From dc2c5807748336dd17f3a1633cdf2444a8e16a99 Mon Sep 17 00:00:00 2001 From: Ben Baryo <60312583+BenBaryoPX@users.noreply.github.com> Date: Thu, 4 Jul 2024 15:48:20 +0300 Subject: [PATCH] Improve Scoping (#25) * Update dependencies * Support parsing for ES6 and later. * Fix scope replacement test. Fix typos. --- package-lock.json | 261 +++++++++++++++++++++++++++++++----------- package.json | 4 +- src/flast.js | 12 +- tests/parsingTests.js | 14 ++- 4 files changed, 213 insertions(+), 78 deletions(-) diff --git a/package-lock.json b/package-lock.json index 5b70aac..d28b429 100644 --- a/package-lock.json +++ b/package-lock.json @@ -10,8 +10,8 @@ "license": "MIT", "dependencies": { "escodegen": "^2.1.0", - "eslint-scope": "^7.2.2", - "espree": "^9.6.1", + "eslint-scope": "^8.0.1", + "espree": "^10.1.0", "estraverse": "^5.3.0" }, "devDependencies": { @@ -53,10 +53,11 @@ } }, "node_modules/@eslint/eslintrc": { - "version": "2.1.2", - "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-2.1.2.tgz", - "integrity": "sha512-+wvgpDsrB1YqAMdEUCcnTlpfVBH7Vqn6A/NT3D8WVXFIaKMlErPIZT3oCIAVCOtarRpMtelZLqJeU3t7WY6X6g==", + "version": "2.1.4", + "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-2.1.4.tgz", + "integrity": "sha512-269Z39MS6wVJtsoUl10L60WdkhJVdPG24Q4eZTH3nnF6lpvSShEK3wQjDX9JRWAUPvPh7COouPpU9IrqaZFvtQ==", "dev": true, + "license": "MIT", "dependencies": { "ajv": "^6.12.4", "debug": "^4.3.2", @@ -75,23 +76,44 @@ "url": "https://opencollective.com/eslint" } }, + "node_modules/@eslint/eslintrc/node_modules/espree": { + "version": "9.6.1", + "resolved": "https://registry.npmjs.org/espree/-/espree-9.6.1.tgz", + "integrity": "sha512-oruZaFkjorTpF32kDSI5/75ViwGeZginGGy2NoOSg3Q9bnwlnmDm4HLnkl0RE3n+njDXR037aY1+x58Z/zFdwQ==", + "dev": true, + "license": "BSD-2-Clause", + "dependencies": { + "acorn": "^8.9.0", + "acorn-jsx": "^5.3.2", + "eslint-visitor-keys": "^3.4.1" + }, + "engines": { + "node": "^12.22.0 || ^14.17.0 || >=16.0.0" + }, + "funding": { + "url": "https://opencollective.com/eslint" + } + }, "node_modules/@eslint/js": { - "version": "8.49.0", - "resolved": "https://registry.npmjs.org/@eslint/js/-/js-8.49.0.tgz", - "integrity": "sha512-1S8uAY/MTJqVx0SC4epBq+N2yhuwtNwLbJYNZyhL2pO1ZVKn5HFXav5T41Ryzy9K9V7ZId2JB2oy/W4aCd9/2w==", + "version": "8.57.0", + "resolved": "https://registry.npmjs.org/@eslint/js/-/js-8.57.0.tgz", + "integrity": "sha512-Ys+3g2TaW7gADOJzPt83SJtCDhMjndcDMFVQ/Tj9iA1BfJzFKD9mAUXT3OenpuPHbI6P/myECxRJrofUsDx/5g==", "dev": true, + "license": "MIT", "engines": { "node": "^12.22.0 || ^14.17.0 || >=16.0.0" } }, "node_modules/@humanwhocodes/config-array": { - "version": "0.11.11", - "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.11.11.tgz", - "integrity": "sha512-N2brEuAadi0CcdeMXUkhbZB84eskAc8MEX1By6qEchoVywSgXPIjou4rYsl0V3Hj0ZnuGycGCjdNgockbzeWNA==", + "version": "0.11.14", + "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.11.14.tgz", + "integrity": "sha512-3T8LkOmg45BV5FICb15QQMsyUSWrQ8AygVfC7ZG32zOalnqrilm018ZVCw0eapXux8FtA33q8PSRSstjee3jSg==", + "deprecated": "Use @eslint/config-array instead", "dev": true, + "license": "Apache-2.0", "dependencies": { - "@humanwhocodes/object-schema": "^1.2.1", - "debug": "^4.1.1", + "@humanwhocodes/object-schema": "^2.0.2", + "debug": "^4.3.1", "minimatch": "^3.0.5" }, "engines": { @@ -112,10 +134,12 @@ } }, "node_modules/@humanwhocodes/object-schema": { - "version": "1.2.1", - "resolved": "https://registry.npmjs.org/@humanwhocodes/object-schema/-/object-schema-1.2.1.tgz", - "integrity": "sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==", - "dev": true + "version": "2.0.3", + "resolved": "https://registry.npmjs.org/@humanwhocodes/object-schema/-/object-schema-2.0.3.tgz", + "integrity": "sha512-93zYdMES/c1D69yZiKDBj0V24vqNzB/koF26KPaagAfd3P/4gUlh3Dys5ogAK+Exi9QyzlD8x/08Zt7wIKcDcA==", + "deprecated": "Use @eslint/object-schema instead", + "dev": true, + "license": "BSD-3-Clause" }, "node_modules/@nodelib/fs.scandir": { "version": "2.1.5", @@ -152,10 +176,18 @@ "node": ">= 8" } }, + "node_modules/@ungap/structured-clone": { + "version": "1.2.0", + "resolved": "https://registry.npmjs.org/@ungap/structured-clone/-/structured-clone-1.2.0.tgz", + "integrity": "sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ==", + "dev": true, + "license": "ISC" + }, "node_modules/acorn": { - 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"dev": true + "dev": true, + "license": "Python-2.0" }, "node_modules/balanced-match": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz", "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==", - "dev": true + "dev": true, + "license": "MIT" }, "node_modules/brace-expansion": { "version": "1.1.11", "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz", "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==", "dev": true, + "license": "MIT", "dependencies": { "balanced-match": "^1.0.0", "concat-map": "0.0.1" @@ -238,6 +275,7 @@ "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz", "integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==", "dev": true, + "license": "MIT", "engines": { "node": ">=6" } @@ -280,7 +318,8 @@ "version": "0.0.1", "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz", "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==", - 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Do not use it. Check out lru-cache if you want a good and tested way to coalesce async requests by a key value, which is much more comprehensive and powerful.", "dev": true, + "license": "ISC", "dependencies": { "once": "^1.3.0", "wrappy": "1" @@ -716,7 +825,8 @@ "version": "2.0.4", "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz", "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==", - "dev": true + "dev": true, + "license": "ISC" }, "node_modules/is-extglob": { "version": "2.1.1", @@ -759,6 +869,7 @@ "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz", "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==", "dev": true, + "license": "MIT", "dependencies": { "argparse": "^2.0.1" }, @@ -770,13 +881,15 @@ "version": "3.0.1", "resolved": "https://registry.npmjs.org/json-buffer/-/json-buffer-3.0.1.tgz", "integrity": "sha512-4bV5BfR2mqfQTJm+V5tPPdf+ZpuhiIvTuAB5g8kcrXOZpTT/QwwVRWBywX1ozr6lEuPdbHxwaJlm9G6mI2sfSQ==", - "dev": true + "dev": true, + "license": "MIT" }, "node_modules/json-schema-traverse": { "version": "0.4.1", "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz", "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==", - "dev": true + "dev": true, + "license": "MIT" }, "node_modules/json-stable-stringify-without-jsonify": { "version": "1.0.1", @@ -785,10 +898,11 @@ "dev": true }, "node_modules/keyv": { - "version": "4.5.3", - "resolved": "https://registry.npmjs.org/keyv/-/keyv-4.5.3.tgz", - "integrity": "sha512-QCiSav9WaX1PgETJ+SpNnx2PRRapJ/oRSXM4VO5OGYGSjrxbKPVFVhB3l2OCbLCk329N8qyAtsJjSjvVBWzEug==", + "version": "4.5.4", + "resolved": "https://registry.npmjs.org/keyv/-/keyv-4.5.4.tgz", + "integrity": "sha512-oxVHkHR/EJf2CNXnWxRLW6mg7JyCCUcG0DtEGmL2ctUo1PNTin1PUil+r/+4r5MpVgC/fn1kjsx7mjSujKqIpw==", "dev": true, + "license": "MIT", "dependencies": { "json-buffer": "3.0.1" } @@ -832,6 +946,7 @@ "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz", "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==", "dev": true, + "license": "ISC", "dependencies": { "brace-expansion": "^1.1.7" }, @@ -843,7 +958,8 @@ "version": "2.1.2", "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz", "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==", - "dev": true + "dev": true, + "license": "MIT" }, "node_modules/natural-compare": { "version": "1.4.0", @@ -856,6 +972,7 @@ "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz", "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==", "dev": true, + "license": "ISC", "dependencies": { "wrappy": "1" } @@ -912,6 +1029,7 @@ "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz", "integrity": "sha512-GQ2EWRpQV8/o+Aw8YqtfZZPfNRWZYkbidE9k5rpl/hC3vtHHBfGm2Ifi6qWV+coDGkrUKZAxE3Lot5kcsRlh+g==", "dev": true, + "license": "MIT", "dependencies": { "callsites": "^3.0.0" }, @@ -933,6 +1051,7 @@ "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz", "integrity": "sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==", "dev": true, + "license": "MIT", "engines": { "node": ">=0.10.0" } @@ -956,10 +1075,11 @@ } }, "node_modules/punycode": { - "version": "2.3.0", - "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.0.tgz", - "integrity": "sha512-rRV+zQD8tVFys26lAGR9WUuS4iUAngJScM+ZRSKtvl5tKeZ2t5bvdNFdNHBW9FWR4guGHlgmsZ1G7BSm2wTbuA==", + "version": "2.3.1", + "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz", + "integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==", "dev": true, + "license": "MIT", "engines": { "node": ">=6" } @@ -989,6 +1109,7 @@ "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz", "integrity": "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==", "dev": true, + "license": "MIT", "engines": { "node": ">=4" } @@ -1007,7 +1128,9 @@ "version": "3.0.2", "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz", "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==", + "deprecated": "Rimraf versions prior to v4 are no longer supported", "dev": true, + "license": "ISC", "dependencies": { "glob": "^7.1.3" }, @@ -1088,6 +1211,7 @@ "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.1.tgz", "integrity": "sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==", "dev": true, + "license": "MIT", "engines": { "node": ">=8" }, @@ -1130,6 +1254,7 @@ "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.20.2.tgz", "integrity": "sha512-Ne+eE4r0/iWnpAxD852z3A+N0Bt5RN//NjJwRd2VFHEmrywxf5vsZlh4R6lixl6B+wz/8d+maTSAkN1FIkI3LQ==", "dev": true, + "license": "(MIT OR CC0-1.0)", "engines": { "node": ">=10" }, @@ -1142,6 +1267,7 @@ "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz", "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==", "dev": true, + "license": "BSD-2-Clause", "dependencies": { "punycode": "^2.1.0" } @@ -1165,7 +1291,8 @@ "version": "1.0.2", "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==", - "dev": true + "dev": true, + "license": "ISC" }, "node_modules/yocto-queue": { "version": "0.1.0", diff --git a/package.json b/package.json index 3843ca8..98c21c9 100644 --- a/package.json +++ b/package.json @@ -25,8 +25,8 @@ "homepage": "https://github.com/PerimeterX/flast#readme", "dependencies": { "escodegen": "^2.1.0", - "espree": "^9.6.1", - "eslint-scope": "^7.2.2", + "espree": "^10.1.0", + "eslint-scope": "^8.0.1", "estraverse": "^5.3.0" }, "devDependencies": { diff --git a/src/flast.js b/src/flast.js index 4947f9e..221d179 100644 --- a/src/flast.js +++ b/src/flast.js @@ -140,7 +140,7 @@ function extractNodesFromRoot(rootNode, opts) { node.lineage.push(parentNode.nodeId); parentNode.childNodes.push(node); } - if (opts.includeSrc) Object.defineProperty(node, 'src', { + if (opts.includeSrc && !node.src) Object.defineProperty(node, 'src', { get() { return rootNode.srcClosure(node.range[0], node.range[1]);}, }); } @@ -225,17 +225,23 @@ async function injectScopeToNodeAsync(node, scopes) { function getAllScopes(rootNode) { const globalScope = analyze(rootNode, { optimistic: true, - ecmaVersion, + ecmaVersion: (new Date()).getFullYear(), sourceType}).acquireAll(rootNode)[0]; const allScopes = {}; const stack = [globalScope]; + const seen = []; while (stack.length) { let scope = stack.pop(); + if (seen.includes(scope)) continue; + seen.push(scope); const scopeId = scope.block.nodeId; scope.block.isScopeBlock = true; if (!allScopes[scopeId]) { allScopes[scopeId] = scope; - stack.push(...scope.childScopes); + } + stack.push(...scope.childScopes); + if (scope.type === 'module' && scope.upper?.type === 'global' && scope.variables?.length) { + for (const v of scope.variables) if (!scope.upper.variables.includes(v)) scope.upper.variables.push(v); } } rootNode.allScopes = allScopes; diff --git a/tests/parsingTests.js b/tests/parsingTests.js index f658724..d102804 100644 --- a/tests/parsingTests.js +++ b/tests/parsingTests.js @@ -1,5 +1,6 @@ const assert = require('node:assert'); const {generateFlatAST} = require(__dirname + '/../src/index'); + module.exports = [ { enabled: true, @@ -12,18 +13,19 @@ module.exports = [ i; })();`; const ast = generateFlatAST(code); - const testedScope = [...new Set(ast.map(n => n.scope))][1]; + const testedScope = ast[0].allScopes[Object.keys(ast[0].allScopes).slice(-1)[0]]; const expectedParentScopeType = 'function-expression-name'; const expectedScopeType = 'function'; - assert.equal(testedScope.type, expectedScopeType, + // ast.slice(-1)[0].type is the last identifier in the code and should have the expected scope type + assert.equal(ast.slice(-1)[0].scope.type, expectedScopeType, `Unexpected scope`); - assert.equal(testedScope.upper.type, expectedParentScopeType, + assert.equal(testedScope.type, expectedParentScopeType, `Tested scope is not the child of the correct scope`); }, }, { enabled: true, - name: 'Local variable declaration supercedes outer scope declaration', + name: 'Local variable declaration supersedes outer scope declaration', description: 'Verify declNode references the local declaration correctly.', run() { const innerScopeVal = 'inner'; @@ -39,9 +41,9 @@ module.exports = [ const innerValResult = innerIdentifier.declNode.parentNode.init.value; const outerValResult = outerIdentifier.declNode.parentNode.init.value; assert.equal(innerValResult, innerScopeVal, - `Decleration node (inner scope) is incorrectly referenced.`); + `Declaration node (inner scope) is incorrectly referenced.`); assert.equal(outerValResult, outerScopeVal, - `Decleration node (outer scope) is incorrectly referenced.`); + `Declaration node (outer scope) is incorrectly referenced.`); }, }, {