projen
Version:
CDK for software projects
324 lines • 39.2 kB
JavaScript
;
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.DependencyType = exports.Dependencies = void 0;
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const path = require("path");
const chalk_1 = require("chalk");
const semver = require("semver");
const common_1 = require("./common");
const component_1 = require("./component");
const json_1 = require("./json");
/**
* The `Dependencies` component is responsible to track the list of dependencies
* a project has, and then used by project types as the model for rendering
* project-specific dependency manifests such as the dependencies section
* `package.json` files.
*
* To add a dependency you can use a project-type specific API such as
* `nodeProject.addDeps()` or use the generic API of `project.deps`:
*/
class Dependencies extends component_1.Component {
/**
* Returns the coordinates of a dependency spec.
*
* Given `foo@^3.4.0` returns `{ name: "foo", version: "^3.4.0" }`.
* Given `bar@npm:@bar/legacy` returns `{ name: "bar", version: "npm:@bar/legacy" }`.
*/
static parseDependency(spec) {
const scope = spec.startsWith("@");
if (scope) {
spec = spec.substr(1);
}
const [module, ...version] = spec.split("@");
const name = scope ? `@${module}` : module;
if (version.length == 0) {
return { name };
}
else {
return { name, version: version?.join("@") };
}
}
/**
* Adds a dependencies component to the project.
* @param project The parent project
*/
constructor(project) {
super(project);
this._deps = new Array();
// this is not really required at the moment, but actually quite useful as a
// checked-in source of truth for dependencies and will potentially be
// valuable in the future for CLI tools.
if (!project.ejected) {
new json_1.JsonFile(project, Dependencies.MANIFEST_FILE, {
omitEmpty: true,
obj: () => this.toJson(),
});
}
}
/**
* A copy of all dependencies recorded for this project.
*
* The list is sorted by type->name->version
*/
get all() {
return [...this._deps].sort(compareDeps).map(normalizeDep);
}
/**
* Returns a dependency by name.
*
* Fails if there is no dependency defined by that name or if `type` is not
* provided and there is more then one dependency type for this dependency.
*
* @param name The name of the dependency
* @param type The dependency type. If this dependency is defined only for a
* single type, this argument can be omitted.
*
* @returns a copy (cannot be modified)
*/
getDependency(name, type) {
const dep = this.tryGetDependency(name, type);
if (!dep) {
const msg = type
? `there is no ${type} dependency defined on "${name}"`
: `there is no dependency defined on "${name}"`;
throw new Error(msg);
}
return dep;
}
/**
* Returns a dependency by name.
*
* Returns `undefined` if there is no dependency defined by that name or if
* `type` is not provided and there is more then one dependency type for this
* dependency.
*
* @param name The name of the dependency
* @param type The dependency type. If this dependency is defined only for a
* single type, this argument can be omitted.
*
* @returns a copy (cannot be modified) or undefined if there is no match
*/
tryGetDependency(name, type) {
const idx = this.tryGetDependencyIndex(name, type);
if (idx === -1) {
return undefined;
}
return {
...normalizeDep(this._deps[idx]),
};
}
/**
* Adds a dependency to this project.
* @param spec The dependency spec in the format `MODULE[@VERSION]` where
* `MODULE` is the package-manager-specific module name and `VERSION` is an
* optional semantic version requirement (e.g. `^3.4.0`).
* @param type The type of the dependency.
*/
addDependency(spec, type, metadata = {}) {
this.project.logger.verbose(`${(0, chalk_1.underline)("Dependency")} | Adding ${type}-dep \`${spec}\``);
const dep = {
...Dependencies.parseDependency(spec),
type,
metadata,
};
const existingDepIndex = this.tryGetDependencyIndex(dep.name, type);
if (existingDepIndex !== -1) {
this.project.logger.debug(`${(0, chalk_1.underline)("Dependency")} | Updating existing ${dep.type}-dep \`${dep.name}\` with more specific request.`);
this._deps[existingDepIndex] = dep;
}
else {
this._deps.push(dep);
}
return dep;
}
/**
* Removes a dependency.
