103 lines
3.1 KiB
JavaScript
103 lines
3.1 KiB
JavaScript
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const _ = require('lodash');
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const mergeSettings = (extraSettings) => {
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return _.mergeWith({}, baseSettings, extraSettings, function customizer(objValue, srcValue) {
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if (_.isArray(objValue)) {
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return objValue.concat(srcValue);
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}
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});
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};
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const baseSettings = {
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wordwrap: false,
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preserveNewlines: true,
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// equiv returnDomByDefault: true,
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baseElements: {returnDomByDefault: true},
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selectors: [
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// Ignore images, equiv ignoreImage: true
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{selector: 'img', format: 'skip'},
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// disable uppercase headings, equiv uppercaseHeadings: false
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{selector: 'h1', options: {uppercase: false}},
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{selector: 'h2', options: {uppercase: false}},
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{selector: 'h3', options: {uppercase: false}},
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{selector: 'h4', options: {uppercase: false}},
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{selector: 'h5', options: {uppercase: false}},
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{selector: 'h6', options: {uppercase: false}},
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{selector: 'table', options: {uppercaseHeaderCells: false}},
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// Backwards compatibility with html-to-text 5.1.1
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{selector: 'div', format: 'inline'}
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]
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};
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let excerptConverter;
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let emailConverter;
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let commentConverter;
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const loadConverters = () => {
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if (excerptConverter && emailConverter) {
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return;
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}
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const {compile} = require('html-to-text');
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const excerptSettings = mergeSettings({
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selectors: [
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{selector: 'a', options: {ignoreHref: true}},
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{selector: 'figcaption', format: 'skip'},
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// Strip inline and bottom footnotes
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{selector: 'a[rel=footnote]', format: 'skip'},
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{selector: 'div.footnotes', format: 'skip'},
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// Don't output hrs
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{selector: 'hr', format: 'skip'},
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// Don't output > in blockquotes
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{selector: 'blockquote', format: 'block'},
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// Don't include signup cards in excerpts
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{selector: '.kg-signup-card', format: 'skip'}
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]
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});
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const emailSettings = mergeSettings({
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selectors: [
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// equiv hideLinkHrefIfSameAsText: true
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{selector: 'a', options: {hideLinkHrefIfSameAsText: true}},
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// Don't include html .preheader in email
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{selector: '.preheader', format: 'skip'}
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]
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});
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const commentSettings = mergeSettings({
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preserveNewlines: false,
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selectors: [
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// equiv hideLinkHrefIfSameAsText: true
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{selector: 'a', options: {hideLinkHrefIfSameAsText: true}},
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// No space between <p> tags. An empty <p> is needed
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{selector: 'p', options: {leadingLineBreaks: 1, trailingLineBreaks: 1}}
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]
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});
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excerptConverter = compile(excerptSettings);
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emailConverter = compile(emailSettings);
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commentConverter = compile(commentSettings);
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};
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module.exports.excerpt = (html) => {
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loadConverters();
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return excerptConverter(html);
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};
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module.exports.email = (html) => {
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loadConverters();
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return emailConverter(html);
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};
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module.exports.comment = (html) => {
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loadConverters();
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return commentConverter(html);
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};
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