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