1 | 'use strict';
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2 |
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3 | const mime = require('mime');
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4 | const createContext = require('./lib/context');
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5 | const middleware = require('./lib/middleware');
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6 | const reporter = require('./lib/reporter');
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7 | const { getFilenameFromUrl, noop, ready, setFs } = require('./lib/util');
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8 |
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9 | require('loud-rejection/register');
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10 |
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11 | const defaults = {
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12 | logLevel: 'info',
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13 | logTime: false,
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14 | logger: null,
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15 | mimeTypes: null,
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16 | reporter,
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17 | stats: {
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18 | context: process.cwd()
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19 | },
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20 | watchOptions: {
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21 | aggregateTimeout: 200
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22 | }
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23 | };
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24 |
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25 | module.exports = function wdm(compiler, opts) {
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26 | const options = Object.assign({}, defaults, opts);
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27 |
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28 | if (options.lazy) {
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29 | if (typeof options.filename === 'string') {
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30 | const filename = options.filename
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31 | .replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&')
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32 | .replace(/\\\[[a-z]+\\\]/ig, '.+');
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33 |
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34 | options.filename = new RegExp(`^[/]{0,1}${filename}$`);
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35 | }
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36 | }
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37 |
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38 |
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39 | if (options.mimeTypes) {
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40 | mime.define(options.mimeTypes);
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41 | }
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42 |
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43 | const context = createContext(compiler, options);
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44 |
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45 |
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46 | if (!options.lazy) {
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47 | const watching = compiler.watch(options.watchOptions, (err) => {
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48 | if (err) {
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49 | context.log.error(err.stack || err);
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50 | if (err.details) {
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51 | context.log.error(err.details);
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52 | }
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53 | }
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54 | });
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55 |
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56 | context.watching = watching;
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57 | } else {
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58 | context.state = true;
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59 | }
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60 |
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61 | setFs(context, compiler);
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62 |
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63 | return Object.assign(middleware(context), {
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64 | close(callback) {
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65 | callback = callback || noop;
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66 |
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67 | if (context.watching) {
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68 | context.watching.close(callback);
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69 | } else {
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70 | callback();
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71 | }
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72 | },
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73 |
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74 | context,
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75 |
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76 | fileSystem: context.fs,
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77 |
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78 | getFilenameFromUrl: getFilenameFromUrl.bind(this, context.options.publicPath, context.compiler),
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79 |
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80 | invalidate(callback) {
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81 | callback = callback || noop;
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82 | if (context.watching) {
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83 | ready(context, callback, {});
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84 | context.watching.invalidate();
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85 | } else {
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86 | callback();
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87 | }
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88 | },
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89 |
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90 | waitUntilValid(callback) {
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91 | callback = callback || noop;
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92 | ready(context, callback, {});
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93 | }
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94 | });
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95 | };
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