@angular/compiler
Version:
Angular - the compiler library
366 lines • 43.7 kB
JavaScript
/**
* @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
*/
(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/r3_ast", ["require", "exports", "tslib"], factory);
}
})(function (require, exports) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.transformAll = exports.visitAll = exports.TransformVisitor = exports.RecursiveVisitor = exports.NullVisitor = exports.Icu = exports.Reference = exports.Variable = exports.Content = exports.Template = exports.Element = exports.BoundEvent = exports.BoundAttribute = exports.TextAttribute = exports.BoundText = exports.Text = void 0;
var tslib_1 = require("tslib");
var Text = /** @class */ (function () {
function Text(value, sourceSpan) {
this.value = value;
this.sourceSpan = sourceSpan;
}
Text.prototype.visit = function (visitor) {
return visitor.visitText(this);
};
return Text;
}());
exports.Text = Text;
var BoundText = /** @class */ (function () {
function BoundText(value, sourceSpan, i18n) {
this.value = value;
this.sourceSpan = sourceSpan;
this.i18n = i18n;
}
BoundText.prototype.visit = function (visitor) {
return visitor.visitBoundText(this);
};
return BoundText;
}());
exports.BoundText = BoundText;
var TextAttribute = /** @class */ (function () {
function TextAttribute(name, value, sourceSpan, valueSpan, i18n) {
this.name = name;
this.value = value;
this.sourceSpan = sourceSpan;
this.valueSpan = valueSpan;
this.i18n = i18n;
}
TextAttribute.prototype.visit = function (visitor) {
return visitor.visitTextAttribute(this);
};
return TextAttribute;
}());
exports.TextAttribute = TextAttribute;
var BoundAttribute = /** @class */ (function () {
function BoundAttribute(name, type, securityContext, value, unit, sourceSpan, keySpan, valueSpan, i18n) {
this.name = name;
this.type = type;
this.securityContext = securityContext;
this.value = value;
this.unit = unit;
this.sourceSpan = sourceSpan;
this.keySpan = keySpan;
this.valueSpan = valueSpan;
this.i18n = i18n;
}
BoundAttribute.fromBoundElementProperty = function (prop, i18n) {
if (prop.keySpan === undefined) {
throw new Error("Unexpected state: keySpan must be defined for bound attributes but was not for " + prop.name + ": " + prop.sourceSpan);
}
return new BoundAttribute(prop.name, prop.type, prop.securityContext, prop.value, prop.unit, prop.sourceSpan, prop.keySpan, prop.valueSpan, i18n);
};
BoundAttribute.prototype.visit = function (visitor) {
return visitor.visitBoundAttribute(this);
};
return BoundAttribute;
}());
exports.BoundAttribute = BoundAttribute;
var BoundEvent = /** @class */ (function () {
function BoundEvent(name, type, handler, target, phase, sourceSpan, handlerSpan) {
this.name = name;
this.type = type;
this.handler = handler;
this.target = target;
this.phase = phase;
this.sourceSpan = sourceSpan;
this.handlerSpan = handlerSpan;
}
BoundEvent.fromParsedEvent = function (event) {
var target = event.type === 0 /* Regular */ ? event.targetOrPhase : null;
var phase = event.type === 1 /* Animation */ ? event.targetOrPhase : null;
return new BoundEvent(event.name, event.type, event.handler, target, phase, event.sourceSpan, event.handlerSpan);
};
BoundEvent.prototype.visit = function (visitor) {
return visitor.visitBoundEvent(this);
};
return BoundEvent;
}());
exports.BoundEvent = BoundEvent;
var Element = /** @class */ (function () {
function Element(name, attributes, inputs, outputs, children, references, sourceSpan, startSourceSpan, endSourceSpan, i18n) {
this.name = name;
this.attributes = attributes;
this.inputs = inputs;
this.outputs = outputs;
this.children = children;
this.references = references;
this.sourceSpan = sourceSpan;
this.startSourceSpan = startSourceSpan;
this.endSourceSpan = endSourceSpan;
this.i18n = i18n;
}
Element.prototype.visit = function (visitor) {
