@angular-devkit/core/src/workspace/core.js

"use strict";
/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.writeWorkspace = exports.readWorkspace = exports._test_removeWorkspaceFile = exports._test_addWorkspaceFile = exports.WorkspaceFormat = void 0;
const virtual_fs_1 = require("../virtual-fs");
const reader_1 = require("./json/reader");
const writer_1 = require("./json/writer");
const formatLookup = new WeakMap();
/**
 * Supported workspace formats
 */
var WorkspaceFormat;
(function (WorkspaceFormat) {
    WorkspaceFormat[WorkspaceFormat["JSON"] = 0] = "JSON";
})(WorkspaceFormat || (exports.WorkspaceFormat = WorkspaceFormat = {}));
/**
 * @private
 */
function _test_addWorkspaceFile(name, format) {
    workspaceFiles[name] = format;
}
exports._test_addWorkspaceFile = _test_addWorkspaceFile;
/**
 * @private
 */
function _test_removeWorkspaceFile(name) {
    delete workspaceFiles[name];
}
exports._test_removeWorkspaceFile = _test_removeWorkspaceFile;
// NOTE: future additions could also perform content analysis to determine format/version
const workspaceFiles = {
    'angular.json': WorkspaceFormat.JSON,
    '.angular.json': WorkspaceFormat.JSON,
};
/**
 * Reads and constructs a `WorkspaceDefinition`.  If the function is provided with a path to a
 * directory instead of a file, a search of the directory's files will commence to attempt to
 * locate a known workspace file.  Currently the following are considered known workspace files:
 * - `angular.json`
 * - `.angular.json`
 *
 * @param path The path to either a workspace file or a directory containing a workspace file.
 * @param host The `WorkspaceHost` to use to access the file and directory data.
 * @param format An optional `WorkspaceFormat` value. Used if the path specifies a non-standard
 * file name that would prevent automatically discovering the format.
 *
 *
 * @return An `Promise` of the read result object with the `WorkspaceDefinition` contained within
 * the `workspace` property.
 */
async function readWorkspace(path, host, format) {
    if (await host.isDirectory(path)) {
        // TODO: Warn if multiple found (requires diagnostics support)
        const directory = (0, virtual_fs_1.normalize)(path);
        let found = false;
        for (const [name, nameFormat] of Object.entries(workspaceFiles)) {
            if (format !== undefined && format !== nameFormat) {
                continue;
            }
            const potential = (0, virtual_fs_1.getSystemPath)((0, virtual_fs_1.join)(directory, name));
            if (await host.isFile(potential)) {
                path = potential;
                format = nameFormat;
                found = true;
                break;
            }
        }
        if (!found) {
            throw new Error('Unable to locate a workspace file for workspace path. Are you missing an `angular.json`' +
                ' or `.angular.json` file?');
        }
    }
    else if (format === undefined) {
        const filename = (0, virtual_fs_1.basename)((0, virtual_fs_1.normalize)(path));
        if (filename in workspaceFiles) {
            format = workspaceFiles[filename];
        }
    }
    if (format === undefined) {
        throw new Error('Unable to determine format for workspace path.');
    }
    let workspace;
    switch (format) {
        case WorkspaceFormat.JSON:
            workspace = await (0, reader_1.readJsonWorkspace)(path, host);
            break;
        default:
            throw new Error('Unsupported workspace format.');
    }
    formatLookup.set(workspace, WorkspaceFormat.JSON);
    return { workspace };
}
exports.readWorkspace = readWorkspace;
/**
 * Writes a `WorkspaceDefinition` to the underlying storage via the provided `WorkspaceHost`.
 * If the `WorkspaceDefinition` was created via the `readWorkspace` function, metadata will be
 * used to determine the path and format of the Workspace.  In all other cases, the `path` and
 * `format` options must be specified as they would be otherwise unknown.
 *
 * @param workspace The `WorkspaceDefinition` that will be written.