* @param name The name of the module to remove (without the version)
* @param type The dependency type. This is only required if there the
* dependency is defined for multiple types.
*/
removeDependency(name, type) {
const removeIndex = this.tryGetDependencyIndex(name, type);
if (removeIndex === -1) {
return;
}
this._deps.splice(removeIndex, 1);
}
/**
* Checks if an existing dependency satisfies a dependency requirement.
* @param name The name of the dependency to check (without the version).
* @param type The dependency type.
* @param expectedRange The version constraint to check (e.g. `^3.4.0`).
* The constraint of the dependency must be a subset of the expected range to satisfy the requirements.
* @returns `true` if the dependency exists and its version satisfies the provided constraint. `false` otherwise.
* Notably returns `false` if a dependency exists, but has no version.
*/
isDependencySatisfied(name, type, expectedRange) {
const dep = this.tryGetDependency(name, type);
return dep?.version != null && semver.subset(dep.version, expectedRange);
}
/**
* Request a dependency. Unlike `addDependency`, this merges intelligently
* with existing dependencies of the same name and type:
*
* - If the dep exists with a version that already satisfies the request,
* the version is not changed.
* - If the dep doesn't exist, it is added with the requested type/version.
* - If the dep exists but the versions don't intersect, an error is thrown.
* - If no type is provided, an existing dependency of any type will satisfy
* the request. If none exists, it is added as BUILD.
*
* @param request The dependency request.
* @returns The resulting dependency after merging.
*/
requestDependency(request) {
// When type is not specified, find any existing dep with this name
const requestedType = request.type ??
this.findExistingInstallableType(request.name) ??
DependencyType.BUILD;
const existing = this.tryGetDependency(request.name, requestedType);
if (!existing) {
const spec = request.version
? `${request.name}@${request.version}`
: request.name;
return this.addDependency(spec, requestedType, request.metadata ?? {});
}
// Version merging
let effectiveVersion;
if (!request.version) {
effectiveVersion = existing.version;
}
else if (this.isDependencySatisfied(request.name, requestedType, request.version)) {
effectiveVersion = existing.version;
}
else if (!existing.version) {
effectiveVersion = request.version;
}
else if (semver.intersects(existing.version, request.version)) {
effectiveVersion = request.version;
}
else {
throw new Error(`Dependency "${request.name}" version conflict: existing "${existing.version}" ` +
`does not intersect with requested "${request.version}"`);
}
const spec = effectiveVersion
? `${request.name}@${effectiveVersion}`
: request.name;
return this.addDependency(spec, requestedType, {
...existing.metadata,
...request.metadata,
});
}
/**
* Finds the type of an existing installable dependency by name.
* Excludes PEER, OVERRIDE, and OPTIONAL types.
* Returns undefined if no dependency with this name exists.
*/
findExistingInstallableType(name) {
return this._deps.find((d) => d.name === name &&
d.type !== DependencyType.PEER &&
d.type !== DependencyType.OVERRIDE &&
d.type !== DependencyType.OPTIONAL)?.type;
}
tryGetDependencyIndex(name, type) {
const deps = this._deps.filter((d) => d.name === name);
if (deps.length === 0) {
return -1; // not found
}
if (!type) {
if (deps.length > 1) {
throw new Error(`"${name}" is defined for multiple dependency types: ${deps
.map((d) => d.type)
.join(",")}. Please specify dependency type`);
}
type = deps[0].type;
}
return this._deps.findIndex((dep) => dep.name === name && dep.type === type);
}
toJson() {
if (this._deps.length === 0) {
return undefined;
}
return {
dependencies: this._deps.sort(compareDeps).map(normalizeDep),
};
}
}
exports.Dependencies = Dependencies;
_a = JSII_RTTI_SYMBOL_1;
Dependencies[_a] = { fqn: "projen.Dependencies", version: "0.99.51" };
/**
* The project-relative path of the deps manifest file.
