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- "use strict";
- Object.defineProperty(exports, "__esModule", { value: true });
- exports.VueLoaderPlugin = void 0;
- const path = require("path");
- const qs = require("querystring");
- const loaderUtils = require("loader-utils");
- const hash = require("hash-sum");
- const compiler_1 = require("./compiler");
- const select_1 = require("./select");
- const hotReload_1 = require("./hotReload");
- const cssModules_1 = require("./cssModules");
- const formatError_1 = require("./formatError");
- const plugin_1 = require("./plugin");
- exports.VueLoaderPlugin = plugin_1.default;
- const resolveScript_1 = require("./resolveScript");
- const descriptorCache_1 = require("./descriptorCache");
- let errorEmitted = false;
- const exportHelperPath = JSON.stringify(require.resolve('./exportHelper'));
- function loader(source) {
- var _a;
- const loaderContext = this;
- // check if plugin is installed
- if (!errorEmitted &&
- !loaderContext['thread-loader'] &&
- !loaderContext[plugin_1.default.NS]) {
- loaderContext.emitError(new Error(`vue-loader was used without the corresponding plugin. ` +
- `Make sure to include VueLoaderPlugin in your webpack config.`));
- errorEmitted = true;
- }
- const stringifyRequest = (r) => loaderUtils.stringifyRequest(loaderContext, r);
- const { mode, target, sourceMap, rootContext, resourcePath, resourceQuery = '', } = loaderContext;
- const rawQuery = resourceQuery.slice(1);
- const incomingQuery = qs.parse(rawQuery);
- const options = (loaderUtils.getOptions(loaderContext) ||
- {});
- const isServer = (_a = options.isServerBuild) !== null && _a !== void 0 ? _a : target === 'node';
- const isProduction = mode === 'production' || process.env.NODE_ENV === 'production';
- const filename = resourcePath.replace(/\?.*$/, '');
- const { descriptor, errors } = compiler_1.compiler.parse(source, {
- filename,
- sourceMap,
- });
- const asCustomElement = typeof options.customElement === 'boolean'
- ? options.customElement
- : (options.customElement || /\.ce\.vue$/).test(filename);
- // cache descriptor
- (0, descriptorCache_1.setDescriptor)(filename, descriptor);
- if (errors.length) {
- errors.forEach((err) => {
- (0, formatError_1.formatError)(err, source, resourcePath);
- loaderContext.emitError(err);
- });
- return ``;
- }
- // module id for scoped CSS & hot-reload
- const rawShortFilePath = path
- .relative(rootContext || process.cwd(), filename)
- .replace(/^(\.\.[\/\\])+/, '');
- const shortFilePath = rawShortFilePath.replace(/\\/g, '/');
- const id = hash(isProduction
- ? shortFilePath + '\n' + source.replace(/\r\n/g, '\n')
- : shortFilePath);
- // if the query has a type field, this is a language block request
- // e.g. foo.vue?type=template&id=xxxxx
- // and we will return early
- if (incomingQuery.type) {
- return (0, select_1.selectBlock)(descriptor, id, options, loaderContext, incomingQuery, !!options.appendExtension);
- }
- // feature information
- const hasScoped = descriptor.styles.some((s) => s.scoped);
- const needsHotReload = !isServer &&
- !isProduction &&
- !!(descriptor.script || descriptor.scriptSetup || descriptor.template) &&
- options.hotReload !== false;
- // extra properties to attach to the script object
- // we need to do this in a tree-shaking friendly manner
- const propsToAttach = [];
- // script
- let scriptImport = `const script = {}`;
- let isTS = false;
- const { script, scriptSetup } = descriptor;
- if (script || scriptSetup) {
- const lang = (script === null || script === void 0 ? void 0 : script.lang) || (scriptSetup === null || scriptSetup === void 0 ? void 0 : scriptSetup.lang);
- isTS = !!(lang && /tsx?/.test(lang));
- const src = (script && !scriptSetup && script.src) || resourcePath;
- const attrsQuery = attrsToQuery((scriptSetup || script).attrs, 'js');
- const query = `?vue&type=script${attrsQuery}${resourceQuery}`;
- const scriptRequest = stringifyRequest(src + query);
- scriptImport =
- `import script from ${scriptRequest}\n` +
- // support named exports
- `export * from ${scriptRequest}`;
- }
- // template
- let templateImport = ``;
- let templateRequest;
- const renderFnName = isServer ? `ssrRender` : `render`;
- const useInlineTemplate = (0, resolveScript_1.canInlineTemplate)(descriptor, isProduction);
- if (descriptor.template && !useInlineTemplate) {
- const src = descriptor.template.src || resourcePath;
- const idQuery = `&id=${id}`;
- const scopedQuery = hasScoped ? `&scoped=true` : ``;
