mirror of
https://github.com/mendableai/firecrawl.git
synced 2024-11-16 11:42:24 +08:00
feat: added go html to md parser
This commit is contained in:
rafaelsideguide
parent
11971da359
commit
48056ea1bd
29
apps/api/src/lib/__tests__/html-to-markdown.test.ts
Normal file
29
apps/api/src/lib/__tests__/html-to-markdown.test.ts
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@ -0,0 +1,29 @@
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import { parseMarkdown } from '../html-to-markdown';
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describe('parseMarkdown', () => {
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it('should correctly convert simple HTML to Markdown', async () => {
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const html = '<p>Hello, world!</p>';
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const expectedMarkdown = 'Hello, world!';
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await expect(parseMarkdown(html)).resolves.toBe(expectedMarkdown);
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});
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it('should convert complex HTML with nested elements to Markdown', async () => {
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const html = '<div><p>Hello <strong>bold</strong> world!</p><ul><li>List item</li></ul></div>';
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const expectedMarkdown = 'Hello **bold** world!\n\n- List item';
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await expect(parseMarkdown(html)).resolves.toBe(expectedMarkdown);
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});
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it('should return empty string when input is empty', async () => {
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const html = '';
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const expectedMarkdown = '';
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await expect(parseMarkdown(html)).resolves.toBe(expectedMarkdown);
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});
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it('should handle null input gracefully', async () => {
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const html = null;
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const expectedMarkdown = '';
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await expect(parseMarkdown(html)).resolves.toBe(expectedMarkdown);
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});
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});
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11
apps/api/src/lib/go-html-to-md/go.mod
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11
apps/api/src/lib/go-html-to-md/go.mod
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@ -0,0 +1,11 @@
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module html-to-markdown.go
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go 1.22.6
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require github.com/JohannesKaufmann/html-to-markdown v1.6.0
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require (
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github.com/PuerkitoBio/goquery v1.9.2 // indirect
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github.com/andybalholm/cascadia v1.3.2 // indirect
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golang.org/x/net v0.25.0 // indirect
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)
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81
apps/api/src/lib/go-html-to-md/go.sum
Normal file
81
apps/api/src/lib/go-html-to-md/go.sum
Normal file
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@ -0,0 +1,81 @@
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github.com/JohannesKaufmann/html-to-markdown v1.6.0 h1:04VXMiE50YYfCfLboJCLcgqF5x+rHJnb1ssNmqpLH/k=
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github.com/JohannesKaufmann/html-to-markdown v1.6.0/go.mod h1:NUI78lGg/a7vpEJTz/0uOcYMaibytE4BUOQS8k78yPQ=
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github.com/PuerkitoBio/goquery v1.9.2 h1:4/wZksC3KgkQw7SQgkKotmKljk0M6V8TUvA8Wb4yPeE=
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github.com/PuerkitoBio/goquery v1.9.2/go.mod h1:GHPCaP0ODyyxqcNoFGYlAprUFH81NuRPd0GX3Zu2Mvk=
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github.com/andybalholm/cascadia v1.3.2 h1:3Xi6Dw5lHF15JtdcmAHD3i1+T8plmv7BQ/nsViSLyss=
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github.com/andybalholm/cascadia v1.3.2/go.mod h1:7gtRlve5FxPPgIgX36uWBX58OdBsSS6lUvCFb+h7KvU=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
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github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
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github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/sebdah/goldie/v2 v2.5.3 h1:9ES/mNN+HNUbNWpVAlrzuZ7jE+Nrczbj8uFRjM7624Y=
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github.com/sebdah/goldie/v2 v2.5.3/go.mod h1:oZ9fp0+se1eapSRjfYbsV/0Hqhbuu3bJVvKI/NNtssI=
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github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
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github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
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github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
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github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
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github.com/yuin/goldmark v1.7.1 h1:3bajkSilaCbjdKVsKdZjZCLBNPL9pYzrCakKaf4U49U=
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github.com/yuin/goldmark v1.7.1/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
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golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M=
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golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
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golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
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golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
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golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
