katoikia-app/web-ui/web-react/node_modules/css-loader/dist/plugins/postcss-url-parser.js

207 lines
5.1 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _postcss = _interopRequireDefault(require("postcss"));
var _postcssValueParser = _interopRequireDefault(require("postcss-value-parser"));
var _utils = require("../utils");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
const pluginName = 'postcss-url-parser';
const isUrlFunc = /url/i;
const isImageSetFunc = /^(?:-webkit-)?image-set$/i;
const needParseDecl = /(?:url|(?:-webkit-)?image-set)\(/i;
function getNodeFromUrlFunc(node) {
return node.nodes && node.nodes[0];
}
function walkUrls(parsed, callback) {
parsed.walk(node => {
if (node.type !== 'function') {
return;
}
if (isUrlFunc.test(node.value)) {
const {
nodes
} = node;
const isStringValue = nodes.length !== 0 && nodes[0].type === 'string';
const url = isStringValue ? nodes[0].value : _postcssValueParser.default.stringify(nodes);
callback(getNodeFromUrlFunc(node), url, false, isStringValue); // Do not traverse inside `url`
// eslint-disable-next-line consistent-return
return false;
}
if (isImageSetFunc.test(node.value)) {
node.nodes.forEach(nNode => {
const {
type,
value
} = nNode;
if (type === 'function' && isUrlFunc.test(value)) {
const {
nodes
} = nNode;
const isStringValue = nodes.length !== 0 && nodes[0].type === 'string';
const url = isStringValue ? nodes[0].value : _postcssValueParser.default.stringify(nodes);
callback(getNodeFromUrlFunc(nNode), url, false, isStringValue);
}
if (type === 'string') {
callback(nNode, value, true, true);
}
}); // Do not traverse inside `image-set`
// eslint-disable-next-line consistent-return
return false;
}
});
}
function getUrlsFromValue(value, result, filter, decl) {
if (!needParseDecl.test(value)) {
return;
}
const parsed = (0, _postcssValueParser.default)(value);
const urls = [];
walkUrls(parsed, (node, url, needQuotes, isStringValue) => {
if (url.trim().replace(/\\[\r\n]/g, '').length === 0) {
result.warn(`Unable to find uri in '${decl ? decl.toString() : value}'`, {
node: decl
});
return;
}
if (filter && !filter(url)) {
return;
}
const splittedUrl = url.split(/(\?)?#/);
const [urlWithoutHash, singleQuery, hashValue] = splittedUrl;
const hash = singleQuery || hashValue ? `${singleQuery ? '?' : ''}${hashValue ? `#${hashValue}` : ''}` : '';
const normalizedUrl = (0, _utils.normalizeUrl)(urlWithoutHash, isStringValue);
urls.push({
node,
url: normalizedUrl,
hash,
needQuotes
});
}); // eslint-disable-next-line consistent-return
return {
parsed,
urls
};
}
function walkDecls(css, result, filter) {
const items = [];
css.walkDecls(decl => {
const item = getUrlsFromValue(decl.value, result, filter, decl);
if (!item || item.urls.length === 0) {
return;
}
items.push({
decl,
parsed: item.parsed,
urls: item.urls
});
});
return items;
}
function flatten(array) {
return array.reduce((a, b) => a.concat(b), []);
}
function collectUniqueUrlsWithNodes(array) {
return array.reduce((accumulator, currentValue) => {
const {
url,
needQuotes,
hash,
node
} = currentValue;
const found = accumulator.find(item => url === item.url && needQuotes === item.needQuotes && hash === item.hash);
if (!found) {
accumulator.push({
url,
hash,
needQuotes,
nodes: [node]
});
} else {
found.nodes.push(node);
}
return accumulator;
}, []);
}
var _default = _postcss.default.plugin(pluginName, options => function process(css, result) {
const traversed = walkDecls(css, result, options.filter);
const flattenTraversed = flatten(traversed.map(item => item.urls));
const urlsWithNodes = collectUniqueUrlsWithNodes(flattenTraversed);
const replacers = new Map();
urlsWithNodes.forEach((urlWithNodes, index) => {
const {
url,
hash,
needQuotes,
nodes
} = urlWithNodes;
const replacementName = `___CSS_LOADER_URL_REPLACEMENT_${index}___`;
result.messages.push({
pluginName,
type: 'import',
value: {
type: 'url',
replacementName,
url,
needQuotes,
hash
}
}, {
pluginName,
type: 'replacer',
value: {
type: 'url',
replacementName
}
});
nodes.forEach(node => {
replacers.set(node, replacementName);
});
});
traversed.forEach(item => {
walkUrls(item.parsed, node => {
const replacementName = replacers.get(node);
if (!replacementName) {
return;
} // eslint-disable-next-line no-param-reassign
node.type = 'word'; // eslint-disable-next-line no-param-reassign
node.value = replacementName;
}); // eslint-disable-next-line no-param-reassign
item.decl.value = item.parsed.toString();
});
});
exports.default = _default;