@angular/compiler
Version:
Angular - the compiler library
117 lines • 13.2 kB
JavaScript
/**
* @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/compiler/src/render3/view/util", ["require", "exports", "@angular/compiler/src/output/output_ast"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var o = require("@angular/compiler/src/output/output_ast");
/** Name of the temporary to use during data binding */
exports.TEMPORARY_NAME = '_t';
/** Name of the context parameter passed into a template function */
exports.CONTEXT_NAME = 'ctx';
/** Name of the RenderFlag passed into a template function */
exports.RENDER_FLAGS = 'rf';
/** The prefix reference variables */
exports.REFERENCE_PREFIX = '_r';
/** The name of the implicit context reference */
exports.IMPLICIT_REFERENCE = '$implicit';
/** Name of the i18n attributes **/
exports.I18N_ATTR = 'i18n';
exports.I18N_ATTR_PREFIX = 'i18n-';
/** I18n separators for metadata **/
exports.MEANING_SEPARATOR = '|';
exports.ID_SEPARATOR = '@@';
/**
* Creates an allocator for a temporary variable.
*
* A variable declaration is added to the statements the first time the allocator is invoked.
*/
function temporaryAllocator(statements, name) {
var temp = null;
return function () {
if (!temp) {
statements.push(new o.DeclareVarStmt(exports.TEMPORARY_NAME, undefined, o.DYNAMIC_TYPE));
temp = o.variable(name);
}
return temp;
};
}
exports.temporaryAllocator = temporaryAllocator;
function unsupported(feature) {
if (this) {
throw new Error("Builder " + this.constructor.name + " doesn't support " + feature + " yet");
}
throw new Error("Feature " + feature + " is not supported yet");
}
exports.unsupported = unsupported;
function invalid(arg) {
throw new Error("Invalid state: Visitor " + this.constructor.name + " doesn't handle " + o.constructor.name);
}
exports.invalid = invalid;
function asLiteral(value) {
if (Array.isArray(value)) {
return o.literalArr(value.map(asLiteral));
}
return o.literal(value, o.INFERRED_TYPE);
}
exports.asLiteral = asLiteral;
function conditionallyCreateMapObjectLiteral(keys) {
if (Object.getOwnPropertyNames(keys).length > 0) {
return mapToExpression(keys);
}
return null;
}
exports.conditionallyCreateMapObjectLiteral = conditionallyCreateMapObjectLiteral;
function mapToExpression(map, quoted) {
if (quoted === void 0) { quoted = false; }
return o.literalMap(Object.getOwnPropertyNames(map).map(function (key) { return ({ key: key, quoted: quoted, value: asLiteral(map[key]) }); }));
}
exports.mapToExpression = mapToExpression;
/**
* Remove trailing null nodes as they are implied.
*/
function trimTrailingNulls(parameters) {
while (o.isNull(parameters[parameters.length - 1])) {
parameters.pop();
}
return parameters;
}
exports.trimTrailingNulls = trimTrailingNulls;
function getQueryPredicate(query, constantPool) {
if (Array.isArray(query.predicate)) {
return constantPool.getConstLiteral(o.literalArr(query.predicate.map(function (selector) { return o.literal(selector); })));
}
else {
return query.predicate;
}
}
exports.getQueryPredicate = getQueryPredicate;
function noop() { }
exports.noop = noop;
var DefinitionMap = /** @class */ (function () {
function DefinitionMap() {
this.values = [];
}
DefinitionMap.prototype.set = function (key, value) {
if (value) {
this.values.push({ key: key, value: value, quoted: false });
}
};
