wallet-core/node_modules/webpack/lib/Stats.js
2017-05-24 15:11:17 +02:00

896 lines
26 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const RequestShortener = require("./RequestShortener");
const SizeFormatHelpers = require("./SizeFormatHelpers");
const formatLocation = require("./formatLocation");
const optionOrFallback = (optionValue, fallbackValue) => optionValue !== undefined ? optionValue : fallbackValue;
class Stats {
constructor(compilation) {
this.compilation = compilation;
this.hash = compilation.hash;
}
static filterWarnings(warnings, warningsFilter) {
// we dont have anything to filter so all warnings can be shown
if(!warningsFilter) {
return warnings;
}
// create a chain of filters
// if they return "true" a warning should be surpressed
const normalizedWarningsFilters = [].concat(warningsFilter).map(filter => {
if(typeof filter === "string") {
return warning => warning.indexOf(filter) > -1;
}
if(filter instanceof RegExp) {
return warning => filter.test(warning);
}
if(typeof filter === "function") {
return filter;
}
throw new Error(`Can only filter warnings with Strings or RegExps. (Given: ${filter})`);
});
return warnings.filter(warning => {
return !normalizedWarningsFilters.some(check => check(warning));
});
}
hasWarnings() {
return this.compilation.warnings.length > 0;
}
hasErrors() {
return this.compilation.errors.length > 0;
}
// remove a prefixed "!" that can be specified to reverse sort order
normalizeFieldKey(field) {
if(field[0] === "!") {
return field.substr(1);
}
return field;
}
// if a field is prefixed by a "!" reverse sort order
sortOrderRegular(field) {
if(field[0] === "!") {
return false;
}
return true;
}
toJson(options, forToString) {
if(typeof options === "boolean" || typeof options === "string") {
options = Stats.presetToOptions(options);
} else if(!options) {
options = {};
}
const compilation = this.compilation;
const requestShortener = new RequestShortener(optionOrFallback(options.context, process.cwd()));
const showPerformance = optionOrFallback(options.performance, true);
const showHash = optionOrFallback(options.hash, true);
const showVersion = optionOrFallback(options.version, true);
const showTimings = optionOrFallback(options.timings, true);
const showAssets = optionOrFallback(options.assets, true);
const showEntrypoints = optionOrFallback(options.entrypoints, !forToString);
const showChunks = optionOrFallback(options.chunks, true);
const showChunkModules = optionOrFallback(options.chunkModules, !!forToString);
const showChunkOrigins = optionOrFallback(options.chunkOrigins, !forToString);
const showModules = optionOrFallback(options.modules, !forToString);
const showDepth = optionOrFallback(options.depth, !forToString);
const showCachedModules = optionOrFallback(options.cached, true);
const showCachedAssets = optionOrFallback(options.cachedAssets, true);
const showReasons = optionOrFallback(options.reasons, !forToString);
const showUsedExports = optionOrFallback(options.usedExports, !forToString);
const showProvidedExports = optionOrFallback(options.providedExports, !forToString);
const showChildren = optionOrFallback(options.children, true);
const showSource = optionOrFallback(options.source, !forToString);
const showModuleTrace = optionOrFallback(options.moduleTrace, true);
const showErrors = optionOrFallback(options.errors, true);
const showErrorDetails = optionOrFallback(options.errorDetails, !forToString);
const showWarnings = optionOrFallback(options.warnings, true);
const warningsFilter = optionOrFallback(options.warningsFilter, null);
const showPublicPath = optionOrFallback(options.publicPath, !forToString);
const excludeModules = [].concat(optionOrFallback(options.exclude, [])).map(str => {
if(typeof str !== "string") return str;
return new RegExp(`[\\\\/]${str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&")}([\\\\/]|$|!|\\?)`);
});
const maxModules = optionOrFallback(options.maxModules, forToString ? 15 : Infinity);
const sortModules = optionOrFallback(options.modulesSort, "id");
const sortChunks = optionOrFallback(options.chunksSort, "id");
const sortAssets = optionOrFallback(options.assetsSort, "");
const createModuleFilter = () => {
let i = 0;
return module => {
if(!showCachedModules && !module.built) {
return false;
}
if(excludeModules.length > 0) {
const ident = requestShortener.shorten(module.resource);
const excluded = excludeModules.some(regExp => regExp.test(ident));
if(excluded)
return false;
}
return i++ < maxModules;
};
};
const sortByFieldAndOrder = (fieldKey, a, b) => {
if(a[fieldKey] === null && b[fieldKey] === null) return 0;
if(a[fieldKey] === null) return 1;
if(b[fieldKey] === null) return -1;
if(a[fieldKey] === b[fieldKey]) return 0;
return a[fieldKey] < b[fieldKey] ? -1 : 1;
};
const sortByField = (field) => (a, b) => {
if(!field) {
return 0;
}
const fieldKey = this.normalizeFieldKey(field);
// if a field is prefixed with a "!" the sort is reversed!
