fix(dts generation): rewrite the d.ts file code generator to fix bugs and apply type remap correctly
Previously the type remap was not being applied to comments and free floating functions. The nunjucks template was becoming unreadable so rather than making a tweak there I rewrote it into imperative code that is much easier to follow. The output was diffed against the old output. The diff contained only the expected changes.
This commit is contained in:
Igor Minar
parent
34deda594f
commit
ad3b9cf232
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@ -1,40 +1,192 @@
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module.exports = {
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'use strict';
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signature: function(remap) {
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return function(ast) {
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try {
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var text = [];
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if (ast.isStatic) text.push('static ');
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text.push(ast.name);
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if (ast.optional) text.push('?');
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function DtsSerializer(remap) {
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this.remap = remap;
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}
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DtsSerializer.prototype = {
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constructor: DtsSerializer,
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declaration: function(buffer, ast) {
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buffer.push(ast.name);
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if (ast.optional) buffer.push('?');
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if (ast.typeParameters) {
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text.push('<');
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text.push(ast.typeParameters.join(', '));
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text.push('>');
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buffer.push('<');
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buffer.push(ast.typeParameters.join(', '));
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buffer.push('>');
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}
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if (ast.parameters) {
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text.push('(');
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text.push(ast.parameters.join(', '));
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text.push(')');
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buffer.push('(');
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buffer.push(ast.parameters.join(', '));
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buffer.push(')');
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}
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if (ast.returnType) {
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text.push(': ', ast.returnType);
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buffer.push(': ', ast.returnType);
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} else if (ast.parameters) {
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text.push(': void');
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buffer.push(': void');
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} else {
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text.push(': any');
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buffer.push(': any');
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}
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var string = text.join('');
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for (var key in remap) {
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if (remap.hasOwnProperty(key)) {
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string = string.replace(new RegExp('\\b' + key + '\\b', 'gm'), remap[key]);
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buffer.push(';\n');
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},
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comment: function(buffer, commentText) {
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if (!(commentText && commentText.match(/\S/))) return;
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buffer.push('/**\n');
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commentText.replace(/\n*$/, '').split('\n').forEach(function(line) {
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buffer.push(' * ' + line + '\n');
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});
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buffer.push(' */\n');
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},
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member: function(buffer, ast) {
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buffer.push('\n');
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this.comment(buffer, ast.content);
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if (ast.isStatic) buffer.push('static ');
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this.declaration(buffer, ast);
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},
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interfaceOrClass: function(buffer, ast, isInterface) {
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buffer.push(isInterface ? 'interface ' : 'class ');
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buffer.push(ast.name);
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buffer.push(ast.typeParams);
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buffer.push(ast.heritage);
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buffer.push(' {');
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buffer.indent();
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if (ast.newMember) this.member(buffer, ast.newMember);
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if (ast.callMember) this.member(buffer, ast.callMember);
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ast.statics.forEach(function(staticMember) {
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this.member(buffer, staticMember);
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}.bind(this));
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ast.members.forEach(function(member) {
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this.member(buffer, member);
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}.bind(this));
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buffer.unindent();
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buffer.push('}');
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},
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enum: function(buffer, ast) {
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buffer.push('enum ');
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buffer.push(ast.name);
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buffer.push(ast.typeParams);
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buffer.push(ast.heritage);
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buffer.push(' {');
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buffer.indent();
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ast.members.forEach(function(member, index) {
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buffer.push('\n');
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this.comment(buffer, member.content);
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buffer.push(member.name);
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if (index !== (ast.members.length - 1)) {
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buffer.push(',\n');
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}
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}.bind(this));
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buffer.unindent();
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buffer.push('}\n');
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},
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function: function(buffer, ast) {
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buffer.push('function ');
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this.declaration(buffer, ast);
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},
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var: function(buffer, ast) {
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buffer.push('var ');
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this.declaration(buffer, ast);
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},
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const: function(buffer, ast) {
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buffer.push('const ');
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this.declaration(buffer, ast);
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},
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serializeExport: function(ast) {
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var buffer = new Buffer();
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buffer.push('\n');
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try {
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this.comment(buffer, ast.content);
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switch (ast.docType) {
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case 'class': this.interfaceOrClass(buffer, ast, false); break;
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case 'interface': this.interfaceOrClass(buffer, ast, true); break;