 * @param host The `WorkspaceHost` to use to access/write the file and directory data.
 * @param path The path to a file location for the output. Required if `readWorkspace` was not
 * used to create the `WorkspaceDefinition`.  Optional otherwise; will override the
 * `WorkspaceDefinition` metadata if provided.
 * @param format The `WorkspaceFormat` to use for output. Required if `readWorkspace` was not
 * used to create the `WorkspaceDefinition`.  Optional otherwise; will override the
 * `WorkspaceDefinition` metadata if provided.
 *
 *
 * @return An `Promise` of type `void`.
 */
async function writeWorkspace(workspace, host, path, format) {
    if (format === undefined) {
        format = formatLookup.get(workspace);
        if (format === undefined) {
            throw new Error('A format is required for custom workspace objects.');
        }
    }
    switch (format) {
        case WorkspaceFormat.JSON:
            return (0, writer_1.writeJsonWorkspace)(workspace, host, path);
        default:
            throw new Error('Unsupported workspace format.');
    }
}
exports.writeWorkspace = writeWorkspace;
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"core.js","sourceRoot":"","sources":["../../../../../../../../packages/angular_devkit/core/src/workspace/core.ts"],"names":[],"mappings":";AAAA;;;;;;GAMG;;;AAEH,8CAAyE;AAGzE,0CAAkD;AAClD,0CAAmD;AAEnD,MAAM,YAAY,GAAG,IAAI,OAAO,EAAwC,CAAC;AAEzE;;GAEG;AACH,IAAY,eAEX;AAFD,WAAY,eAAe;IACzB,qDAAI,CAAA;AACN,CAAC,EAFW,eAAe,+BAAf,eAAe,QAE1B;AAED;;GAEG;AACH,SAAgB,sBAAsB,CAAC,IAAY,EAAE,MAAuB;IAC1E,cAAc,CAAC,IAAI,CAAC,GAAG,MAAM,CAAC;AAChC,CAAC;AAFD,wDAEC;AAED;;GAEG;AACH,SAAgB,yBAAyB,CAAC,IAAY;IACpD,OAAO,cAAc,CAAC,IAAI,CAAC,CAAC;AAC9B,CAAC;AAFD,8DAEC;AAED,yFAAyF;AACzF,MAAM,cAAc,GAAoC;IACtD,cAAc,EAAE,eAAe,CAAC,IAAI;IACpC,eAAe,EAAE,eAAe,CAAC,IAAI;CACtC,CAAC;AAEF;;;;;;;;;;;;;;;GAeG;AACI,KAAK,UAAU,aAAa,CACjC,IAAY,EACZ,IAAmB,EACnB,MAAwB;IAGxB,IAAI,MAAM,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,EAAE;QAChC,8DAA8D;QAC9D,MAAM,SAAS,GAAG,IAAA,sBAAS,EAAC,IAAI,CAAC,CAAC;QAClC,IAAI,KAAK,GAAG,KAAK,CAAC;QAClB,KAAK,MAAM,CAAC,IAAI,EAAE,UAAU,CAAC,IAAI,MAAM,CAAC,OAAO,CAAC,cAAc,CAAC,EAAE;YAC/D,IAAI,MAAM,KAAK,SAAS,IAAI,MAAM,KAAK,UAAU,EAAE;gBACjD,SAAS;aACV;YAED,MAAM,SAAS,GAAG,IAAA,0BAAa,EAAC,IAAA,iBAAI,EAAC,SAAS,EAAE,IAAI,CAAC,CAAC,CAAC;YACvD,IAAI,MAAM,IAAI,CAAC,MAAM,CAAC,SAAS,CAAC,EAAE;gBAChC,IAAI,GAAG,SAAS,CAAC;gBACjB,MAAM,GAAG,UAAU,CAAC;gBACpB,KAAK,GAAG,IAAI,CAAC;gBACb,MAAM;aACP;SACF;QACD,IAAI,CAAC,KAAK,EAAE;YACV,MAAM,IAAI,KAAK,CACb,yFAAyF;gBACvF,2BAA2B,CAC9B,CAAC;SACH;KACF;SAAM,IAAI,MAAM,KAAK,SAAS,EAAE;QAC/B,MAAM,QAAQ,GAAG,IAAA,qBAAQ,EAAC,IAAA,sBAAS,EAAC,IAAI,CAAC,CAAC,CAAC;QAC3C,IAAI,QAAQ,IAAI,cAAc,EAAE;YAC9B,MAAM,GAAG,cAAc,CAAC,QAAQ,CAAC,CAAC;SACnC;KACF;IAED,IAAI,MAAM,KAAK,SAAS,EAAE;QACxB,MAAM,IAAI,KAAK,CAAC,gDAAgD,CAAC,CAAC;KACnE;IAED,IAAI,SAAS,CAAC;IACd,QAAQ,MAAM,EAAE;QACd,KAAK,eAAe,CAAC,IAAI;YACvB,SAAS,GAAG,MAAM,IAAA,0BAAiB,EAAC,IAAI,EAAE,IAAI,CAAC,CAAC;YAChD,MAAM;QACR;YACE,MAAM,IAAI,KAAK,CAAC,+BAA+B,CAAC,CAAC;KACpD;IAED,YAAY,CAAC,GAAG,CAAC,SAAS,EAAE,eAAe,CAAC,IAAI,CAAC,CAAC;IAElD,OAAO,EAAE,SAAS,EAAE,CAAC;AACvB,CAAC;AApDD,sCAoDC;AAED;;;;;;;;;;;;;;;;;GAiBG;AACI,KAAK,UAAU,cAAc,CAClC,SAA8B,EAC9B,IAAmB,EACnB,IAAa,EACb,MAAwB;IAExB,IAAI,MAAM,KAAK,SAAS,EAAE;QACxB,MAAM,GAAG,YAAY,CAAC,GAAG,CAAC,SAAS,CAAC,CAAC;QACrC,IAAI,MAAM,KAAK,SAAS,EAAE;YACxB,MAAM,IAAI,KAAK,CAAC,oDAAoD,CAAC,CAAC;SACvE;KACF;IAED,QAAQ,MAAM,EAAE;QACd,KAAK,eAAe,CAAC,IAAI;YACvB,OAAO,IAAA,2BAAkB,EAAC,SAAS,EAAE,IAAI,EAAE,IAAI,CAAC,CAAC;QACnD;YACE,MAAM,IAAI,KAAK,CAAC,+BAA+B,CAAC,CAAC;KACpD;AACH,CAAC;AAnBD,wCAmBC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport { basename, getSystemPath, join, normalize } from '../virtual-fs';\nimport { WorkspaceDefinition } from './definitions';\nimport { WorkspaceHost } from './host';\nimport { readJsonWorkspace } from './json/reader';\nimport { writeJsonWorkspace } from './json/writer';\n\nconst formatLookup = new WeakMap<WorkspaceDefinition, WorkspaceFormat>();\n\n/**\n * Supported workspace formats\n */\nexport enum WorkspaceFormat {\n  JSON,\n}\n\n/**\n * @private\n */\nexport function _test_addWorkspaceFile(name: string, format: WorkspaceFormat): void {\n  workspaceFiles[name] = format;\n}\n\n/**\n * @private\n */\nexport function _test_removeWorkspaceFile(name: string): void {\n  delete workspaceFiles[name];\n}\n\n// NOTE: future additions could also perform content analysis to determine format/version\nconst workspaceFiles: Record<string, WorkspaceFormat> = {\n  'angular.json': WorkspaceFormat.JSON,\n  '.angular.json': WorkspaceFormat.JSON,\n};\n\n/**\n * Reads and constructs a `WorkspaceDefinition`.  If the function is provided with a path to a\n * directory instead of a file, a search of the directory's files will commence to attempt to\n * locate a known workspace file.  Currently the following are considered known workspace files:\n * - `angular.json`\n * - `.angular.json`\n *\n * @param path The path to either a workspace file or a directory containing a workspace file.\n * @param host The `WorkspaceHost` to use to access the file and directory data.\n * @param format An optional `WorkspaceFormat` value. Used if the path specifies a non-standard\n * file name that would prevent automatically discovering the format.\n *\n *\n * @return An `Promise` of the read result object with the `WorkspaceDefinition` contained within\n * the `workspace` property.\n */\nexport async function readWorkspace(\n  path: string,\n  host: WorkspaceHost,\n  format?: WorkspaceFormat,\n  // return type will eventually have a `diagnostics` property as well\n): Promise<{ workspace: WorkspaceDefinition }> {\n  if (await host.isDirectory(path)) {\n    // TODO: Warn if multiple found (requires diagnostics support)\n    const directory = normalize(path);\n    let found = false;\n    for (const [name, nameFormat] of Object.entries(workspaceFiles)) {\n      if (format !