71 lines
2.2 KiB
TypeScript
71 lines
2.2 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
|
|
* Copyright (c) Microsoft Corporation. All rights reserved.
|
|
* Licensed under the MIT License. See License.txt in the project root for license information.
|
|
*--------------------------------------------------------------------------------------------*/
|
|
|
|
import * as eslint from 'eslint';
|
|
import { dirname, relative } from 'path';
|
|
import minimatch from 'minimatch';
|
|
|
|
export = new class implements eslint.Rule.RuleModule {
|
|
|
|
readonly meta: eslint.Rule.RuleMetaData = {
|
|
messages: {
|
|
layerbreaker: 'You are only allowed to define limited top level functions.'
|
|
},
|
|
schema: {
|
|
type: "array",
|
|
items: {
|
|
type: "object",
|
|
additionalProperties: {
|
|
type: "array",
|
|
items: {
|
|
type: "string"
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
create(context: eslint.Rule.RuleContext): eslint.Rule.RuleListener {
|
|
let fileRelativePath = relative(dirname(__dirname), context.getFilename());
|
|
if (!fileRelativePath.endsWith('/')) {
|
|
fileRelativePath += '/';
|
|
}
|
|
const ruleArgs = <Record<string, string[]>>context.options[0];
|
|
|
|
const matchingKey = Object.keys(ruleArgs).find(key => fileRelativePath.startsWith(key) || minimatch(fileRelativePath, key));
|
|
if (!matchingKey) {
|
|
// nothing
|
|
return {};
|
|
}
|
|
|
|
const restrictedFunctions = ruleArgs[matchingKey];
|
|
|
|
return {
|
|
FunctionDeclaration: (node: any) => {
|
|
const isTopLevel = node.parent.type === 'Program';
|
|
const functionName = node.id.name;
|
|
if (isTopLevel && !restrictedFunctions.includes(node.id.name)) {
|
|
context.report({
|
|
node,
|
|
message: `Top-level function '${functionName}' is restricted in this file. Allowed functions are: ${restrictedFunctions.join(', ')}.`
|
|
});
|
|
}
|
|
},
|
|
ExportNamedDeclaration(node: any) {
|
|
if (node.declaration && node.declaration.type === 'FunctionDeclaration') {
|
|
const functionName = node.declaration.id.name;
|
|
const isTopLevel = node.parent.type === 'Program';
|
|
if (isTopLevel && !restrictedFunctions.includes(node.declaration.id.name)) {
|
|
context.report({
|
|
node,
|
|
message: `Top-level function '${functionName}' is restricted in this file. Allowed functions are: ${restrictedFunctions.join(', ')}.`
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|