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backend/node_modules/@chevrotain/cst-dts-gen/lib/src/model.js

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+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.buildModel = void 0;
+var gast_1 = require("@chevrotain/gast");
+var map_1 = __importDefault(require("lodash/map"));
+var flatten_1 = __importDefault(require("lodash/flatten"));
+var values_1 = __importDefault(require("lodash/values"));
+var some_1 = __importDefault(require("lodash/some"));
+var groupBy_1 = __importDefault(require("lodash/groupBy"));
+var assign_1 = __importDefault(require("lodash/assign"));
+function buildModel(productions) {
+    var generator = new CstNodeDefinitionGenerator();
+    var allRules = (0, values_1.default)(productions);
+    return (0, map_1.default)(allRules, function (rule) { return generator.visitRule(rule); });
+}
+exports.buildModel = buildModel;
+var CstNodeDefinitionGenerator = /** @class */ (function (_super) {
+    __extends(CstNodeDefinitionGenerator, _super);
+    function CstNodeDefinitionGenerator() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    CstNodeDefinitionGenerator.prototype.visitRule = function (node) {
+        var rawElements = this.visitEach(node.definition);
+        var grouped = (0, groupBy_1.default)(rawElements, function (el) { return el.propertyName; });
+        var properties = (0, map_1.default)(grouped, function (group, propertyName) {
+            var allNullable = !(0, some_1.default)(group, function (el) { return !el.canBeNull; });
+            // In an alternation with a label a property name can have
+            // multiple types.
+            var propertyType = group[0].type;
+            if (group.length > 1) {
+                propertyType = (0, map_1.default)(group, function (g) { return g.type; });
+            }
+            return {
+                name: propertyName,
+                type: propertyType,
+                optional: allNullable
+            };
+        });
+        return {
+            name: node.name,
+            properties: properties
+        };
+    };
+    CstNodeDefinitionGenerator.prototype.visitAlternative = function (node) {
+        return this.visitEachAndOverrideWith(node.definition, { canBeNull: true });
+    };
+    CstNodeDefinitionGenerator.prototype.visitOption = function (node) {
+        return this.visitEachAndOverrideWith(node.definition, { canBeNull: true });
+    };
+    CstNodeDefinitionGenerator.prototype.visitRepetition = function (node) {
+        return this.visitEachAndOverrideWith(node.definition, { canBeNull: true });
+    };
+    CstNodeDefinitionGenerator.prototype.visitRepetitionMandatory = function (node) {
+        return this.visitEach(node.definition);
+    };
+    CstNodeDefinitionGenerator.prototype.visitRepetitionMandatoryWithSeparator = function (node) {
+        return this.visitEach(node.definition).concat({
+            propertyName: node.separator.name,
+            canBeNull: true,
+            type: getType(node.separator)
+        });
+    };
+    CstNodeDefinitionGenerator.prototype.visitRepetitionWithSeparator = function (node) {
+        return this.visitEachAndOverrideWith(node.definition, {
+            canBeNull: true
+        }).concat({
+            propertyName: node.separator.name,
+            canBeNull: true,
+            type: getType(node.separator)
+        });
+    };
+    CstNodeDefinitionGenerator.prototype.visitAlternation = function (node) {
+        return this.visitEachAndOverrideWith(node.definition, { canBeNull: true });
+    };
+    CstNodeDefinitionGenerator.prototype.visitTerminal = function (node) {
+        return [
+            {
+                propertyName: node.label || node.terminalType.name,
+                canBeNull: false,
+                type: getType(node)
+            }
+        ];
+    };
+    CstNodeDefinitionGenerator.prototype.visitNonTerminal = function (node) {
+        return [
+            {
+                propertyName: node.label || node.nonTerminalName,
+                canBeNull: false,
+                type: getType(node)
+            }
+        ];
+    };
+    CstNodeDefinitionGenerator.prototype.visitEachAndOverrideWith = function (definition, override) {
+        return (0, map_1.default)(this.visitEach(definition), function (definition) { return (0, assign_1.default)({}, definition, override); });
+    };
+    CstNodeDefinitionGenerator.prototype.visitEach = function (definition) {
+        var _this = this;
+        return (0, flatten_1.default)((0, map_1.default)(definition, function (definition) { return _this.visit(definition); }));
+    };
+    return CstNodeDefinitionGenerator;
+}(gast_1.GAstVisitor));
+function getType(production) {
+    if (production instanceof gast_1.NonTerminal) {
+        return {
+            kind: "rule",
+            name: production.referencedRule.name
+        };
+    }
+    return { kind: "token" };
+}
+//# sourceMappingURL=model.js.map