From 4e87195739f2a5d9a05451b48773c8afdc680765 Mon Sep 17 00:00:00 2001 From: akiyamn Date: Sun, 24 Sep 2023 23:22:21 +1000 Subject: Initial commit (by create-cloudflare CLI) --- node_modules/estree-walker/CHANGELOG.md | 55 ++++++++++++++++++ node_modules/estree-walker/README.md | 45 +++++++++++++++ .../estree-walker/dist/estree-walker.umd.js | 65 ++++++++++++++++++++++ .../estree-walker/dist/estree-walker.umd.js.map | 1 + node_modules/estree-walker/index.d.ts | 27 +++++++++ node_modules/estree-walker/package.json | 30 ++++++++++ node_modules/estree-walker/src/estree-walker.js | 51 +++++++++++++++++ 7 files changed, 274 insertions(+) create mode 100644 node_modules/estree-walker/CHANGELOG.md create mode 100644 node_modules/estree-walker/README.md create mode 100644 node_modules/estree-walker/dist/estree-walker.umd.js create mode 100644 node_modules/estree-walker/dist/estree-walker.umd.js.map create mode 100644 node_modules/estree-walker/index.d.ts create mode 100644 node_modules/estree-walker/package.json create mode 100644 node_modules/estree-walker/src/estree-walker.js (limited to 'node_modules/estree-walker') diff --git a/node_modules/estree-walker/CHANGELOG.md b/node_modules/estree-walker/CHANGELOG.md new file mode 100644 index 0000000..06b21e9 --- /dev/null +++ b/node_modules/estree-walker/CHANGELOG.md @@ -0,0 +1,55 @@ +# changelog + +## 0.6.1 + +* Only traverse nodes that exist and have a type ([#9](https://github.com/Rich-Harris/estree-walker/pull/9)) +* Only cache keys for nodes with a type ([#8](https://github.com/Rich-Harris/estree-walker/pull/8)) + +## 0.6.0 + +* Fix walker context type +* Update deps, remove unncessary Bublé transformation + +## 0.5.2 + +* Add types to package + +## 0.5.1 + +* Prevent context corruption when `walk()` is called during a walk + +## 0.5.0 + +* Export `childKeys`, for manually fixing in case of malformed ASTs + +## 0.4.0 + +* Add TypeScript typings ([#3](https://github.com/Rich-Harris/estree-walker/pull/3)) + +## 0.3.1 + +* Include `pkg.repository` ([#2](https://github.com/Rich-Harris/estree-walker/pull/2)) + +## 0.3.0 + +* More predictable ordering + +## 0.2.1 + +* Keep `context` shape + +## 0.2.0 + +* Add ES6 build + +## 0.1.3 + +* npm snafu + +## 0.1.2 + +* Pass current prop and index to `enter`/`leave` callbacks + +## 0.1.1 + +* First release diff --git a/node_modules/estree-walker/README.md b/node_modules/estree-walker/README.md new file mode 100644 index 0000000..94dd400 --- /dev/null +++ b/node_modules/estree-walker/README.md @@ -0,0 +1,45 @@ +# estree-walker + +Simple utility for walking an [ESTree](https://github.com/estree/estree)-compliant AST, such as one generated by [acorn](https://github.com/marijnh/acorn). + + +## Installation + +```bash +npm i estree-walker +``` + + +## Usage + +```js +var walk = require( 'estree-walker' ).walk; +var acorn = require( 'acorn' ); + +ast = acorn.parse( sourceCode, options ); // https://github.com/acornjs/acorn + +walk( ast, { + enter: function ( node, parent, prop, index ) { + // some code happens + }, + leave: function ( node, parent, prop, index ) { + // some code happens + } +}); +``` + +Inside the `enter` function, calling `this.skip()` will prevent the node's children being walked, or the `leave` function (which is optional) being called. + + +## Why not use estraverse? + +The ESTree spec is evolving to accommodate ES6/7. I've had a couple of experiences where [estraverse](https://github.com/estools/estraverse) was unable to handle an AST generated by recent versions of acorn, because it hard-codes visitor keys. + +estree-walker, by contrast, simply enumerates a node's properties to find child nodes (and child lists of nodes), and is therefore resistant to spec changes. It's also much smaller. (The performance, if you're wondering, is basically identical.) + +None of which should be taken as criticism of estraverse, which has more features and has been battle-tested in many more situations, and for which I'm very grateful. + + +## License + +MIT diff --git a/node_modules/estree-walker/dist/estree-walker.umd.js b/node_modules/estree-walker/dist/estree-walker.umd.js new file mode 100644 index 0000000..f070f17 --- /dev/null +++ b/node_modules/estree-walker/dist/estree-walker.umd.js @@ -0,0 +1,65 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (factory((global.estreeWalker = {}))); +}(this, (function (exports) { 'use strict'; + + function walk(ast, { enter, leave }) { + visit(ast, null, enter, leave); + } + + let shouldSkip = false; + const context = { skip: () => shouldSkip = true }; + + const childKeys = {}; + + const toString = Object.prototype.toString; + + function isArray(thing) { + return toString.call(thing) === '[object Array]'; + } + + function visit(node, parent, enter, leave, prop, index) { + if (!node) return; + + if (enter) { + const _shouldSkip = shouldSkip; + shouldSkip = false; + enter.call(context, node, parent, prop, index); + const skipped = shouldSkip; + shouldSkip = _shouldSkip; + + if (skipped) return; + } + + const keys = node.type && childKeys[node.type] || ( + childKeys[node.type] = Object.keys(node).filter(key => typeof node[key] === 'object') + ); + + for (let i = 0; i < keys.length; i += 1) { + const key = keys[i]; + const value = node[key]; + + if (isArray(value)) { + for (let j = 0; j < value.length; j += 1) { + value[j] && value[j].type && visit(value[j], node, enter, leave, key, j); + } + } + + else if (value && value.type) { + visit(value, node, enter, leave, key, null); + } + } + + if (leave) { + leave(node, parent, prop, index); + } + } + + exports.walk = walk; + exports.childKeys = childKeys; + + Object.defineProperty(exports, '__esModule', { value: true }); + +}))); +//# sourceMappingURL=estree-walker.umd.js.map diff --git a/node_modules/estree-walker/dist/estree-walker.umd.js.map b/node_modules/estree-walker/dist/estree-walker.umd.js.map new file mode 100644 index 0000000..3bc3862 --- /dev/null +++ b/node_modules/estree-walker/dist/estree-walker.umd.js.map @@ -0,0 +1 @@ +{"version":3,"file":"estree-walker.umd.js","sources":["../src/estree-walker.js"],"sourcesContent":["export function walk(ast, { enter, leave }) {\n\tvisit(ast, null, enter, leave);\n}\n\nlet shouldSkip = false;\nconst context = { skip: () => shouldSkip = true };\n\nexport const childKeys = {};\n\nconst toString = Object.prototype.toString;\n\nfunction isArray(thing) {\n\treturn toString.call(thing) === '[object Array]';\n}\n\nfunction visit(node, parent, enter, leave, prop, index) {\n\tif (!node) return;\n\n\tif (enter) {\n\t\tconst _shouldSkip = shouldSkip;\n\t\tshouldSkip = false;\n\t\tenter.call(context, node, parent, prop, index);\n\t\tconst skipped = shouldSkip;\n\t\tshouldSkip = _shouldSkip;\n\n\t\tif (skipped) return;\n\t}\n\n\tconst keys = node.type && childKeys[node.type] || (\n\t\tchildKeys[node.type] = Object.keys(node).filter(key => typeof node[key] === 'object')\n\t);\n\n\tfor (let i = 0; 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+ end: number; + type: string; + [propName: string]: any; + } + + export type WalkerContext = { + skip: () => void; + }; + + export type WalkerListener = ( + this: WalkerContext, + node: Node, + parent?: Node, + prop?: string, + index?: number + ) => void; + + export interface WalkerOptions { + enter?: WalkerListener; + leave?: WalkerListener; + } + + export function walk(ast: Node, options: WalkerOptions): void; +} diff --git a/node_modules/estree-walker/package.json b/node_modules/estree-walker/package.json new file mode 100644 index 0000000..00a2544 --- /dev/null +++ b/node_modules/estree-walker/package.json @@ -0,0 +1,30 @@ +{ + "name": "estree-walker", + "description": "Traverse an ESTree-compliant AST", + "version": "0.6.1", + "author": "Rich Harris", + "license": "MIT", + "typings": "index.d.ts", + "repository": { + "type": "git", + "url": "https://github.com/Rich-Harris/estree-walker" + }, + "main": "dist/estree-walker.umd.js", + "module": "src/estree-walker.js", + "scripts": { + "prepublishOnly": "npm test", + "build": "rollup -c", + "test": "mocha test/test.js", + "pretest": "npm run build" + }, + "devDependencies": { + "mocha": "^5.2.0", + "rollup": "^0.67.3" + }, + "files": [ + "src", + "dist", + "index.d.ts", + "README.md" + ] +} diff --git a/node_modules/estree-walker/src/estree-walker.js b/node_modules/estree-walker/src/estree-walker.js new file mode 100644 index 0000000..6ecd498 --- /dev/null +++ b/node_modules/estree-walker/src/estree-walker.js @@ -0,0 +1,51 @@ +export function walk(ast, { enter, leave }) { + visit(ast, null, enter, leave); +} + +let shouldSkip = false; +const context = { skip: () => shouldSkip = true }; + +export const childKeys = {}; + +const toString = Object.prototype.toString; + +function isArray(thing) { + return toString.call(thing) === '[object Array]'; +} + +function visit(node, parent, enter, leave, prop, index) { + if (!node) return; + + if (enter) { + const _shouldSkip = shouldSkip; + shouldSkip = false; + enter.call(context, node, parent, prop, index); + const skipped = shouldSkip; + shouldSkip = _shouldSkip; + + if (skipped) return; + } + + const keys = node.type && childKeys[node.type] || ( + childKeys[node.type] = Object.keys(node).filter(key => typeof node[key] === 'object') + ); + + for (let i = 0; i < keys.length; i += 1) { + const key = keys[i]; + const value = node[key]; + + if (isArray(value)) { + for (let j = 0; j < value.length; j += 1) { + value[j] && value[j].type && visit(value[j], node, enter, leave, key, j); + } + } + + else if (value && value.type) { + visit(value, node, enter, leave, key, null); + } + } + + if (leave) { + leave(node, parent, prop, index); + } +} -- cgit v1.2.3