DefinitionMap.prototype.toLiteralMap = function () { return o.literalMap(this.values); };
return DefinitionMap;
}());
exports.DefinitionMap = DefinitionMap;
});
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"util.js","sourceRoot":"","sources":["../../../../../../../../packages/compiler/src/render3/view/util.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;;;;;;;;;;;;IAGH,2DAA6C;IAK7C,uDAAuD;IAC1C,QAAA,cAAc,GAAG,IAAI,CAAC;IAEnC,oEAAoE;IACvD,QAAA,YAAY,GAAG,KAAK,CAAC;IAElC,6DAA6D;IAChD,QAAA,YAAY,GAAG,IAAI,CAAC;IAEjC,qCAAqC;IACxB,QAAA,gBAAgB,GAAG,IAAI,CAAC;IAErC,iDAAiD;IACpC,QAAA,kBAAkB,GAAG,WAAW,CAAC;IAE9C,mCAAmC;IACtB,QAAA,SAAS,GAAG,MAAM,CAAC;IACnB,QAAA,gBAAgB,GAAG,OAAO,CAAC;IAExC,oCAAoC;IACvB,QAAA,iBAAiB,GAAG,GAAG,CAAC;IACxB,QAAA,YAAY,GAAG,IAAI,CAAC;IAEjC;;;;OAIG;IACH,4BAAmC,UAAyB,EAAE,IAAY;QACxE,IAAI,IAAI,GAAuB,IAAI,CAAC;QACpC,OAAO;YACL,IAAI,CAAC,IAAI,EAAE;gBACT,UAAU,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,cAAc,CAAC,sBAAc,EAAE,SAAS,EAAE,CAAC,CAAC,YAAY,CAAC,CAAC,CAAC;gBACjF,IAAI,GAAG,CAAC,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC;aACzB;YACD,OAAO,IAAI,CAAC;QACd,CAAC,CAAC;IACJ,CAAC;IATD,gDASC;IAGD,qBAA4B,OAAe;QACzC,IAAI,IAAI,EAAE;YACR,MAAM,IAAI,KAAK,CAAC,aAAW,IAAI,CAAC,WAAW,CAAC,IAAI,yBAAoB,OAAO,SAAM,CAAC,CAAC;SACpF;QACD,MAAM,IAAI,KAAK,CAAC,aAAW,OAAO,0BAAuB,CAAC,CAAC;IAC7D,CAAC;IALD,kCAKC;IAED,iBAA2B,GAAwC;QACjE,MAAM,IAAI,KAAK,CACX,4BAA0B,IAAI,CAAC,WAAW,CAAC,IAAI,wBAAmB,CAAC,CAAC,WAAW,CAAC,IAAM,CAAC,CAAC;IAC9F,CAAC;IAHD,0BAGC;IAED,mBAA0B,KAAU;QAClC,IAAI,KAAK,CAAC,OAAO,CAAC,KAAK,CAAC,EAAE;YACxB,OAAO,CAAC,CAAC,UAAU,CAAC,KAAK,CAAC,GAAG,CAAC,SAAS,CAAC,CAAC,CAAC;SAC3C;QACD,OAAO,CAAC,CAAC,OAAO,CAAC,KAAK,EAAE,CAAC,CAAC,aAAa,CAAC,CAAC;IAC3C,CAAC;IALD,8BAKC;IAED,6CAAoD,IAA6B;QAE/E,IAAI,MAAM,CAAC,mBAAmB,CAAC,IAAI,CAAC,CAAC,MAAM,GAAG,CAAC,EAAE;YAC/C,OAAO,eAAe,CAAC,IAAI,CAAC,CAAC;SAC9B;QACD,OAAO,IAAI,CAAC;IACd,CAAC;IAND,kFAMC;IAED,yBAAgC,GAAyB,EAAE,MAAc;QAAd,uBAAA,EAAA,cAAc;QACvE,OAAO,CAAC,CAAC,UAAU,CACf,MAAM,CAAC,mBAAmB,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,UAAA,GAAG,IAAI,OAAA,CAAC,EAAC,GAAG,KAAA,EAAE,MAAM,QAAA,EAAE,KAAK,EAAE,SAAS,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,EAAC,CAAC,EAA3C,CAA2C,CAAC,CAAC,CAAC;IAC/F,CAAC;IAHD,0CAGC;IAED;;OAEG;IACH,2BAAkC,UAA0B;QAC1D,OAAO,CAAC,CAAC,MAAM,CAAC,UAAU,CAAC,UAAU,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC,EAAE;YAClD,UAAU,CAAC,GAAG,EAAE,CAAC;SAClB;QACD,OAAO,UAAU,CAAC;IACpB,CAAC;IALD,8CAKC;IAED,2BACI,KAAsB,EAAE,YAA0B;QACpD,IAAI,KAAK,CAAC,OAAO,CAAC,KAAK,CAAC,SAAS,CAAC,EAAE;YAClC,OAAO,YAAY,CAAC,eAAe,CAC/B,CAAC,CAAC,UAAU,CAAC,KAAK,CAAC,SAAS,CAAC,GAAG,CAAC,UAAA,QAAQ,IAAI,OAAA,CAAC,CAAC,OAAO,CAAC,QAAQ,CAAiB,EAAnC,CAAmC,CAAC,CAAC,CAAC,CAAC;SACzF;aAAM;YACL,OAAO,KAAK,CAAC,SAAS,CAAC;SACxB;IACH,CAAC;IARD,8CAQC;IAED,kBAAwB,CAAC;IAAzB,oBAAyB;IAEzB;QAAA;YACE,WAAM,GAA0D,EAAE,CAAC;QASrE,CAAC;QAPC,2BAAG,GAAH,UAAI,GAAW,EAAE,KAAwB;YACvC,IAAI,KAAK,EAAE;gBACT,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,EAAC,GAAG,KAAA,EAAE,KAAK,OAAA,EAAE,MAAM,EAAE,KAAK,EAAC,CAAC,CAAC;aAC/C;QACH,CAAC;QAED,oCAAY,GAAZ,cAAmC,OAAO,CAAC,CAAC,UAAU,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC;QACxE,oBAAC;IAAD,CAAC,AAVD,IAUC;IAVY,sCAAa","sourcesContent":["/**\n * @license\n * Copyright Google Inc. 