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111 lines
2.5 KiB
111 lines
2.5 KiB
"use strict"; |
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Object.defineProperty(exports, "__esModule", { |
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value: true |
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}); |
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exports.needsParens = needsParens; |
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exports.needsWhitespace = needsWhitespace; |
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exports.needsWhitespaceAfter = needsWhitespaceAfter; |
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exports.needsWhitespaceBefore = needsWhitespaceBefore; |
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var whitespace = require("./whitespace"); |
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var parens = require("./parentheses"); |
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var _t = require("@babel/types"); |
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const { |
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FLIPPED_ALIAS_KEYS, |
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isCallExpression, |
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isExpressionStatement, |
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isMemberExpression, |
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isNewExpression |
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} = _t; |
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function expandAliases(obj) { |
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const newObj = {}; |
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function add(type, func) { |
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const fn = newObj[type]; |
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newObj[type] = fn ? function (node, parent, stack) { |
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const result = fn(node, parent, stack); |
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return result == null ? func(node, parent, stack) : result; |
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} : func; |
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} |
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for (const type of Object.keys(obj)) { |
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const aliases = FLIPPED_ALIAS_KEYS[type]; |
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if (aliases) { |
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for (const alias of aliases) { |
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add(alias, obj[type]); |
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} |
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} else { |
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add(type, obj[type]); |
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} |
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} |
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return newObj; |
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} |
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const expandedParens = expandAliases(parens); |
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const expandedWhitespaceNodes = expandAliases(whitespace.nodes); |
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const expandedWhitespaceList = expandAliases(whitespace.list); |
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function find(obj, node, parent, printStack) { |
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const fn = obj[node.type]; |
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return fn ? fn(node, parent, printStack) : null; |
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} |
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function isOrHasCallExpression(node) { |
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if (isCallExpression(node)) { |
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return true; |
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} |
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return isMemberExpression(node) && isOrHasCallExpression(node.object); |
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} |
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function needsWhitespace(node, parent, type) { |
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if (!node) return false; |
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if (isExpressionStatement(node)) { |
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node = node.expression; |
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} |
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let linesInfo = find(expandedWhitespaceNodes, node, parent); |
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if (!linesInfo) { |
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const items = find(expandedWhitespaceList, node, parent); |
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if (items) { |
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for (let i = 0; i < items.length; i++) { |
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linesInfo = needsWhitespace(items[i], node, type); |
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if (linesInfo) break; |
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} |
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} |
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} |
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if (typeof linesInfo === "object" && linesInfo !== null) { |
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return linesInfo[type] || false; |
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} |
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return false; |
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} |
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function needsWhitespaceBefore(node, parent) { |
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return needsWhitespace(node, parent, "before"); |
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} |
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function needsWhitespaceAfter(node, parent) { |
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return needsWhitespace(node, parent, "after"); |
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} |
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function needsParens(node, parent, printStack) { |
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if (!parent) return false; |
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if (isNewExpression(parent) && parent.callee === node) { |
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if (isOrHasCallExpression(node)) return true; |
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} |
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return find(expandedParens, node, parent, printStack); |
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} |