@cdktf/hcl2cdk
Version:
Transform HCL into CDK
239 lines • 28.4 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.findExpressionType = exports.coerceType = exports.typeForCallExpression = void 0;
// Copyright (c) HashiCorp, Inc
// SPDX-License-Identifier: MPL-2.0
const template_1 = __importDefault(require("@babel/template"));
const t = __importStar(require("@babel/types"));
const commons_1 = require("@cdktf/commons");
const deep_equal_1 = __importDefault(require("deep-equal"));
const functions_1 = require("./function-bindings/functions");
const terraformSchema_1 = require("./terraformSchema");
const codemaker_1 = require("codemaker");
function changeValueAccessor(ast, newAccessor) {
const propertyIdentifier = {
...ast.property,
name: newAccessor,
};
return {
...ast,
property: propertyIdentifier,
};
}
function typeForCallExpression(ast) {
// Find all cdktf.Fn.* calls
if (t.isMemberExpression(ast.callee) &&
t.isMemberExpression(ast.callee.object) &&
t.isIdentifier(ast.callee.object.object) &&
ast.callee.object.object.name === "cdktf" &&
t.isIdentifier(ast.callee.object.property) &&
ast.callee.object.property.name === "Fn" &&
t.isIdentifier(ast.callee.property)) {
const meta = functions_1.tsFunctionsMap[ast.callee.property.name];
if (meta) {
return meta.returnType;
}
else {
return "dynamic";
}
}
// cdktf.conditional, cdktf.propertyAccess, cdktf.Op.* are all dynamic
// By default we assume dynamic
return "dynamic";
}
exports.typeForCallExpression = typeForCallExpression;
const coerceType = (scope, ast, from, to) => {
if (to === undefined) {
return ast;
}
if ((0, deep_equal_1.default)(to, from)) {
return ast;
}
const isTerraformVariableOrLocal = ast.type === "MemberExpression" &&
ast.property.type === "Identifier" &&
ast.property.name === "value" &&
ast.object.type === "Identifier" &&
Object.values(scope.variables).some((knownVars) => knownVars.variableName === ast.object.name &&
["var", "local"].includes(knownVars.resource));
const addTokenToImports = () => scope.importables.push({
constructName: "Token",
provider: "cdktf",
});
if (Array.isArray(to)) {
if (to[0] === "list" || to[0] === "set") {
switch (to[1]) {
case "string":
if (isTerraformVariableOrLocal) {
return changeValueAccessor(ast, "listValue");
}
addTokenToImports();
return template_1.default.expression(`Token.asList(%%ast%%)`)({
ast: ast,
});
case "number":
addTokenToImports();
return template_1.default.expression(`Token.asNumberList(%%ast%%)`)({
ast: ast,
});
case "bool":
addTokenToImports();
return template_1.default.expression(`Token.asAny(%%ast%%)`)({
ast: ast,
});
default:
addTokenToImports();
return template_1.default.expression(`Token.asAny(%%ast%%)`)({
ast: ast,
});
}
}
if (to[0] === "map") {
switch (to[1]) {
case "string":
addTokenToImports();
return template_1.default.expression(`Token.asStringMap(%%ast%%)`)({
ast: ast,
});
case "number":
addTokenToImports();
return template_1.default.expression(`Token.asNumberMap(%%ast%%)`)({
ast: ast,
});
case "bool":
addTokenToImports();
return template_1.default.expression(`Token.asBooleanMap(%%ast%%)`)({
ast: ast,
});
default:
addTokenToImports();
return template_1.default.expression(`Token.asAnyMap(%%ast%%)`)({
ast: ast,
});
}
}
}
switch (to) {
case "number":
if (isTerraformVariableOrLocal) {
return changeValueAccessor(ast, "numberValue");
}
addTokenToImports();
return template_1.default.expression(`Token.asNumber(%%ast%%)`)({
ast: ast,
});
case "string":
if (isTerraformVariableOrLocal) {
return changeValueAccessor(ast, "stringValue");
}
addTokenToImports();
return template_1.default.expression(`Token.asString(%%ast%%)`)({
ast: ast,
});
case "bool":
if (isTerraformVariableOrLocal) {
return changeValueAccessor(ast, "booleanValue");
}
addTokenToImports();
return template_1.default.expression(`Token.asBoolean(%%ast%%)`)({
ast: ast,
});
}
commons_1.logger.debug(`Could not coerce from ${from} to ${to} for ${ast}`);
return ast;
};
exports.coerceType = coerceType;
function findExpressionType(scope, ast) {
const isReferenceWithoutTemplateString = ast.type === "MemberExpression" && ast.object.type === "Identifier";
// If we have a property to cdktf.propertyAccess call it's dynamic
if (ast.type === "CallExpression") {
return typeForCallExpression(ast);
}
if (ast.type === "StringLiteral") {
return "string";
}
if (ast.type === "NumericLiteral") {
return "number";
}
if (ast.type === "BooleanLiteral") {
return "bool";
}
// If we only have one reference this is a
if (isReferenceWithoutTemplateString) {
const destructuredAst = destructureAst(ast);
if (!destructuredAst) {
commons_1.logger.debug(`Could not destructure ast: ${JSON.stringify(ast, null, 2)}`);
return "dynamic";
}
