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‎.editorconfig

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root = true
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[*]
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indent_style = space
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indent_size = 2
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end_of_line = lf
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charset = utf-8
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trim_trailing_whitespace = true
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insert_final_newline = true

‎.github/workflows/bb.yml

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name: bb
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on:
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issues:
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types: [opened, reopened, edited, closed, labeled, unlabeled]
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pull_request_target:
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types: [opened, reopened, edited, closed, labeled, unlabeled]
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jobs:
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main:
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runs-on: ubuntu-latest
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steps:
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- uses: unifiedjs/beep-boop-beta@main
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with:
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repo-token: ${{secrets.GITHUB_TOKEN}}

‎.github/workflows/main.yml

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name: main
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on:
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- pull_request
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- push
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jobs:
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main:
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name: ${{matrix.node}}
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v2
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- uses: dcodeIO/setup-node-nvm@master
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with:
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node-version: ${{matrix.node}}
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- run: npm install
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- run: npm test
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- uses: codecov/codecov-action@v1
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strategy:
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matrix:
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node:
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- lts/fermium
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- node

‎.gitignore

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.DS_Store
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*.d.ts
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*.log
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coverage/
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node_modules/
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yarn.lock

‎.npmrc

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package-lock=false

‎.prettierignore

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coverage/
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*.md
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test/fixtures/

‎index.js

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/**
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* @typedef {import('./lib/index.js').Options} Options
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* @typedef {import('./lib/index.js').Version} Version
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* @typedef {import('./lib/index.js').Plugin} Plugin
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* @typedef {import('./lib/index.js').Value} Value
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*/
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export {fromJs} from './lib/index.js'

‎lib/index.js

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/**
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* @typedef {typeof import('acorn').Parser} ParserClass
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* @typedef {import('acorn').Position} Position
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* @typedef {import('estree-jsx').Comment} Comment
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* @typedef {import('estree-jsx').Program} Program
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* @typedef {import('buffer').Buffer} Buffer
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* @typedef {any extends Buffer ? never : Buffer} MaybeBuffer
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* This is the same as `Buffer` if node types are included, `never` otherwise.
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* @typedef {string|MaybeBuffer} Value
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*
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*
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* @typedef AcornErrorFields
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* @property {number} pos
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* @property {Position} loc
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*
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* @typedef {Error & AcornErrorFields} AcornError
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*
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* @callback Plugin
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* Acorn plugin.
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* @param {ParserClass} Parser
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* Base parser class.
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* @returns {ParserClass}
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* Resulting parser class.
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*
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* @typedef {2015|2016|2017|2018|2019|2020|2021|2022|'latest'} Version
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*
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* @typedef Options
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* Configuration (optional).
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* @property {Version} [version='latest']
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* JavaScript version (year between 2015 and 2022 or `'latest'`).
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* @property {boolean} [module=false]
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* Whether this is a module (ESM) or a script.
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* @property {boolean} [allowReturnOutsideFunction=false]
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* Whether a return statement is allowed in the top scope.
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* @property {boolean} [allowImportExportEverywhere=false]
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* Whether import/export statements are allowed in the every scope.
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* @property {boolean} [allowAwaitOutsideFunction]
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* Whether `await` is allowed in the top scope.
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* Defaults to `version >= 2022`.
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* @property {boolean} [allowSuperOutsideMethod=false]
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* Whether `super` is allowed outside methods.
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* @property {boolean} [allowHashBang=false]
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* Whether a shell hasbang is allowed.
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* @property {Array<Plugin>} [plugins=[]]
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* List of acorn plugins.
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*/
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import {Parser} from 'acorn'
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import {fromEstree} from 'esast-util-from-estree'
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import {VFileMessage} from 'vfile-message'
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/**
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* @param {Value} value
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* @param {Options} [options={}]
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*/
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export function fromJs(value, options = {}) {
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/** @type {ParserClass} */
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let parser = Parser
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/** @type {Array<Comment>} */
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const comments = []
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/** @type {Program} */
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let tree
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if (options.plugins) {
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parser = parser.extend(...options.plugins)
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}
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try {
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// @ts-expect-error: Acorn looks enough like estree.
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tree = parser.parse(value, {
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ecmaVersion: options.version || 'latest',
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sourceType: options.module ? 'module' : 'script',
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allowReturnOutsideFunction: options.allowReturnOutsideFunction,
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allowImportExportEverywhere: options.allowImportExportEverywhere,
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allowAwaitOutsideFunction: options.allowAwaitOutsideFunction,
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allowHashBang: options.allowHashBang,
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allowSuperOutsideMethod: options.allowSuperOutsideMethod,
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locations: true,
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onComment: comments
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})
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} catch (error) {
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const exception = /** @type {AcornError} */ (error)
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exception.message = exception.message.replace(/ \((\d+):(\d+)\)$/, '')
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throw new VFileMessage(
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exception,
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{
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line: exception.loc.line,
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column: exception.loc.column + 1,
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offset: exception.pos
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},
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'esast-util-from-js:acorn'
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)
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}
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tree.comments = comments
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return fromEstree(tree)
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}

