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MultiStats.js
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Mon, Nov 18, 12:06

MultiStats.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const identifierUtils = require("./util/identifier");
/** @typedef {import("./Stats")} Stats */
const indent = (str, prefix) => {
const rem = str.replace(/\n([^\n])/g, "\n" + prefix + "$1");
return prefix + rem;
};
class MultiStats {
/**
* @param {Stats[]} stats the child stats
*/
constructor(stats) {
this.stats = stats;
}
get hash() {
return this.stats.map(stat => stat.hash).join("");
}
/**
* @returns {boolean} true if a child compilation encountered an error
*/
hasErrors() {
return this.stats.some(stat => stat.hasErrors());
}
/**
* @returns {boolean} true if a child compilation had a warning
*/
hasWarnings() {
return this.stats.some(stat => stat.hasWarnings());
}
_createChildOptions(options, context) {
if (!options) {
options = {};
}
const { children: _, ...baseOptions } = options;
const children = this.stats.map((stat, idx) => {
const childOptions = Array.isArray(options.children)
? options.children[idx]
: options.children;
return stat.compilation.createStatsOptions(
{
...baseOptions,
...(childOptions && typeof childOptions === "object"
? childOptions
: { preset: childOptions })
},
context
);
});
return {
version: children.every(o => o.version),
hash: children.every(o => o.hash),
errorsCount: children.every(o => o.errorsCount),
warningsCount: children.every(o => o.warningsCount),
errors: children.every(o => o.errors),
warnings: children.every(o => o.warnings),
children
};
}
toJson(options) {
options = this._createChildOptions(options, { forToString: false });
const obj = {};
obj.children = this.stats.map((stat, idx) => {
const obj = stat.toJson(options.children[idx]);
const compilationName = stat.compilation.name;
const name =
compilationName &&
identifierUtils.makePathsRelative(
options.context,
compilationName,
stat.compilation.compiler.root
);
obj.name = name;
return obj;
});
if (options.version) {
obj.version = obj.children[0].version;
}
if (options.hash) {
obj.hash = obj.children.map(j => j.hash).join("");
}
const mapError = (j, obj) => {
return {
...obj,
compilerPath: obj.compilerPath
? `${j.name}.${obj.compilerPath}`
: j.name
};
};
if (options.errors) {
obj.errors = [];
for (const j of obj.children) {
for (const i of j.errors) {
obj.errors.push(mapError(j, i));
}
}
}
if (options.warnings) {
obj.warnings = [];
for (const j of obj.children) {
for (const i of j.warnings) {
obj.warnings.push(mapError(j, i));
}
}
}
if (options.errorsCount) {
obj.errorsCount = 0;
for (const j of obj.children) {
obj.errorsCount += j.errorsCount;
}
}
if (options.warningsCount) {
obj.warningsCount = 0;
for (const j of obj.children) {
obj.warningsCount += j.warningsCount;
}
}
return obj;
}
toString(options) {
options = this._createChildOptions(options, { forToString: true });
const results = this.stats.map((stat, idx) => {
const str = stat.toString(options.children[idx]);
const compilationName = stat.compilation.name;
const name =
compilationName &&
identifierUtils
.makePathsRelative(
options.context,
compilationName,
stat.compilation.compiler.root
)
.replace(/\|/g, " ");
if (!str) return str;
return name ? `${name}:\n${indent(str, " ")}` : str;
});
return results.filter(Boolean).join("\n\n");
}
}
module.exports = MultiStats;

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