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 {ConstantPool} from '../../constant_pool';\nimport * as o from '../../output/output_ast';\nimport * as t from '../r3_ast';\n\nimport {R3QueryMetadata} from './api';\n\n/** Name of the temporary to use during data binding */\nexport const TEMPORARY_NAME = '_t';\n\n/** Name of the context parameter passed into a template function */\nexport const CONTEXT_NAME = 'ctx';\n\n/** Name of the RenderFlag passed into a template function */\nexport const RENDER_FLAGS = 'rf';\n\n/** The prefix reference variables */\nexport const REFERENCE_PREFIX = '_r';\n\n/** The name of the implicit context reference */\nexport const IMPLICIT_REFERENCE = '$implicit';\n\n/** Name of the i18n attributes **/\nexport const I18N_ATTR = 'i18n';\nexport const I18N_ATTR_PREFIX = 'i18n-';\n\n/** I18n separators for metadata **/\nexport const MEANING_SEPARATOR = '|';\nexport const ID_SEPARATOR = '@@';\n\n/**\n * Creates an allocator for a temporary variable.\n *\n * A variable declaration is added to the statements the first time the allocator is invoked.\n */\nexport function temporaryAllocator(statements: o.Statement[], name: string): () => o.ReadVarExpr {\n  let temp: o.ReadVarExpr|null = null;\n  return () => {\n    if (!temp) {\n      statements.push(new o.DeclareVarStmt(TEMPORARY_NAME, undefined, o.DYNAMIC_TYPE));\n      temp = o.variable(name);\n    }\n    return temp;\n  };\n}\n\n\nexport function unsupported(feature: string): never {\n  if (this) {\n    throw new Error(`Builder ${this.constructor.name} doesn't support ${feature} yet`);\n  }\n  throw new Error(`Feature ${feature} is not supported yet`);\n}\n\nexport function invalid<T>(arg: o.Expression | o.Statement | t.Node): never {\n  throw new Error(\n      `Invalid state: Visitor ${this.constructor.name} doesn't handle ${o.constructor.name}`);\n}\n\nexport function asLiteral(value: any): o.Expression {\n  if (Array.isArray(value)) {\n    return o.literalArr(value.map(asLiteral));\n  }\n  return o.literal(value, o.INFERRED_TYPE);\n}\n\nexport function conditionallyCreateMapObjectLiteral(keys: {[key: string]: string}): o.Expression|\n    null {\n  if (Object.getOwnPropertyNames(keys).length > 0) {\n    return mapToExpression(keys);\n  }\n  return null;\n}\n\nexport function mapToExpression(map: {[key: string]: any}, quoted = false): o.Expression {\n  return o.literalMap(\n      Object.getOwnPropertyNames(map).map(key => ({key, quoted, value: asLiteral(map[key])})));\n}\n\n/**\n *  Remove trailing null nodes as they are implied.\n */\nexport function trimTrailingNulls(parameters: o.Expression[]): o.Expression[] {\n  while (o.isNull(parameters[parameters.length - 1])) {\n    parameters.pop();\n  }\n  return parameters;\n}\n\nexport function getQueryPredicate(\n    query: R3QueryMetadata, constantPool: ConstantPool): o.Expression {\n  if (Array.isArray(query.predicate)) {\n    return constantPool.getConstLiteral(\n        o.literalArr(query.predicate.map(selector => o.literal(selector) as o.Expression)));\n  } else {\n    return query.predicate;\n  }\n}\n\nexport function noop() {}\n\nexport class DefinitionMap {\n  values: {key: string, quoted: boolean, value: o.Expression}[] = [];\n\n  set(key: string, value: o.Expression|null): void {\n    if (value) {\n      this.values.push({key, value, quoted: false});\n    }\n  }\n\n  toLiteralMap(): o.LiteralMapExpr { return o.literalMap(this.values); }\n}\n"]}