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const path = require("path");
const fs = require("fs");
const { sources } = require("webpack");
class CreateRulesPlugin {
apply(compiler) {
compiler.hooks.compilation.tap("CreateRulesPlugin", compilation => {
compilation.hooks.processAssets.tap(
{
name: "CreateRulesPlugin",
stage: compiler.webpack.Compilation.PROCESS_ASSETS_ADDITIONAL,
additionalAssets: true
},
assets => {
const ruleFileNames = fs.readdirSync(path.resolve(SOURCE_DIR, "rules"));
const rules = [];
let ruleId = 1;
for (const ruleFileName of ruleFileNames) {
const rule = require(path.resolve(SOURCE_DIR, "rules", ruleFileName));
if (rule instanceof Array) {
for (const rule of rule) {
rule.id = ruleId++;
rules.push(rule);
}
} else {
rule.id = ruleId++;
rules.push(rule);
}
}
compilation.emitAsset(
"rules.json",
new sources.RawSource(JSON.stringify(rules, undefined, process.env.NODE_ENV === "production" ? undefined : "\t"))
);
}
);
});
}
}
module.exports = CreateRulesPlugin;
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