return visitor.visitElement(this);
};
return Element;
}());
exports.Element = Element;
var Template = /** @class */ (function () {
function Template(tagName, attributes, inputs, outputs, templateAttrs, children, references, variables, sourceSpan, startSourceSpan, endSourceSpan, i18n) {
this.tagName = tagName;
this.attributes = attributes;
this.inputs = inputs;
this.outputs = outputs;
this.templateAttrs = templateAttrs;
this.children = children;
this.references = references;
this.variables = variables;
this.sourceSpan = sourceSpan;
this.startSourceSpan = startSourceSpan;
this.endSourceSpan = endSourceSpan;
this.i18n = i18n;
}
Template.prototype.visit = function (visitor) {
return visitor.visitTemplate(this);
};
return Template;
}());
exports.Template = Template;
var Content = /** @class */ (function () {
function Content(selector, attributes, sourceSpan, i18n) {
this.selector = selector;
this.attributes = attributes;
this.sourceSpan = sourceSpan;
this.i18n = i18n;
this.name = 'ng-content';
}
Content.prototype.visit = function (visitor) {
return visitor.visitContent(this);
};
return Content;
}());
exports.Content = Content;
var Variable = /** @class */ (function () {
function Variable(name, value, sourceSpan, keySpan, valueSpan) {
this.name = name;
this.value = value;
this.sourceSpan = sourceSpan;
this.keySpan = keySpan;
this.valueSpan = valueSpan;
}
Variable.prototype.visit = function (visitor) {
return visitor.visitVariable(this);
};
return Variable;
}());
exports.Variable = Variable;
var Reference = /** @class */ (function () {
function Reference(name, value, sourceSpan, valueSpan) {
this.name = name;
this.value = value;
this.sourceSpan = sourceSpan;
this.valueSpan = valueSpan;
}
Reference.prototype.visit = function (visitor) {
return visitor.visitReference(this);
};
return Reference;
}());
exports.Reference = Reference;
var Icu = /** @class */ (function () {
function Icu(vars, placeholders, sourceSpan, i18n) {
this.vars = vars;
this.placeholders = placeholders;
this.sourceSpan = sourceSpan;
this.i18n = i18n;
}
Icu.prototype.visit = function (visitor) {
return visitor.visitIcu(this);
};
return Icu;
}());
exports.Icu = Icu;
var NullVisitor = /** @class */ (function () {
function NullVisitor() {
}
NullVisitor.prototype.visitElement = function (element) { };
NullVisitor.prototype.visitTemplate = function (template) { };
NullVisitor.prototype.visitContent = function (content) { };
NullVisitor.prototype.visitVariable = function (variable) { };
NullVisitor.prototype.visitReference = function (reference) { };
NullVisitor.prototype.visitTextAttribute = function (attribute) { };
NullVisitor.prototype.visitBoundAttribute = function (attribute) { };
NullVisitor.prototype.visitBoundEvent = function (attribute) { };
NullVisitor.prototype.visitText = function (text) { };
NullVisitor.prototype.visitBoundText = function (text) { };
NullVisitor.prototype.visitIcu = function (icu) { };
return NullVisitor;
}());
exports.NullVisitor = NullVisitor;
var RecursiveVisitor = /** @class */ (function () {
function RecursiveVisitor() {
}
RecursiveVisitor.prototype.visitElement = function (element) {
visitAll(this, element.attributes);
visitAll(this, element.children);
visitAll(this, element.references);
};
RecursiveVisitor.prototype.visitTemplate = function (template) {
visitAll(this, template.attributes);
visitAll(this, template.children);
visitAll(this, template.references);
visitAll(this, template.variables);
};
RecursiveVisitor.prototype.visitContent = function (content) { };
RecursiveVisitor.prototype.visitVariable = function (variable) { };
RecursiveVisitor.prototype.visitReference = function (reference) { };
RecursiveVisitor.prototype.visitTextAttribute = function (attribute) { };
RecursiveVisitor.prototype.visitBoundAttribute = function (attribute) { };
