@angular/compiler
Version:
Angular - the compiler library
93 lines • 11.6 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
*/
import * as o from '../../output/output_ast';
/** Name of the temporary to use during data binding */
export const TEMPORARY_NAME = '_t';
/** Name of the context parameter passed into a template function */
export const CONTEXT_NAME = 'ctx';
/** Name of the RenderFlag passed into a template function */
export const RENDER_FLAGS = 'rf';
/** The prefix reference variables */
export const REFERENCE_PREFIX = '_r';
/** The name of the implicit context reference */
export const IMPLICIT_REFERENCE = '$implicit';
/** Name of the i18n attributes **/
export const I18N_ATTR = 'i18n';
export const I18N_ATTR_PREFIX = 'i18n-';
/** I18n separators for metadata **/
export const MEANING_SEPARATOR = '|';
export const ID_SEPARATOR = '@@';
/**
* Creates an allocator for a temporary variable.
*
* A variable declaration is added to the statements the first time the allocator is invoked.
*/
export function temporaryAllocator(statements, name) {
let temp = null;
return () => {
if (!temp) {
statements.push(new o.DeclareVarStmt(TEMPORARY_NAME, undefined, o.DYNAMIC_TYPE));
temp = o.variable(name);
}
return temp;
};
}
export 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`);
}
export function invalid(arg) {
throw new Error(`Invalid state: Visitor ${this.constructor.name} doesn't handle ${o.constructor.name}`);
}
export function asLiteral(value) {
if (Array.isArray(value)) {
return o.literalArr(value.map(asLiteral));
}
return o.literal(value, o.INFERRED_TYPE);
}
export function conditionallyCreateMapObjectLiteral(keys) {
if (Object.getOwnPropertyNames(keys).length > 0) {
return mapToExpression(keys);
}
return null;
}
export function mapToExpression(map, quoted = false) {
return o.literalMap(Object.getOwnPropertyNames(map).map(key => ({ key, quoted, value: asLiteral(map[key]) })));
}
/**
* Remove trailing null nodes as they are implied.
*/
export function trimTrailingNulls(parameters) {
while (o.isNull(parameters[parameters.length - 1])) {
parameters.pop();
}
return parameters;
}
export function getQueryPredicate(query, constantPool) {
if (Array.isArray(query.predicate)) {
return constantPool.getConstLiteral(o.literalArr(query.predicate.map(selector => o.literal(selector))));
}
else {
return query.predicate;
}
}
export function noop() { }
export class DefinitionMap {
constructor() {
this.values = [];
}
set(key, value) {
if (value) {
this.values.push({ key, value, quoted: false });
}
}
toLiteralMap() { return o.literalMap(this.values); }