*/
Dependencies.MANIFEST_FILE = path.posix.join(common_1.PROJEN_DIR, "deps.json");
function normalizeDep(d) {
const obj = {};
for (const [k, v] of Object.entries(d)) {
if (v == undefined) {
continue;
}
if (typeof v === "object" && Object.keys(v).length === 0) {
continue;
}
if (Array.isArray(v) && v.length === 0) {
continue;
}
obj[k] = v;
}
return obj;
}
function compareDeps(d1, d2) {
return specOf(d1).localeCompare(specOf(d2));
function specOf(dep) {
let spec = dep.type + ":" + dep.name;
if (dep.version) {
spec += "@" + dep.version;
}
return spec;
}
}
/**
* Type of dependency.
*/
var DependencyType;
(function (DependencyType) {
/**
* The dependency is required for the program/library during runtime.
*/
DependencyType["RUNTIME"] = "runtime";
/**
* The dependency is required at runtime but expected to be installed by the
* consumer.
*/
DependencyType["PEER"] = "peer";
/**
* The dependency is bundled and shipped with the module, so consumers are not
* required to install it.
*/
DependencyType["BUNDLED"] = "bundled";
/**
* The dependency is required to run the `build` task.
*/
DependencyType["BUILD"] = "build";
/**
* The dependency is required to run the `test` task.
*/
DependencyType["TEST"] = "test";
/**
* The dependency is required for development (e.g. IDE plugins).
*/
DependencyType["DEVENV"] = "devenv";
/**
* Transient dependency that needs to be overwritten.
*
* Available for Node packages
*/
DependencyType["OVERRIDE"] = "override";
/**
* An optional dependency that may be used at runtime if available, but is not required.
* It is expected to be installed by the consumer.
*/
DependencyType["OPTIONAL"] = "optional";
})(DependencyType || (exports.DependencyType = DependencyType = {}));
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* as path from \"path\";\nimport { underline } from \"chalk\";\nimport * as semver from \"semver\";\nimport { PROJEN_DIR } from \"./common\";\nimport { Component } from \"./component\";\nimport { JsonFile } from \"./json\";\nimport type { Project } from \"./project\";\n\n/**\n * The `Dependencies` component is responsible to track the list of dependencies\n * a project has, and then used by project types as the model for rendering\n * project-specific dependency manifests such as the dependencies section\n * `package.json` files.\n *\n * To add a dependency you can use a project-type specific API such as\n * `nodeProject.addDeps()` or use the generic API of `project.deps`:\n */\nexport class Dependencies extends Component {\n  /**\n   * The project-relative path of the deps manifest file.\n   */\n  public static readonly MANIFEST_FILE = path.posix.join(\n    PROJEN_DIR,\n    \"deps.json\",\n  );\n\n  /**\n   * Returns the coordinates of a dependency spec.\n   *\n   * Given `foo@^3.4.0` returns `{ name: \"foo\", version: \"^3.4.0\" }`.\n   * Given `bar@npm:@bar/legacy` returns `{ name: \"bar\", version: \"npm:@bar/legacy\" }`.\n   */\n  public static parseDependency(spec: string): DependencyCoordinates {\n    const scope = spec.startsWith(\"@\");\n    if (scope) {\n      spec = spec.substr(1);\n    }\n\n    const [module, ...version] = spec.split(\"@\");\n    const name = scope ? `@${module}` : module;\n    if (version.length == 0) {\n      return { name };\n    } else {\n      return { name, version: version?.join(\"@\") };\n    }\n  }\n\n  private readonly _deps = new Array<Dependency>();\n\n  /**\n   * Adds a dependencies component to the project.\n   * @param project The parent project\n   */\n  constructor(project: Project) {\n    super(project);\n\n    // this is not really required at the moment, but actually quite useful as a\n    // checked-in source of truth for dependencies and will potentially be\n    // valuable in the future for CLI tools.