const sortIsRegular = this.sortOrderRegular(field);
return sortByFieldAndOrder(fieldKey, sortIsRegular ? a : b, sortIsRegular ? b : a);
};
const formatError = (e) => {
let text = "";
if(typeof e === "string")
e = {
message: e
};
if(e.chunk) {
text += `chunk ${e.chunk.name || e.chunk.id}${e.chunk.hasRuntime() ? " [entry]" : e.chunk.isInitial() ? " [initial]" : ""}\n`;
}
if(e.file) {
text += `${e.file}\n`;
}
if(e.module && e.module.readableIdentifier && typeof e.module.readableIdentifier === "function") {
text += `${e.module.readableIdentifier(requestShortener)}\n`;
}
text += e.message;
if(showErrorDetails && e.details) text += `\n${e.details}`;
if(showErrorDetails && e.missing) text += e.missing.map(item => `\n[${item}]`).join("");
if(showModuleTrace && e.dependencies && e.origin) {
text += `\n @ ${e.origin.readableIdentifier(requestShortener)}`;
e.dependencies.forEach(dep => {
if(!dep.loc) return;
if(typeof dep.loc === "string") return;
const locInfo = formatLocation(dep.loc);
if(!locInfo) return;
text += ` ${locInfo}`;
});
let current = e.origin;
while(current.issuer) {
current = current.issuer;
text += `\n @ ${current.readableIdentifier(requestShortener)}`;
}
}
return text;
};
const obj = {
errors: compilation.errors.map(formatError),
warnings: Stats.filterWarnings(compilation.warnings.map(formatError), warningsFilter)
};
//We just hint other renderers since actually omitting
//errors/warnings from the JSON would be kind of weird.
Object.defineProperty(obj, "_showWarnings", {
value: showWarnings,
enumerable: false
});
Object.defineProperty(obj, "_showErrors", {
value: showErrors,
enumerable: false
});
if(showVersion) {
obj.version = require("../package.json").version;
}
if(showHash) obj.hash = this.hash;
if(showTimings && this.startTime && this.endTime) {
obj.time = this.endTime - this.startTime;
}
if(compilation.needAdditionalPass) {
obj.needAdditionalPass = true;
}
if(showPublicPath) {
obj.publicPath = this.compilation.mainTemplate.getPublicPath({
hash: this.compilation.hash
});
}
if(showAssets) {
const assetsByFile = {};
obj.assetsByChunkName = {};
obj.assets = Object.keys(compilation.assets).map(asset => {
const obj = {
name: asset,
size: compilation.assets[asset].size(),
chunks: [],
chunkNames: [],
emitted: compilation.assets[asset].emitted
};
if(showPerformance) {
obj.isOverSizeLimit = compilation.assets[asset].isOverSizeLimit;
}
assetsByFile[asset] = obj;
return obj;
}).filter(asset => showCachedAssets || asset.emitted);
compilation.chunks.forEach(chunk => {
chunk.files.forEach(asset => {
if(assetsByFile[asset]) {
chunk.ids.forEach(id => {
assetsByFile[asset].chunks.push(id);
});
if(chunk.name) {
assetsByFile[asset].chunkNames.push(chunk.name);
if(obj.assetsByChunkName[chunk.name])
obj.assetsByChunkName[chunk.name] = [].concat(obj.assetsByChunkName[chunk.name]).concat([asset]);
else
obj.assetsByChunkName[chunk.name] = asset;
}
}
});
});
obj.assets.sort(sortByField(sortAssets));
}
if(showEntrypoints) {
obj.entrypoints = {};
Object.keys(compilation.entrypoints).forEach(name => {
const ep = compilation.entrypoints[name];
obj.entrypoints[name] = {
chunks: ep.chunks.map(c => c.id),
assets: ep.chunks.reduce((array, c) => array.concat(c.files || []), [])
};
if(showPerformance) {
obj.entrypoints[name].isOverSizeLimit = ep.isOverSizeLimit;
}
});
}
function fnModule(module) {
const obj = {
id: module.id,
identifier: module.identifier(),
name: module.readableIdentifier(requestShortener),
index: module.index,
index2: module.index2,
size: module.size(),
cacheable: !!module.cacheable,
built: !!module.built,
optional: !!module.optional,
prefetched: !!module.prefetched,
chunks: module.chunks.map(chunk => chunk.id),
assets: Object.keys(module.assets || {}),
issuer: module.issuer && module.issuer.identifier(),
