projen
Version:
CDK for software projects
136 lines • 14.8 kB
JavaScript
;
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Tasks = void 0;
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const fs = require("fs");
const path = require("path");
const component_1 = require("./component");
const json_1 = require("./json");
const logging_1 = require("./logging");
const task_1 = require("./task");
const task_runtime_1 = require("./task-runtime");
/**
* Defines project tasks.
*
* Tasks extend the projen CLI by adding subcommands to it. Task definitions are
* synthesized into `.projen/tasks.json`.
*/
class Tasks extends component_1.Component {
constructor(project) {
super(project);
this._tasks = {};
this._env = {};
new json_1.JsonFile(project, task_runtime_1.TaskRuntime.MANIFEST_FILE, {
omitEmpty: true,
obj: {
tasks: (() => this.renderTasks()),
env: (() => this.renderEnv()),
},
});
}
/**
* All tasks.
*/
get all() {
return Object.values(this._tasks);
}
/**
* Adds a task to a project.
* @param name The name of the task
* @param options Task options.
*/
addTask(name, options = {}) {
const task = new task_1.Task(name, options);
if (this._tasks[name]) {
throw new Error(`A task with the name ${name} already exists. To override it, call removeTask first and then create the new task.`);
}
this._tasks[name] = task;
return task;
}
/**
* Removes a task from a project.
*
* @param name The name of the task to remove.
*
* @returns The `Task` that was removed, otherwise `undefined`.
*/
removeTask(name) {
const dependentTasks = this.all.filter((task) => task.steps.find((step) => step.spawn == name));
if (dependentTasks.length > 0) {
const errList = dependentTasks.map((depTask) => depTask.name).join(", ");
throw new Error(`Unable to remove task "${name}" because the following tasks depend on it: ${errList}`);
}
const task = this._tasks[name];
if (task) {
delete this._tasks[name];
return task;
}
else {
return undefined;
}
}
/**
* Adds global environment.
* @param name Environment variable name
* @param value Value
*/
addEnvironment(name, value) {
this._env[name] = value;
}
/**
* Returns a copy of the currently global environment for this project.
*/
get env() {
return {
...this._env,
};
}
/**
* Finds a task by name. Returns `undefined` if the task cannot be found.
* @param name The name of the task
*/
tryFind(name) {
return this._tasks[name];
}
synthesize() {
if (this.project.ejected) {
// Insert a task-runner script so that tasks can be run after ejecting
fs.mkdirSync(path.join(this.project.outdir, "scripts"), {
recursive: true,
});
fs.copyFileSync(path.join(__dirname, "..", "lib", "run-task.cjs"), path.join(this.project.outdir, "scripts", "run-task.cjs"));
fs.chmodSync(path.join(this.project.outdir, "scripts", "run-task.cjs"), "755");
}
}
renderTasks() {
const tasks = {};
for (const task of Object.values(this._tasks).sort((x, y) => x.name.localeCompare(y.name))) {
tasks[task.name] = task._renderSpec();
}
return tasks;
}
renderEnv() {
return Object.keys(this._env).reduce((prev, curr) => ({
...prev,
[curr]: this.getEnvString(curr, this._env[curr]),
}), {});
}
/**
* Ensure that environment variables are persisted as strings
* to prevent type errors when parsing from tasks.json in future
*/
getEnvString(name, value) {
if (typeof value !== "string" && value !== undefined) {
(0, logging_1.warn)(`Received non-string value for environment variable ${name}. Value will be stringified.`);
return String(value);
}
else {
return value;
}
}
}
exports.Tasks = Tasks;
_a = JSII_RTTI_SYMBOL_1;
Tasks[_a] = { fqn: "projen.Tasks", version: "0.95.2" };