- const attrsQuery = attrsToQuery(descriptor.template.attrs);
- const tsQuery = options.enableTsInTemplate !== false && isTS ? `&ts=true` : ``;
- const query = `?vue&type=template${idQuery}${scopedQuery}${tsQuery}${attrsQuery}${resourceQuery}`;
- templateRequest = stringifyRequest(src + query);
- templateImport = `import { ${renderFnName} } from ${templateRequest}`;
- propsToAttach.push([renderFnName, renderFnName]);
- }
- // styles
- let stylesCode = ``;
- let hasCSSModules = false;
- const nonWhitespaceRE = /\S+/;
- if (descriptor.styles.length) {
- descriptor.styles
- .filter((style) => style.src || nonWhitespaceRE.test(style.content))
- .forEach((style, i) => {
- const src = style.src || resourcePath;
- const attrsQuery = attrsToQuery(style.attrs, 'css');
- // make sure to only pass id when necessary so that we don't inject
- // duplicate tags when multiple components import the same css file
- const idQuery = !style.src || style.scoped ? `&id=${id}` : ``;
- const inlineQuery = asCustomElement ? `&inline` : ``;
- const query = `?vue&type=style&index=${i}${idQuery}${inlineQuery}${attrsQuery}${resourceQuery}`;
- const styleRequest = stringifyRequest(src + query);
- if (style.module) {
- if (asCustomElement) {
- loaderContext.emitError(`<style module> is not supported in custom element mode.`);
- }
- if (!hasCSSModules) {
- stylesCode += `\nconst cssModules = {}`;
- propsToAttach.push([`__cssModules`, `cssModules`]);
- hasCSSModules = true;
- }
- stylesCode += (0, cssModules_1.genCSSModulesCode)(id, i, styleRequest, style.module, needsHotReload);
- }
- else {
- if (asCustomElement) {
- stylesCode += `\nimport _style_${i} from ${styleRequest}`;
- }
- else {
- stylesCode += `\nimport ${styleRequest}`;
- }
- }
- // TODO SSR critical CSS collection
- });
- if (asCustomElement) {
- propsToAttach.push([
- `styles`,
- `[${descriptor.styles.map((_, i) => `_style_${i}`)}]`,
- ]);
- }
- }
- let code = [templateImport, scriptImport, stylesCode]
- .filter(Boolean)
- .join('\n');
- // attach scope Id for runtime use
- if (hasScoped) {
- propsToAttach.push([`__scopeId`, `"data-v-${id}"`]);
- }
- // Expose filename. This is used by the devtools and Vue runtime warnings.
- if (!isProduction) {
- // Expose the file's full path in development, so that it can be opened
- // from the devtools.
- propsToAttach.push([
- `__file`,
- JSON.stringify(rawShortFilePath.replace(/\\/g, '/')),
- ]);
- }
- else if (options.exposeFilename) {
- // Libraries can opt-in to expose their components' filenames in production builds.
- // For security reasons, only expose the file's basename in production.
- propsToAttach.push([`__file`, JSON.stringify(path.basename(resourcePath))]);
- }
- // custom blocks
- if (descriptor.customBlocks && descriptor.customBlocks.length) {
- code += `\n/* custom blocks */\n`;
- code +=
- descriptor.customBlocks
- .map((block, i) => {
- const src = block.attrs.src || resourcePath;
- const attrsQuery = attrsToQuery(block.attrs);
- const blockTypeQuery = `&blockType=${qs.escape(block.type)}`;
- const issuerQuery = block.attrs.src
- ? `&issuerPath=${qs.escape(resourcePath)}`
- : '';
- const query = `?vue&type=custom&index=${i}${blockTypeQuery}${issuerQuery}${attrsQuery}${resourceQuery}`;
- return (`import block${i} from ${stringifyRequest(src + query)}\n` +
- `if (typeof block${i} === 'function') block${i}(script)`);
- })
- .join(`\n`) + `\n`;
- }
- // finalize
- if (!propsToAttach.length) {
- code += `\n\nconst __exports__ = script;`;
- }
- else {
- code += `\n\nimport exportComponent from ${exportHelperPath}`;
- code += `\nconst __exports__ = /*#__PURE__*/exportComponent(script, [${propsToAttach
- .map(([key, val]) => `['${key}',${val}]`)
- .join(',')}])`;
- }
- if (needsHotReload) {
- code += (0, hotReload_1.genHotReloadCode)(id, templateRequest);
- }
- code += `\n\nexport default __exports__`;
- return code;
- }
- exports.default = loader;
- // these are built-in query parameters so should be ignored
- // if the user happen to add them as attrs
- const ignoreList = ['id', 'index', 'src', 'type'];
- function attrsToQuery(attrs, langFallback) {
- let query = ``;
- for (const name in attrs) {
- const value = attrs[name];
- if (!ignoreList.includes(name)) {
- query += `&${qs.escape(name)}=${value ? qs.escape(String(value)) : ``}`;
- }
- }
- if (langFallback && !(`lang` in attrs)) {
- query += `&lang=${langFallback}`;
- }
- return query;
- }
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