issuerId: module.issuer && module.issuer.id,
issuerName: module.issuer && module.issuer.readableIdentifier(requestShortener),
profile: module.profile,
failed: !!module.error,
errors: module.errors && module.dependenciesErrors && (module.errors.length + module.dependenciesErrors.length),
warnings: module.errors && module.dependenciesErrors && (module.warnings.length + module.dependenciesWarnings.length)
};
if(showReasons) {
obj.reasons = module.reasons.filter(reason => reason.dependency && reason.module).map(reason => {
const obj = {
moduleId: reason.module.id,
moduleIdentifier: reason.module.identifier(),
module: reason.module.readableIdentifier(requestShortener),
moduleName: reason.module.readableIdentifier(requestShortener),
type: reason.dependency.type,
userRequest: reason.dependency.userRequest
};
const locInfo = formatLocation(reason.dependency.loc);
if(locInfo) obj.loc = locInfo;
return obj;
}).sort((a, b) => a.moduleId - b.moduleId);
}
if(showUsedExports) {
obj.usedExports = module.used ? module.usedExports : false;
}
if(showProvidedExports) {
obj.providedExports = Array.isArray(module.providedExports) ? module.providedExports : null;
}
if(showDepth) {
obj.depth = module.depth;
}
if(showSource && module._source) {
obj.source = module._source.source();
}
return obj;
}
if(showChunks) {
obj.chunks = compilation.chunks.map(chunk => {
const obj = {
id: chunk.id,
rendered: chunk.rendered,
initial: chunk.isInitial(),
entry: chunk.hasRuntime(),
recorded: chunk.recorded,
extraAsync: !!chunk.extraAsync,
size: chunk.modules.reduce((size, module) => size + module.size(), 0),
names: chunk.name ? [chunk.name] : [],
files: chunk.files.slice(),
hash: chunk.renderedHash,
parents: chunk.parents.map(c => c.id)
};
if(showChunkModules) {
obj.modules = chunk.modules
.slice()
.sort(sortByField("depth"))
.filter(createModuleFilter())
.map(fnModule);
obj.filteredModules = chunk.modules.length - obj.modules.length;
obj.modules.sort(sortByField(sortModules));
}
if(showChunkOrigins) {
obj.origins = chunk.origins.map(origin => ({
moduleId: origin.module ? origin.module.id : undefined,
module: origin.module ? origin.module.identifier() : "",
moduleIdentifier: origin.module ? origin.module.identifier() : "",
moduleName: origin.module ? origin.module.readableIdentifier(requestShortener) : "",
loc: formatLocation(origin.loc),
name: origin.name,
reasons: origin.reasons || []
}));
}
return obj;
});
obj.chunks.sort(sortByField(sortChunks));
}
if(showModules) {
obj.modules = compilation.modules
.slice()
.sort(sortByField("depth"))
.filter(createModuleFilter())
.map(fnModule);
obj.filteredModules = compilation.modules.length - obj.modules.length;
obj.modules.sort(sortByField(sortModules));
}
if(showChildren) {
obj.children = compilation.children.map((child, idx) => {
const childOptions = Stats.getChildOptions(options, idx);
const obj = new Stats(child).toJson(childOptions, forToString);
delete obj.hash;
delete obj.version;
obj.name = child.name;
return obj;
});
}
return obj;
}
toString(options) {
if(typeof options === "boolean" || typeof options === "string") {
options = Stats.presetToOptions(options);
} else if(!options) {
options = {};
}
const useColors = optionOrFallback(options.colors, false);
const obj = this.toJson(options, true);
return Stats.jsonToString(obj, useColors);
}
static jsonToString(obj, useColors) {
const buf = [];
const defaultColors = {
bold: "\u001b[1m",
yellow: "\u001b[1m\u001b[33m",
red: "\u001b[1m\u001b[31m",
green: "\u001b[1m\u001b[32m",
cyan: "\u001b[1m\u001b[36m",
magenta: "\u001b[1m\u001b[35m"
};
const colors = Object.keys(defaultColors).reduce((obj, color) => {
obj[color] = str => {
if(useColors) {
buf.push(
(useColors === true || useColors[color] === undefined) ?
