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- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.default = void 0;
- var _postcssValueParser = _interopRequireDefault(require("postcss-value-parser"));
- var _utils = require("../utils");
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
- function parseNode(atRule, key) {
- // Convert only top-level @import
- if (atRule.parent.type !== "root") {
- return;
- }
- if (atRule.raws && atRule.raws.afterName && atRule.raws.afterName.trim().length > 0) {
- const lastCommentIndex = atRule.raws.afterName.lastIndexOf("/*");
- const matched = atRule.raws.afterName.slice(lastCommentIndex).match(_utils.WEBPACK_IGNORE_COMMENT_REGEXP);
- if (matched && matched[2] === "true") {
- return;
- }
- }
- const prevNode = atRule.prev();
- if (prevNode && prevNode.type === "comment") {
- const matched = prevNode.text.match(_utils.WEBPACK_IGNORE_COMMENT_REGEXP);
- if (matched && matched[2] === "true") {
- return;
- }
- } // Nodes do not exists - `@import url('http://') :root {}`
- if (atRule.nodes) {
- const error = new Error("It looks like you didn't end your @import statement correctly. Child nodes are attached to it.");
- error.node = atRule;
- throw error;
- }
- const {
- nodes: paramsNodes
- } = (0, _postcssValueParser.default)(atRule[key]); // No nodes - `@import ;`
- // Invalid type - `@import foo-bar;`
- if (paramsNodes.length === 0 || paramsNodes[0].type !== "string" && paramsNodes[0].type !== "function") {
- const error = new Error(`Unable to find uri in "${atRule.toString()}"`);
- error.node = atRule;
- throw error;
- }
- let isStringValue;
- let url;
- if (paramsNodes[0].type === "string") {
- isStringValue = true;
- url = paramsNodes[0].value;
- } else {
- // Invalid function - `@import nourl(test.css);`
- if (paramsNodes[0].value.toLowerCase() !== "url") {
- const error = new Error(`Unable to find uri in "${atRule.toString()}"`);
- error.node = atRule;
- throw error;
- }
- isStringValue = paramsNodes[0].nodes.length !== 0 && paramsNodes[0].nodes[0].type === "string";
- url = isStringValue ? paramsNodes[0].nodes[0].value : _postcssValueParser.default.stringify(paramsNodes[0].nodes);
- }
- url = (0, _utils.normalizeUrl)(url, isStringValue);
- const isRequestable = (0, _utils.isUrlRequestable)(url);
- let prefix;
- if (isRequestable) {
- const queryParts = url.split("!");
- if (queryParts.length > 1) {
- url = queryParts.pop();
- prefix = queryParts.join("!");
- }
- } // Empty url - `@import "";` or `@import url();`
- if (url.trim().length === 0) {
- const error = new Error(`Unable to find uri in "${atRule.toString()}"`);
- error.node = atRule;
- throw error;
- }
- const mediaNodes = paramsNodes.slice(1);
- let media;
- if (mediaNodes.length > 0) {
- media = _postcssValueParser.default.stringify(mediaNodes).trim().toLowerCase();
- } // eslint-disable-next-line consistent-return
- return {
- atRule,
- prefix,
- url,
- media,
- isRequestable
- };
- }
- const plugin = (options = {}) => {
- return {
- postcssPlugin: "postcss-import-parser",
- prepare(result) {
- const parsedAtRules = [];
- return {
- AtRule: {
- import(atRule) {
- let parsedAtRule;
- try {
- parsedAtRule = parseNode(atRule, "params", result);
- } catch (error) {
- result.warn(error.message, {
- node: error.node
- });
- }
- if (!parsedAtRule) {
- return;
- }
- parsedAtRules.push(parsedAtRule);
- }
- },
- async OnceExit() {
- if (parsedAtRules.length === 0) {
- return;
- }
- const resolvedAtRules = await Promise.all(parsedAtRules.map(async parsedAtRule => {
- const {
- atRule,
- isRequestable,
- prefix,
- url,
- media
- } = parsedAtRule;
- if (options.filter) {
- const needKeep = await options.filter(url, media);
- if (!needKeep) {
- return;
- }
- }
- if (isRequestable) {
- const request = (0, _utils.requestify)(url, options.rootContext);
- const {
- resolver,
- context
- } = options;
- const resolvedUrl = await (0, _utils.resolveRequests)(resolver, context, [...new Set([request, url])]);
- if (!resolvedUrl) {
- return;
- }
- atRule.remove(); // eslint-disable-next-line consistent-return
- return {
- url: resolvedUrl,
- media,
- prefix,
- isRequestable
- };
- }
- atRule.remove(); // eslint-disable-next-line consistent-return
- return {
- url,
- media,
- prefix,
- isRequestable
- };
- }));
- const urlToNameMap = new Map();
- for (let index = 0; index <= resolvedAtRules.length - 1; index++) {
- const resolvedAtRule = resolvedAtRules[index];
- if (!resolvedAtRule) {
- // eslint-disable-next-line no-continue
- continue;
- }
- const {
- url,
- isRequestable,
- media
- } = resolvedAtRule;
- if (!isRequestable) {
- options.api.push({
- url,
- media,
- index
- }); // eslint-disable-next-line no-continue
- continue;
- }
- const {
- prefix
- } = resolvedAtRule;
- const newUrl = prefix ? `${prefix}!${url}` : url;
- let importName = urlToNameMap.get(newUrl);
- if (!importName) {
- importName = `___CSS_LOADER_AT_RULE_IMPORT_${urlToNameMap.size}___`;
- urlToNameMap.set(newUrl, importName);
- options.imports.push({
- importName,
- url: options.urlHandler(newUrl),
- index
- });
- }
- options.api.push({
- importName,
- media,
- index
- });
- }
- }
- };
- }
- };
- };
- plugin.postcss = true;
- var _default = plugin;
- exports.default = _default;
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