From 618df2aab91c83ee4b8c4c9d3ba6e0824d547b93 Mon Sep 17 00:00:00 2001 From: gnu4cn Date: Wed, 27 Mar 2019 16:51:18 +0800 Subject: [PATCH] Test links in markdown. --- 19_decorators.md | 66 +++- gulpfile.js | 2 +- package-lock.json | 877 +++------------------------------------------- package.json | 6 +- src/main.ts | 32 ++ src/symbol.ts | 2 + tsconfig.json | 5 +- 7 files changed, 155 insertions(+), 835 deletions(-) create mode 100644 src/symbol.ts diff --git a/19_decorators.md b/19_decorators.md index c61fe32..fe3c54a 100644 --- a/19_decorators.md +++ b/19_decorators.md @@ -29,7 +29,7 @@ tsc --target ES5 --experimentalDecorators ## 关于装饰器（Decorators） -*装饰器* 是一类特殊的声明，可被附加到[类的声明](#class-decorators)、[方法](#method-decorators)、[访问器](#accessor-decorators)、[属性](#property-decorators)或者[参数](#parameter-decorators)。装饰器使用的形式是`@expression`，其中的`expression`必须评估为一个将在运行时，以有关被装饰声明的信息被调用的函数（Decorators use the form `@expression`, where `expression` must evaluate to a function that will be called at runtime with information about the decorated declaration）。 +*装饰器* 是一类特殊的声明，可被附加到[类的声明](#class-decorators)、[方法](#method-decorators)、[访问器](#accessor-decorators)、[属性](#property-decorators)或者[参数](#parameter-decorators)。装饰器采用`@expression`形式，其中的`expression`求值后必须是一个函数，在运行时该函数将以被装饰的声明有关的信息，被调用到（Decorators use the form `@expression`, where `expression` must evaluate to a function that will be called at runtime with information about the decorated declaration）。 比如，对于给定的装饰器`@sealed`，那么就可能向下面这样写该`sealed`函数： @@ -42,7 +42,6 @@ function sealed(target) { > 注意：在下面的[类装饰器](#class-decorators)中，可以看到更详细的示例 ### 装饰器工厂（Decorator Factories） - 可通过编写一个装饰器工厂，来对装饰器作用于声明的方式进行定制。 *装饰器工厂* 就是一个返回由装饰器在运行时调用的表达式的函数（If you want to customize how a decorator is applied to a declaration, we can write a decorator factory. A *Decorator Factory* is simply a function that returns the expression that will be called by the decorator at runtime）。 @@ -282,3 +281,66 @@ Class Point { get y() { return this._y; } } ``` + +使用以下的函数声明，可定义出该`@configurable`装饰器： + +```typescript +function configurable (value: boolean) { + return function (target: any, propertyKey: string, descriptor: PropertyDescriptor) { + descriptor.configurable = value; + } +} +``` + + +### 属性装饰器（Property Decorators） + +*属性装饰器* 是紧接着某个属性声明之前进行声明的。在声明文件中，以及任何其他外围上下文（比如在某个`declare`类中），都不能使用属性装饰器。 + +属性装饰器的表达式，将在运行时作为函数进行调用，有着以下两个参数： + +1. 某个静态成员的类构造函数，或某个实例成员的类的原型； + +2. 该成员的名称。 + +> **注意** 由于在TypeScript中属性装饰器初始化方式的原因，将不会把 *属性描述符* 提供给属性装饰器。这是因为在定义某个原型的成员时，目前还没有对实例属性进行描述的机制，同时也没有对某个属性的初始化器进行观察与修改的途径。由于上述原因，属性装饰器的返回值也被加以忽略了。那么属性装饰器就只能用于已声明为某个类的、某个指定名称的属性进行观察了。 + +有了这些信息，就可以记录有关该属性的元数据了，如下面的示例： + +```typescript +class Greeter { + @format("Hello, %s") + greeting: string; + + constructor (message: string) { + this.greeting = message; + } + + greet () { + let formatString = getFormat(this, "greeting"); + return formatString.replace(""%s", this.greeting); + } +} +``` + +此时就可以使用下的函数声明，来定义该`@format`装饰器与`getFormat`函数： + +```typescript +import "reflect-metadata"; + +// const formatMetadataKey = Symbol("format"); +// const formatMetadataKey: Symbol; +// +// 上面两种写法都不行，估计是新版本的typescript已经不支持 Symbol 类型变量的初始化了 +let formatMetadataKey: Symbol; + +function format (formatMetadataKey: string) { + return Reflect.metadata(formatMetadataKey, formatString); +} + +function getFormat (target: any, propertyKey: string) { + return Reflect.getMetadata(formatMetadataKey, target, propertyKey); +} +``` + +这里的装饰器 `@format("Hello, %s")`是一个 [装饰器工厂](#装饰器工厂（Decorator Factories）) diff --git a/gulpfile.js b/gulpfile.js index 1f5919b..a908b58 100644 --- a/gulpfile.js +++ b/gulpfile.js @@ -20,7 +20,7 @@ gulp.task('tsc', () => { // 这里 watch 里必须使用 gulp.series gulp.task('watch', () => { - gulp.watch('src/*ts', gulp.series('tsc')); + gulp.watch('src/*.ts', gulp.series('tsc')); }); diff --git a/package-lock.json