defaultColors[color] : useColors[color]
);
}
buf.push(str);
if(useColors) {
buf.push("\u001b[39m\u001b[22m");
}
};
return obj;
}, {
normal: (str) => buf.push(str)
});
const coloredTime = (time) => {
let times = [800, 400, 200, 100];
if(obj.time) {
times = [obj.time / 2, obj.time / 4, obj.time / 8, obj.time / 16];
}
if(time < times[3])
colors.normal(`${time}ms`);
else if(time < times[2])
colors.bold(`${time}ms`);
else if(time < times[1])
colors.green(`${time}ms`);
else if(time < times[0])
colors.yellow(`${time}ms`);
else
colors.red(`${time}ms`);
};
const newline = () => buf.push("\n");
const getText = (arr, row, col) => {
return arr[row][col].value;
};
const table = (array, align, splitter) => {
const rows = array.length;
const cols = array[0].length;
const colSizes = new Array(cols);
for(let col = 0; col < cols; col++)
colSizes[col] = 0;
for(let row = 0; row < rows; row++) {
for(let col = 0; col < cols; col++) {
const value = `${getText(array, row, col)}`;
if(value.length > colSizes[col]) {
colSizes[col] = value.length;
}
}
}
for(let row = 0; row < rows; row++) {
for(let col = 0; col < cols; col++) {
const format = array[row][col].color;
const value = `${getText(array, row, col)}`;
let l = value.length;
if(align[col] === "l")
format(value);
for(; l < colSizes[col] && col !== cols - 1; l++)
colors.normal(" ");
if(align[col] === "r")
format(value);
if(col + 1 < cols && colSizes[col] !== 0)
colors.normal(splitter || " ");
}
newline();
}
};
const getAssetColor = (asset, defaultColor) => {
if(asset.isOverSizeLimit) {
return colors.yellow;
}
return defaultColor;
};
if(obj.hash) {
colors.normal("Hash: ");
colors.bold(obj.hash);
newline();
}
if(obj.version) {
colors.normal("Version: webpack ");
colors.bold(obj.version);
newline();
}
if(typeof obj.time === "number") {
colors.normal("Time: ");
colors.bold(obj.time);
colors.normal("ms");
newline();
}
if(obj.publicPath) {
colors.normal("PublicPath: ");
colors.bold(obj.publicPath);
newline();
}
if(obj.assets && obj.assets.length > 0) {
const t = [
[{
value: "Asset",
color: colors.bold
}, {
value: "Size",
color: colors.bold
}, {
value: "Chunks",
color: colors.bold
}, {
value: "",
color: colors.bold
}, {
value: "",
color: colors.bold
}, {
value: "Chunk Names",
color: colors.bold
}]
];
obj.assets.forEach(asset => {
t.push([{
value: asset.name,
color: getAssetColor(asset, colors.green)
}, {
value: SizeFormatHelpers.formatSize(asset.size),
color: getAssetColor(asset, colors.normal)
}, {
value: asset.chunks.join(", "),
color: colors.bold
}, {
value: asset.emitted ? "[emitted]" : "",
color: colors.green
}, {
value: asset.isOverSizeLimit ? "[big]" : "",
color: getAssetColor(asset, colors.normal)
}, {
value: asset.chunkNames.join(", "),
color: colors.normal
}]);
});
table(t, "rrrlll");
}
if(obj.entrypoints) {
Object.keys(obj.entrypoints).forEach(name => {
const ep = obj.entrypoints[name];
colors.normal("Entrypoint ");
colors.bold(name);
if(ep.isOverSizeLimit) {
colors.normal(" ");
colors.yellow("[big]");
}
colors.normal(" =");
ep.assets.forEach(asset => {
colors.normal(" ");
colors.green(asset);
});
newline();
});
}
const modulesByIdentifier = {};
if(obj.modules) {
obj.modules.forEach(module => {
modulesByIdentifier[`$${module.identifier}`] = module;
});
} else if(obj.chunks) {
obj.chunks.forEach(chunk => {
if(chunk.modules) {
chunk.modules.forEach(module => {
modulesByIdentifier[`$${module.identifier}`] = module;
});
}
});
}
const processModuleAttributes = (module) => {
colors.normal(" ");
