357 lines
12 KiB
JavaScript
357 lines
12 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = void 0;
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var _postcssValueParser = _interopRequireDefault(require("postcss-value-parser"));
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var _utils = require("../utils");
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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const isUrlFunc = /url/i;
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const isImageSetFunc = /^(?:-webkit-)?image-set$/i;
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const needParseDeclaration = /(?:url|(?:-webkit-)?image-set)\(/i;
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function getNodeFromUrlFunc(node) {
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return node.nodes && node.nodes[0];
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}
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function getWebpackIgnoreCommentValue(index, nodes, inBetween) {
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if (index === 0 && typeof inBetween !== "undefined") {
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return inBetween;
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}
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let prevValueNode = nodes[index - 1];
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if (!prevValueNode) {
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// eslint-disable-next-line consistent-return
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return;
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}
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if (prevValueNode.type === "space") {
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if (!nodes[index - 2]) {
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// eslint-disable-next-line consistent-return
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return;
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}
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prevValueNode = nodes[index - 2];
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}
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if (prevValueNode.type !== "comment") {
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// eslint-disable-next-line consistent-return
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return;
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}
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const matched = prevValueNode.value.match(_utils.WEBPACK_IGNORE_COMMENT_REGEXP);
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return matched && matched[2] === "true";
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}
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function shouldHandleURL(url, declaration, result, options) {
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if (url.length === 0) {
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result.warn(`Unable to find uri in '${declaration.toString()}'`, {
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node: declaration
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});
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return {
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requestable: false,
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needResolve: false
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};
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}
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return (0, _utils.isURLRequestable)(url, options);
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}
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function parseDeclaration(declaration, key, result, options) {
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if (!needParseDeclaration.test(declaration[key])) {
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return;
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}
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const parsed = (0, _postcssValueParser.default)(declaration.raws && declaration.raws.value && declaration.raws.value.raw ? declaration.raws.value.raw : declaration[key]);
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let inBetween;
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if (declaration.raws && declaration.raws.between) {
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const lastCommentIndex = declaration.raws.between.lastIndexOf("/*");
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const matched = declaration.raws.between.slice(lastCommentIndex).match(_utils.WEBPACK_IGNORE_COMMENT_REGEXP);
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if (matched) {
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inBetween = matched[2] === "true";
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}
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}
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let isIgnoreOnDeclaration = false;
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const prevNode = declaration.prev();
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if (prevNode && prevNode.type === "comment") {
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const matched = prevNode.text.match(_utils.WEBPACK_IGNORE_COMMENT_REGEXP);
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if (matched) {
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isIgnoreOnDeclaration = matched[2] === "true";
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}
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}
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let needIgnore;
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const parsedURLs = [];
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parsed.walk((valueNode, index, valueNodes) => {
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if (valueNode.type !== "function") {
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return;
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}
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if (isUrlFunc.test(valueNode.value)) {
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needIgnore = getWebpackIgnoreCommentValue(index, valueNodes, inBetween);
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if (isIgnoreOnDeclaration && typeof needIgnore === "undefined" || needIgnore) {
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if (needIgnore) {
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// eslint-disable-next-line no-undefined
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needIgnore = undefined;
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}
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return;
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}
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const {
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nodes
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} = valueNode;
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const isStringValue = nodes.length !== 0 && nodes[0].type === "string";
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let url = isStringValue ? nodes[0].value : _postcssValueParser.default.stringify(nodes);
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url = (0, _utils.normalizeUrl)(url, isStringValue);
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const {
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requestable,
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needResolve
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} = shouldHandleURL(url, declaration, result, options);
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// Do not traverse inside `url`
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if (!requestable) {
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// eslint-disable-next-line consistent-return
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return false;
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}
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const queryParts = url.split("!");
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let prefix;
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if (queryParts.length > 1) {
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url = queryParts.pop();
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prefix = queryParts.join("!");
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}
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parsedURLs.push({
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declaration,
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parsed,
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node: getNodeFromUrlFunc(valueNode),
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prefix,
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url,
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needQuotes: false,
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needResolve
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});
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// eslint-disable-next-line consistent-return
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return false;
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} else if (isImageSetFunc.test(valueNode.value)) {
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for (const [innerIndex, nNode] of valueNode.nodes.entries()) {
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const {
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type,
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value
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} = nNode;
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if (type === "function" && isUrlFunc.test(value)) {
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needIgnore = getWebpackIgnoreCommentValue(innerIndex, valueNode.nodes);
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if (isIgnoreOnDeclaration && typeof needIgnore === "undefined" || needIgnore) {
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if (needIgnore) {
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// eslint-disable-next-line no-undefined
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needIgnore = undefined;
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}
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// eslint-disable-next-line no-continue
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continue;
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}
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const {
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nodes
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} = nNode;
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const isStringValue = nodes.length !== 0 && nodes[0].type === "string";
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let url = isStringValue ? nodes[0].value : _postcssValueParser.default.stringify(nodes);
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url = (0, _utils.normalizeUrl)(url, isStringValue);
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const {
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requestable,
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needResolve
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} = shouldHandleURL(url, declaration, result, options);
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// Do not traverse inside `url`
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if (!requestable) {
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// eslint-disable-next-line consistent-return
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return false;
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}
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const queryParts = url.split("!");
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let prefix;
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if (queryParts.length > 1) {
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url = queryParts.pop();
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prefix = queryParts.join("!");
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}
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parsedURLs.push({
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declaration,
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parsed,
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node: getNodeFromUrlFunc(nNode),
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prefix,
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url,
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needQuotes: false,
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needResolve
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});
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} else if (type === "string") {
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needIgnore = getWebpackIgnoreCommentValue(innerIndex, valueNode.nodes);
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if (isIgnoreOnDeclaration && typeof needIgnore === "undefined" || needIgnore) {
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if (needIgnore) {
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// eslint-disable-next-line no-undefined
