| /** |
| * @license |
| * Copyright Google Inc. 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 |
| */ |
| (function (factory) { |
| if (typeof module === "object" && typeof module.exports === "object") { |
| var v = factory(require, exports); |
| if (v !== undefined) module.exports = v; |
| } |
| else if (typeof define === "function" && define.amd) { |
| define("@angular/core/schematics/migrations/static-queries/transform", ["require", "exports", "typescript", "@angular/core/schematics/utils/typescript/property_name", "@angular/core/schematics/migrations/static-queries/angular/query-definition"], factory); |
| } |
| })(function (require, exports) { |
| "use strict"; |
| Object.defineProperty(exports, "__esModule", { value: true }); |
| const ts = require("typescript"); |
| const property_name_1 = require("@angular/core/schematics/utils/typescript/property_name"); |
| const query_definition_1 = require("@angular/core/schematics/migrations/static-queries/angular/query-definition"); |
| const TODO_SPECIFY_COMMENT = 'TODO: add static flag'; |
| const TODO_CHECK_COMMENT = 'TODO: check static flag'; |
| /** |
| * Transforms the given query decorator by explicitly specifying the timing based on the |
| * determined timing. The updated decorator call expression node will be returned. |
| */ |
| function getTransformedQueryCallExpr(query, timing, createTodo) { |
| const queryExpr = query.decorator.node.expression; |
| const queryArguments = queryExpr.arguments; |
| const queryPropertyAssignments = timing === null ? |
| [] : |
| [ts.createPropertyAssignment('static', timing === query_definition_1.QueryTiming.STATIC ? ts.createTrue() : ts.createFalse())]; |
| // If the query decorator is already called with two arguments, we need to |
| // keep the existing options untouched and just add the new property if possible. |
| if (queryArguments.length === 2) { |
| const existingOptions = queryArguments[1]; |
| const existingOptionsText = existingOptions.getFullText(); |
| const hasTodoComment = existingOptionsText.includes(TODO_SPECIFY_COMMENT) || |
| existingOptionsText.includes(TODO_CHECK_COMMENT); |
| let newOptionsNode; |
| let failureMessage = null; |
| if (ts.isObjectLiteralExpression(existingOptions)) { |
| // In case the options already contains a property for the "static" flag, |
| // we just skip this query and leave it untouched. |
| if (existingOptions.properties.some(p => !!p.name && property_name_1.getPropertyNameText(p.name) === 'static')) { |
| return null; |
| } |
| newOptionsNode = ts.updateObjectLiteral(existingOptions, existingOptions.properties.concat(queryPropertyAssignments)); |
| // In case we want to add a todo and the options do not have the todo |
| // yet, we add the query timing todo as synthetic multi-line comment. |
| if (createTodo && !hasTodoComment) { |
| addQueryTimingTodoToNode(newOptionsNode, timing === null); |
| } |
| } |
| else { |
| // In case the options query parameter is not an object literal expression, and |
| // we want to set the query timing, we just preserve the existing query parameter. |
| newOptionsNode = existingOptions; |
| // We always want to add a TODO in case the query options cannot be updated. |
| if (!hasTodoComment) { |
| addQueryTimingTodoToNode(existingOptions, true); |
| } |
| // If there is a new explicit timing that has been determined for the given query, |
| // we create a transformation failure message that shows developers that they need |
| // to set the query timing manually to the determined query timing. |
| if (timing !== null) { |
| failureMessage = 'Cannot update query to set explicit timing. Please manually ' + |
| `set the query timing to: "{static: ${(timing === query_definition_1.QueryTiming.STATIC).toString()}}"`; |
| } |
| } |
| return { |
| failureMessage, |
| node: ts.updateCall(queryExpr, queryExpr.expression, queryExpr.typeArguments, [queryArguments[0], newOptionsNode]) |
| }; |
| } |
| const optionsNode = ts.createObjectLiteral(queryPropertyAssignments); |
| if (createTodo) { |
| addQueryTimingTodoToNode(optionsNode, timing === null); |
| } |
| return { |
| failureMessage: null, |
| node: ts.updateCall(queryExpr, queryExpr.expression, queryExpr.typeArguments, [queryArguments[0], optionsNode]) |
| }; |
| } |
| exports.getTransformedQueryCallExpr = getTransformedQueryCallExpr; |
| /** |
| * Adds a to-do to the given TypeScript node which reminds developers to specify |
| * an explicit query timing or to double-check the updated timing. |
| */ |
| function addQueryTimingTodoToNode(node, addSpecifyTimingTodo) { |
| ts.setSyntheticLeadingComments(node, [{ |
| pos: -1, |
| end: -1, |
| hasTrailingNewLine: false, |
| kind: ts.SyntaxKind.MultiLineCommentTrivia, |