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case 'function': this.function(buffer, ast); break;
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case 'enum': this.enum(buffer, ast); break;
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case 'var': this.var(buffer, ast); break;
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case 'const': this.const(buffer, ast); break;
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default: throw new Error("unknown docType: " + ast.docType);
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}
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var string = buffer.toString();
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for (var key in this.remap) {
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if (this.remap.hasOwnProperty(key)) {
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string = string.replace(new RegExp('\\b' + key + '\\b', 'gm'), this.remap[key]);
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}
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}
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return string;
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} catch (e) {
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console.log(e.toString(), e.stack);
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return 'ERROR: ' + e.toString();
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}
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}
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};
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function Buffer() {
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this._globalBuffer = [];
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this._indentedBuffer = [];
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this._indentationLevel = 1;
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}
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Buffer.prototype = {
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constructor: Buffer,
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push: function() {
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this._indentedBuffer.push.apply(this._indentedBuffer, arguments);
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},
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indent: function() {
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this._globalBuffer.push({indentationLevel: this._indentationLevel, content: this._indentedBuffer.join('')});
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this._indentationLevel++;
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this._indentedBuffer = [];
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},
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unindent: function() {
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this._globalBuffer.push({indentationLevel: this._indentationLevel, content: this._indentedBuffer.join('')});
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this._indentationLevel--;
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this._indentedBuffer = [];
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},
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toString: function() {
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if (this._indentationLevel !== 1) {
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throw new Exception("Forgot to unindent? Indentation level: " + this._indentationLevel);
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}
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this.unindent();
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var string = '';
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this._globalBuffer.forEach(function(indentedChunk) {
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var indentation = (new Array(indentedChunk.indentationLevel * 2 + 1)).join(' ');
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indentedChunk.content.split('\n').forEach(function(line) {
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string += indentation + line + '\n';
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});
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});
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return string;
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}
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};
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module.exports = {
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DtsSerializer: DtsSerializer
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};
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@ -42,7 +42,7 @@ module.exports = function createTypeDefinitionFile(log) {
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references: def.references
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};
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}),
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signature: codeGen.signature(def.remapTypes)
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dts: new codeGen.DtsSerializer(def.remapTypes)
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};
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});
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@ -82,7 +82,7 @@ module.exports = function createTypeDefinitionFile(log) {
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docType: 'var',
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name: exportDoc.name,
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id: exportDoc.id,
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heritage: ': InjectableReference'
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returnType: 'InjectableReference'
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});
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}
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});
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@ -8,12 +8,6 @@
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{%- endmacro -%}
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{%- macro memberInfo(signature, member) -%}
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{$ commentBlock(member, 5) $}
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{$ signature(member) $};
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{%- endmacro -%}
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// Type definitions for Angular v{$ versionInfo.currentVersion.full | replace(r/\+/, "_") $}
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// Project: http://angular.io/
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// Definitions by: angular team <https://github.com/angular/>
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@ -38,38 +32,7 @@
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declare module {$ module.namespace $} {
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{%- for export in module.doc.exports -%}
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{%- if export.content -%}
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{$ commentBlock(export, 3) $}
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{%- endif %}
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{$ export.docType $} {$ export.name $}{$ export.typeParams $}{%- if export.heritage == ' extends Directive' %} extends DirectiveAnnotation{% else %}{$ export.heritage $}{% endif %}
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{%- if export.docType == 'class' or export.docType == 'interface' %} {
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{%- if export.newMember %}
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{$ memberInfo(doc.signature, export.newMember) $}
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{% endif %}
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{%- if export.callMember %}
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{$ memberInfo(doc.signature, export.callMember) $}
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{% endif -%}
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{%- for static in export.statics %}
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{$ memberInfo(doc.signature, static) $}
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{%- endfor -%}
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{%- for member in export.members %}
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{$ memberInfo(doc.signature, member) $}
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{%- endfor %}
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}
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{%- elif export.docType == 'enum' %} {
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{%- for member in export.members %}
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{$ commentBlock(member, 5) $}
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{$ member.name $}{% if not loop.last %},
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{%- endif -%}
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{%- endfor %}
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}
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{%- else -%}
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{% if export.parameters %}({% for param in export.parameters %}{$ param $}{% if not loop.last %}, {% endif %}{% endfor %}){%- endif %}
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{%- if export.returnType %} : {$ export.returnType $} {% endif -%}
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;
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{%- endif %}
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{$ doc.dts.serializeExport(export) $}
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{% endfor %}
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}
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