mirror of https://github.com/webpack/webpack.git
115 lines
2.9 KiB
JavaScript
115 lines
2.9 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Sean Larkin @thelarkinn
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*/
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"use strict";
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const AssetsOverSizeLimitWarning = require("./AssetsOverSizeLimitWarning");
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const EntrypointsOverSizeLimitWarning = require("./EntrypointsOverSizeLimitWarning");
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const NoAsyncChunksWarning = require("./NoAsyncChunksWarning");
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const isOverSizeLimitSet = new WeakSet();
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module.exports = class SizeLimitsPlugin {
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constructor(options) {
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this.hints = options.hints;
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this.maxAssetSize = options.maxAssetSize;
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this.maxEntrypointSize = options.maxEntrypointSize;
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this.assetFilter = options.assetFilter;
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}
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static isOverSizeLimit(thing) {
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return isOverSizeLimitSet.has(thing);
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}
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apply(compiler) {
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const entrypointSizeLimit = this.maxEntrypointSize;
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const assetSizeLimit = this.maxAssetSize;
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const hints = this.hints;
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const assetFilter = this.assetFilter || (asset => !asset.endsWith(".map"));
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compiler.hooks.afterEmit.tap("SizeLimitsPlugin", compilation => {
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const warnings = [];
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const getEntrypointSize = entrypoint =>
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entrypoint.getFiles().reduce((currentSize, file) => {
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if (assetFilter(file) && compilation.assets[file]) {
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return currentSize + compilation.assets[file].size();
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}
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return currentSize;
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}, 0);
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const assetsOverSizeLimit = [];
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for (const assetName of Object.keys(compilation.assets)) {
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if (!assetFilter(assetName)) {
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continue;
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}
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const asset = compilation.assets[assetName];
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const size = asset.size();
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if (size > assetSizeLimit) {
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assetsOverSizeLimit.push({
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name: assetName,
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size: size
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});
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isOverSizeLimitSet.add(asset);
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}
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}
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const entrypointsOverLimit = [];
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for (const pair of compilation.entrypoints) {
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const name = pair[0];
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const entry = pair[1];
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const size = getEntrypointSize(entry);
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if (size > entrypointSizeLimit) {
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entrypointsOverLimit.push({
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name: name,
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size: size,
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files: entry.getFiles().filter(assetFilter)
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});
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isOverSizeLimitSet.add(entry);
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}
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}
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if (hints) {
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// 1. Individual Chunk: Size < 250kb
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// 2. Collective Initial Chunks [entrypoint] (Each Set?): Size < 250kb
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// 3. No Async Chunks
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// if !1, then 2, if !2 return
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if (assetsOverSizeLimit.length > 0) {
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warnings.push(
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new AssetsOverSizeLimitWarning(assetsOverSizeLimit, assetSizeLimit)
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);
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}
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if (entrypointsOverLimit.length > 0) {
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warnings.push(
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new EntrypointsOverSizeLimitWarning(
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entrypointsOverLimit,
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entrypointSizeLimit
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)
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);
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}
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if (warnings.length > 0) {
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const hasAsyncChunks =
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compilation.chunks.filter(chunk => !chunk.canBeInitial()).length >
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0;
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if (!hasAsyncChunks) {
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warnings.push(new NoAsyncChunksWarning());
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}
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if (hints === "error") {
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compilation.errors.push(...warnings);
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} else {
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compilation.warnings.push(...warnings);
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}
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}
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}
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});
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}
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};
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