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96 lines
3.2 KiB
Plaintext
96 lines
3.2 KiB
Plaintext
"use strict"
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const {
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CONSTRUCT,
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ReferenceTracker,
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} = require("@eslint-community/eslint-utils")
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const {
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definePrototypeMethodHandler,
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} = require("../util/define-prototype-method-handler")
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const { getSourceCode } = require("eslint-compat-utils")
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/**
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* @param {Node|undefined} node
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* @returns {boolean}
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*/
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function isSpreadElement(node) {
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return node && node.type === "SpreadElement"
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}
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module.exports = {
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meta: {
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docs: {
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description: "disallow resizable and growable ArrayBuffers",
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category: "ES2024",
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recommended: false,
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url: "http://eslint-community.github.io/eslint-plugin-es-x/rules/no-resizable-and-growable-arraybuffers.html",
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},
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fixable: null,
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messages: {
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forbiddenForResizableArrayBuffer:
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"ES2024 Resizable ArrayBuffer is forbidden.",
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forbiddenForGrowableSharedArrayBuffer:
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"ES2024 Growable SharedArrayBuffer is forbidden.",
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},
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schema: [
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{
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type: "object",
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properties: {
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aggressive: { type: "boolean" },
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},
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additionalProperties: false,
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},
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],
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type: "problem",
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},
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create(context) {
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return {
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...definePrototypeMethodHandler(
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context,
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{
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ArrayBuffer: ["maxByteLength", "resizable", "resize"],
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SharedArrayBuffer: ["grow", "growable", "maxByteLength"],
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},
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{
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createReport({ className }) {
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return {
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messageId:
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className === "ArrayBuffer"
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? "forbiddenForResizableArrayBuffer"
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: "forbiddenForGrowableSharedArrayBuffer",
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}
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},
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},
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),
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"Program:exit"(program) {
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const sourceCode = getSourceCode(context)
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const tracker = new ReferenceTracker(
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sourceCode.getScope(program),
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)
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for (const { node, path } of tracker.iterateGlobalReferences({
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ArrayBuffer: { [CONSTRUCT]: true },
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SharedArrayBuffer: { [CONSTRUCT]: true },
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})) {
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if (node.type !== "NewExpression") {
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continue
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}
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const args = node.arguments.slice(0, 2)
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if (args.some(isSpreadElement)) {
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continue
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}
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const reportedNode = args[1]
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if (reportedNode) {
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context.report({
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node: reportedNode,
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messageId:
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path[0] === "ArrayBuffer"
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? "forbiddenForResizableArrayBuffer"
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: "forbiddenForGrowableSharedArrayBuffer",
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})
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}
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}
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},
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}
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},
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}
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