colors.normal(SizeFormatHelpers.formatSize(module.size));
if(module.chunks) {
module.chunks.forEach(chunk => {
colors.normal(" {");
colors.yellow(chunk);
colors.normal("}");
});
}
if(typeof module.depth === "number") {
colors.normal(` [depth ${module.depth}]`);
}
if(!module.cacheable) {
colors.red(" [not cacheable]");
}
if(module.optional) {
colors.yellow(" [optional]");
}
if(module.built) {
colors.green(" [built]");
}
if(module.prefetched) {
colors.magenta(" [prefetched]");
}
if(module.failed)
colors.red(" [failed]");
if(module.warnings)
colors.yellow(` [${module.warnings} warning${module.warnings === 1 ? "" : "s"}]`);
if(module.errors)
colors.red(` [${module.errors} error${module.errors === 1 ? "" : "s"}]`);
};
const processModuleContent = (module, prefix) => {
if(Array.isArray(module.providedExports)) {
colors.normal(prefix);
colors.cyan(`[exports: ${module.providedExports.join(", ")}]`);
newline();
}
if(module.usedExports !== undefined) {
if(module.usedExports !== true) {
colors.normal(prefix);
if(module.usedExports === false)
colors.cyan("[no exports used]");
else
colors.cyan(`[only some exports used: ${module.usedExports.join(", ")}]`);
newline();
}
}
if(module.reasons) {
module.reasons.forEach(reason => {
colors.normal(prefix);
colors.normal(reason.type);
colors.normal(" ");
colors.cyan(reason.userRequest);
colors.normal(" [");
colors.normal(reason.moduleId);
colors.normal("] ");
colors.magenta(reason.module);
if(reason.loc) {
colors.normal(" ");
colors.normal(reason.loc);
}
newline();
});
}
if(module.profile) {
colors.normal(prefix);
let sum = 0;
const path = [];
let current = module;
while(current.issuer) {
path.unshift(current = current.issuer);
}
path.forEach(module => {
colors.normal("[");
colors.normal(module.id);
colors.normal("] ");
if(module.profile) {
const time = (module.profile.factory || 0) + (module.profile.building || 0);
coloredTime(time);
sum += time;
colors.normal(" ");
}
colors.normal("->");
});
Object.keys(module.profile).forEach(key => {
colors.normal(` ${key}:`);
const time = module.profile[key];
coloredTime(time);
sum += time;
});
colors.normal(" = ");
coloredTime(sum);
newline();
}
};
if(obj.chunks) {
obj.chunks.forEach(chunk => {
colors.normal("chunk ");
if(chunk.id < 1000) colors.normal(" ");
if(chunk.id < 100) colors.normal(" ");
if(chunk.id < 10) colors.normal(" ");
colors.normal("{");
colors.yellow(chunk.id);
colors.normal("} ");
colors.green(chunk.files.join(", "));
if(chunk.names && chunk.names.length > 0) {
colors.normal(" (");
colors.normal(chunk.names.join(", "));
colors.normal(")");
}
colors.normal(" ");
colors.normal(SizeFormatHelpers.formatSize(chunk.size));
chunk.parents.forEach(id => {
colors.normal(" {");
colors.yellow(id);
colors.normal("}");
});
if(chunk.entry) {
colors.yellow(" [entry]");
} else if(chunk.initial) {
colors.yellow(" [initial]");
}
if(chunk.rendered) {
colors.green(" [rendered]");
}
if(chunk.recorded) {
colors.green(" [recorded]");
}
newline();
if(chunk.origins) {
chunk.origins.forEach(origin => {
colors.normal(" > ");
if(origin.reasons && origin.reasons.length) {
colors.yellow(origin.reasons.join(" "));
colors.normal(" ");
}
if(origin.name) {
colors.normal(origin.name);
colors.normal(" ");
}
if(origin.module) {
colors.normal("[");
colors.normal(origin.moduleId);
colors.normal("] ");
const module = modulesByIdentifier[`$${origin.module}`];
if(module) {
colors.bold(module.name);
colors.normal(" ");
}
if(origin.loc) {
colors.normal(origin.loc);
}
}
newline();