== undefined && format !== nameFormat) {\n        continue;\n      }\n\n      const potential = getSystemPath(join(directory, name));\n      if (await host.isFile(potential)) {\n        path = potential;\n        format = nameFormat;\n        found = true;\n        break;\n      }\n    }\n    if (!found) {\n      throw new Error(\n        'Unable to locate a workspace file for workspace path. Are you missing an `angular.json`' +\n          ' or `.angular.json` file?',\n      );\n    }\n  } else if (format === undefined) {\n    const filename = basename(normalize(path));\n    if (filename in workspaceFiles) {\n      format = workspaceFiles[filename];\n    }\n  }\n\n  if (format === undefined) {\n    throw new Error('Unable to determine format for workspace path.');\n  }\n\n  let workspace;\n  switch (format) {\n    case WorkspaceFormat.JSON:\n      workspace = await readJsonWorkspace(path, host);\n      break;\n    default:\n      throw new Error('Unsupported workspace format.');\n  }\n\n  formatLookup.set(workspace, WorkspaceFormat.JSON);\n\n  return { workspace };\n}\n\n/**\n * Writes a `WorkspaceDefinition` to the underlying storage via the provided `WorkspaceHost`.\n * If the `WorkspaceDefinition` was created via the `readWorkspace` function, metadata will be\n * used to determine the path and format of the Workspace.  In all other cases, the `path` and\n * `format` options must be specified as they would be otherwise unknown.\n *\n * @param workspace The `WorkspaceDefinition` that will be written.\n * @param host The `WorkspaceHost` to use to access/write the file and directory data.\n * @param path The path to a file location for the output. Required if `readWorkspace` was not\n * used to create the `WorkspaceDefinition`.  Optional otherwise; will override the\n * `WorkspaceDefinition` metadata if provided.\n * @param format The `WorkspaceFormat` to use for output. Required if `readWorkspace` was not\n * used to create the `WorkspaceDefinition`.  Optional otherwise; will override the\n * `WorkspaceDefinition` metadata if provided.\n *\n *\n * @return An `Promise` of type `void`.\n */\nexport async function writeWorkspace(\n  workspace: WorkspaceDefinition,\n  host: WorkspaceHost,\n  path?: string,\n  format?: WorkspaceFormat,\n): Promise<void> {\n  if (format === undefined) {\n    format = formatLookup.get(workspace);\n    if (format === undefined) {\n      throw new Error('A format is required for custom workspace objects.');\n    }\n  }\n\n  switch (format) {\n    case WorkspaceFormat.JSON:\n      return writeJsonWorkspace(workspace, host, path);\n    default:\n      throw new Error('Unsupported workspace format.');\n  }\n}\n"]}