@farris/build-angular
Version:
Angular Webpack Build Facade
142 lines • 18.5 kB
JavaScript
;
// tslint:disable
// TODO: cleanup this file, it's copied as is from Angular CLI.
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
const loader_utils_1 = require("loader-utils");
const postcss = require("postcss");
const url = require("url");
function wrapUrl(url) {
let wrappedUrl;
const hasSingleQuotes = url.indexOf('\'') >= 0;
if (hasSingleQuotes) {
wrappedUrl = `"${url}"`;
}
else {
wrappedUrl = `'${url}'`;
}
return `url(${wrappedUrl})`;
}
function resolve(file, base, resolver) {
return __awaiter(this, void 0, void 0, function* () {
try {
return yield resolver('./' + file, base);
}
catch (err) {
return resolver(file, base);
}
});
}
exports.default = postcss.plugin('postcss-cli-resources', (options) => {
const { deployUrl, filename, loader } = options;
const process = (inputUrl, resourceCache) => __awaiter(this, void 0, void 0, function* () {
// If root-relative or absolute, leave as is
if (inputUrl.match(/^(?:\w+:\/\/|data:|chrome:|#|\/)/)) {
return inputUrl;
}
// If starts with a caret, remove and return remainder
// this supports bypassing asset processing
if (inputUrl.startsWith('^')) {
return inputUrl.substr(1);
}
const cachedUrl = resourceCache.get(inputUrl);
if (cachedUrl) {
return cachedUrl;
}
const { pathname, hash, search } = url.parse(inputUrl.replace(/\\/g, '/'));
const resolver = (file, base) => new Promise((resolve, reject) => {
loader.resolve(base, file, (err, result) => {
if (err) {
reject(err);
return;
}
resolve(result);
});
});
const result = yield resolve(pathname, loader.context, resolver);
return new Promise((resolve, reject) => {
loader.fs.readFile(result, (err, content) => {
if (err) {
reject(err);
return;
}
const outputPath = loader_utils_1.interpolateName({ resourcePath: result }, filename, { content });
loader.addDependency(result);
loader.emitFile(outputPath, content, undefined);
let outputUrl = outputPath.replace(/\\/g, '/');
if (hash || search) {
outputUrl = url.format({ pathname: outputUrl, hash, search });
}
if (deployUrl) {
outputUrl = url.resolve(deployUrl, outputUrl);
}
resourceCache.set(inputUrl, outputUrl);
resolve(outputUrl);
});
});
});
return (root) => {
const urlDeclarations = [];
root.walkDecls(decl => {
if (decl.value && decl.value.includes('url')) {
urlDeclarations.push(decl);
}
});
if (urlDeclarations.length === 0) {
return;
}
const resourceCache = new Map();
return Promise.all(urlDeclarations.map((decl) => __awaiter(this, void 0, void 0, function* () {
const value = decl.value;
const urlRegex = /url\(\s*(?:"([^"]+)"|'([^']+)'|(.+?))\s*\)/g;
const segments = [];
let match;
let lastIndex = 0;
let modified = false;
// tslint:disable-next-line:no-conditional-assignment
while (match = urlRegex.exec(value)) {
const originalUrl = match[1] || match[2] || match[3];
let processedUrl;
try {
processedUrl = yield process(originalUrl, resourceCache);
}
catch (err) {
loader.emitError(decl.error(err.message, { word: originalUrl }).toString());
continue;
}
if (lastIndex < match.index) {
segments.push(value.slice(lastIndex, match.index));
}
if (!processedUrl || originalUrl === processedUrl) {
segments.push(match[0]);
}
else {
segments.push(wrapUrl(processedUrl));
modified = true;
}
lastIndex = match.index + match[0].length;
}
if (lastIndex < value.length) {
segments.push(value.slice(lastIndex));
}
if (modified) {
decl.value = segments.join('');
}
})));
};
});
