314 lines
14 KiB
Plaintext
314 lines
14 KiB
Plaintext
import valueParser from "next/dist/compiled/postcss-value-parser";
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import { resolveRequests, normalizeUrl, requestify, isUrlRequestable, isDataUrl, // @ts-expect-error TODO: this export doesn't exist? Double check.
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WEBPACK_IGNORE_COMMENT_REGEXP } from "../utils";
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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(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, isSupportDataURLInNewURL) {
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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 false;
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}
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if (isDataUrl(url) && isSupportDataURLInNewURL) {
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try {
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decodeURIComponent(url);
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} catch (ignoreError) {
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return false;
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}
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return true;
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}
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if (!isUrlRequestable(url)) {
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return false;
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}
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return true;
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}
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function parseDeclaration(declaration, key, result, isSupportDataURLInNewURL) {
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if (!needParseDeclaration.test(declaration[key])) {
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return;
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}
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const parsed = valueParser(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(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(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 { nodes } = valueNode;
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const isStringValue = nodes.length !== 0 && nodes[0].type === "string";
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let url = isStringValue ? nodes[0].value : valueParser.stringify(nodes);
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url = normalizeUrl(url, isStringValue);
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// Do not traverse inside `url`
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if (!shouldHandleURL(url, declaration, result, isSupportDataURLInNewURL)) {
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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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});
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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 { type, value } = 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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continue;
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}
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const { nodes } = nNode;
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const isStringValue = nodes.length !== 0 && nodes[0].type === "string";
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let url = isStringValue ? nodes[0].value : valueParser.stringify(nodes);
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url = normalizeUrl(url, isStringValue);
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// Do not traverse inside `url`
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if (!shouldHandleURL(url, declaration, result, isSupportDataURLInNewURL)) {
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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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});
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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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continue;
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}
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let url = normalizeUrl(value, true);
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// Do not traverse inside `url`
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if (!shouldHandleURL(url, declaration, result, isSupportDataURLInNewURL)) {
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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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});
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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 { isSupportDataURLInNewURL } = options;
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const parsedURL = parseDeclaration(declaration, "value", result, isSupportDataURLInNewURL);
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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 { url } = 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 (isDataUrl(url)) {
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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 { needToResolveURL, rootContext } = options;
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const request = requestify(pathname, rootContext, // @ts-expect-error TODO: only 2 arguments allowed.
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needToResolveURL);
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if (!needToResolveURL) {
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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 { resolver, context } = options;
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const resolvedUrl = await resolveRequests(resolver, context, [
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...new Set([
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request,
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url
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])
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]);
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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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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 { url, prefix } = 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_${urlToNameMap.size}___`;
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urlToNameMap.set(newUrl, importName);
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options.imports.push({
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type: "url",
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importName,
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url: options.needToResolveURL ? options.urlHandler(newUrl) : JSON.stringify(newUrl),
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index
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});
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}
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const { hash, needQuotes } = item;
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const replacementKey = JSON.stringify({
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newUrl,
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hash,
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needQuotes
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});
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let replacementName = urlToReplacementMap.get(replacementKey);
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if (!replacementName) {
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replacementName = `___CSS_LOADER_URL_REPLACEMENT_${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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export default plugin;
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//# sourceMappingURL=postcss-url-parser.js.map |