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
/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
 
"use strict";
 
const RawModule = require("./RawModule");
const EntryDependency = require("./dependencies/EntryDependency");
const createSchemaValidation = require("./util/create-schema-validation");
 
/** @typedef {import("../declarations/plugins/IgnorePlugin").IgnorePluginOptions} IgnorePluginOptions */
/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./NormalModuleFactory").ResolveData} ResolveData */
 
const validate = createSchemaValidation(
    require("../schemas/plugins/IgnorePlugin.check.js"),
    () => require("../schemas/plugins/IgnorePlugin.json"),
    {
        name: "Ignore Plugin",
        baseDataPath: "options"
    }
);
 
const PLUGIN_NAME = "IgnorePlugin";
 
class IgnorePlugin {
    /**
     * @param {IgnorePluginOptions} options IgnorePlugin options
     */
    constructor(options) {
        validate(options);
        this.options = options;
        this.checkIgnore = this.checkIgnore.bind(this);
    }
 
    /**
     * Note that if "contextRegExp" is given, both the "resourceRegExp" and "contextRegExp" have to match.
     * @param {ResolveData} resolveData resolve data
     * @returns {false|undefined} returns false when the request should be ignored, otherwise undefined
     */
    checkIgnore(resolveData) {
        if (
            "checkResource" in this.options &&
            this.options.checkResource &&
            this.options.checkResource(resolveData.request, resolveData.context)
        ) {
            return false;
        }
 
        if (
            "resourceRegExp" in this.options &&
            this.options.resourceRegExp &&
            this.options.resourceRegExp.test(resolveData.request)
        ) {
            if ("contextRegExp" in this.options && this.options.contextRegExp) {
                // if "contextRegExp" is given,
                // both the "resourceRegExp" and "contextRegExp" have to match.
                if (this.options.contextRegExp.test(resolveData.context)) {
                    return false;
                }
            } else {
                return false;
            }
        }
    }
 
    /**
     * Apply the plugin
     * @param {Compiler} compiler the compiler instance
     * @returns {void}
     */
    apply(compiler) {
        compiler.hooks.normalModuleFactory.tap(PLUGIN_NAME, nmf => {
            nmf.hooks.beforeResolve.tap(PLUGIN_NAME, resolveData => {
                const result = this.checkIgnore(resolveData);
 
                if (
                    result === false &&
                    resolveData.dependencies.length > 0 &&
                    resolveData.dependencies[0] instanceof EntryDependency
                ) {
                    resolveData.ignoredModule = new RawModule(
                        "",
                        "ignored-entry-module",
                        "(ignored-entry-module)"
                    );
                }
 
                return result;
            });
        });
        compiler.hooks.contextModuleFactory.tap(PLUGIN_NAME, cmf => {
            cmf.hooks.beforeResolve.tap(PLUGIN_NAME, this.checkIgnore);
        });
    }
}
 
module.exports = IgnorePlugin;