version": "1.1.1",
@ -2899,7 +3080,6 @@
      "version": "7.2.3",
      "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
      "integrity": "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==",
-      "dev": true,
      "requires": {
        "fs.realpath": "^1.0.0",
        "inflight": "^1.0.4",
@ -2927,6 +3107,11 @@
        "type-fest": "^0.20.2"
      }
    },
+    "graceful-fs": {
+      "version": "4.2.11",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.11.tgz",
+      "integrity": "sha512-RbJ5/jmFcNNCcDV5o9eTnBLJ/HszWV0P73bc+Ff4nS/rJj+YaS6IGyiOL0VoBYX+l1Wrl3k63h/KrH+nhJ0XvQ=="
+    },
    "grapheme-splitter": {
      "version": "1.0.4",
      "resolved": "https://registry.npmjs.org/grapheme-splitter/-/grapheme-splitter-1.0.4.tgz",
@ -3009,7 +3194,6 @@
      "version": "1.0.6",
      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
      "integrity": "sha512-k92I/b08q4wvFscXCLvqfsHCrjrF7yiXsQuIVvVE7N82W3+aqpzuUdBbfhWcy/FZR3/4IgflMgKLOsvPDrGCJA==",
-      "dev": true,
      "requires": {
        "once": "^1.3.0",
        "wrappy": "1"
@ -3131,6 +3315,14 @@
        "setimmediate": "^1.0.5"
      }
    },
+    "katex": {
+      "version": "0.16.8",
+      "resolved": "https://registry.npmjs.org/katex/-/katex-0.16.8.tgz",
+      "integrity": "sha512-ftuDnJbcbOckGY11OO+zg3OofESlbR5DRl2cmN8HeWeeFIV7wTXvAOx8kEjZjobhA+9wh2fbKeO6cdcA9Mnovg==",
+      "requires": {
+        "commander": "^8.3.0"
+      }
+    },
    "kleur": {
      "version": "4.1.5",
      "resolved": "https://registry.npmjs.org/kleur/-/kleur-4.1.5.tgz",
@ -3196,6 +3388,15 @@
        "@types/mdast": "^3.0.0"
      }
    },
+    "memory-fs": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/memory-fs/-/memory-fs-0.3.0.tgz",
+      "integrity": "sha512-QTNXnl79X97kZ9jJk/meJrtDuvgvRakX5LU7HZW1L7MsXHuSTwoMIzN9tOLLH3Xfsj/gbsSqX/ovnsqz246zKQ==",
+      "requires": {
+        "errno": "^0.1.3",
+        "readable-stream": "^2.0.1"
+      }
+    },
    "micromark": {
      "version": "3.1.0",
      "resolved": "https://registry.npmjs.org/micromark/-/micromark-3.1.0.tgz",
@ -3412,7 +3613,6 @@
      "version": "3.1.2",
      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
-      "dev": true,
      "requires": {
        "brace-expansion": "^1.1.7"
      }
@ -3433,6 +3633,11 @@
      "integrity": "sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==",
      "dev": true
    },
+    "object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="
+    },
    "object-is": {
      "version": "1.1.5",
      "resolved": "https://registry.npmjs.org/object-is/-/object-is-1.1.5.tgz",
@ -3451,7 +3656,6 @@
      "version": "1.4.0",
      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
      "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==",
-      "dev": true,
      "requires": {
        "wrappy": "1"
      }
@ -3516,8 +3720,7 @@
    "path-is-absolute": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
-      "integrity": "sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==",
-      "dev": true
+      "integrity": "sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg=="
    },
    "path-key": {
      "version": "3.1.1",
@ -3548,6 +3751,11 @@
      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
    },
+    "prr": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/prr/-/prr-1.0.1.tgz",
+      "integrity": "sha512-yPw4Sng1gWghHQWj0B3ZggWUm4qVbPwPFcRG8KyxiU7J2OHFSoEHKS+EZ3fv5l1t9CyCiop6l/ZYeWbrgoQejw=="
+    },
    "punycode": {
      "version": "2.1.1",
      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
@ -3752,6 +3960,37 @@
      "integrity": "sha512-qsjeeq5YjBZ5eMdFuUa4ZosMLxgr5RZ+F+Y1OrDhuOCEInRMA3x74XdBtggJcj9kOeInz0WE+LgCPDkZFlBYJw==",
      "optional": true
    },
+    "tapable": {
+      "version": "0.2.9",
+      "resolved": "https://registry.npmjs.org/tapable/-/tapable-0.2.9.tgz",
+      "integrity": "sha512-2wsvQ+4GwBvLPLWsNfLCDYGsW6xb7aeC6utq2Qh0PFwgEy7K7dsma9Jsmb2zSQj7GvYAyUGSntLtsv++GmgL1A=="
