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109 lines
2.4 KiB
109 lines
2.4 KiB
4 years ago
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'use strict';
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const mime = require('mime');
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const createContext = require('./lib/context');
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const middleware = require('./lib/middleware');
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const reporter = require('./lib/reporter');
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const { setFs, toDisk } = require('./lib/fs');
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const { getFilenameFromUrl, noop, ready } = require('./lib/util');
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const defaults = {
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logLevel: 'info',
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logTime: false,
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logger: null,
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mimeTypes: null,
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reporter,
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stats: {
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colors: true,
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context: process.cwd(),
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},
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watchOptions: {
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aggregateTimeout: 200,
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},
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writeToDisk: false,
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};
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module.exports = function wdm(compiler, opts) {
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const options = Object.assign({}, defaults, opts);
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// defining custom MIME type
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if (options.mimeTypes) {
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const typeMap = options.mimeTypes.typeMap || options.mimeTypes;
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const force = !!options.mimeTypes.force;
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mime.define(typeMap, force);
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}
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const context = createContext(compiler, options);
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// start watching
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if (!options.lazy) {
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context.watching = compiler.watch(options.watchOptions, (err) => {
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if (err) {
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context.log.error(err.stack || err);
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if (err.details) {
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context.log.error(err.details);
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}
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}
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});
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} else {
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if (typeof options.filename === 'string') {
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const filename = options.filename
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.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&') // eslint-disable-line no-useless-escape
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.replace(/\\\[[a-z]+\\\]/gi, '.+');
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options.filename = new RegExp(`^[/]{0,1}${filename}$`);
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}
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context.state = true;
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}
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if (options.writeToDisk) {
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toDisk(context);
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}
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setFs(context, compiler);
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return Object.assign(middleware(context), {
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close(callback) {
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// eslint-disable-next-line no-param-reassign
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callback = callback || noop;
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if (context.watching) {
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context.watching.close(callback);
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} else {
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callback();
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}
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},
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context,
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fileSystem: context.fs,
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getFilenameFromUrl: getFilenameFromUrl.bind(
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this,
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context.options.publicPath,
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context.compiler
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),
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invalidate(callback) {
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// eslint-disable-next-line no-param-reassign
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callback = callback || noop;
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if (context.watching) {
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ready(context, callback, {});
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context.watching.invalidate();
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} else {
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callback();
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}
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},
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waitUntilValid(callback) {
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// eslint-disable-next-line no-param-reassign
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callback = callback || noop;
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ready(context, callback, {});
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},
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});
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};
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