啊鑫
7 天以前 fca192d3c38c5dcfbb6ace8bc71d6078f6a079b2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
 
"use strict";
 
const DelegatedModule = require("./DelegatedModule");
 
/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptions} DllReferencePluginOptions */
/** @typedef {import("../declarations/plugins/DllReferencePlugin").DllReferencePluginOptionsContent} DllReferencePluginOptionsContent */
/** @typedef {import("./DelegatedModule").DelegatedModuleSourceRequest} DelegatedModuleSourceRequest */
/** @typedef {import("./DelegatedModule").DelegatedModuleType} DelegatedModuleType */
/** @typedef {import("./NormalModuleFactory")} NormalModuleFactory */
/** @typedef {import("./util/identifier").AssociatedObjectForCache} AssociatedObjectForCache */
 
/**
 * @typedef {object} Options
 * @property {DelegatedModuleSourceRequest} source source
 * @property {NonNullable<DllReferencePluginOptions["context"]>} context absolute context path to which lib ident is relative to
 * @property {DllReferencePluginOptionsContent} content content
 * @property {DllReferencePluginOptions["type"]} type type
 * @property {DllReferencePluginOptions["extensions"]} extensions extensions
 * @property {DllReferencePluginOptions["scope"]} scope scope
 * @property {AssociatedObjectForCache=} associatedObjectForCache object for caching
 */
 
class DelegatedModuleFactoryPlugin {
    /**
     * @param {Options} options options
     */
    constructor(options) {
        this.options = options;
        options.type = options.type || "require";
        options.extensions = options.extensions || ["", ".js", ".json", ".wasm"];
    }
 
    /**
     * @param {NormalModuleFactory} normalModuleFactory the normal module factory
     * @returns {void}
     */
    apply(normalModuleFactory) {
        const scope = this.options.scope;
        if (scope) {
            normalModuleFactory.hooks.factorize.tapAsync(
                "DelegatedModuleFactoryPlugin",
                (data, callback) => {
                    const [dependency] = data.dependencies;
                    const { request } = dependency;
                    if (request && request.startsWith(`${scope}/`)) {
                        const innerRequest = `.${request.slice(scope.length)}`;
                        let resolved;
                        if (innerRequest in this.options.content) {
                            resolved = this.options.content[innerRequest];
                            return callback(
                                null,
                                new DelegatedModule(
                                    this.options.source,
                                    resolved,
                                    /** @type {DelegatedModuleType} */
                                    (this.options.type),
                                    innerRequest,
                                    request
                                )
                            );
                        }
                        const extensions =
                            /** @type {string[]} */
                            (this.options.extensions);
                        for (let i = 0; i < extensions.length; i++) {
                            const extension = extensions[i];
                            const requestPlusExt = innerRequest + extension;
                            if (requestPlusExt in this.options.content) {
                                resolved = this.options.content[requestPlusExt];
                                return callback(
                                    null,
                                    new DelegatedModule(
                                        this.options.source,
                                        resolved,
                                        /** @type {DelegatedModuleType} */
                                        (this.options.type),
                                        requestPlusExt,
                                        request + extension
                                    )
                                );
                            }
                        }
                    }
                    return callback();
                }
            );
        } else {
            normalModuleFactory.hooks.module.tap(
                "DelegatedModuleFactoryPlugin",
                module => {
                    const request = module.libIdent(this.options);
                    if (request && request in this.options.content) {
                        const resolved = this.options.content[request];
                        return new DelegatedModule(
                            this.options.source,
                            resolved,
                            /** @type {DelegatedModuleType} */
                            (this.options.type),
                            request,
                            module
                        );
                    }
                    return module;
                }
            );
        }
    }
}
module.exports = DelegatedModuleFactoryPlugin;