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Task definitions are\n * synthesized into `.projen/tasks.json`.\n */\nexport class Tasks extends Component {\n  private readonly _tasks: { [name: string]: Task };\n  private readonly _env: { [name: string]: string };\n\n  constructor(project: Project) {\n    super(project);\n\n    this._tasks = {};\n    this._env = {};\n\n    new JsonFile(project, TaskRuntime.MANIFEST_FILE, {\n      omitEmpty: true,\n      obj: {\n        tasks: (() => this.renderTasks()) as any,\n        env: (() => this.renderEnv()) as any,\n      } as TasksManifest,\n    });\n  }\n\n  /**\n   * All tasks.\n   */\n  public get all() {\n    return Object.values(this._tasks);\n  }\n\n  /**\n   * Adds a task to a project.\n   * @param name The name of the task\n   * @param options Task options.\n   */\n  public addTask(name: string, options: TaskOptions = {}) {\n    const task = new Task(name, options);\n    if (this._tasks[name]) {\n      throw new Error(\n        `A task with the name ${name} already exists. To override it, call removeTask first and then create the new task.`\n      );\n    }\n    this._tasks[name] = task;\n    return task;\n  }\n\n  /**\n   * Removes a task from a project.\n   *\n   * @param name The name of the task to remove.\n   *\n   * @returns The `Task` that was removed, otherwise `undefined`.\n   */\n  public removeTask(name: string): undefined | Task {\n    const dependentTasks = this.all.filter((task) =>\n      task.steps.find((step) => step.spawn == name)\n    );\n    if (dependentTasks.length > 0) {\n      const errList = dependentTasks.map((depTask) => depTask.name).join(\", \");\n      throw new Error(\n        `Unable to remove task \"${name}\" because the following tasks depend on it: ${errList}`\n      );\n    }\n\n    const task = this._tasks[name];\n    if (task) {\n      delete this._tasks[name];\n      return task;\n    } else {\n      return undefined;\n    }\n  }\n\n  /**\n   * Adds global environment.\n   * @param name Environment variable name\n   * @param value Value\n   */\n  public addEnvironment(name: string, value: string) {\n    this._env[name] = value;\n  }\n\n  /**\n   * Returns a copy of the currently global environment for this project.\n   */\n  public get env(): { [key: string]: string } {\n    return {\n      ...this._env,\n    };\n  }\n\n  /**\n   * Finds a task by name. Returns `undefined` if the task cannot be found.\n   * @param name The name of the task\n   */\n  public tryFind(name: string): undefined | Task {\n    return this._tasks[name];\n  }\n\n  public synthesize(): void {\n    if (this.project.ejected) {\n      // Insert a task-runner script so that tasks can be run after ejecting\n      fs.mkdirSync(path.join(this.project.outdir, \"scripts\"), {\n        recursive: true,\n      });\n      fs.copyFileSync(\n        path.join(__dirname, \"..\", \"lib\", \"run-task.cjs\"),\n        path.join(this.project.outdir, \"scripts\", \"run-task.cjs\")\n      );\n      fs.chmodSync(\n        path.join(this.project.outdir, \"scripts\", \"run-task.cjs\"),\n        \"755\"\n      );\n    }\n  }\n\n  private renderTasks() {\n    const tasks: { [name: string]: TaskSpec } = {};\n    for (const task of Object.values(this._tasks).sort((x, y) =>\n      x.name.localeCompare(y.name)\n    )) {\n      tasks[task.name] = task._renderSpec();\n    }\n\n    return tasks;\n  }\n\n  private renderEnv() {\n    return Object.keys(this._env).reduce(\n      (prev, curr) => ({\n        ...prev,\n        [curr]: this.getEnvString(curr, this._env[curr]),\n      }),\n      {}\n    );\n  }\n\n  /**\n   * Ensure that environment variables are persisted as strings\n   * to prevent type errors when parsing from tasks.json in future\n   */\n  private getEnvString(name: string, value: any) {\n    if (typeof value !== \"string\" && value !== undefined) {\n      warn(\n        `Received non-string value for environment variable ${name}. Value will be stringified.`\n      );\n      return String(value);\n    } else {\n      return value;\n    }\n  }\n}\n"]}