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"util.js","sourceRoot":"","sources":["../../../../../../../../packages/compiler/src/render3/view/util.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAGH,OAAO,KAAK,CAAC,MAAM,yBAAyB,CAAC;AAK7C,uDAAuD;AACvD,MAAM,CAAC,MAAM,cAAc,GAAG,IAAI,CAAC;AAEnC,oEAAoE;AACpE,MAAM,CAAC,MAAM,YAAY,GAAG,KAAK,CAAC;AAElC,6DAA6D;AAC7D,MAAM,CAAC,MAAM,YAAY,GAAG,IAAI,CAAC;AAEjC,qCAAqC;AACrC,MAAM,CAAC,MAAM,gBAAgB,GAAG,IAAI,CAAC;AAErC,iDAAiD;AACjD,MAAM,CAAC,MAAM,kBAAkB,GAAG,WAAW,CAAC;AAE9C,mCAAmC;AACnC,MAAM,CAAC,MAAM,SAAS,GAAG,MAAM,CAAC;AAChC,MAAM,CAAC,MAAM,gBAAgB,GAAG,OAAO,CAAC;AAExC,oCAAoC;AACpC,MAAM,CAAC,MAAM,iBAAiB,GAAG,GAAG,CAAC;AACrC,MAAM,CAAC,MAAM,YAAY,GAAG,IAAI,CAAC;AAEjC;;;;GAIG;AACH,MAAM,6BAA6B,UAAyB,EAAE,IAAY;IACxE,IAAI,IAAI,GAAuB,IAAI,CAAC;IACpC,OAAO,GAAG,EAAE;QACV,IAAI,CAAC,IAAI,EAAE;YACT,UAAU,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,cAAc,CAAC,cAAc,EAAE,SAAS,EAAE,CAAC,CAAC,YAAY,CAAC,CAAC,CAAC;YACjF,IAAI,GAAG,CAAC,CAAC,QAAQ,CAAC,IAAI,CAAC,CAAC;SACzB;QACD,OAAO,IAAI,CAAC;IACd,CAAC,CAAC;AACJ,CAAC;AAGD,MAAM,sBAAsB,OAAe;IACzC,IAAI,IAAI,EAAE;QACR,MAAM,IAAI,KAAK,CAAC,WAAW,IAAI,CAAC,WAAW,CAAC,IAAI,oBAAoB,OAAO,MAAM,CAAC,CAAC;KACpF;IACD,MAAM,IAAI,KAAK,CAAC,WAAW,OAAO,uBAAuB,CAAC,CAAC;AAC7D,CAAC;AAED,MAAM,kBAAqB,GAAwC;IACjE,MAAM,IAAI,KAAK,CACX,0BAA0B,IAAI,CAAC,WAAW,CAAC,IAAI,mBAAmB,CAAC,CAAC,WAAW,CAAC,IAAI,EAAE,CAAC,CAAC;AAC9F,CAAC;AAED,MAAM,oBAAoB,KAAU;IAClC,IAAI,KAAK,CAAC,OAAO,CAAC,KAAK,CAAC,EAAE;QACxB,OAAO,CAAC,CAAC,UAAU,CAAC,KAAK,CAAC,GAAG,CAAC,SAAS,CAAC,CAAC,CAAC;KAC3C;IACD,OAAO,CAAC,CAAC,OAAO,CAAC,KAAK,EAAE,CAAC,CAAC,aAAa,CAAC,CAAC;AAC3C,CAAC;AAED,MAAM,8CAA8C,IAA6B;IAE/E,IAAI,MAAM,CAAC,mBAAmB,CAAC,IAAI,CAAC,CAAC,MAAM,GAAG,CAAC,EAAE;QAC/C,OAAO,eAAe,CAAC,IAAI,CAAC,CAAC;KAC9B;IACD,OAAO,IAAI,CAAC;AACd,CAAC;AAED,MAAM,0BAA0B,GAAyB,EAAE,MAAM,GAAG,KAAK;IACvE,OAAO,CAAC,CAAC,UAAU,CACf,MAAM,CAAC,mBAAmB,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,GAAG,CAAC,EAAE,CAAC,CAAC,EAAC,GAAG,EAAE,MAAM,EAAE,KAAK,EAAE,SAAS,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,EAAC,CAAC,CAAC,CAAC,CAAC;AAC/F,CAAC;AAED;;GAEG;AACH,MAAM,4BAA4B,UAA0B;IAC1D,OAAO,CAAC,CAAC,MAAM,CAAC,UAAU,CAAC,UAAU,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC,EAAE;QAClD,UAAU,CAAC,GAAG,EAAE,CAAC;KAClB;IACD,OAAO,UAAU,CAAC;AACpB,CAAC;AAED,MAAM,4BACF,KAAsB,EAAE,YAA0B;IACpD,IAAI,KAAK,CAAC,OAAO,CAAC,KAAK,CAAC,SAAS,CAAC,EAAE;QAClC,OAAO,YAAY,CAAC,eAAe,CAC/B,CAAC,CAAC,UAAU,CAAC,KAAK,CAAC,SAAS,CAAC,GAAG,CAAC,QAAQ,CAAC,EAAE,CAAC,CAAC,CAAC,OAAO,CAAC,QAAQ,CAAiB,CAAC,CAAC,CAAC,CAAC;KACzF;SAAM;QACL,OAAO,KAAK,CAAC,SAAS,CAAC;KACxB;AACH,CAAC;AAED,MAAM,mBAAkB,CAAC;AAEzB,MAAM;IAAN;QACE,WAAM,GAA0D,EAAE,CAAC;IASrE,CAAC;IAPC,GAAG,CAAC,GAAW,EAAE,KAAwB;QACvC,IAAI,KAAK,EAAE;YACT,IAAI,CAAC,MAAM,CAAC,IAAI,CAAC,EAAC,GAAG,EAAE,KAAK,EAAE,MAAM,EAAE,KAAK,EAAC,CAAC,CAAC;SAC/C;IACH,CAAC;IAED,YAAY,KAAuB,OAAO,CAAC,CAAC,UAAU,CAAC,IAAI,CAAC,MAAM,CAAC,CAAC,CAAC,CAAC;CACvE","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"]}