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index.js
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Wed, Jul 16, 15:30

index.js
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"use strict";
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.generateJSReferences = exports.generateCSSReferences = exports.generateAttributes = exports.defaultTemplate = exports.MiniHtmlWebpackPlugin = void 0;
var path_1 = __importDefault(require("path"));
var webpack_1 = __importStar(require("webpack"));
function getFiles(entrypoints, chunks) {
var ret = {};
entrypoints.forEach(function (entry) {
if (chunks && !chunks.includes(entry.name)) {
return;
}
entry.getFiles().forEach(function (file) {
var extension = path_1.default.extname(file).replace(/\./, '');
if (!ret[extension]) {
ret[extension] = [];
}
ret[extension].push(file);
});
});
return ret;
}
function generateAttributes(attributes) {
if (attributes === void 0) { attributes = {}; }
var stringAttributes = Object.entries(attributes);
if (stringAttributes.length === 0) {
return '';
}
return (' ' +
stringAttributes
.map(function (attr) {
if (attr[1] === true) {
return attr[0];
}
return attr[0] + "=\"" + attr[1] + "\"";
})
.join(' '));
}
exports.generateAttributes = generateAttributes;
function generateCSSReferences(_a) {
var _b = _a.files, files = _b === void 0 ? [] : _b, _c = _a.publicPath, publicPath = _c === void 0 ? '' : _c, _d = _a.attributes, attributes = _d === void 0 ? {} : _d;
if (!attributes) {
return '';
}
var allAttributes = __assign(__assign({}, attributes), { rel: 'rel' in attributes ? attributes.rel : 'stylesheet' });
return files
.map(function (file) {
return "<link href=\"" + publicPath + file + "\"" + generateAttributes(allAttributes) + ">";
})
.join('');
}
exports.generateCSSReferences = generateCSSReferences;
function generateJSReferences(_a) {
var _b = _a.files, files = _b === void 0 ? [] : _b, _c = _a.publicPath, publicPath = _c === void 0 ? '' : _c, _d = _a.attributes, attributes = _d === void 0 ? {} : _d;
if (!attributes) {
return '';
}
return files
.map(function (file) {
return "<script src=\"" + publicPath + file + "\"" + generateAttributes(attributes) + "></script>";
})
.join('');
}
exports.generateJSReferences = generateJSReferences;
function defaultTemplate(_a) {
var _b = _a.css, css = _b === void 0 ? [] : _b, _c = _a.js, js = _c === void 0 ? [] : _c, _d = _a.publicPath, publicPath = _d === void 0 ? '' : _d, _e = _a.title, title = _e === void 0 ? '' : _e, _f = _a.htmlAttributes, htmlAttributes = _f === void 0 ? {
lang: 'en',
} : _f, _g = _a.head, head = _g === void 0 ? '' : _g, _h = _a.body, body = _h === void 0 ? '' : _h, _j = _a.cssAttributes, cssAttributes = _j === void 0 ? {} : _j, _k = _a.jsAttributes, jsAttributes = _k === void 0 ? {} : _k;
var htmlAttrs = generateAttributes(htmlAttributes);
var cssTags = generateCSSReferences({
files: css,
attributes: cssAttributes,
publicPath: publicPath,
});
var jsTags = generateJSReferences({
files: js,
attributes: jsAttributes,
publicPath: publicPath,
});
return "<!DOCTYPE html>\n <html" + htmlAttrs + ">\n <head>\n <meta charset=\"UTF-8\">\n <title>" + title + "</title>\n " + head + cssTags + "\n </head>\n <body>\n " + body + jsTags + "\n </body>\n </html>";
}
exports.defaultTemplate = defaultTemplate;
function isWebpack4() {
return webpack_1.default.version.split('.')[0] === '4';
}
var MiniHtmlWebpackPlugin = /** @class */ (function () {
function MiniHtmlWebpackPlugin(options) {
this.options = options || {};
this.webpack4plugin = this.webpack4plugin.bind(this);
this.webpack5plugin = this.webpack5plugin.bind(this);
}
MiniHtmlWebpackPlugin.prototype.webpack4plugin = function (compilation, callback) {
var _a = this.options, _b = _a.filename, filename = _b === void 0 ? 'index.html' : _b, _c = _a.publicPath, publicPath = _c === void 0 ? '' : _c, template = _a.template, context = _a.context, chunks = _a.chunks;
var files = getFiles(compilation.entrypoints, chunks);
var options = Object.assign({}, { publicPath: publicPath }, context, files);
Promise.resolve((template || defaultTemplate)(options)).then(function (source) {
// eslint-disable-next-line @typescript-eslint/no-var-requires
var sources = require('webpack-sources');
compilation.assets[filename] = new sources.RawSource(source, true);
callback();
});
};
MiniHtmlWebpackPlugin.prototype.webpack5plugin = function (compilation) {
var _a = this.options, _b = _a.filename, filename = _b === void 0 ? 'index.html' : _b, _c = _a.publicPath, publicPath = _c === void 0 ? '' : _c, template = _a.template, context = _a.context, chunks = _a.chunks;
// TODO: Consider separating getFiles result to a structure as it can override other contents if file extension matches.
return Promise.resolve((template || defaultTemplate)(__assign(__assign({ publicPath: publicPath }, context), getFiles(compilation.entrypoints, chunks)))).then(function (source) {
// webpacks 5 exports `webpack-sources` to avoid cache problems
// eslint-disable-next-line @typescript-eslint/no-var-requires
var sources = require('webpack').sources;
compilation.emitAsset(filename, new sources.RawSource(source, true));
});
};
MiniHtmlWebpackPlugin.prototype.apply = function (compiler) {
var _this = this;
var pluginName = 'MiniHtmlWebpackPlugin';
if (isWebpack4()) {
// @ts-ignore: Ignore for webpack 4 due to different typing
compiler.hooks.emit.tapAsync(pluginName, this.webpack4plugin);
}
else {
compiler.hooks.thisCompilation.tap(pluginName, function (compilation) {
compilation.hooks.processAssets.tapPromise({
name: pluginName,
// https://github.com/webpack/webpack/blob/master/lib/Compilation.js#L3280
stage: webpack_1.Compilation.PROCESS_ASSETS_STAGE_ADDITIONAL,
}, function () { return _this.webpack5plugin(compilation); });
});
}
};
return MiniHtmlWebpackPlugin;
}());
exports.MiniHtmlWebpackPlugin = MiniHtmlWebpackPlugin;

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