\n    if (!project.ejected) {\n      new JsonFile(project, Dependencies.MANIFEST_FILE, {\n        omitEmpty: true,\n        obj: () => this.toJson(),\n      });\n    }\n  }\n\n  /**\n   * A copy of all dependencies recorded for this project.\n   *\n   * The list is sorted by type->name->version\n   */\n  public get all(): Dependency[] {\n    return [...this._deps].sort(compareDeps).map(normalizeDep);\n  }\n\n  /**\n   * Returns a dependency by name.\n   *\n   * Fails if there is no dependency defined by that name or if `type` is not\n   * provided and there is more then one dependency type for this dependency.\n   *\n   * @param name The name of the dependency\n   * @param type The dependency type. If this dependency is defined only for a\n   * single type, this argument can be omitted.\n   *\n   * @returns a copy (cannot be modified)\n   */\n  public getDependency(name: string, type?: DependencyType): Dependency {\n    const dep = this.tryGetDependency(name, type);\n    if (!dep) {\n      const msg = type\n        ? `there is no ${type} dependency defined on \"${name}\"`\n        : `there is no dependency defined on \"${name}\"`;\n\n      throw new Error(msg);\n    }\n\n    return dep;\n  }\n\n  /**\n   * Returns a dependency by name.\n   *\n   * Returns `undefined` if there is no dependency defined by that name or if\n   * `type` is not provided and there is more then one dependency type for this\n   * dependency.\n   *\n   * @param name The name of the dependency\n   * @param type The dependency type. If this dependency is defined only for a\n   * single type, this argument can be omitted.\n   *\n   * @returns a copy (cannot be modified) or undefined if there is no match\n   */\n  public tryGetDependency(\n    name: string,\n    type?: DependencyType,\n  ): Dependency | undefined {\n    const idx = this.tryGetDependencyIndex(name, type);\n    if (idx === -1) {\n      return undefined;\n    }\n\n    return {\n      ...normalizeDep(this._deps[idx]),\n    };\n  }\n\n  /**\n   * Adds a dependency to this project.\n   * @param spec The dependency spec in the format `MODULE[@VERSION]` where\n   * `MODULE` is the package-manager-specific module name and `VERSION` is an\n   * optional semantic version requirement (e.g. `^3.4.0`).\n   * @param type The type of the dependency.\n   */\n  public addDependency(\n    spec: string,\n    type: DependencyType,\n    metadata: { [key: string]: any } = {},\n  ): Dependency {\n    this.project.logger.verbose(\n      `${underline(\"Dependency\")} | Adding ${type}-dep \\`${spec}\\``,\n    );\n\n    const dep: Dependency = {\n      ...Dependencies.parseDependency(spec),\n      type,\n      metadata,\n    };\n\n    const existingDepIndex = this.tryGetDependencyIndex(dep.name, type);\n\n    if (existingDepIndex !== -1) {\n      this.project.logger.debug(\n        `${underline(\"Dependency\")} | Updating existing ${dep.type}-dep \\`${dep.name}\\` with more specific request.`,\n      );\n      this._deps[existingDepIndex] = dep;\n    } else {\n      this._deps.push(dep);\n    }\n\n    return dep;\n  }\n\n  /**\n   * Removes a dependency.\n   * @param name The name of the module to remove (without the version)\n   * @param type The dependency type. This is only required if there the\n   * dependency is defined for multiple types.\n   */\n  public removeDependency(name: string, type?: DependencyType) {\n    const removeIndex = this.tryGetDependencyIndex(name, type);\n    if (removeIndex === -1) {\n      return;\n    }\n\n    this._deps.splice(removeIndex, 1);\n  }\n\n  /**\n   * Checks if an existing dependency satisfies a dependency requirement.\n   * @param name The name of the dependency to check (without the version).\n   * @param type The dependency type.\n   * @param expectedRange The version constraint to check (e.g. `^3.4.0`).\n   * The constraint of the dependency must be a subset of the expected range to satisfy the requirements.