Rule.js
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const ChainedMap = require('./ChainedMap');
const ChainedSet = require('./ChainedSet');
const Orderable = require('./Orderable');
const Use = require('./Use');
const Resolve = require('./Resolve');
function toArray(arr) {
return Array.isArray(arr) ? arr : [arr];
}
const Rule = Orderable(
class extends ChainedMap {
constructor(parent, name, ruleType = 'rule') {
super(parent);
this.name = name;
this.names = [];
this.ruleType = ruleType;
this.ruleTypes = [];
let rule = this;
while (rule instanceof Rule) {
this.names.unshift(rule.name);
this.ruleTypes.unshift(rule.ruleType);
rule = rule.parent;
}
this.uses = new ChainedMap(this);
this.include = new ChainedSet(this);
this.exclude = new ChainedSet(this);
this.rules = new ChainedMap(this);
this.oneOfs = new ChainedMap(this);
this.resolve = new Resolve(this);
this.extend([
'enforce',
'issuer',
'parser',
'resource',
'resourceQuery',
'sideEffects',
'test',
'type',
]);
}
use(name) {
return this.uses.getOrCompute(name, () => new Use(this, name));
}
rule(name) {
return this.rules.getOrCompute(name, () => new Rule(this, name, 'rule'));
}
oneOf(name) {
return this.oneOfs.getOrCompute(
name,
() => new Rule(this, name, 'oneOf'),
);
}
pre() {
return this.enforce('pre');
}
post() {
return this.enforce('post');
}
toConfig() {
const config = this.clean(
Object.assign(this.entries() || {}, {
include: this.include.values(),
exclude: this.exclude.values(),
rules: this.rules.values().map((rule) => rule.toConfig()),
oneOf: this.oneOfs.values().map((oneOf) => oneOf.toConfig()),
use: this.uses.values().map((use) => use.toConfig()),
resolve: this.resolve.toConfig(),
}),
);
Object.defineProperties(config, {
__ruleNames: { value: this.names },
__ruleTypes: { value: this.ruleTypes },
});
return config;
}
merge(obj, omit = []) {
if (!omit.includes('include') && 'include' in obj) {
this.include.merge(toArray(obj.include));
}
if (!omit.includes('exclude') && 'exclude' in obj) {
this.exclude.merge(toArray(obj.exclude));
}
if (!omit.includes('use') && 'use' in obj) {
Object.keys(obj.use).forEach((name) =>
this.use(name).merge(obj.use[name]),
);
}
if (!omit.includes('rules') && 'rules' in obj) {
Object.keys(obj.rules).forEach((name) =>
this.rule(name).merge(obj.rules[name]),
);
}
if (!omit.includes('oneOf') && 'oneOf' in obj) {
Object.keys(obj.oneOf).forEach((name) =>
this.oneOf(name).merge(obj.oneOf[name]),
);
}
if (!omit.includes('resolve') && 'resolve' in obj) {
this.resolve.merge(obj.resolve);
}
if (!omit.includes('test') && 'test' in obj) {
this.test(
obj.test instanceof RegExp || typeof obj.test === 'function'
? obj.test
: new RegExp(obj.test),
);
}
return super.merge(obj, [
...omit,
'include',
'exclude',
'use',
'rules',
'oneOf',
'resolve',
'test',
]);
}
},
);
module.exports = Rule;