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needIgnore = undefined;
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}
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// eslint-disable-next-line no-continue
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continue;
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}
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let url = (0, _utils.normalizeUrl)(value, true);
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const {
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requestable,
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needResolve
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} = shouldHandleURL(url, declaration, result, options);
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// Do not traverse inside `url`
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if (!requestable) {
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// eslint-disable-next-line consistent-return
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return false;
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}
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const queryParts = url.split("!");
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let prefix;
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if (queryParts.length > 1) {
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url = queryParts.pop();
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prefix = queryParts.join("!");
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}
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parsedURLs.push({
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declaration,
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parsed,
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node: nNode,
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prefix,
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url,
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needQuotes: true,
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needResolve
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});
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}
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}
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// Do not traverse inside `image-set`
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// eslint-disable-next-line consistent-return
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return false;
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}
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});
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// eslint-disable-next-line consistent-return
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return parsedURLs;
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}
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const plugin = (options = {}) => {
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return {
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postcssPlugin: "postcss-url-parser",
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prepare(result) {
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const parsedDeclarations = [];
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return {
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Declaration(declaration) {
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const {
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isSupportDataURL,
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isSupportAbsoluteURL
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} = options;
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const parsedURL = parseDeclaration(declaration, "value", result, {
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isSupportDataURL,
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isSupportAbsoluteURL
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});
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if (!parsedURL) {
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return;
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}
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parsedDeclarations.push(...parsedURL);
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},
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async OnceExit() {
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if (parsedDeclarations.length === 0) {
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return;
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}
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const resolvedDeclarations = await Promise.all(parsedDeclarations.map(async parsedDeclaration => {
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const {
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url,
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needResolve
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} = parsedDeclaration;
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if (options.filter) {
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const needKeep = await options.filter(url);
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if (!needKeep) {
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// eslint-disable-next-line consistent-return
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return;
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}
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}
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if (!needResolve) {
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// eslint-disable-next-line consistent-return
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return parsedDeclaration;
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}
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const splittedUrl = url.split(/(\?)?#/);
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const [pathname, query, hashOrQuery] = splittedUrl;
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let hash = query ? "?" : "";
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hash += hashOrQuery ? `#${hashOrQuery}` : "";
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const {
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resolver,
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rootContext
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} = options;
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const request = (0, _utils.requestify)(pathname, rootContext, Boolean(resolver));
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if (!resolver) {
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// eslint-disable-next-line consistent-return
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return {
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...parsedDeclaration,
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url: request,
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hash
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};
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}
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const resolvedURL = await (0, _utils.resolveRequests)(resolver, options.context, [...new Set([request, url])]);
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if (!resolvedURL) {
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// eslint-disable-next-line consistent-return
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return;
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}
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// eslint-disable-next-line consistent-return
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return {
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...parsedDeclaration,
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url: resolvedURL,
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hash
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};
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}));
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const urlToNameMap = new Map();
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const urlToReplacementMap = new Map();
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let hasUrlImportHelper = false;
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for (let index = 0; index <= resolvedDeclarations.length - 1; index++) {
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const item = resolvedDeclarations[index];
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if (!item) {
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// eslint-disable-next-line no-continue
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continue;
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}
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if (!hasUrlImportHelper) {
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options.imports.push({
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type: "get_url_import",
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importName: "___CSS_LOADER_GET_URL_IMPORT___",
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url: options.urlHandler(require.resolve("../runtime/getUrl.js")),
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index: -1
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});
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hasUrlImportHelper = true;
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}
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const {
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url,
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prefix
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} = item;
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const newUrl = prefix ? `${prefix}!${url}` : url;
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let importName = urlToNameMap.get(newUrl);
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if (!importName) {
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importName = `___CSS_LOADER_URL_IMPORT_${urlToNameMap.size}___`;
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urlToNameMap.set(newUrl, importName);
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options.imports.push({
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type: "url",
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importName,
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url: options.resolver ? options.urlHandler(newUrl) : JSON.stringify(newUrl),
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index
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});
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}
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const {
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hash,
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needQuotes
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} = item;
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const replacementKey = JSON.stringify({
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newUrl,
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hash,
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needQuotes
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});
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let replacementName = urlToReplacementMap.get(replacementKey);
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if (!replacementName) {
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replacementName = `___CSS_LOADER_URL_REPLACEMENT_${urlToReplacementMap.size}___`;
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urlToReplacementMap.set(replacementKey, replacementName);
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options.replacements.push({
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replacementName,
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importName,
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hash,
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needQuotes
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});
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}
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// eslint-disable-next-line no-param-reassign
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item.node.type = "word";
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// eslint-disable-next-line no-param-reassign
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item.node.value = replacementName;
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// eslint-disable-next-line no-param-reassign
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item.declaration.value = item.parsed.toString();
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}
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}
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};
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}
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};
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};
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plugin.postcss = true;
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var _default = plugin;
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exports.default = _default; |