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4 years ago
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Sean Larkin @thelarkinn
*/
"use strict";
const EntrypointsOverSizeLimitWarning = require("./EntrypointsOverSizeLimitWarning");
const AssetsOverSizeLimitWarning = require("./AssetsOverSizeLimitWarning");
const NoAsyncChunksWarning = require("./NoAsyncChunksWarning");
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../Entrypoint")} Entrypoint */
module.exports = class SizeLimitsPlugin {
constructor(options) {
this.hints = options.hints;
this.maxAssetSize = options.maxAssetSize;
this.maxEntrypointSize = options.maxEntrypointSize;
this.assetFilter = options.assetFilter;
}
/**
* @param {Compiler} compiler webpack compiler
* @returns {void}
*/
apply(compiler) {
const entrypointSizeLimit = this.maxEntrypointSize;
const assetSizeLimit = this.maxAssetSize;
const hints = this.hints;
const assetFilter =
this.assetFilter || ((name, source, info) => !info.development);
compiler.hooks.afterEmit.tap("SizeLimitsPlugin", compilation => {
const warnings = [];
/**
* @param {Entrypoint} entrypoint an entrypoint
* @returns {number} the size of the entrypoint
*/
const getEntrypointSize = entrypoint =>
entrypoint.getFiles().reduce((currentSize, file) => {
const asset = compilation.getAsset(file);
if (
asset &&
assetFilter(asset.name, asset.source, asset.info) &&
asset.source
) {
return currentSize + (asset.info.size || asset.source.size());
}
return currentSize;
}, 0);
const assetsOverSizeLimit = [];
for (const { name, source, info } of compilation.getAssets()) {
if (!assetFilter(name, source, info) || !source) {
continue;
}
const size = info.size || source.size();
if (size > assetSizeLimit) {
assetsOverSizeLimit.push({
name,
size
});
/** @type {any} */ (source).isOverSizeLimit = true;
}
}
const fileFilter = name => {
const asset = compilation.getAsset(name);
return asset && assetFilter(asset.name, asset.source, asset.info);
};
const entrypointsOverLimit = [];
for (const [name, entry] of compilation.entrypoints) {
const size = getEntrypointSize(entry);
if (size > entrypointSizeLimit) {
entrypointsOverLimit.push({
name: name,
size: size,
files: entry.getFiles().filter(fileFilter)
});
/** @type {any} */ (entry).isOverSizeLimit = true;
}
}
if (hints) {
// 1. Individual Chunk: Size < 250kb
// 2. Collective Initial Chunks [entrypoint] (Each Set?): Size < 250kb
// 3. No Async Chunks
// if !1, then 2, if !2 return
if (assetsOverSizeLimit.length > 0) {
warnings.push(
new AssetsOverSizeLimitWarning(assetsOverSizeLimit, assetSizeLimit)
);
}
if (entrypointsOverLimit.length > 0) {
warnings.push(
new EntrypointsOverSizeLimitWarning(
entrypointsOverLimit,
entrypointSizeLimit
)
);
}
if (warnings.length > 0) {
const hasAsyncChunks =
compilation.chunks.filter(chunk => !chunk.canBeInitial()).length >
0;
if (!hasAsyncChunks) {
warnings.push(new NoAsyncChunksWarning());
}
if (hints === "error") {
compilation.errors.push(...warnings);
} else {
compilation.warnings.push(...warnings);
}
}
}
});
}
};