59 lines
2.2 KiB
JavaScript
59 lines
2.2 KiB
JavaScript
var __assign = (this && this.__assign) || function () {
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__assign = Object.assign || function(t) {
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for (var s, i = 1, n = arguments.length; i < n; i++) {
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s = arguments[i];
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
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t[p] = s[p];
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}
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return t;
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};
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return __assign.apply(this, arguments);
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var graphql_1 = require("graphql");
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var ExtractField = /** @class */ (function () {
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function ExtractField(_a) {
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var from = _a.from, to = _a.to;
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this.from = from;
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this.to = to;
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}
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ExtractField.prototype.transformRequest = function (originalRequest) {
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var _a, _b;
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var fromSelection;
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var ourPathFrom = JSON.stringify(this.from);
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var ourPathTo = JSON.stringify(this.to);
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var fieldPath = [];
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graphql_1.visit(originalRequest.document, (_a = {},
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_a[graphql_1.Kind.FIELD] = {
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enter: function (node) {
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fieldPath.push(node.name.value);
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if (ourPathFrom === JSON.stringify(fieldPath)) {
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fromSelection = node.selectionSet;
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return graphql_1.BREAK;
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}
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},
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leave: function (node) {
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fieldPath.pop();
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},
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},
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_a));
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fieldPath = [];
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var newDocument = graphql_1.visit(originalRequest.document, (_b = {},
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_b[graphql_1.Kind.FIELD] = {
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enter: function (node) {
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fieldPath.push(node.name.value);
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if (ourPathTo === JSON.stringify(fieldPath) && fromSelection) {
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return __assign(__assign({}, node), { selectionSet: fromSelection });
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}
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},
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leave: function (node) {
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fieldPath.pop();
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},
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},
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_b));
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return __assign(__assign({}, originalRequest), { document: newDocument });
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};
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return ExtractField;
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}());
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exports.default = ExtractField;
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//# sourceMappingURL=ExtractField.js.map
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