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golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
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golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
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golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
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golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
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golang.org/x/net v0.24.0/go.mod h1:2Q7sJY5mzlzWjKtYUEXSlBWCdyaioyXzRB2RtU8KVE8=
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golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac=
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golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
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golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
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golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
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golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
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golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
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golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
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golang.org/x/term v0.19.0/go.mod h1:2CuTdWZ7KHSQwUzKva0cbMg6q2DMI3Mmxp+gKJbskEk=
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golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
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golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
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golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
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golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
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golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
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golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
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golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
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golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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|
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
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|
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
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41
apps/api/src/lib/go-html-to-md/html-to-markdown.go
Normal file
41
apps/api/src/lib/go-html-to-md/html-to-markdown.go
Normal file
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@ -0,0 +1,41 @@
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package main
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import (
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"flag"
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"fmt"
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"log"
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"sync"
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md "github.com/JohannesKaufmann/html-to-markdown"
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"github.com/JohannesKaufmann/html-to-markdown/plugin"
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)
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func convertHTMLToMarkdown(html string, wg *sync.WaitGroup, results chan<- string) {
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defer wg.Done()
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converter := md.NewConverter("", true, nil)
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converter.Use(plugin.GitHubFlavored())
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markdown, err := converter.ConvertString(html)
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if err != nil {
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|
log.Fatal(err)
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|
}
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results <- markdown
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}
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|
func main() {
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html := flag.String("html", "", "")
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flag.Parse()
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var wg sync.WaitGroup
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results := make(chan string, 1)
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wg.Add(1)
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go convertHTMLToMarkdown(*html, &wg, results)
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|
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wg.Wait()
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close(results)
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|
for markdown := range results {
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fmt.Println(markdown)
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}
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}
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@ -1,74 +1,108 @@
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export async function parseMarkdown(html: string) {
|
import { spawn } from 'node:child_process';
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var TurndownService = require("turndown");
|
import { join } from 'node:path';
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var turndownPluginGfm = require('joplin-turndown-plugin-gfm')
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|
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|
|
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|
export async function parseMarkdown(html: string): Promise<string> {
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|
if (!html) {
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|
return '';
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|
}
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|
|
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|
if (process.env.USE_GO_MARKDOWN_PARSER == "true") {
