1 | import inspect from '../jsutils/inspect';
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2 | import invariant from '../jsutils/invariant';
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3 | import keyValMap from '../jsutils/keyValMap';
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4 | import isInvalid from '../jsutils/isInvalid';
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5 | import { Kind } from '../language/kinds';
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23 | export function valueFromASTUntyped(valueNode, variables) {
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24 | switch (valueNode.kind) {
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25 | case Kind.NULL:
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26 | return null;
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27 |
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28 | case Kind.INT:
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29 | return parseInt(valueNode.value, 10);
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30 |
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31 | case Kind.FLOAT:
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32 | return parseFloat(valueNode.value);
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33 |
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34 | case Kind.STRING:
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35 | case Kind.ENUM:
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36 | case Kind.BOOLEAN:
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37 | return valueNode.value;
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38 |
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39 | case Kind.LIST:
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40 | return valueNode.values.map(function (node) {
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41 | return valueFromASTUntyped(node, variables);
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42 | });
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43 |
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44 | case Kind.OBJECT:
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45 | return keyValMap(valueNode.fields, function (field) {
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46 | return field.name.value;
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47 | }, function (field) {
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48 | return valueFromASTUntyped(field.value, variables);
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49 | });
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50 |
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51 | case Kind.VARIABLE:
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52 | {
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53 | var variableName = valueNode.name.value;
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54 | return variables && !isInvalid(variables[variableName]) ? variables[variableName] : undefined;
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55 | }
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56 | }
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57 |
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58 |
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59 |
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60 | invariant(false, 'Unexpected value node: ' + inspect(valueNode));
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61 | }
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