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tslint:disable\n// TODO: cleanup this file, it's copied as is from Angular CLI.\n\n\n/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\nimport { interpolateName } from 'loader-utils';\nimport * as postcss from 'postcss';\nimport * as url from 'url';\nimport * as webpack from 'webpack';\n\nfunction wrapUrl(url: string): string {\n  let wrappedUrl;\n  const hasSingleQuotes = url.indexOf('\\'') >= 0;\n\n  if (hasSingleQuotes) {\n    wrappedUrl = `\"${url}\"`;\n  } else {\n    wrappedUrl = `'${url}'`;\n  }\n\n  return `url(${wrappedUrl})`;\n}\n\nexport interface PostcssCliResourcesOptions {\n  deployUrl?: string;\n  filename: string;\n  loader: webpack.loader.LoaderContext;\n}\n\nasync function resolve(\n  file: string,\n  base: string,\n  resolver: (file: string, base: string) => Promise<string>\n): Promise<string> {\n  try {\n    return await resolver('./' + file, base);\n  } catch (err) {\n    return resolver(file, base);\n  }\n}\n\nexport default postcss.plugin('postcss-cli-resources', (options: PostcssCliResourcesOptions) => {\n  const { deployUrl, filename, loader } = options;\n\n  const process = async (inputUrl: string, resourceCache: Map<string, string>) => {\n    // If root-relative or absolute, leave as is\n    if (inputUrl.match(/^(?:\\w+:\\/\\/|data:|chrome:|#|\\/)/)) {\n      return inputUrl;\n    }\n    // If starts with a caret, remove and return remainder\n    // this supports bypassing asset processing\n    if (inputUrl.startsWith('^')) {\n      return inputUrl.substr(1);\n    }\n\n    const cachedUrl = resourceCache.get(inputUrl);\n    if (cachedUrl) {\n      return cachedUrl;\n    }\n\n    const { pathname, hash, search } = url.parse(inputUrl.replace(/\\\\/g, '/'));\n    const resolver = (file: string, base: string) => new Promise<string>((resolve, reject) => {\n      loader.resolve(base, file, (err, result) => {\n        if (err) {\n          reject(err);\n          return;\n        }\n        resolve(result);\n      });\n    });\n\n    const result = await resolve(pathname as string, loader.context, resolver);\n\n    return new Promise<string>((resolve, reject) => {\n      loader.fs.readFile(result, (err: Error, content: Buffer) => {\n        if (err) {\n          reject(err);\n          return;\n        }\n\n        const outputPath = interpolateName(\n          { resourcePath: result } as webpack.loader.LoaderContext,\n          filename,\n          { content },\n        );\n\n        loader.addDependency(result);\n        loader.emitFile(outputPath, content, undefined);\n\n        let outputUrl = outputPath.replace(/\\\\/g, '/');\n        if (hash || search) {\n          outputUrl = url.format({ pathname: outputUrl, hash, search });\n        }\n\n        if (deployUrl) {\n          outputUrl = url.resolve(deployUrl, outputUrl);\n        }\n\n        resourceCache.set(inputUrl, outputUrl);\n\n        resolve(outputUrl);\n      });\n    });\n  };\n\n  return (root) => {\n    const urlDeclarations: Array<postcss.Declaration> = [];\n    root.walkDecls(decl => {\n      if (decl.value && decl.value.includes('url')) {\n        urlDeclarations.push(decl);\n      }\n    });\n\n    if (urlDeclarations.length === 0) {\n      return;\n    }\n\n    const resourceCache = new Map<string, string>();\n\n    return Promise.all(urlDeclarations.map(async decl => {\n      const value = decl.value;\n      const urlRegex = /url\\(\\s*(?:\"([^\"]+)\"|'([^']+)'|(.+?))\\s*\\)/g;\n      const segments: string[] = [];\n\n      let match;\n      let lastIndex = 0;\n      let modified = false;\n      // tslint:disable-next-line:no-conditional-assignment\n      while (match = urlRegex.exec(value)) {\n        const originalUrl = match[1] || match[2] || match[3];\n        let processedUrl;\n        try {\n          processedUrl = await process(originalUrl, resourceCache);\n        } catch (err) {\n          loader.emitError(decl.error(err.message, { word: originalUrl }).toString());\n          continue;\n        }\n\n        if (lastIndex < match.index) {\n          segments.push(value.slice(lastIndex, match.index));\n        }\n\n        if (!processedUrl || originalUrl === processedUrl) {\n          segments.push(match[0]);\n        } else {\n          segments.push(wrapUrl(processedUrl));\n          modified = true;\n        }\n\n        lastIndex = match.index + match[0].length;\n      }\n\n      if (lastIndex < value.length) {\n        segments.push(value.slice(lastIndex));\n      }\n\n      if (modified) {\n        decl.value = segments.join('');\n      }\n    }));\n  };\n});\n"]}