react-native/Libraries/YellowBox/Data/YellowBoxRegistry.js

142 lines
3.1 KiB
JavaScript

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow strict-local
* @format
*/
'use strict';
const YellowBoxWarning = require('YellowBoxWarning');
import type {Category} from 'YellowBoxCategory';
export type Registry = Map<Category, $ReadOnlyArray<YellowBoxWarning>>;
export type Observer = (registry: Registry) => void;
export type Subscription = $ReadOnly<{|
unsubscribe: () => void,
|}>;
const observers: Set<{observer: Observer}> = new Set();
const ignorePatterns: Set<string> = new Set();
const registry: Registry = new Map();
let disabled = false;
let projection = new Map();
let updateTimeout = null;
function isWarningIgnored(warning: YellowBoxWarning): boolean {
for (const pattern of ignorePatterns) {
if (warning.message.content.includes(pattern)) {
return true;
}
}
return false;
}
function handleUpdate(): void {
projection = new Map();
if (!disabled) {
for (const [category, warnings] of registry) {
const filtered = warnings.filter(warning => !isWarningIgnored(warning));
if (filtered.length > 0) {
projection.set(category, filtered);
}
}
}
if (updateTimeout == null) {
updateTimeout = setImmediate(() => {
updateTimeout = null;
for (const {observer} of observers) {
observer(projection);
}
});
}
}
const YellowBoxRegistry = {
add({
args,
framesToPop,
}: $ReadOnly<{|
args: $ReadOnlyArray<mixed>,
framesToPop: number,
|}>): void {
if (typeof args[0] === 'string' && args[0].startsWith('(ADVICE)')) {
return;
}
const {category, message, stack} = YellowBoxWarning.parse({
args,
framesToPop: framesToPop + 1,
});
let warnings = registry.get(category);
if (warnings == null) {
warnings = [];
}
warnings = [...warnings, new YellowBoxWarning(message, stack)];
registry.delete(category);
registry.set(category, warnings);
handleUpdate();
},
delete(category: Category): void {
if (registry.has(category)) {
registry.delete(category);
handleUpdate();
}
},
clear(): void {
if (registry.size > 0) {
registry.clear();
handleUpdate();
}
},
addIgnorePatterns(patterns: $ReadOnlyArray<string>): void {
const newPatterns = patterns.filter(
pattern => !ignorePatterns.has(pattern),
);
if (newPatterns.length === 0) {
return;
}
for (const pattern of newPatterns) {
ignorePatterns.add(pattern);
}
handleUpdate();
},
setDisabled(value: boolean): void {
if (value === disabled) {
return;
}
disabled = value;
handleUpdate();
},
isDisabled(): boolean {
return disabled;
},
observe(observer: Observer): Subscription {
const subscription = {observer};
observers.add(subscription);
observer(projection);
return {
unsubscribe(): void {
observers.delete(subscription);
},
};
},
};
module.exports = YellowBoxRegistry;