1 | import { SyntaxKind } from 'ts-morph';
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2 |
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3 | export function StringifyArrowFunction(af) {
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4 | let i = 0,
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5 | result = '(';
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6 | const len = af.parameters.length;
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7 | if (len === 1) {
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8 | result = '';
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9 | }
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10 | for (i; i < len; i++) {
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11 | if (af.parameters[i].name && af.parameters[i].name.escapedText) {
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12 | result += af.parameters[i].name.escapedText;
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13 | }
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14 | if (i < len - 1) {
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15 | result += ', ';
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16 | }
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17 | }
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18 | if (len > 1 || len === 0) {
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19 | result += ')';
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20 | }
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21 |
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22 | result += ' => ';
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23 | if (af.body) {
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24 | if (af.body.kind === SyntaxKind.Identifier && af.body.escapedText) {
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25 | result += af.body.escapedText;
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26 | } else if (
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27 | af.body.kind === SyntaxKind.PropertyAccessExpression &&
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28 | af.body.expression &&
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29 | af.body.name
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30 | ) {
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31 | result += af.body.expression.escapedText;
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32 | result += '.' + af.body.name.escapedText;
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33 | } else if (af.body.kind === SyntaxKind.StringLiteral && af.body.text) {
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34 | result += af.body.text;
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35 | }
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36 | }
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37 | return result;
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38 | }
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