\n   * @returns `true` if the dependency exists and its version satisfies the provided constraint. `false` otherwise.\n   * Notably returns `false` if a dependency exists, but has no version.\n   */\n  public isDependencySatisfied(\n    name: string,\n    type: DependencyType,\n    expectedRange: string,\n  ): boolean {\n    const dep = this.tryGetDependency(name, type);\n    return dep?.version != null && semver.subset(dep.version, expectedRange);\n  }\n\n  /**\n   * Request a dependency. Unlike `addDependency`, this merges intelligently\n   * with existing dependencies of the same name and type:\n   *\n   * - If the dep exists with a version that already satisfies the request,\n   *   the version is not changed.\n   * - If the dep doesn't exist, it is added with the requested type/version.\n   * - If the dep exists but the versions don't intersect, an error is thrown.\n   * - If no type is provided, an existing dependency of any type will satisfy\n   *   the request. If none exists, it is added as BUILD.\n   *\n   * @param request The dependency request.\n   * @returns The resulting dependency after merging.\n   */\n  public requestDependency(request: DependencyRequest): Dependency {\n    // When type is not specified, find any existing dep with this name\n    const requestedType =\n      request.type ??\n      this.findExistingInstallableType(request.name) ??\n      DependencyType.BUILD;\n    const existing = this.tryGetDependency(request.name, requestedType);\n\n    if (!existing) {\n      const spec = request.version\n        ? `${request.name}@${request.version}`\n        : request.name;\n      return this.addDependency(spec, requestedType, request.metadata ?? {});\n    }\n\n    // Version merging\n    let effectiveVersion: string | undefined;\n\n    if (!request.version) {\n      effectiveVersion = existing.version;\n    } else if (\n      this.isDependencySatisfied(request.name, requestedType, request.version)\n    ) {\n      effectiveVersion = existing.version;\n    } else if (!existing.version) {\n      effectiveVersion = request.version;\n    } else if (semver.intersects(existing.version, request.version)) {\n      effectiveVersion = request.version;\n    } else {\n      throw new Error(\n        `Dependency \"${request.name}\" version conflict: existing \"${existing.version}\" ` +\n          `does not intersect with requested \"${request.version}\"`,\n      );\n    }\n\n    const spec = effectiveVersion\n      ? `${request.name}@${effectiveVersion}`\n      : request.name;\n    return this.addDependency(spec, requestedType, {\n      ...existing.metadata,\n      ...request.metadata,\n    });\n  }\n\n  /**\n   * Finds the type of an existing installable dependency by name.\n   * Excludes PEER, OVERRIDE, and OPTIONAL types.\n   * Returns undefined if no dependency with this name exists.\n   */\n  private findExistingInstallableType(\n    name: string,\n  ): DependencyType | undefined {\n    return this._deps.find(\n      (d) =>\n        d.name === name &&\n        d.type !== DependencyType.PEER &&\n        d.type !== DependencyType.OVERRIDE &&\n        d.type !== DependencyType.OPTIONAL,\n    )?.type;\n  }\n\n  private tryGetDependencyIndex(name: string, type?: DependencyType): number {\n    const deps = this._deps.filter((d) => d.name === name);\n    if (deps.length === 0) {\n      return -1; // not found\n    }\n\n    if (!type) {\n      if (deps.length > 1) {\n        throw new Error(\n          `\"${name}\" is defined for multiple dependency types: ${deps\n            .map((d) => d.type)\n            .join(\",\")}. Please specify dependency type`,\n        );\n      }\n\n      type = deps[0].type;\n    }\n\n    return this._deps.findIndex(\n      (dep) => dep.name === name && dep.type === type,\n    );\n  }\n\n  private toJson(): DepsManifest | undefined {\n    if (this._deps.length === 0) {\n      return undefined;\n    }\n    return {\n      dependencies: this._deps.sort(compareDeps).map(normalizeDep),\n    };\n  }\n}\n\nfunction normalizeDep(d: Dependency) {\n  const obj: any = {};\n  for (const [k, v] of Object.entries(d)) {\n    if (v == undefined) {\n      continue;\n    }\n    if (typeof v === \"object\" && Object.keys(v).length === 0) {\n      continue;\n    }\n    if (Array.isArray(v) && v.length === 0) {\n      continue;\n    }\n    obj[k] = v;\n  }\n\n  return obj;\n}\n\nfunction compareDeps(d1: Dependency, d2: Dependency) {\n  return specOf(d1).localeCompare(specOf(d2));\n\n  function specOf(dep: Dependency) {\n    let spec = dep.type + \":\" + dep.name;\n    if (dep.version) {\n      spec += \"@\" + dep.version;\n    }\n    return spec;\n  }\n}\n\nexport interface DepsManifest {\n  /**\n   * All dependencies of this module.\n   */\n  readonly dependencies: Dependency[];\n}\n\n/**\n * Coordinates of the dependency (name and version).\n */\nexport interface DependencyCoordinates {\n  /**\n   * The package manager name of the dependency (e.g. `leftpad` for npm).\n   *\n   * NOTE: For package managers that use complex coordinates (like Maven), we\n   * will codify it into a string somehow.\n   */\n  readonly name: string;\n\n  /**\n   * Semantic version version requirement.\n   *\n   * @default - requirement is managed by the package manager (e.g. npm/yarn).\n   */\n  readonly version?: string;\n}\n\n/**\n * Represents a project dependency.\n */\nexport interface Dependency extends DependencyCoordinates {\n  /**\n   * Which type of dependency this is (runtime, build-time, etc).\n   */\n  readonly type: DependencyType;\n\n  /**\n   * Additional JSON metadata associated with the dependency (package manager\n   * specific).\n   * @default {}\n   */\n  readonly metadata?: { [key: string]: any };\n}\n\n/**\n * Type of dependency.\n */\nexport enum DependencyType {\n  /**\n   * The dependency is required for the program/library during runtime.\n   */\n  RUNTIME = \"runtime\",\n\n  /**\n   * The dependency is required at runtime but expected to be installed by the\n   * consumer.\n   */\n  PEER = \"peer\",\n\n  /**\n   * The dependency is bundled and shipped with the module, so consumers are not\n   * required to install it.\n   */\n  BUNDLED = \"bundled\",\n\n  /**\n   * The dependency is required to run the `build` task.\n   */\n  BUILD = \"build\",\n\n  /**\n   * The dependency is required to run the `test` task.\n   */\n  TEST = \"test\",\n\n  /**\n   * The dependency is required for development (e.g. IDE plugins).\n   */\n  DEVENV = \"devenv\",\n\n  /**\n   * Transient dependency that needs to be overwritten.\n   *\n   * Available for Node packages\n   */\n  OVERRIDE = \"override\",\n\n  /**\n   * An optional dependency that may be used at runtime if available, but is not required.\n   * It is expected to be installed by the consumer.\n   */\n  OPTIONAL = \"optional\",\n}\n\n/**\n * A request for a dependency. Unlike adding a dependency directly,\n * requesting a dependency will intelligently merge with existing\n * dependencies of the same name and type.\n */\nexport interface DependencyRequest {\n  /**\n   * The package name.\n   */\n  readonly name: string;\n\n  /**\n   * Semantic version constraint.\n   * @default - any version\n   */\n  readonly version?: string;\n\n  /**\n   * Dependency type. If not provided, an existing dependency of any type\n   * will satisfy the request. If none exists, it is added as BUILD.\n   * @default - any existing type, or DependencyType.BUILD\n   */\n  readonly type?: DependencyType;\n\n  /**\n   * Additional metadata.\n   * @default - none\n   */\n  readonly metadata?: Record<string, any>;\n}\n"]}