@nomiclabs/buidler
Version:
Buidler is an extensible developer tool that helps smart contract developers increase productivity by reliably bringing together the tools they want.
78 lines • 3.25 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const debug_1 = __importDefault(require("debug"));
const find_up_1 = __importDefault(require("find-up"));
const path_1 = __importDefault(require("path"));
const log = debug_1.default("buidler:core:execution-mode");
/**
* This module defines different Buidler execution modes and autodetects them.
*
* IMPORTANT: This will have to be revisited once Yarn PnP and npm's tink get
* widely adopted.
*/
var ExecutionMode;
(function (ExecutionMode) {
ExecutionMode[ExecutionMode["EXECUTION_MODE_TS_NODE_TESTS"] = 0] = "EXECUTION_MODE_TS_NODE_TESTS";
ExecutionMode[ExecutionMode["EXECUTION_MODE_LINKED"] = 1] = "EXECUTION_MODE_LINKED";
ExecutionMode[ExecutionMode["EXECUTION_MODE_GLOBAL_INSTALLATION"] = 2] = "EXECUTION_MODE_GLOBAL_INSTALLATION";
ExecutionMode[ExecutionMode["EXECUTION_MODE_LOCAL_INSTALLATION"] = 3] = "EXECUTION_MODE_LOCAL_INSTALLATION";
})(ExecutionMode = exports.ExecutionMode || (exports.ExecutionMode = {}));
const workingDirectoryOnLoad = process.cwd();
function getExecutionMode() {
const isInstalled = __filename.includes("node_modules");
if (!isInstalled) {
// When running the tests with ts-node we set the CWD to the root of
// buidler-core. We could check if the __filename ends with .ts
if (__dirname.startsWith(workingDirectoryOnLoad)) {
return ExecutionMode.EXECUTION_MODE_TS_NODE_TESTS;
}
return ExecutionMode.EXECUTION_MODE_LINKED;
}
try {
if (require("is-installed-globally")) {
return ExecutionMode.EXECUTION_MODE_GLOBAL_INSTALLATION;
}
}
catch (error) {
log("Failed to load is-installed-globally. Using alternative local installation detection\n", error);
if (!alternativeIsLocalInstallation()) {
return ExecutionMode.EXECUTION_MODE_GLOBAL_INSTALLATION;
}
}
return ExecutionMode.EXECUTION_MODE_LOCAL_INSTALLATION;
}
exports.getExecutionMode = getExecutionMode;
/**
* Checks whether we're using Buidler in development mode (that is, we're working _on_ Buidler).
*/
function isLocalDev() {
const executionMode = getExecutionMode();
return (executionMode === ExecutionMode.EXECUTION_MODE_LINKED ||
executionMode === ExecutionMode.EXECUTION_MODE_TS_NODE_TESTS);
}
exports.isLocalDev = isLocalDev;
/**
* This is a somewhat more limited detection, but we use it if
* is-installed-globally fails.
*
* If a user installs buidler locally, and executes it from outside the
* directory that contains the `node_module` with the installation, this will
* fail and return `false`.
*/
function alternativeIsLocalInstallation() {
let cwd = workingDirectoryOnLoad;
while (true) {
const nodeModules = find_up_1.default.sync("node_modules", { cwd });
if (nodeModules === null) {
return false;
}
if (__dirname.startsWith(nodeModules)) {
return true;
}
cwd = path_1.default.join(nodeModules, "..", "..");
}
}
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