ts-simple-ast/dist/compiler/base/TypeParameteredNode.js

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const errors = require("./../../errors");
const manipulation_1 = require("./../../manipulation");
const utils_1 = require("./../../utils");
const callBaseFill_1 = require("./../callBaseFill");
function TypeParameteredNode(Base) {
    return class extends Base {
        getTypeParameters() {
            const typeParameters = (this.compilerNode.typeParameters || []); // why do I need this assert?
            return typeParameters.map(t => this.global.compilerFactory.getNodeFromCompilerNode(t, this.sourceFile));
        }
        addTypeParameter(structure) {
            return this.addTypeParameters([structure])[0];
        }
        addTypeParameters(structures) {
            return this.insertTypeParameters(manipulation_1.getEndIndexFromArray(this.compilerNode.typeParameters), structures);
        }
        insertTypeParameter(index, structure) {
            return this.insertTypeParameters(index, [structure])[0];
        }
        insertTypeParameters(index, structures) {
            if (utils_1.ArrayUtils.isNullOrEmpty(structures))
                return [];
            const typeParameters = this.getTypeParameters();
            const typeParamCodes = structures.map(s => getStructureCode(s));
            index = manipulation_1.verifyAndGetIndex(index, typeParameters.length);
            if (typeParameters.length === 0) {
                const nameIdentifier = getNamedNode(this).getNameIdentifier();
                manipulation_1.insertIntoParent({
                    insertPos: nameIdentifier.getEnd(),
                    childIndex: nameIdentifier.getChildIndex() + 1,
                    insertItemsCount: 3,
                    parent: this,
                    newText: `<${typeParamCodes.join(", ")}>`
                });
            }
            else {
                manipulation_1.insertIntoCommaSeparatedNodes({ parent: this, currentNodes: typeParameters, insertIndex: index, newTexts: typeParamCodes });
            }
            return this.getTypeParameters().slice(index, index + structures.length);
        }
        fill(structure) {
            callBaseFill_1.callBaseFill(Base.prototype, this, structure);
            if (structure.typeParameters != null && structure.typeParameters.length > 0)
                this.addTypeParameters(structure.typeParameters);
            return this;
        }
    };
}
exports.TypeParameteredNode = TypeParameteredNode;
function getStructureCode(structure) {
    let code = structure.name;
    if (structure.constraint != null && structure.constraint.length > 0)
        code += ` extends ${structure.constraint}`;
    return code;
}
function getNamedNode(node) {
    const namedNode = node;
    /* istanbul ignore if */
    if (namedNode.getNameIdentifier == null)
        throw new errors.NotImplementedError("Not implemented scenario. Type parameters can only be added to a node with a name.");
    return namedNode;
}

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