@cosmology/ast/module/utils/babel.js

Cosmos TypeScript AST generation

import * as t from '@babel/types';
import { makeCommentBlock } from './utils';
// TODO move to @cosmology/utils package
export const commentBlock = (value) => {
    return {
        type: 'CommentBlock',
        value,
        start: null,
        end: null,
        loc: null
    };
};
export const commentLine = (value) => {
    return {
        type: 'CommentLine',
        value,
        start: null,
        end: null,
        loc: null
    };
};
export function tsMethodSignature(key, typeParameters = null, parameters, typeAnnotation = null, trailingComments, leadingComments) {
    const obj = t.tsMethodSignature(key, typeParameters, parameters, typeAnnotation);
    obj.kind = 'method';
    if (trailingComments && trailingComments.length) {
        obj.trailingComments = trailingComments;
    }
    if (leadingComments && leadingComments.length) {
        obj.leadingComments = leadingComments;
    }
    return obj;
}
export const classMethod = (kind, key, params, body, returnType, leadingComments = [], computed = false, _static = false, generator = false, async = false) => {
    const obj = t.classMethod(kind, key, params, body, computed, _static, generator, async);
    if (returnType) {
        obj.returnType = returnType;
    }
    if (leadingComments) {
        obj.leadingComments = leadingComments;
    }
    return obj;
};
export const tsEnumMember = (id, initializer, leadingComments) => {
    const obj = t.tsEnumMember(id, initializer);
    obj.leadingComments = leadingComments;
    return obj;
};
export const tsPropertySignature = (key, typeAnnotation, optional) => {
    const obj = t.tsPropertySignature(key, typeAnnotation);
    obj.optional = optional;
    return obj;
};
export const functionDeclaration = (id, params, body, generator, async, returnType) => {
    const func = t.functionDeclaration(id, params, body, generator, async);
    func.returnType = returnType;
    return func;
};
export const callExpression = (callee, _arguments, typeParameters) => {
    const callExpr = t.callExpression(callee, _arguments);
    callExpr.typeParameters = typeParameters;
    return callExpr;
};
export const identifier = (name, typeAnnotation, optional = false) => {
    const type = t.identifier(name);
    type.typeAnnotation = typeAnnotation;
    type.optional = optional;
    return type;
};
export const classDeclaration = (id, superClass = null, body, decorators = null, vImplements, superTypeParameters) => {
    const obj = t.classDeclaration(id, superClass, body, decorators);
    if (superTypeParameters) {
        obj.superTypeParameters = superTypeParameters;
    }
    if (vImplements) {
        obj.implements = vImplements;
    }
    return obj;
};
export function classProperty(key, value = null, typeAnnotation = null, decorators = null, computed = false, _static = false, _readonly = false, accessibility, leadingComments = []) {
    const obj = t.classProperty(key, value, typeAnnotation, decorators, computed, _static);
    if (accessibility)
        obj.accessibility = accessibility;
    if (_readonly)
        obj.readonly = _readonly;
    if (leadingComments.length)
        obj.leadingComments = leadingComments;
    return obj;
}
;
export const arrowFunctionExpression = (params, body, returnType, isAsync = false, typeParameters) => {
    const func = t.arrowFunctionExpression(params, body, isAsync);
    func.returnType = returnType;
    func.typeParameters = typeParameters;
    return func;
};
export const tsTypeParameterDeclaration = (params) => {
    const obj = t.tsTypeParameterDeclaration(params);
    delete obj.extra;
    return obj;
};
export const objectPattern = (properties, typeAnnotation) => {
    const obj = t.objectPattern(properties);
    obj.typeAnnotation = typeAnnotation;
    return obj;
};
export const objectMethod = (kind, key, params, body, computed, generator, async, returnType, typeParameters) => {
    const obj = t.objectMethod(kind, key, params, body, computed, generator, async);
    obj.returnType = returnType;
    obj.typeParameters = typeParameters;
    return obj;
};
export const objectProperty = (key, value, computed, shorthand, decorators, leadingComments = []) => {
    const obj = t.objectProperty(key, value, computed, shorthand, decorators);
    if (leadingComments.length)
        obj.leadingComments = leadingComments;
    return obj;
};
export const makeCommentLineWithBlocks = (comment) => {
    if (!comment)
        return [];
    // NOTE using blocks instead of lines here...
    // @ts-ignore
    return [makeCommentBlock(comment)];
};
export const newExpression = (callee, _arguments, typeParameters) => {
    const expr = t.newExpression(callee, _arguments);
    expr.typeParameters = typeParameters;
    return expr;
};