RecursiveVisitor.prototype.visitBoundEvent = function (attribute) { };
RecursiveVisitor.prototype.visitText = function (text) { };
RecursiveVisitor.prototype.visitBoundText = function (text) { };
RecursiveVisitor.prototype.visitIcu = function (icu) { };
return RecursiveVisitor;
}());
exports.RecursiveVisitor = RecursiveVisitor;
var TransformVisitor = /** @class */ (function () {
function TransformVisitor() {
}
TransformVisitor.prototype.visitElement = function (element) {
var newAttributes = transformAll(this, element.attributes);
var newInputs = transformAll(this, element.inputs);
var newOutputs = transformAll(this, element.outputs);
var newChildren = transformAll(this, element.children);
var newReferences = transformAll(this, element.references);
if (newAttributes != element.attributes || newInputs != element.inputs ||
newOutputs != element.outputs || newChildren != element.children ||
newReferences != element.references) {
return new Element(element.name, newAttributes, newInputs, newOutputs, newChildren, newReferences, element.sourceSpan, element.startSourceSpan, element.endSourceSpan);
}
return element;
};
TransformVisitor.prototype.visitTemplate = function (template) {
var newAttributes = transformAll(this, template.attributes);
var newInputs = transformAll(this, template.inputs);
var newOutputs = transformAll(this, template.outputs);
var newTemplateAttrs = transformAll(this, template.templateAttrs);
var newChildren = transformAll(this, template.children);
var newReferences = transformAll(this, template.references);
var newVariables = transformAll(this, template.variables);
if (newAttributes != template.attributes || newInputs != template.inputs ||
newOutputs != template.outputs || newTemplateAttrs != template.templateAttrs ||
newChildren != template.children || newReferences != template.references ||
newVariables != template.variables) {
return new Template(template.tagName, newAttributes, newInputs, newOutputs, newTemplateAttrs, newChildren, newReferences, newVariables, template.sourceSpan, template.startSourceSpan, template.endSourceSpan);
}
return template;
};
TransformVisitor.prototype.visitContent = function (content) {
return content;
};
TransformVisitor.prototype.visitVariable = function (variable) {
return variable;
};
TransformVisitor.prototype.visitReference = function (reference) {
return reference;
};
TransformVisitor.prototype.visitTextAttribute = function (attribute) {
return attribute;
};
TransformVisitor.prototype.visitBoundAttribute = function (attribute) {
return attribute;
};
TransformVisitor.prototype.visitBoundEvent = function (attribute) {
return attribute;
};
TransformVisitor.prototype.visitText = function (text) {
return text;
};
TransformVisitor.prototype.visitBoundText = function (text) {
return text;
};
TransformVisitor.prototype.visitIcu = function (icu) {
return icu;
};
return TransformVisitor;
}());
exports.TransformVisitor = TransformVisitor;
function visitAll(visitor, nodes) {
var e_1, _a, e_2, _b;
var result = [];
if (visitor.visit) {
try {
for (var nodes_1 = tslib_1.__values(nodes), nodes_1_1 = nodes_1.next(); !nodes_1_1.done; nodes_1_1 = nodes_1.next()) {
var node = nodes_1_1.value;
var newNode = visitor.visit(node) || node.visit(visitor);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (nodes_1_1 && !nodes_1_1.done && (_a = nodes_1.return)) _a.call(nodes_1);
}
finally { if (e_1) throw e_1.error; }
}
}
else {
try {
for (var nodes_2 = tslib_1.__values(nodes), nodes_2_1 = nodes_2.next(); !nodes_2_1.done; nodes_2_1 = nodes_2.next()) {
var node = nodes_2_1.value;
var newNode = node.visit(visitor);
if (newNode) {
result.push(newNode);
}
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (nodes_2_1 && !nodes_2_1.done && (_b = nodes_2.return)) _b.call(nodes_2);
}
finally { if (e_2) throw e_2.error; }
}
}
return result;
