83 lines
3.4 KiB
Plaintext
83 lines
3.4 KiB
Plaintext
/*
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The MIT License (MIT)
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Copyright (c) 2016 Ben Holloway
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/ import { SourceMapConsumer } from "next/dist/compiled/source-map";
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import valueProcessor from "./lib/value-processor";
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import { defaultJoin } from "./lib/join-function";
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import process from "./lib/postcss";
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/**
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* A webpack loader that resolves absolute url() paths relative to their original source file.
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* Requires source-maps to do any meaningful work.
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*/ export default async function resolveUrlLoader(/** Css content */ content, /** The source-map */ sourceMap) {
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const options = Object.assign({
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sourceMap: this.sourceMap,
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silent: false,
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absolute: false,
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keepQuery: false,
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root: false,
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debug: false,
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join: defaultJoin
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}, this.getOptions());
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let sourceMapConsumer;
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if (sourceMap) {
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sourceMapConsumer = new SourceMapConsumer(sourceMap);
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}
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const callback = this.async();
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const { postcss } = await options.postcss();
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process(postcss, this.resourcePath, content, {
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outputSourceMap: Boolean(options.sourceMap),
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transformDeclaration: valueProcessor(this.resourcePath, options),
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inputSourceMap: sourceMap,
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sourceMapConsumer: sourceMapConsumer
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})// eslint-disable-next-line @typescript-eslint/no-use-before-define
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.catch(onFailure)// eslint-disable-next-line @typescript-eslint/no-use-before-define
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.then(onSuccess);
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function onFailure(error) {
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// eslint-disable-next-line @typescript-eslint/no-use-before-define
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callback(encodeError("CSS error", error));
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}
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function onSuccess(reworked) {
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if (reworked) {
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// complete with source-map
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// source-map sources are relative to the file being processed
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if (options.sourceMap) {
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callback(null, reworked.content, reworked.map);
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} else {
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callback(null, reworked.content);
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}
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}
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}
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function encodeError(label, exception) {
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return new Error([
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"resolve-url-loader",
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": ",
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[
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label
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].concat(typeof exception === "string" && exception || exception instanceof Error && [
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exception.message,
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exception.stack.split("\n")[1].trim()
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] || []).filter(Boolean).join("\n ")
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].join(""));
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}
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}
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//# sourceMappingURL=index.js.map |