🎉 initiate project *astro_rewrite*
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54
node_modules/hast-util-to-estree/lib/handlers/root.js
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node_modules/hast-util-to-estree/lib/handlers/root.js
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/**
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* @typedef {import('hast').Root} Root
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* @typedef {import('estree-jsx').JSXFragment} JsxFragment
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* @typedef {JsxFragment['children'][number]} JsxChild
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* @typedef {import('../state.js').State} State
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*/
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import {whitespace} from 'hast-util-whitespace'
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/**
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* Turn a hast root node into an estree node.
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*
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* @param {Root} node
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* hast node to transform.
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* @param {State} state
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* Info passed around about the current state.
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* @returns {JsxFragment}
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* estree JSX fragment.
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*/
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export function root(node, state) {
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const children = state.all(node)
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/** @type {Array<JsxChild>} */
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const cleanChildren = []
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let index = -1
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/** @type {Array<JsxChild> | undefined} */
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let queue
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// Remove surrounding whitespace nodes from the fragment.
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while (++index < children.length) {
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const child = children[index]
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if (
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child.type === 'JSXExpressionContainer' &&
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child.expression.type === 'Literal' &&
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whitespace(child.expression.value)
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) {
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if (queue) queue.push(child)
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} else {
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if (queue) cleanChildren.push(...queue)
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cleanChildren.push(child)
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queue = []
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}
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}
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/** @type {JsxFragment} */
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const result = {
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type: 'JSXFragment',
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openingFragment: {type: 'JSXOpeningFragment'},
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closingFragment: {type: 'JSXClosingFragment'},
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children: cleanChildren
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}
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state.inherit(node, result)
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return result
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}
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