const [astVariableName, ...attributes] = destructuredAst;
const variable = Object.values(scope.variables).find((x) => x.variableName === astVariableName);
if (!variable) {
commons_1.logger.debug(`Could not find variable ${astVariableName} given scope: ${JSON.stringify(scope.variables, null, 2)}`);
// We don't know, this should not happen, but if it does we assume the worst case and make it dynamic
return "dynamic";
}
if (variable.resource === "var") {
return "dynamic";
}
const { resource: resourceType } = variable;
const [provider, ...resourceNameFragments] = resourceType.split("_");
const tfResourcePath = `${provider}.${resourceNameFragments.join("_")}.${attributes.map((x) => (0, codemaker_1.toSnakeCase)(x)).join(".")}`;
const type = (0, terraformSchema_1.getTypeAtPath)(scope.providerSchema, tfResourcePath);
// If this is an attribute type we can return it
if (typeof type === "string" || Array.isArray(type)) {
return type;
}
// Either nothing is found or it's a block type
return "dynamic";
}
return "string";
}
exports.findExpressionType = findExpressionType;
/*
* Transforms a babel AST into a list of string accessors
* e.g. foo.bar.baz -> ["foo", "bar", "baz"]
*/
function destructureAst(ast) {
switch (ast.type) {
case "Identifier":
return [ast.name];
case "MemberExpression": {
const object = destructureAst(ast.object);
const property = destructureAst(ast.property);
if (object && property) {
return [...object, ...property];
}
else {
return undefined;
}
}
default:
return undefined;
}
}
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Copyright (c) HashiCorp, Inc\n// SPDX-License-Identifier: MPL-2.0\nimport template from \"@babel/template\";\nimport * as t from \"@babel/types\";\nimport { logger, AttributeType } from \"@cdktf/commons\";\nimport { ProgramScope } from \"./types\";\nimport deepEqual from \"deep-equal\";\nimport { tsFunctionsMap } from \"./function-bindings/functions\";\nimport { getTypeAtPath } from \"./terraformSchema\";\nimport { toSnakeCase } from \"codemaker\";\n\nfunction changeValueAccessor(\n  ast: t.MemberExpression,\n  newAccessor: string,\n): t.MemberExpression {\n  const propertyIdentifier: t.Identifier = {\n    ...(ast.property as t.Identifier),\n    name: newAccessor,\n  };\n  return {\n    ...ast,\n    property: propertyIdentifier,\n  };\n}\n\nexport function typeForCallExpression(ast: t.CallExpression): AttributeType {\n  // Find all cdktf.Fn.* calls\n  if (\n    t.isMemberExpression(ast.callee) &&\n    t.isMemberExpression(ast.callee.object) &&\n    t.isIdentifier(ast.callee.object.object) &&\n    ast.callee.object.object.name === \"cdktf\" &&\n    t.isIdentifier(ast.callee.object.property) &&\n    ast.callee.object.property.name === \"Fn\" &&\n    t.isIdentifier(ast.callee.property)\n  ) {\n    const meta = tsFunctionsMap[ast.callee.property.name];\n    if (meta) {\n      return meta.returnType;\n    } else {\n      return \"dynamic\";\n    }\n  }\n\n  // cdktf.conditional, cdktf.propertyAccess, cdktf.Op.* are all dynamic\n  // By default we assume dynamic\n  return \"dynamic\";\n}\n\nexport const coerceType = (\n  scope: ProgramScope,\n  ast: t.Expression,\n  from: AttributeType,\n  to: AttributeType | undefined,\n): t.Expression => {\n  if (to === undefined) {\n    return ast;\n  }\n\n  if (deepEqual(to, from)) {\n    return ast;\n  }\n\n  const isTerraformVariableOrLocal =\n    ast.type === \"MemberExpression\" &&\n    ast.property.type === \"Identifier\" &&\n    ast.property.name === \"value\" &&\n    ast.object.type === \"Identifier\" &&\n    Object.values(scope.variables).some(\n      (knownVars) =>\n        knownVars.variableName === (ast.object as t.Identifier).name &&\n        [\"var\", \"local\"].includes(knownVars.resource),\n    );\n\n  const addTokenToImports = () =>\n    scope.importables.push({\n      constructName: \"Token\",\n      provider: \"cdktf\",\n    });\n\n  if (Array.isArray(to)) {\n    if (to[0] === \"list\" || to[0] === \"set\") {\n      switch (to[1]) {\n        case \"string\":\n          if (isTerraformVariableOrLocal) {\n            return changeValueAccessor(ast as t.MemberExpression, \"listValue\");\n          }\n\n          addTokenToImports();\n          return template.expression(`Token.asList(%%ast%%)`)({\n            ast: ast,\n          }) as t.Expression;\n        case \"number\":\n          addTokenToImports();\n          return template.expression(`Token.asNumberList(%%ast%%)`)({\n            ast: ast,\n          }) as t.Expression;\n        case \"bool\":\n          addTokenToImports();\n          return template.expression(`Token.asAny(%%ast%%)`)({\n            ast: ast,\n          }) as t.Expression;\n        default:\n          