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feat(textversion): migrate from textversionjs to html-to-text (#86)
* feat(textversion): migrate from textversion to html-to-text Resolves #85 Signed-off-by: Niloy Sikdar <niloysikdar30@gmail.com> * refactor(textemail): refactor the headingFormatter for genearting the plain text Create a headingFormatter function and pass the level for each heading type for formatting Resolves #85 Signed-off-by: Niloy Sikdar <niloysikdar30@gmail.com> Signed-off-by: Niloy Sikdar <niloysikdar30@gmail.com>
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2 changes: 1 addition & 1 deletion
2
src/utils/generateTextEmailFromHTML/generateTextEmailFromHTML.test.ts
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52 changes: 50 additions & 2 deletions
52
src/utils/generateTextEmailFromHTML/generateTextEmailFromHTML.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,54 @@ | ||
| import htmlToPlainText from 'textversionjs'; | ||
| import { convert, DomNode, FormatOptions, RecursiveCallback } from 'html-to-text'; | ||
| import { BlockTextBuilder } from 'html-to-text/lib/block-text-builder'; | ||
|
|
||
| const headingFormatter = | ||
| (level: number) => | ||
| ( | ||
| elem: DomNode, | ||
| walk: RecursiveCallback, | ||
| builder: BlockTextBuilder, | ||
| formatOptions: FormatOptions, | ||
| ) => { | ||
| builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 1 }); | ||
| builder.addInline('#'.repeat(level) + ' '); | ||
| walk(elem.children, builder); | ||
| builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 1 }); | ||
| }; | ||
|
|
||
| export const generateTextEmailFromHTML = (html: string): string => { | ||
| const plainText = htmlToPlainText(html, { headingStyle: 'hashify' }); | ||
| const plainText = convert(html, { | ||
| formatters: { | ||
| h1Formatter: headingFormatter(1), | ||
| h2Formatter: headingFormatter(2), | ||
| h3Formatter: headingFormatter(3), | ||
| h4Formatter: headingFormatter(4), | ||
| h5Formatter: headingFormatter(5), | ||
| h6Formatter: headingFormatter(6), | ||
| captionFormatter: function (elem, walk, builder) { | ||
| builder.openBlock({ leadingLineBreaks: 1 }); | ||
| walk(elem.children, builder); | ||
| builder.closeBlock({ trailingLineBreaks: 1 }); | ||
| }, | ||
| quoteFormatter: function (elem, walk, builder, formatOptions) { | ||
| builder.openBlock({ leadingLineBreaks: formatOptions.leadingLineBreaks || 1 }); | ||
| builder.addInline('> '); | ||
| walk(elem.children, builder); | ||
| builder.closeBlock({ trailingLineBreaks: formatOptions.trailingLineBreaks || 1 }); | ||
| }, | ||
| }, | ||
| selectors: [ | ||
| { selector: '#preheader', format: 'skip' }, | ||
| { selector: 'h1', format: 'h1Formatter', options: { uppercase: false } }, | ||
| { selector: 'h2', format: 'h2Formatter', options: { uppercase: false } }, | ||
| { selector: 'h3', format: 'h3Formatter', options: { uppercase: false } }, | ||
| { selector: 'h4', format: 'h4Formatter', options: { uppercase: false } }, | ||
| { selector: 'h5', format: 'h5Formatter', options: { uppercase: false } }, | ||
| { selector: 'h6', format: 'h6Formatter', options: { uppercase: false } }, | ||
| { selector: 'table', options: { uppercaseHeaderCells: false } }, | ||
| { selector: '#imageCaption', format: 'captionFormatter' }, | ||
| { selector: '#quote', format: 'quoteFormatter' }, | ||
| ], | ||
| }); | ||
|
|
||
| return plainText; | ||
| }; |
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