| text: ` ${addSpecifyTimingTodo ? TODO_SPECIFY_COMMENT : TODO_CHECK_COMMENT} ` |
| }]); |
| } |
| }); |
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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 * as ts from 'typescript';\nimport {getPropertyNameText} from '../../utils/typescript/property_name';\nimport {NgQueryDefinition, QueryTiming} from './angular/query-definition';\n\nexport type TransformedQueryResult = null | {\n  /** Transformed call expression. */\n  node: ts.CallExpression;\n  /** Failure message which is set when the query could not be transformed successfully. */\n  failureMessage: string|null;\n};\n\nconst TODO_SPECIFY_COMMENT = 'TODO: add static flag';\nconst TODO_CHECK_COMMENT = 'TODO: check static flag';\n\n/**\n * Transforms the given query decorator by explicitly specifying the timing based on the\n * determined timing. The updated decorator call expression node will be returned.\n */\nexport function getTransformedQueryCallExpr(\n    query: NgQueryDefinition, timing: QueryTiming | null,\n    createTodo: boolean): TransformedQueryResult {\n  const queryExpr = query.decorator.node.expression;\n  const queryArguments = queryExpr.arguments;\n  const queryPropertyAssignments = timing === null ?\n      [] :\n      [ts.createPropertyAssignment(\n          'static', timing === QueryTiming.STATIC ? ts.createTrue() : ts.createFalse())];\n\n  // If the query decorator is already called with two arguments, we need to\n  // keep the existing options untouched and just add the new property if possible.\n  if (queryArguments.length === 2) {\n    const existingOptions = queryArguments[1];\n    const existingOptionsText = existingOptions.getFullText();\n    const hasTodoComment = existingOptionsText.includes(TODO_SPECIFY_COMMENT) ||\n        existingOptionsText.includes(TODO_CHECK_COMMENT);\n    let newOptionsNode: ts.Expression;\n    let failureMessage: string|null = null;\n\n    if (ts.isObjectLiteralExpression(existingOptions)) {\n      // In case the options already contains a property for the \"static\" flag,\n      // we just skip this query and leave it untouched.\n      if (existingOptions.properties.some(\n              p => !!p.name && getPropertyNameText(p.name) === 'static')) {\n        return null;\n      }\n\n      newOptionsNode = ts.updateObjectLiteral(\n          existingOptions, existingOptions.properties.concat(queryPropertyAssignments));\n\n      // In case we want to add a todo and the options do not have the todo\n      // yet, we add the query timing todo as synthetic multi-line comment.\n      if (createTodo && !hasTodoComment) {\n        addQueryTimingTodoToNode(newOptionsNode, timing === null);\n      }\n    } else {\n      // In case the options query parameter is not an object literal expression, and\n      // we want to set the query timing, we just preserve the existing query parameter.\n      newOptionsNode = existingOptions;\n      // We always want to add a TODO in case the query options cannot be updated.\n      if (!hasTodoComment) {\n        addQueryTimingTodoToNode(existingOptions, true);\n      }\n      // If there is a new explicit timing that has been determined for the given query,\n      // we create a transformation failure message that shows developers that they need\n      // to set the query timing manually to the determined query timing.\n      if (timing !== null) {\n        failureMessage = 'Cannot update query to set explicit timing. Please manually ' +\n            `set the query timing to: \"{static: ${(timing === QueryTiming.STATIC).toString()}}\"`;\n      }\n    }\n\n    return {\n      failureMessage,\n      node: ts.updateCall(\n          queryExpr, queryExpr.expression, queryExpr.typeArguments,\n          [queryArguments[0], newOptionsNode !])\n    };\n  }\n\n  const optionsNode = ts.createObjectLiteral(queryPropertyAssignments);\n\n  if (createTodo) {\n    addQueryTimingTodoToNode(optionsNode, timing === null);\n  }\n\n  return {\n    failureMessage: null,\n    node: ts.updateCall(\n        queryExpr, queryExpr.expression, queryExpr.typeArguments,\n        [queryArguments[0], optionsNode])\n  };\n}\n\n/**\n * Adds a to-do to the given TypeScript node which reminds developers to specify\n * an explicit query timing or to double-check the updated timing.\n */\nfunction addQueryTimingTodoToNode(node: ts.Node, addSpecifyTimingTodo: boolean) {\n  ts.setSyntheticLeadingComments(\n      node, [{\n        pos: -1,\n        end: -1,\n        hasTrailingNewLine: false,\n        kind: ts.SyntaxKind.MultiLineCommentTrivia,\n        text: ` ${addSpecifyTimingTodo ? TODO_SPECIFY_COMMENT : TODO_CHECK_COMMENT} `\n      }]);\n}\n"]} |