addTokenToImports();\n          return template.expression(`Token.asAny(%%ast%%)`)({\n            ast: ast,\n          }) as t.Expression;\n      }\n    }\n\n    if (to[0] === \"map\") {\n      switch (to[1]) {\n        case \"string\":\n          addTokenToImports();\n          return template.expression(`Token.asStringMap(%%ast%%)`)({\n            ast: ast,\n          }) as t.Expression;\n        case \"number\":\n          addTokenToImports();\n          return template.expression(`Token.asNumberMap(%%ast%%)`)({\n            ast: ast,\n          }) as t.Expression;\n        case \"bool\":\n          addTokenToImports();\n          return template.expression(`Token.asBooleanMap(%%ast%%)`)({\n            ast: ast,\n          }) as t.Expression;\n        default:\n          addTokenToImports();\n          return template.expression(`Token.asAnyMap(%%ast%%)`)({\n            ast: ast,\n          }) as t.Expression;\n      }\n    }\n  }\n\n  switch (to) {\n    case \"number\":\n      if (isTerraformVariableOrLocal) {\n        return changeValueAccessor(ast as t.MemberExpression, \"numberValue\");\n      }\n      addTokenToImports();\n      return template.expression(`Token.asNumber(%%ast%%)`)({\n        ast: ast,\n      }) as t.Expression;\n    case \"string\":\n      if (isTerraformVariableOrLocal) {\n        return changeValueAccessor(ast as t.MemberExpression, \"stringValue\");\n      }\n      addTokenToImports();\n      return template.expression(`Token.asString(%%ast%%)`)({\n        ast: ast,\n      }) as t.Expression;\n    case \"bool\":\n      if (isTerraformVariableOrLocal) {\n        return changeValueAccessor(ast as t.MemberExpression, \"booleanValue\");\n      }\n      addTokenToImports();\n      return template.expression(`Token.asBoolean(%%ast%%)`)({\n        ast: ast,\n      }) as t.Expression;\n  }\n\n  logger.debug(`Could not coerce from ${from} to ${to} for ${ast}`);\n  return ast;\n};\n\nexport function findExpressionType(\n  scope: ProgramScope,\n  ast: t.Expression,\n): AttributeType {\n  const isReferenceWithoutTemplateString =\n    ast.type === \"MemberExpression\" && ast.object.type === \"Identifier\";\n\n  // If we have a property to cdktf.propertyAccess call it's dynamic\n  if (ast.type === \"CallExpression\") {\n    return typeForCallExpression(ast);\n  }\n\n  if (ast.type === \"StringLiteral\") {\n    return \"string\";\n  }\n  if (ast.type === \"NumericLiteral\") {\n    return \"number\";\n  }\n  if (ast.type === \"BooleanLiteral\") {\n    return \"bool\";\n  }\n\n  // If we only have one reference this is a\n  if (isReferenceWithoutTemplateString) {\n    const destructuredAst = destructureAst(ast);\n    if (!destructuredAst) {\n      logger.debug(\n        `Could not destructure ast: ${JSON.stringify(ast, null, 2)}`,\n      );\n      return \"dynamic\";\n    }\n\n    const [astVariableName, ...attributes] = destructuredAst;\n    const variable = Object.values(scope.variables).find(\n      (x) => x.variableName === astVariableName,\n    );\n\n    if (!variable) {\n      logger.debug(\n        `Could not find variable ${astVariableName} given scope: ${JSON.stringify(\n          scope.variables,\n          null,\n          2,\n        )}`,\n      );\n      // We don't know, this should not happen, but if it does we assume the worst case and make it dynamic\n      return \"dynamic\";\n    }\n\n    if (variable.resource === \"var\") {\n      return \"dynamic\";\n    }\n\n    const { resource: resourceType } = variable;\n    const [provider, ...resourceNameFragments] = resourceType.split(\"_\");\n    const tfResourcePath = `${provider}.${resourceNameFragments.join(\n      \"_\",\n    )}.${attributes.map((x) => toSnakeCase(x)).join(\".\")}`;\n    const type = getTypeAtPath(scope.providerSchema, tfResourcePath);\n\n    // If this is an attribute type we can return it\n    if (typeof type === \"string\" || Array.isArray(type)) {\n      return type;\n    }\n\n    // Either nothing is found or it's a block type\n    return \"dynamic\";\n  }\n\n  return \"string\";\n}\n\n/*\n * Transforms a babel AST into a list of string accessors\n * e.g. foo.bar.baz -> [\"foo\", \"bar\", \"baz\"]\n */\nfunction destructureAst(ast: t.Expression): string[] | undefined {\n  switch (ast.type) {\n    case \"Identifier\":\n      return [ast.name];\n    case \"MemberExpression\": {\n      const object = destructureAst(ast.object);\n      const property = destructureAst(ast.property as t.Expression);\n      if (object && property) {\n        return [...object, ...property];\n      } else {\n        return undefined;\n      }\n    }\n    default:\n      return undefined;\n  }\n}\n"]}