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const goScriptPath = join(__dirname, 'go-html-to-md/html-to-markdown.go');
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const goModDir = join(__dirname, 'go-html-to-md');
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const child = spawn('go', ['run', goScriptPath, '--html', html], {
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|
cwd: goModDir,
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|
});
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return new Promise((resolve, reject) => {
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||||||
|
let data = '';
|
||||||
|
|
||||||
|
child.stdout.on('data', (chunk) => {
|
||||||
|
data += chunk.toString(); // Convert Buffer to string
|
||||||
|
});
|
||||||
|
|
||||||
|
child.stderr.on('data', (chunk) => {
|
||||||
|
reject(chunk.toString()); // Convert Buffer to string before rejecting
|
||||||
|
});
|
||||||
|
|
||||||
|
child.on('close', (code) => {
|
||||||
|
if (code === 0) {
|
||||||
|
resolve(data.trim());
|
||||||
|
} else {
|
||||||
|
reject(new Error(`Process exited with code ${code}`));
|
||||||
|
}
|
||||||
|
});
|
||||||
|
});
|
||||||
|
} else {
|
||||||
|
var TurndownService = require("turndown");
|
||||||
|
var turndownPluginGfm = require('joplin-turndown-plugin-gfm')
|
||||||
|
|
||||||
|
const turndownService = new TurndownService();
|
||||||
|
turndownService.addRule("inlineLink", {
|
||||||
|
filter: function (node, options) {
|
||||||
|
return (
|
||||||
|
options.linkStyle === "inlined" &&
|
||||||
|
node.nodeName === "A" &&
|
||||||
|
node.getAttribute("href")
|
||||||
|
);
|
||||||
|
},
|
||||||
|
replacement: function (content, node) {
|
||||||
|
var href = node.getAttribute("href").trim();
|
||||||
|
var title = node.title ? ' "' + node.title + '"' : "";
|
||||||
|
return "[" + content.trim() + "](" + href + title + ")\n";
|
||||||
|
},
|
||||||
|
});
|
||||||
|
var gfm = turndownPluginGfm.gfm;
|
||||||
|
turndownService.use(gfm);
|
||||||
|
let markdownContent = "";
|
||||||
|
const turndownPromise = new Promise<string>((resolve, reject) => {
|
||||||
|
try {
|
||||||
|
const result = turndownService.turndown(html);
|
||||||
|
resolve(result);
|
||||||
|
} catch (error) {
|
||||||
|
reject("Error converting HTML to Markdown: " + error);
|
||||||
|
}
|
||||||
|
});
|
||||||
|
|
||||||
|
const timeoutPromise = new Promise<string>((resolve, reject) => {
|
||||||
|
const timeout = 5000; // Timeout in milliseconds
|
||||||
|
setTimeout(() => reject("Conversion timed out after " + timeout + "ms"), timeout);
|
||||||
|
});
|
||||||
|
|
||||||
const turndownService = new TurndownService();
|
|
||||||
turndownService.addRule("inlineLink", {
|
|
||||||
filter: function (node, options) {
|
|
||||||
return (
|
|
||||||
options.linkStyle === "inlined" &&
|
|
||||||
node.nodeName === "A" &&
|
|
||||||
node.getAttribute("href")
|
|
||||||
);
|
|
||||||
},
|
|
||||||
replacement: function (content, node) {
|
|
||||||
var href = node.getAttribute("href").trim();
|
|
||||||
var title = node.title ? ' "' + node.title + '"' : "";
|
|
||||||
return "[" + content.trim() + "](" + href + title + ")\n";
|
|
||||||
},
|
|
||||||
});
|
|
||||||
var gfm = turndownPluginGfm.gfm;
|
|
||||||
turndownService.use(gfm);
|
|
||||||
let markdownContent = "";
|
|
||||||
const turndownPromise = new Promise<string>((resolve, reject) => {
|
|
||||||
try {
|
try {
|
||||||
const result = turndownService.turndown(html);
|
markdownContent = await Promise.race([turndownPromise, timeoutPromise]);
|
||||||
resolve(result);
|
|
||||||
} catch (error) {
|
} catch (error) {
|
||||||
reject("Error converting HTML to Markdown: " + error);
|
console.error(error);
|
||||||
|
return ""; // Optionally return an empty string or handle the error as needed
|
||||||
}
|
}
|
||||||
});
|
|
||||||
|
|
||||||
const timeoutPromise = new Promise<string>((resolve, reject) => {
|
// multiple line links
|
||||||
const timeout = 5000; // Timeout in milliseconds
|
let insideLinkContent = false;
|
||||||
setTimeout(() => reject("Conversion timed out after " + timeout + "ms"), timeout);
|
let newMarkdownContent = "";
|
||||||
});
|
let linkOpenCount = 0;
|
||||||
|
for (let i = 0; i < markdownContent.length; i++) {
|
||||||
|
const char = markdownContent[i];
|
||||||
|
|
||||||
try {
|
if (char == "[") {
|
||||||
markdownContent = await Promise.race([turndownPromise, timeoutPromise]);
|
linkOpenCount++;
|
||||||
} catch (error) {
|
} else if (char == "]") {
|
||||||
console.error(error);
|
linkOpenCount = Math.max(0, linkOpenCount - 1);
|
||||||
return ""; // Optionally return an empty string or handle the error as needed
|
}
|
||||||
|
insideLinkContent = linkOpenCount > 0;
|
||||||
|
|
||||||
|
if (insideLinkContent && char == "\n") {
|
||||||
|
newMarkdownContent += "\\" + "\n";
|
||||||
|
} else {
|
||||||
|
newMarkdownContent += char;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
markdownContent = newMarkdownContent;
|
||||||
|
|
||||||
|
// Remove [Skip to Content](#page) and [Skip to content](#skip)
|
||||||
|
markdownContent = markdownContent.replace(
|
||||||
|
/\[Skip to Content\]\(#[^\)]*\)/gi,
|
||||||
|
""
|
||||||
|
);
|
||||||
|
return markdownContent;
|
||||||
}
|
}
|
||||||
|
|
||||||
// multiple line links
|
|
||||||
let insideLinkContent = false;
|
|
||||||
let newMarkdownContent = "";
|
|
||||||
let linkOpenCount = 0;
|
|
||||||
for (let i = 0; i < markdownContent.length; i++) {
|
|
||||||
const char = markdownContent[i];
|
|
||||||
|
|
||||||
if (char == "[") {
|
|
||||||
linkOpenCount++;
|
|
||||||
} else if (char == "]") {
|
|
||||||
linkOpenCount = Math.max(0, linkOpenCount - 1);
|
|
||||||
}
|
|
||||||
insideLinkContent = linkOpenCount > 0;
|
|
||||||
|
|
||||||
if (insideLinkContent && char == "\n") {
|
|
||||||
newMarkdownContent += "\\" + "\n";
|
|
||||||
} else {
|
|
||||||
newMarkdownContent += char;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
markdownContent = newMarkdownContent;
|
|
||||||
|
|
||||||
// Remove [Skip to Content](#page) and [Skip to content](#skip)
|
|
||||||
markdownContent = markdownContent.replace(
|
|
||||||
/\[Skip to Content\]\(#[^\)]*\)/gi,
|
|
||||||
""
|
|
||||||
);
|
|
||||||
return markdownContent;
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue
Block a user