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61 lines
2.2 KiB
JavaScript
61 lines
2.2 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.transformMarkup = exports.parseAttributes = exports.stripTags = exports.createTagRegex = void 0;
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/** Create a tag matching regexp. */
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function createTagRegex(tagName, flags) {
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return new RegExp(`/<!--[^]*?-->|<${tagName}(\\s[^]*?)?(?:>([^]*?)<\\/${tagName}>|\\/>)`, flags);
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}
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exports.createTagRegex = createTagRegex;
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/** Strip script and style tags from markup. */
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function stripTags(markup) {
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return markup
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.replace(createTagRegex('style', 'gi'), '')
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.replace(createTagRegex('script', 'gi'), '');
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}
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exports.stripTags = stripTags;
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/** Transform an attribute string into a key-value object */
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function parseAttributes(attributesStr) {
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return attributesStr
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.split(/\s+/)
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.filter(Boolean)
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.reduce((acc, attr) => {
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const [name, value] = attr.split('=');
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// istanbul ignore next
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acc[name] = value ? value.replace(/['"]/g, '') : true;
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return acc;
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}, {});
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}
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exports.parseAttributes = parseAttributes;
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async function transformMarkup({ content, filename }, transformer, options = {}) {
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let { markupTagName = 'template' } = options;
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markupTagName = markupTagName.toLocaleLowerCase();
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const markupPattern = createTagRegex(markupTagName);
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const templateMatch = content.match(markupPattern);
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/** If no <template> was found, run the transformer over the whole thing */
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if (!templateMatch || templateMatch.index == null) {
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return transformer({
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content,
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markup: content,
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attributes: {},
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filename,
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options,
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});
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}
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const [fullMatch, attributesStr = '', templateCode] = templateMatch;
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const attributes = parseAttributes(attributesStr);
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/** Transform the found template code */
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let { code, map, dependencies } = await transformer({
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content: templateCode,
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markup: templateCode,
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attributes,
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filename,
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options,
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});
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code =
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content.slice(0, templateMatch.index) +
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code +
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content.slice(templateMatch.index + fullMatch.length);
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return { code, map, dependencies };
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}
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exports.transformMarkup = transformMarkup;
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