+    },
+    "tern": {
+      "version": "0.24.3",
+      "resolved": "https://registry.npmjs.org/tern/-/tern-0.24.3.tgz",
+      "integrity": "sha512-Z8uvtdWIlFn1GWy0HW5FhZ8VDryZwoJUdnjZU25C7/PBOltLIn1uv+WF3rVq6S1761YbsmbZYRP/l0ZJBCkvrw==",
+      "requires": {
+        "acorn": "^6.0.0",
+        "acorn-loose": "^6.0.0",
+        "acorn-walk": "^6.0.0",
+        "enhanced-resolve": "^2.2.2",
+        "glob": "^7.1.1",
+        "minimatch": "^3.0.3",
+        "resolve-from": "2.0.0"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "6.4.2",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+          "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ=="
+        },
+        "resolve-from": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-2.0.0.tgz",
+          "integrity": "sha512-qpFcKaXsq8+oRoLilkwyc7zHGF5i9Q2/25NIgLQQ/+VVv9rU4qvr6nXVAw1DsnXJyQkZsR4Ytfbtg5ehfcUssQ=="
+        }
+      }
+    },
    "text-segmentation": {
      "version": "1.0.3",
      "resolved": "https://registry.npmjs.org/text-segmentation/-/text-segmentation-1.0.3.tgz",
@ -3847,8 +4086,7 @@
    "wrappy": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
-      "dev": true
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="
    },
    "xml-js": {
      "version": "1.6.11",
--- a/simple-mind-map/package.json
+++ b/simple-mind-map/package.json
@ -31,6 +31,7 @@
    "eventemitter3": "^4.0.7",
    "jspdf": "^2.5.1",
    "jszip": "^3.10.1",
+    "katex": "^0.16.8",
    "mdast-util-from-markdown": "^1.3.0",
    "quill": "^1.3.6",
    "tern": "^0.24.3",
--- a/simple-mind-map/src/core/render/Render.js
+++ b/simple-mind-map/src/core/render/Render.js
@ -215,6 +215,9 @@ class Render {
    // 设置节点标签
    this.setNodeTag = this.setNodeTag.bind(this)
    this.mindMap.command.add('SET_NODE_TAG', this.setNodeTag)
+    // 设置节点公式
+    this.insertFormula = this.insertFormula.bind(this)
+    this.mindMap.command.add('INSERT_FORMULA', this.insertFormula)
    // 添加节点概要
    this.addGeneralization = this.addGeneralization.bind(this)
    this.mindMap.command.add('ADD_GENERALIZATION', this.addGeneralization)
@ -1278,6 +1281,15 @@ class Render {
    })
  }

+  // 设置节点公式
+  insertFormula(formula) {
+    // 只在富文本模式下可用，并且需要注册Formula插件
+    if (!this.mindMap.richText || !this.mindMap.formula) return
+    this.activeNodeList.forEach(node => {
+      this.mindMap.formula.insertFormulaToNode(node, formula)
+    })
+  }
+
  //  添加节点概要
  addGeneralization(data) {
    if (this.activeNodeList.length <= 0) {
--- a/simple-mind-map/src/plugins/Formula.js
+++ b/simple-mind-map/src/plugins/Formula.js
@ -0,0 +1,53 @@
+import katex from 'katex'
+import Quill from 'quill'
+
+// 数学公式支持插件
+// 该插件在富文本模式下可用
+class Formula {
+  //  构造函数
+  constructor(opt) {
+    this.opt = opt
+    this.mindMap = opt.mindMap
+    window.katex = katex
+    this.extendQuill()
+  }
+
+  // 修改formula格式工具
+  extendQuill() {
+    const QuillFormula = Quill.import('formats/formula')
+
+    class CustomFormulaBlot extends QuillFormula {
+      static create(value) {
+        let node = super.create(value)
+        if (typeof value === 'string') {
+          katex.render(value, node, {
+            throwOnError: false,
+            errorColor: '#f00',
+            output: 'mathml' // 增加该配置，默认只输出公式
+          })
+          node.setAttribute('data-value', value)
+        }
+        return node
+      }
+    }
+
+    Quill.register('formats/formula', CustomFormulaBlot, true)
+  }
+
+  // 给指定的节点插入指定公式
+  insertFormulaToNode(node, formula) {
+    let richTextPlugin = this.mindMap.richText
+    richTextPlugin.showEditText(node)
+    richTextPlugin.quill.insertEmbed(
+      richTextPlugin.quill.getLength() - 1,
+      'formula',
+      formula
+    )
+    richTextPlugin.setTextStyleIfNotRichText(richTextPlugin.node)
+    richTextPlugin.hideEditText([node])
+  }
+}
+
+Formula.instanceName = 'formula'
+
+export default Formula