});
}
if(chunk.modules) {
chunk.modules.forEach(module => {
colors.normal(" ");
if(module.id < 1000) colors.normal(" ");
if(module.id < 100) colors.normal(" ");
if(module.id < 10) colors.normal(" ");
colors.normal("[");
colors.normal(module.id);
colors.normal("] ");
colors.bold(module.name);
processModuleAttributes(module);
newline();
processModuleContent(module, " ");
});
if(chunk.filteredModules > 0) {
colors.normal(` + ${chunk.filteredModules} hidden modules`);
newline();
}
}
});
}
if(obj.modules) {
obj.modules.forEach(module => {
if(module.id < 1000) colors.normal(" ");
if(module.id < 100) colors.normal(" ");
if(module.id < 10) colors.normal(" ");
colors.normal("[");
colors.normal(module.id);
colors.normal("] ");
colors.bold(module.name || module.identifier);
processModuleAttributes(module);
newline();
processModuleContent(module, " ");
});
if(obj.filteredModules > 0) {
colors.normal(` + ${obj.filteredModules} hidden modules`);
newline();
}
}
if(obj._showWarnings && obj.warnings) {
obj.warnings.forEach(warning => {
newline();
colors.yellow(`WARNING in ${warning}`);
newline();
});
}
if(obj._showErrors && obj.errors) {
obj.errors.forEach(error => {
newline();
colors.red(`ERROR in ${error}`);
newline();
});
}
if(obj.children) {
obj.children.forEach(child => {
const childString = Stats.jsonToString(child, useColors);
if(childString) {
if(child.name) {
colors.normal("Child ");
colors.bold(child.name);
colors.normal(":");
} else {
colors.normal("Child");
}
newline();
buf.push(" ");
buf.push(childString.replace(/\n/g, "\n "));
newline();
}
});
}
if(obj.needAdditionalPass) {
colors.yellow("Compilation needs an additional pass and will compile again.");
}
while(buf[buf.length - 1] === "\n") buf.pop();
return buf.join("");
}
static presetToOptions(name) {
//Accepted values: none, errors-only, minimal, normal, verbose
//Any other falsy value will behave as 'none', truthy values as 'normal'
const pn = (typeof name === "string") && name.toLowerCase() || name;
if(pn === "none" || !pn) {
return {
hash: false,
version: false,
timings: false,
assets: false,
entrypoints: false,
chunks: false,
chunkModules: false,
modules: false,
reasons: false,
depth: false,
usedExports: false,
providedExports: false,
children: false,
source: false,
errors: false,
errorDetails: false,
warnings: false,
publicPath: false,
performance: false
};
} else {
return {
hash: pn !== "errors-only" && pn !== "minimal",
version: pn === "verbose",
timings: pn !== "errors-only" && pn !== "minimal",
assets: pn === "verbose",
entrypoints: pn === "verbose",
chunks: pn !== "errors-only",
chunkModules: pn === "verbose",
//warnings: pn !== "errors-only",
errorDetails: pn !== "errors-only" && pn !== "minimal",
reasons: pn === "verbose",
depth: pn === "verbose",
usedExports: pn === "verbose",
providedExports: pn === "verbose",
colors: true,
performance: true
};
}
}
static getChildOptions(options, idx) {
let innerOptions;
if(Array.isArray(options.children)) {
if(idx < options.children.length)
innerOptions = options.children[idx];
} else if(typeof options.children === "object" && options.children) {
innerOptions = options.children;
}
if(typeof innerOptions === "boolean" || typeof innerOptions === "string")
innerOptions = Stats.presetToOptions(innerOptions);
if(!innerOptions)
return options;
const childOptions = Object.assign({}, options);
delete childOptions.children; // do not inherit children
return Object.assign(childOptions, innerOptions);
}
}
module.exports = Stats;