‎license

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(The MIT License)
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Copyright (c) 2022 Titus Wormer <[email protected]>
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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'Software'), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

‎package.json

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{
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"name": "esast-util-from-js",
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"version": "0.0.0",
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"description": "estree (and esast) utility to parse from JavaScript",
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"license": "MIT",
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"keywords": [
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"unist",
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"estree",
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"estree-util",
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"esast",
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"esast-util",
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"util",
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"utility",
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"js",
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"parse",
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"tokenize",
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"acorn"
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],
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"repository": "syntax-tree/esast-util-from-js",
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"bugs": "https://github.com/syntax-tree/esast-util-from-js/issues",
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"funding": {
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"type": "opencollective",
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"url": "https://opencollective.com/unified"
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},
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"author": "Titus Wormer <[email protected]> (https://wooorm.com)",
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"contributors": [
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"Titus Wormer <[email protected]> (https://wooorm.com)"
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],
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"sideEffects": false,
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"type": "module",
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"main": "index.js",
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"types": "index.d.ts",
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"files": [
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"lib/",
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"index.d.ts",
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"index.js"
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],
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"dependencies": {
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"@types/estree-jsx": "^0.0.1",
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"acorn": "^8.0.0",
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"esast-util-from-estree": "^1.0.0",
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"vfile-message": "^3.0.0"
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},
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"devDependencies": {
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"@types/tape": "^4.0.0",
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"acorn-stage3": "^4.0.0",
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"c8": "^7.0.0",
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"prettier": "^2.0.0",
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"remark-cli": "^10.0.0",
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"remark-preset-wooorm": "^9.0.0",
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"rimraf": "^3.0.0",
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"tape": "^5.0.0",
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"type-coverage": "^2.0.0",
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"typescript": "^4.0.0",
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"xo": "^0.49.0"
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},
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"scripts": {
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"prepack": "npm run build && npm run format",
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"build": "rimraf \"{lib,test}/**/*.d.ts\" \"*.d.ts\" && tsc && type-coverage",
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"format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",
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"test-api": "node --conditions development test/index.js",
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"test-coverage": "c8 --check-coverage --100 --reporter lcov npm run test-api",
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"test": "npm run build && npm run format && npm run test-coverage"
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},
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"prettier": {
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"tabWidth": 2,
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"useTabs": false,
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"singleQuote": true,
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"bracketSpacing": false,
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"semi": false,
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"trailingComma": "none"
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},
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"xo": {
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"prettier": true,
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"rules": {
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"no-await-in-loop": "off"
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},
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"ignore": [
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"test/fixtures/"
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]
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},
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"remarkConfig": {
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"plugins": [
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"preset-wooorm"
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]
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},
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"typeCoverage": {
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"atLeast": 100,
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"detail": true,
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"strict": true,
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"ignoreFiles": [
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"lib/types.d.ts"
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]
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}
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}

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