}
exports.visitAll = visitAll;
function transformAll(visitor, nodes) {
var e_3, _a;
var result = [];
var changed = false;
try {
for (var nodes_3 = tslib_1.__values(nodes), nodes_3_1 = nodes_3.next(); !nodes_3_1.done; nodes_3_1 = nodes_3.next()) {
var node = nodes_3_1.value;
var newNode = node.visit(visitor);
if (newNode) {
result.push(newNode);
}
changed = changed || newNode != node;
}
}
catch (e_3_1) { e_3 = { error: e_3_1 }; }
finally {
try {
if (nodes_3_1 && !nodes_3_1.done && (_a = nodes_3.return)) _a.call(nodes_3);
}
finally { if (e_3) throw e_3.error; }
}
return changed ? result : nodes;
}
exports.transformAll = transformAll;
});
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* @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 {SecurityContext} from '../core';\nimport {AST, BindingType, BoundElementProperty, ParsedEvent, ParsedEventType} from '../expression_parser/ast';\nimport {I18nMeta} from '../i18n/i18n_ast';\nimport {ParseSourceSpan} from '../parse_util';\n\nexport interface Node {\n  sourceSpan: ParseSourceSpan;\n  visit<Result>(visitor: Visitor<Result>): Result;\n}\n\nexport class Text implements Node {\n  constructor(public value: string, public sourceSpan: ParseSourceSpan) {}\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitText(this);\n  }\n}\n\nexport class BoundText implements Node {\n  constructor(public value: AST, public sourceSpan: ParseSourceSpan, public i18n?: I18nMeta) {}\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitBoundText(this);\n  }\n}\n\nexport class TextAttribute implements Node {\n  constructor(\n      public name: string, public value: string, public sourceSpan: ParseSourceSpan,\n      public valueSpan?: ParseSourceSpan, public i18n?: I18nMeta) {}\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitTextAttribute(this);\n  }\n}\n\nexport class BoundAttribute implements Node {\n  constructor(\n      public name: string, public type: BindingType, public securityContext: SecurityContext,\n      public value: AST, public unit: string|null, public sourceSpan: ParseSourceSpan,\n      readonly keySpan: ParseSourceSpan, public valueSpan: ParseSourceSpan|undefined,\n      public i18n: I18nMeta|undefined) {}\n\n  static fromBoundElementProperty(prop: BoundElementProperty, i18n?: I18nMeta): BoundAttribute {\n    if (prop.keySpan === undefined) {\n      throw new Error(\n          `Unexpected state: keySpan must be defined for bound attributes but was not for ${\n              prop.name}: ${prop.sourceSpan}`);\n    }\n    return new BoundAttribute(\n        prop.name, prop.type, prop.securityContext, prop.value, prop.unit, prop.sourceSpan,\n        prop.keySpan, prop.valueSpan, i18n);\n  }\n\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitBoundAttribute(this);\n  }\n}\n\nexport class BoundEvent implements Node {\n  constructor(\n      public name: string, public type: ParsedEventType, public handler: AST,\n      public target: string|null, public phase: string|null, public sourceSpan: ParseSourceSpan,\n      public handlerSpan: ParseSourceSpan) {}\n\n  static fromParsedEvent(event: ParsedEvent) {\n    const target: string|null = event.type === ParsedEventType.Regular ? event.targetOrPhase : null;\n    const phase: string|null =\n        event.type === ParsedEventType.Animation ? event.targetOrPhase : null;\n    return new BoundEvent(\n        event.name, event.type, event.handler, target, phase, event.sourceSpan, event.handlerSpan);\n  }\n\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitBoundEvent(this);\n  }\n}\n\nexport class Element implements Node {\n  constructor(\n      public name: string, public attributes: TextAttribute[], public inputs: BoundAttribute[],\n      public outputs: BoundEvent[], public children: Node[], public references: Reference[],\n      public sourceSpan: ParseSourceSpan, public startSourceSpan: ParseSourceSpan,\n      public endSourceSpan: ParseSourceSpan|null, public i18n?: I18nMeta) {}\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitElement(this);\n  }\n}\n\nexport class Template implements Node {\n  constructor(\n      public tagName: string, public attributes: TextAttribute[], public inputs: BoundAttribute[],\n      public outputs: BoundEvent[], public templateAttrs: (BoundAttribute|TextAttribute)[],\n      public children: Node[], public references: Reference[], public variables: Variable[],\n      public sourceSpan: ParseSourceSpan, public startSourceSpan: ParseSourceSpan,\n      public endSourceSpan: ParseSourceSpan|null, public i18n?: I18nMeta) {}\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitTemplate(this);\n  }\n}\n\nexport class Content implements Node {\n  readonly name = 'ng-content';\n\n  constructor(\n      public selector: string, public attributes: TextAttribute[],\n      public sourceSpan: ParseSourceSpan, public i18n?: I18nMeta) {}\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitContent(this);\n  }\n}\n\nexport class Variable implements Node {\n  constructor(\n      public name: string, public value: string, public sourceSpan: ParseSourceSpan,\n      readonly keySpan: ParseSourceSpan, public valueSpan?: ParseSourceSpan) {}\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitVariable(this);\n  }\n}\n\nexport class Reference implements Node {\n  constructor(\n      public name: string, public value: string, public sourceSpan: ParseSourceSpan,\n      public valueSpan?: ParseSourceSpan) {}\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitReference(this);\n  }\n}\n\nexport class Icu implements Node {\n  constructor(\n      public vars: {[name: string]: BoundText},\n      public placeholders: {[name: string]: Text|BoundText}, public sourceSpan: ParseSourceSpan,\n      public i18n?: I18nMeta) {}\n  visit<Result>(visitor: Visitor<Result>): Result {\n    return visitor.visitIcu(this);\n  }\n}\n\nexport interface Visitor<Result = any> {\n  // Returning a truthy value from `visit()` will prevent `visitAll()` from the call to the typed\n  // method and result returned will become the result included in `visitAll()`s result array.\n  visit?(node: Node): Result;\n\n  visitElement(element: Element): Result;\n  visitTemplate(template: Template): Result;\n  visitContent(content: Content): Result;\n  visitVariable(variable: Variable): Result;\n  visitReference(reference: Reference): Result;\n  visitTextAttribute(attribute: TextAttribute): Result;\n  visitBoundAttribute(attribute: BoundAttribute): Result;\n  visitBoundEvent(attribute: BoundEvent): Result;\n  visitText(text: Text): Result;\n  visitBoundText(text: BoundText): Result;\n  visitIcu(icu: Icu): Result;\n}\n\nexport class NullVisitor implements Visitor<void> {\n  visitElement(element: Element): void {}\n  visitTemplate(template: Template): void {}\n  visitContent(content: Content): void {}\n  visitVariable(variable: Variable): void {}\n  visitReference(reference: Reference): void {}\n  visitTextAttribute(attribute: TextAttribute): void {}\n  visitBoundAttribute(attribute: BoundAttribute): void {}\n  visitBoundEvent(attribute: BoundEvent): void {}\n  visitText(text: Text): void {}\n  visitBoundText(text: BoundText): void {}\n  visitIcu(icu: Icu): void {}\n}\n\nexport class RecursiveVisitor implements Visitor<void> {\n  visitElement(element: Element): void {\n    visitAll(this, element.attributes);\n    visitAll(this, element.children);\n    visitAll(this, element.references);\n  }\n  visitTemplate(template: Template): void {\n    visitAll(this, template.attributes);\n    visitAll(this, template.children);\n    visitAll(this, template.references);\n    visitAll(this, template.variables);\n  }\n  visitContent(content: Content): void {}\n  visitVariable(variable: Variable): void {}\n  visitReference(reference: Reference): void {}\n  visitTextAttribute(attribute: TextAttribute): void {}\n  visitBoundAttribute(attribute: BoundAttribute): void {}\n  visitBoundEvent(attribute: BoundEvent): void {}\n  visitText(text: Text): void {}\n  visitBoundText(text: BoundText): void {}\n  visitIcu(icu: Icu): void {}\n}\n\nexport class TransformVisitor implements Visitor<Node> {\n  visitElement(element: Element): Node {\n    const newAttributes = transformAll(this, element.attributes);\n    const newInputs = transformAll(this, element.inputs);\n    const newOutputs = transformAll(this, element.outputs);\n    const newChildren = transformAll(this, element.children);\n    const newReferences = transformAll(this, element.references);\n    if (newAttributes != element.attributes || newInputs != element.inputs ||\n        newOutputs != element.outputs || newChildren != element.children ||\n        newReferences != element.references) {\n      return new Element(\n          element.name, newAttributes, newInputs, newOutputs, newChildren, newReferences,\n          element.sourceSpan, element.startSourceSpan, element.endSourceSpan);\n    }\n    return element;\n  }\n\n  visitTemplate(template: Template): Node {\n    const newAttributes = transformAll(this, template.attributes);\n    const newInputs = transformAll(this, template.inputs);\n    const newOutputs = transformAll(this, template.outputs);\n    const newTemplateAttrs = transformAll(this, template.templateAttrs);\n    const newChildren = transformAll(this, template.children);\n    const newReferences = transformAll(this, template.references);\n    const newVariables = transformAll(this, template.variables);\n    if (newAttributes != template.attributes || newInputs != template.inputs ||\n        newOutputs != template.outputs || newTemplateAttrs != template.templateAttrs ||\n        newChildren != template.children || newReferences != template.references ||\n        newVariables != template.variables) {\n      return new Template(\n          template.tagName, newAttributes, newInputs, newOutputs, newTemplateAttrs, newChildren,\n          newReferences, newVariables, template.sourceSpan, template.startSourceSpan,\n          template.endSourceSpan);\n    }\n    return template;\n  }\n\n  visitContent(content: Content): Node {\n    return content;\n  }\n\n  visitVariable(variable: Variable): Node {\n    return variable;\n  }\n  visitReference(reference: Reference): Node {\n    return reference;\n  }\n  visitTextAttribute(attribute: TextAttribute): Node {\n    return attribute;\n  }\n  visitBoundAttribute(attribute: BoundAttribute): Node {\n    return attribute;\n  }\n  visitBoundEvent(attribute: BoundEvent): Node {\n    return attribute;\n  }\n  visitText(text: Text): Node {\n    return text;\n  }\n  visitBoundText(text: BoundText): Node {\n    return text;\n  }\n  visitIcu(icu: Icu): Node {\n    return icu;\n  }\n}\n\nexport function visitAll<Result>(visitor: Visitor<Result>, nodes: Node[]): Result[] {\n  const result: Result[] = [];\n  if (visitor.visit) {\n    for (const node of nodes) {\n      const newNode = visitor.visit(node) || node.visit(visitor);\n    }\n  } else {\n    for (const node of nodes) {\n      const newNode = node.visit(visitor);\n      if (newNode) {\n        result.push(newNode);\n      }\n    }\n  }\n  return result;\n}\n\nexport function transformAll<Result extends Node>(\n    visitor: Visitor<Node>, nodes: Result[]): Result[] {\n  const result: Result[] = [];\n  let changed = false;\n  for (const node of nodes) {\n    const newNode = node.visit(visitor);\n    if (newNode) {\n      result.push(newNode as Result);\n    }\n    changed = changed || newNode != node;\n  }\n  return changed ? result : nodes;\n}\n"]}