@mrtc0/csp-html-webpack-plugin/dist/index.js

## About

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CspHtmlWebpackPlugin = void 0;
const csp_1 = require("./csp");
const webpack_1 = __importDefault(require("webpack"));
const pluginName = "CspHtmlWebpackPlugin";
class CspHtmlWebpackPlugin {
    constructor(htmlWebpackPlugin, directiveSet) {
        this.htmlWebpackPlugin = htmlWebpackPlugin;
        this.directiveSet = directiveSet;
    }
    applyCsp(compilation, data, cb) {
        const csp = new csp_1.Csp(data.html, this.directiveSet);
        csp.refactorScriptTagsForHashSourceCSP();
        const scriptHashes = csp.getHashAllInlineScripts();
        const styleHashes = csp.getHashAllInlineStyles();
        const strictCsp = csp.generateDirectiveSet(scriptHashes, styleHashes);
        csp.addCspMetaTag(strictCsp);
        data.html = csp.getDocument().documentElement.outerHTML;
        return cb(null, data);
    }
    apply(compiler) {
        compiler.hooks.compilation.tap(pluginName, (compilation) => {
            // https://github.com/google/strict-csp/issues/48
            compilation.hooks.processAssets.intercept({
                register: (tap) => {
                    if (tap.name === "HtmlWebpackPlugin") {
                        tap.stage = webpack_1.default.Compilation.PROCESS_ASSETS_STAGE_REPORT;
                    }
                    return tap;
                },
            });
            this.htmlWebpackPlugin
                .getHooks(compilation)
                .beforeEmit.tapAsync(pluginName, (htmlWebPackPluginData, compileCallback) => {
                this.applyCsp(compilation, htmlWebPackPluginData, compileCallback);
            });
        });
    }
}
exports.CspHtmlWebpackPlugin = CspHtmlWebpackPlugin;