b/package-lock.json index f4b603d..eda6882 100644 --- a/package-lock.json +++ b/package-lock.json @@ -35,6 +35,15 @@ "through2": "^2.0.3" } }, + "@types/reflect-metadata": { + "version": "0.1.0", + "resolved": "http://registry.npm.taobao.org/@types/reflect-metadata/download/@types/reflect-metadata-0.1.0.tgz", + "integrity": "sha1-WSgFvfbWPdcil3Mhiv66N6wuqxY=", + "dev": true, + "requires": { + "reflect-metadata": "*" + } + }, "accepts": { "version": "1.3.5", "resolved": "http://registry.npm.taobao.org/accepts/download/accepts-1.3.5.tgz", @@ -75,12 +84,6 @@ "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=", "dev": true }, - "ansi-styles": { - "version": "2.2.1", - "resolved": "http://registry.npm.taobao.org/ansi-styles/download/ansi-styles-2.2.1.tgz", - "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=", - "dev": true - }, "ansi-wrap": { "version": "0.1.0", "resolved": "http://registry.npm.taobao.org/ansi-wrap/download/ansi-wrap-0.1.0.tgz", @@ -163,12 +166,6 @@ "integrity": "sha1-45sJrqne+Gao8gbiiK9jkZuuOcQ=", "dev": true }, - "array-differ": { - "version": "1.0.0", - "resolved": "http://registry.npm.taobao.org/array-differ/download/array-differ-1.0.0.tgz", - "integrity": "sha1-7/UuN1gknTO+QCuLuOVkuytdQDE=", - "dev": true - }, "array-each": { "version": "1.0.1", "resolved": "http://registry.npm.taobao.org/array-each/download/array-each-1.0.1.tgz", @@ -235,12 +232,6 @@ } } }, - "array-uniq": { - "version": "1.0.3", - "resolved": "http://registry.npm.taobao.org/array-uniq/download/array-uniq-1.0.3.tgz", - "integrity": "sha1-r2rId6Jcx/dOBYiUdThY39sk/bY=", - "dev": true - }, "array-unique": { "version": "0.3.2", "resolved": "http://registry.npm.taobao.org/array-unique/download/array-unique-0.3.2.tgz", @@ -385,12 +376,6 @@ "integrity": "sha1-mrVie5PmBiH/fNrF2pczAn3x0Ms=", "dev": true }, - "beeper": { - "version": "1.1.1", - "resolved": "http://registry.npm.taobao.org/beeper/download/beeper-1.1.1.tgz", - "integrity": "sha1-5tXqjF2tABMEpwsiY4RH9pyy+Ak=", - "dev": true - }, "binary-extensions": { "version": "1.13.0", "resolved": "http://registry.npm.taobao.org/binary-extensions/download/binary-extensions-1.13.0.tgz", @@ -471,19 +456,6 @@ "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=", "dev": true }, - "chalk": { - "version": "1.1.3", - "resolved": "http://registry.npm.taobao.org/chalk/download/chalk-1.1.3.tgz", - "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=", - "dev": true, - "requires": { - "ansi-styles": "^2.2.1", - "escape-string-regexp": "^1.0.2", - "has-ansi": "^2.0.0", - "strip-ansi": "^3.0.0", - "supports-color": "^2.0.0" - } - }, "chokidar": { "version": "2.1.5", "resolved": "http://registry.npm.taobao.org/chokidar/download/chokidar-2.1.5.tgz", @@ -734,12 +706,6 @@ "es5-ext": "^0.10.9" } }, - "dateformat": { - "version": "2.2.0", - "resolved": "http://registry.npm.taobao.org/dateformat/download/dateformat-2.2.0.tgz", - "integrity": "sha1-QGXiATz5+5Ft39gu+1Bq1MZ2kGI=", - "dev": true - }, "debug": { "version": "2.6.9", "resolved": "http://registry.npm.taobao.org/debug/download/debug-2.6.9.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fdebug%2Fdownload%2Fdebug-2.6.9.tgz", @@ -892,41 +858,6 @@ "integrity": "sha1-rOb/gIwc5mtX0ev5eXessCM0z8E=", "dev": true }, - "duplexer2": { - "version": "0.0.2", - "resolved": "http://registry.npm.taobao.org/duplexer2/download/duplexer2-0.0.2.tgz", - "integrity": "sha1-xhTc9n4vsUmVqRcR5aYX6KYKMds=", - "dev": true, - "requires": { - "readable-stream": "~1.1.9" - }, - "dependencies": { - "isarray": { - "version": "0.0.1", - "resolved": "http://registry.npm.taobao.org/isarray/download/isarray-0.0.1.tgz", - "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=", - "dev": true - }, - "readable-stream": { - "version": "1.1.14", - "resolved": "http://registry.npm.taobao.org/readable-stream/download/readable-stream-1.1.14.tgz", - "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=", - "dev": true, - "requires": { - "core-util-is": "~1.0.0", - "inherits": "~2.0.1", - "isarray": "0.0.1", - "string_decoder": "~0.10.x" - } - }, - "string_decoder": { - "version": "0.10.31", - "resolved": "http://registry.npm.taobao.org/string_decoder/download/string_decoder-0.10.31.tgz", - "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=", - "dev": true - } - } - }, "duplexify": { "version": "3.7.1", "resolved": "http://registry.npm.taobao.org/duplexify/download/duplexify-3.7.1.tgz", @@ -1029,12 +960,6 @@ "integrity": "sha1-Aljq5NPQwJdN4cFpGI7wBR0dGYg=", "dev": true }, - "escape-string-regexp": { - "version": "1.0.5", - "resolved": "http://registry.npm.taobao.org/escape-string-regexp/download/escape-string-regexp-1.0.5.tgz", - "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=", - "dev": true - }, "etag": { "version": "1.8.1", "resolved": "http://registry.npm.taobao.org/etag/download/etag-1.8.1.tgz", @@ -1101,57 +1026,6 @@ } } }, - "expand-range": { - "version": "1.8.2", - "resolved": "http://registry.npm.taobao.org/expand-range/download/expand-range-1.8.2.tgz", - "integrity": "sha1-opnv/TNf4nIeuujiV+x5ZE/IUzc=", - "dev": true, - "requires": { - "fill-range": "^2.1.0" - }, - "dependencies": { - "fill-range": { - "version": "2.2.4", - "resolved": "http://registry.npm.taobao.org/fill-range/download/fill-range-2.2.4.tgz", - "integrity": "sha1-6x53OrsFbc2N8r/favWbizqTZWU=", - "dev": true, - "requires": { - "is-number": "^2.1.0", - "isobject": "^2.0.0", - "randomatic": "^3.0.0", - "repeat-element": "^1.1.2", - "repeat-string": "^1.5.2" - } - }, - "is-number": { - "version": "2.1.0", - "resolved": "http://registry.npm.taobao.org/is-number/download/is-number-2.1.0.tgz", - "integrity": "sha1-Afy7s5NGOlSPL0ZszhbezknbkI8=", - "dev": true, - "requires": { - "kind-of": "^3.0.2" - } - }, - "isobject": { - "version": "2.1.0", - "resolved": "http://registry.npm.taobao.org/isobject/download/isobject-2.1.0.tgz", - "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=", - "dev": true, - "requires": { - "isarray": "1.0.0" - } - }, - "kind-of": { - "version": "3.2.2", - "resolved": "http://registry.npm.taobao.org/kind-of/download/kind-of-3.2.2.tgz", - "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=", - "dev": true, - "requires": { - "is-buffer": "^1.1.5" - } - } - } - }, "expand-tilde": { "version": "2.0.2", "resolved": "http://registry.npm.taobao.org/expand-tilde/download/expand-tilde-2.0.2.tgz", @@ -1274,12 +1148,6 @@ "websocket-driver": ">=0.5.1" } }, - "filename-regex": { - "version": "2.0.1", - "resolved": "http://registry.npm.taobao.org/filename-regex/download/filename-regex-2.0.1.tgz", - "integrity": "sha1-wcS5vuPglyXdsQa3XB4wH+LxiyY=", - "dev": true - }, "fill-range": { "version": "4.0.0", "resolved": "http://registry.npm.taobao.org/fill-range/download/fill-range-4.0.0.tgz", @@ -1353,12 +1221,6 @@ "parse-filepath": "^1.0.1" } }, - "first-chunk-stream": { - "version": "1.0.0", - "resolved": "http://registry.npm.taobao.org/first-chunk-stream/download/first-chunk-stream-1.0.0.tgz", - "integrity": "sha1-Wb+1DNkF9g18OUzT2ayqtOatk04=", - "dev": true - }, "flagged-respawn": { "version": "1.0.1", "resolved": "http://registry.npm.taobao.org/flagged-respawn/download/flagged-respawn-1.0.1.tgz", @@ -2007,42 +1869,6 @@ "path-is-absolute": "^1.0.0" } }, - "glob-base": { - "version": "0.3.0", - "resolved": "http://registry.npm.taobao.org/glob-base/download/glob-base-0.3.0.tgz", - "integrity": "sha1-27Fk9iIbHAscz4Kuoyi0l98Oo8Q=", - "dev": true, - "requires": { - "glob-parent": "^2.0.0", - "is-glob": "^2.0.0" - }, - "dependencies": { - "glob-parent": { - "version": "2.0.0", - "resolved": "http://registry.npm.taobao.org/glob-parent/download/glob-parent-2.0.0.tgz", - "integrity": "sha1-gTg9ctsFT8zPUzbaqQLxgvbtuyg=", - "dev": true, - "requires": { - "is-glob": "^2.0.0" - } - }, - "is-extglob": { - "version": "1.0.0", - "resolved": "http://registry.npm.taobao.org/is-extglob/download/is-extglob-1.0.0.tgz", - "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=", - "dev": true - }, - "is-glob": { - "version": "2.0.1", - "resolved": "http://registry.npm.taobao.org/is-glob/download/is-glob-2.0.1.tgz", - "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=", - "dev": true, - "requires": { - "is-extglob": "^1.0.0" - } - } - } - }, "glob-parent": { "version": "3.1.0", "resolved": "http://registry.npm.taobao.org/glob-parent/download/glob-parent-3.1.0.tgz", @@ -2203,280 +2029,38 @@ } }, "gulp-typescript": { - "version": "3.2.4", - "resolved": "http://registry.npm.taobao.org/gulp-typescript/download/gulp-typescript-3.2.4.tgz", - "integrity": "sha1-F8a5QQeLAsBSKXTtbJY6sZCSCkc=", + "version": "5.0.1", + "resolved": "http://registry.npm.taobao.org/gulp-typescript/download/gulp-typescript-5.0.1.tgz", + "integrity": "sha1-lsZWWm6zHgjCquHIV7GgeeYibZQ=", "dev": true, "requires": { - "gulp-util": "~3.0.7", - "source-map": "~0.5.3", - "through2": "~2.0.1", - "vinyl-fs": "~2.4.3" + "ansi-colors": "^3.0.5", + "plugin-error": "^1.0.1", + "source-map": "^0.7.3", + "through2": "^3.0.0", + "vinyl": "^2.1.0", + "vinyl-fs": "^3.0.3" }, "dependencies": { - "arr-diff": { - "version": "2.0.0", - "resolved": "http://registry.npm.taobao.org/arr-diff/download/arr-diff-2.0.0.tgz", - "integrity": "sha1-jzuCf5Vai9ZpaX5KQlasPOrjVs8=", - "dev": true, - "requires": { - "arr-flatten": "^1.0.1" - } - }, - "array-unique": { - "version": "0.2.1", - "resolved": "http://registry.npm.taobao.org/array-unique/download/array-unique-0.2.1.tgz", - "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=", + "ansi-colors": { + "version": "3.2.4", + "resolved": "http://registry.npm.taobao.org/ansi-colors/download/ansi-colors-3.2.4.tgz", + "integrity": "sha1-46PaS/uubIapwoViXeEkojQCb78=", "dev": true }, - "braces": { - "version": "1.8.5", - "resolved": "http://registry.npm.taobao.org/braces/download/braces-1.8.5.tgz", - "integrity": "sha1-uneWLhLf+WnWt2cR6RS3N4V79qc=", - "dev": true, - "requires": { - "expand-range": "^1.8.1", - "preserve": "^0.2.0", - "repeat-element": "^1.1.2" - } - }, - "clone": { - "version": "1.0.4", - "resolved": "http://registry.npm.taobao.org/clone/download/clone-1.0.4.tgz", - "integrity": "sha1-2jCcwmPfFZlMaIypAheco8fNfH4=", + "source-map": { + "version": "0.7.3", + "resolved": "http://registry.npm.taobao.org/source-map/download/source-map-0.7.3.tgz", + "integrity": "sha1-UwL4FpAxc1ImVECS5kmB91F1A4M=", "dev": true }, - "clone-stats": { - "version": "0.0.1", - "resolved": "http://registry.npm.taobao.org/clone-stats/download/clone-stats-0.0.1.tgz", - "integrity": "sha1-uI+UqCzzi4eR1YBG6kAprYjKmdE=", - "dev": true - }, - "expand-brackets": { - "version": "0.1.5", - "resolved": "http://registry.npm.taobao.org/expand-brackets/download/expand-brackets-0.1.5.tgz", - "integrity": "sha1-3wcoTjQqgHzXM6xa9yQR5YHRF3s=", + "through2": { + "version": "3.0.1", + "resolved": "http://registry.npm.taobao.org/through2/download/through2-3.0.1.tgz", + "integrity": "sha1-OSducTwzAu3544jdnIEt07glvVo=", "dev": true, "requires": { - 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"integrity": "sha1-pVZlqajM3EGRWofHAeMtTgFvrSI=", - "dev": true, - "requires": { - "extend": "^3.0.0", - "glob": "^5.0.3", - "glob-parent": "^3.0.0", - "micromatch": "^2.3.7", - "ordered-read-streams": "^0.3.0", - "through2": "^0.6.0", - "to-absolute-glob": "^0.1.1", - "unique-stream": "^2.0.2" - }, - "dependencies": { - "readable-stream": { - "version": "1.0.34", - "resolved": "http://registry.npm.taobao.org/readable-stream/download/readable-stream-1.0.34.tgz", - "integrity": "sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=", - "dev": true, - "requires": { - "core-util-is": "~1.0.0", - "inherits": "~2.0.1", - "isarray": "0.0.1", - "string_decoder": "~0.10.x" - } - }, - "through2": { - "version": "0.6.5", - "resolved": "http://registry.npm.taobao.org/through2/download/through2-0.6.5.tgz", - "integrity": "sha1-QaucZ7KdVyCQcUEOHXp6lozTrUg=", - "dev": true, - "requires": { - "readable-stream": ">=1.0.33-1 <1.1.0-0", - "xtend": ">=4.0.0 <4.1.0-0" - } - } - } - }, - "gulp-sourcemaps": { - "version": "1.6.0", - 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"replace-ext": "0.0.1" - } - } - } - }, "gulplog": { "version": "1.0.0", "resolved": "http://registry.npm.taobao.org/gulplog/download/gulplog-1.0.0.tgz", @@ -2571,15 +2092,6 @@ "glogg": "^1.0.0" } }, - "has-ansi": { - "version": "2.0.0", - "resolved": "http://registry.npm.taobao.org/has-ansi/download/has-ansi-2.0.0.tgz", - "integrity": "sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=", - "dev": true, - "requires": { - "ansi-regex": "^2.0.0" - } - }, "has-gulplog": { "version": "0.1.0", "resolved": "http://registry.npm.taobao.org/has-gulplog/download/has-gulplog-0.1.0.tgz", @@ -2804,21 +2316,6 @@ } } }, - "is-dotfile": { - "version": "1.0.3", - "resolved": "http://registry.npm.taobao.org/is-dotfile/download/is-dotfile-1.0.3.tgz", - "integrity": "sha1-pqLzL/0t+wT1yiXs0Pa4PPeYoeE=", - "dev": true - }, - "is-equal-shallow": { - "version": "0.1.3", - "resolved": "http://registry.npm.taobao.org/is-equal-shallow/download/is-equal-shallow-0.1.3.tgz", - "integrity": "sha1-IjgJj8Ih3gvPpdnqxMRdY4qhxTQ=", - "dev": true, - "requires": { - "is-primitive": "^2.0.0" - } - }, "is-extendable": { "version": "0.1.1", "resolved": "http://registry.npm.taobao.org/is-extendable/download/is-extendable-0.1.1.tgz", @@ -2884,18 +2381,6 @@ "isobject": "^3.0.1" } }, - "is-posix-bracket": { - "version": "0.1.1", - "resolved": "http://registry.npm.taobao.org/is-posix-bracket/download/is-posix-bracket-0.1.1.tgz", - "integrity": "sha1-MzTceXdDaOkvAW5vvAqI9c1ua8Q=", - "dev": true - }, - "is-primitive": { - "version": "2.0.0", - "resolved": "http://registry.npm.taobao.org/is-primitive/download/is-primitive-2.0.0.tgz", - "integrity": "sha1-IHurkWOEmcB7Kt8kCkGochADRXU=", - "dev": true - }, "is-promise": { "version": "2.1.0", "resolved": "http://registry.npm.taobao.org/is-promise/download/is-promise-2.1.0.tgz", @@ -2911,12 +2396,6 @@ "is-unc-path": "^1.0.0" } }, - "is-stream": { - "version": "1.1.0", - "resolved": "http://registry.npm.taobao.org/is-stream/download/is-stream-1.1.0.tgz", - "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=", - "dev": true - }, "is-unc-path": { "version": "1.0.0", "resolved": "http://registry.npm.taobao.org/is-unc-path/download/is-unc-path-1.0.0.tgz", @@ -3081,131 +2560,6 @@ "strip-bom": "^2.0.0" } }, - "lodash._basecopy": { - "version": "3.0.1", - "resolved": "http://registry.npm.taobao.org/lodash._basecopy/download/lodash._basecopy-3.0.1.tgz", - "integrity": "sha1-jaDmqHbPNEwK2KVIghEd08XHyjY=", - "dev": true - }, - "lodash._basetostring": { - "version": "3.0.1", - "resolved": "http://registry.npm.taobao.org/lodash._basetostring/download/lodash._basetostring-3.0.1.tgz", - "integrity": "sha1-0YYdh3+CSlL2aYMtyvPuFVZqB9U=", - "dev": true - }, - "lodash._basevalues": { - "version": "3.0.0", - "resolved": "http://registry.npm.taobao.org/lodash._basevalues/download/lodash._basevalues-3.0.0.tgz", - "integrity": "sha1-W3dXYoAr3j0yl1A+JjAIIP32Ybc=", - "dev": true - }, - "lodash._getnative": { - "version": "3.9.1", - "resolved": "http://registry.npm.taobao.org/lodash._getnative/download/lodash._getnative-3.9.1.tgz", - "integrity": "sha1-VwvH3t5G1hzc3mh9ZdPuy6o6r/U=", - "dev": true - }, - "lodash._isiterateecall": { - "version": "3.0.9", - "resolved": "http://registry.npm.taobao.org/lodash._isiterateecall/download/lodash._isiterateecall-3.0.9.tgz", - "integrity": "sha1-UgOte6Ql+uhCRg5pbbnPPmqsBXw=", - "dev": true - }, - "lodash._reescape": { - "version": "3.0.0", - "resolved": "http://registry.npm.taobao.org/lodash._reescape/download/lodash._reescape-3.0.0.tgz", - "integrity": "sha1-Kx1vXf4HyKNVdT5fJ/rH8c3hYWo=", - "dev": true - }, - "lodash._reevaluate": { - "version": "3.0.0", - "resolved": "http://registry.npm.taobao.org/lodash._reevaluate/download/lodash._reevaluate-3.0.0.tgz", - "integrity": "sha1-WLx0xAZklTrgsSTYBpltrKQx4u0=", - "dev": true - }, - "lodash._reinterpolate": { - "version": "3.0.0", - "resolved": "http://registry.npm.taobao.org/lodash._reinterpolate/download/lodash._reinterpolate-3.0.0.tgz", - "integrity": "sha1-DM8tiRZq8Ds2Y8eWU4t1rG4RTZ0=", - "dev": true - }, - "lodash._root": { - "version": "3.0.1", - "resolved": "http://registry.npm.taobao.org/lodash._root/download/lodash._root-3.0.1.tgz", - "integrity": "sha1-+6HEUkwZ7ppfgTa0YJ8BfPTe1pI=", - "dev": true - }, - "lodash.escape": { - "version": "3.2.0", - "resolved": "http://registry.npm.taobao.org/lodash.escape/download/lodash.escape-3.2.0.tgz", - "integrity": "sha1-mV7g3BjBtIzJLv+ucaEKq1tIdpg=", - "dev": true, - "requires": { - "lodash._root": "^3.0.0" - } - }, - "lodash.isarguments": { - "version": "3.1.0", - "resolved": "http://registry.npm.taobao.org/lodash.isarguments/download/lodash.isarguments-3.1.0.tgz", - "integrity": "sha1-L1c9hcaiQon/AGY7SRwdM4/zRYo=", - "dev": true - }, - "lodash.isarray": { - "version": "3.0.4", - "resolved": "http://registry.npm.taobao.org/lodash.isarray/download/lodash.isarray-3.0.4.tgz", - "integrity": "sha1-eeTriMNqgSKvhvhEqpvNhRtfu1U=", - "dev": true - }, - "lodash.isequal": { - "version": "4.5.0", - "resolved": "http://registry.npm.taobao.org/lodash.isequal/download/lodash.isequal-4.5.0.tgz", - "integrity": "sha1-QVxEePK8wwEgwizhDtMib30+GOA=", - "dev": true - }, - "lodash.keys": { - "version": "3.1.2", - "resolved": "http://registry.npm.taobao.org/lodash.keys/download/lodash.keys-3.1.2.tgz", - "integrity": "sha1-TbwEcrFWvlCgsoaFXRvQsMZWCYo=", - "dev": true, - "requires": { - "lodash._getnative": "^3.0.0", - "lodash.isarguments": "^3.0.0", - "lodash.isarray": "^3.0.0" - } - }, - "lodash.restparam": { - "version": "3.6.1", - "resolved": "http://registry.npm.taobao.org/lodash.restparam/download/lodash.restparam-3.6.1.tgz", - "integrity": "sha1-k2pOMJ7zMKdkXtQUWYbIWuWyCAU=", - "dev": true - }, - "lodash.template": { - "version": "3.6.2", - "resolved": "http://registry.npm.taobao.org/lodash.template/download/lodash.template-3.6.2.tgz", - "integrity": "sha1-+M3sxhaaJVvpCYrosMU9N4kx0U8=", - "dev": true, - "requires": { - "lodash._basecopy": "^3.0.0", - "lodash._basetostring": "^3.0.0", - "lodash._basevalues": "^3.0.0", - "lodash._isiterateecall": "^3.0.0", - "lodash._reinterpolate": "^3.0.0", - "lodash.escape": "^3.0.0", - "lodash.keys": "^3.0.0", - "lodash.restparam": "^3.0.0", - "lodash.templatesettings": "^3.0.0" - } - }, - "lodash.templatesettings": { - "version": "3.1.1", - "resolved": "http://registry.npm.taobao.org/lodash.templatesettings/download/lodash.templatesettings-3.1.1.tgz", - "integrity": "sha1-+zB4RHU7Zrnxr6VOJix0UwfbqOU=", - "dev": true, - "requires": { - "lodash._reinterpolate": "^3.0.0", - "lodash.escape": "^3.0.0" - } - }, "lru-queue": { "version": "0.1.0", "resolved": "http://registry.npm.taobao.org/lru-queue/download/lru-queue-0.1.0.tgz", @@ -3295,12 +2649,6 @@ } } }, - "math-random": { - "version": "1.0.4", - "resolved": "http://registry.npm.taobao.org/math-random/download/math-random-1.0.4.tgz", - "integrity": "sha1-XdaUPJOFSCZwFtTjTwV1gwgMUUw=", - "dev": true - }, "memoizee": { "version": "0.4.14", "resolved": "http://registry.npm.taobao.org/memoizee/download/memoizee-0.4.14.tgz", @@ -3317,15 +2665,6 @@ "timers-ext": "^0.1.5" } }, - "merge-stream": { - "version": "1.0.1", - "resolved": "http://registry.npm.taobao.org/merge-stream/download/merge-stream-1.0.1.tgz", - "integrity": "sha1-QEEgLVCKNCugAXQAjfDCUbjBNeE=", - "dev": true, - "requires": { - "readable-stream": "^2.0.1" - } - }, "micromatch": { "version": "3.1.10", "resolved": "http://registry.npm.taobao.org/micromatch/download/micromatch-3.1.10.tgz", @@ -3377,12 +2716,6 @@ "brace-expansion": "^1.1.7" } }, - "minimist": { - "version": "1.2.0", - "resolved": "http://registry.npm.taobao.org/minimist/download/minimist-1.2.0.tgz", - "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=", - "dev": true - }, "mixin-deep": { "version": "1.3.1", "resolved": "http://registry.npm.taobao.org/mixin-deep/download/mixin-deep-1.3.1.tgz", @@ -3404,23 +2737,6 @@ } } }, - "mkdirp": { - "version": "0.5.1", - "resolved": "http://registry.npm.taobao.org/mkdirp/download/mkdirp-0.5.1.tgz?cache=0&other_urls=http%3A%2F%2Fregistry.npm.taobao.org%2Fmkdirp%2Fdownload%2Fmkdirp-0.5.1.tgz", - "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=", - "dev": true, - "requires": { - "minimist": "0.0.8" - }, - "dependencies": { - "minimist": { - "version": "0.0.8", - "resolved": "http://registry.npm.taobao.org/minimist/download/minimist-0.0.8.tgz", - "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=", - "dev": true - } - } - }, "morgan": { "version": "1.9.1", "resolved": "http://registry.npm.taobao.org/morgan/download/morgan-1.9.1.tgz", @@ -3440,15 +2756,6 @@ "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=", "dev": true }, - "multipipe": { - "version": "0.1.2", - "resolved": "http://registry.npm.taobao.org/multipipe/download/multipipe-0.1.2.tgz", - "integrity": "sha1-Ko8t33Du1WTf8tV/HhoTfZ8FB4s=", - "dev": true, - "requires": { - "duplexer2": "0.0.2" - } - }, "mute-stdout": { "version": "1.0.1", "resolved": "http://registry.npm.taobao.org/mute-stdout/download/mute-stdout-1.0.1.tgz", @@ -3615,27 +2922,6 @@ "make-iterator": "^1.0.0" } }, - "object.omit": { - "version": "2.0.1", - "resolved": "http://registry.npm.taobao.org/object.omit/download/object.omit-2.0.1.tgz", - "integrity": "sha1-Gpx0SCnznbuFjHbKNXmuKlTr0fo=", - "dev": true, - "requires": { - "for-own": "^0.1.4", - "is-extendable": "^0.1.1" - }, - "dependencies": { - "for-own": { - "version": "0.1.5", - "resolved": "http://registry.npm.taobao.org/for-own/download/for-own-0.1.5.tgz", - "integrity": "sha1-UmXGgaTylNq78XyVCbZ2OqhFEM4=", - "dev": true, - "requires": { - "for-in": "^1.0.1" - } - } - } - }, "object.pick": { "version": "1.3.0", "resolved": "http://registry.npm.taobao.org/object.pick/download/object.pick-1.3.0.tgz", @@ -3717,35 +3003,6 @@ "path-root": "^0.1.1" } }, - "parse-glob": { - "version": "3.0.4", - "resolved": "http://registry.npm.taobao.org/parse-glob/download/parse-glob-3.0.4.tgz", - "integrity": "sha1-ssN2z7EfNVE7rdFz7wu246OIORw=", - "dev": true, - "requires": { - "glob-base": "^0.3.0", - "is-dotfile": "^1.0.0", - "is-extglob": "^1.0.0", - "is-glob": "^2.0.0" - }, - "dependencies": { - "is-extglob": { - "version": "1.0.0", - "resolved": "http://registry.npm.taobao.org/is-extglob/download/is-extglob-1.0.0.tgz", - "integrity": "sha1-rEaBd8SUNAWgkvyPKXYMb/xiBsA=", - "dev": true - }, - "is-glob": { - "version": "2.0.1", - "resolved": "http://registry.npm.taobao.org/is-glob/download/is-glob-2.0.1.tgz", - "integrity": "sha1-0Jb5JqPe1WAPP9/ZEZjLCIjC2GM=", - "dev": true, - "requires": { - "is-extglob": "^1.0.0" - } - } - } - }, "parse-json": { "version": "2.2.0", "resolved": "http://registry.npm.taobao.org/parse-json/download/parse-json-2.2.0.tgz", @@ -3862,18 +3119,24 @@ "pinkie": "^2.0.0" } }, + "plugin-error": { + "version": "1.0.1", + "resolved": "http://registry.npm.taobao.org/plugin-error/download/plugin-error-1.0.1.tgz", + "integrity": "sha1-dwFr2JGdCsN3/c3QMiMolTyleBw=", + "dev": true, + "requires": { + "ansi-colors": "^1.0.1", + "arr-diff": "^4.0.0", + "arr-union": "^3.1.0", + "extend-shallow": "^3.0.2" + } + }, "posix-character-classes": { "version": "0.1.1", "resolved": "http://registry.npm.taobao.org/posix-character-classes/download/posix-character-classes-0.1.1.tgz", "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs=", "dev": true }, - "preserve": { - "version": "0.2.0", - "resolved": "http://registry.npm.taobao.org/preserve/download/preserve-0.2.0.tgz", - "integrity": "sha1-gV7R9uvGWSb4ZbMQwHE7yzMVzks=", - "dev": true - }, "pretty-hrtime": { "version": "1.0.3", "resolved": "http://registry.npm.taobao.org/pretty-hrtime/download/pretty-hrtime-1.0.3.tgz", @@ -3913,25 +3176,6 @@ "pump": "^2.0.0" } }, - "randomatic": { - "version": "3.1.1", - "resolved": "http://registry.npm.taobao.org/randomatic/download/randomatic-3.1.1.tgz", - "integrity": "sha1-t3bvxZN1mE42xTey9RofCv8Noe0=", - "dev": true, - "requires": { - "is-number": "^4.0.0", - "kind-of": "^6.0.0", - "math-random": "^1.0.1" - }, - "dependencies": { - "is-number": { - "version": "4.0.0", - "resolved": "http://registry.npm.taobao.org/is-number/download/is-number-4.0.0.tgz", - "integrity": "sha1-ACbjf1RU1z41bf5lZGmYZ8an8P8=", - "dev": true - } - } - }, "range-parser": { "version": "1.2.0", "resolved": "http://registry.npm.taobao.org/range-parser/download/range-parser-1.2.0.tgz", @@ -4002,14 +3246,11 @@ "resolve": "^1.1.6" } }, - "regex-cache": { - "version": "0.4.4", - "resolved": "http://registry.npm.taobao.org/regex-cache/download/regex-cache-0.4.4.tgz", - "integrity": "sha1-db3FiioUls7EihKDW8VMjVYjNt0=", - "dev": true, - "requires": { - "is-equal-shallow": "^0.1.3" - } + "reflect-metadata": { + "version": "0.1.13", + "resolved": "http://registry.npm.taobao.org/reflect-metadata/download/reflect-metadata-0.1.13.tgz", + "integrity": "sha1-Z648pXyXKiqhZCsQ/jY/4y1J3Ag=", + "dev": true }, "regex-not": { "version": "1.0.2", @@ -4518,28 +3759,12 @@ "is-utf8": "^0.2.0" } }, - "strip-bom-stream": { - "version": "1.0.0", - "resolved": "http://registry.npm.taobao.org/strip-bom-stream/download/strip-bom-stream-1.0.0.tgz", - "integrity": "sha1-5xRDmFd9Uaa+0PoZlPoF9D/ZiO4=", - "dev": true, - "requires": { - "first-chunk-stream": "^1.0.0", - "strip-bom": "^2.0.0" - } - }, "strip-bom-string": { "version": "1.0.0", "resolved": "http://registry.npm.taobao.org/strip-bom-string/download/strip-bom-string-1.0.0.tgz", "integrity": "sha1-5SEekiQ2n7uB1jOi8ABE3IztrZI=", "dev": true }, - "supports-color": { - "version": "2.0.0", - "resolved": "http://registry.npm.taobao.org/supports-color/download/supports-color-2.0.0.tgz", - "integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=", - "dev": true - }, "sver-compat": { "version": "1.5.0", "resolved": "http://registry.npm.taobao.org/sver-compat/download/sver-compat-1.5.0.tgz", @@ -4854,12 +4079,6 @@ "homedir-polyfill": "^1.0.1" } }, - "vali-date": { - "version": "1.0.0", - "resolved": "http://registry.npm.taobao.org/vali-date/download/vali-date-1.0.0.tgz", - "integrity": "sha1-G5BKWWCfsyjvB4E4Qgk09rhnCaY=", - "dev": true - }, "validate-npm-package-license": { "version": "3.0.4", "resolved": "http://registry.npm.taobao.org/validate-npm-package-license/download/validate-npm-package-license-3.0.4.tgz", diff --git a/package.json b/package.json index 2c5e039..8575d16 100644 --- a/package.json +++ b/package.json @@ -23,11 +23,13 @@ }, "homepage": "https://github.com/gnu4cn/ts-learnings#readme", "devDependencies": { + "@types/reflect-metadata": "^0.1.0", "gulp": "^4.0.0", "gulp-sourcemaps": "^2.6.1", - "gulp-typescript": "^3.2.3", + "gulp-typescript": "^5.0.1", "gulp-uglify": "^3.0.0", "live-server": "^1.2.0", "typescript": "^2.6.2" - } + }, + "dependencies": {} } diff --git a/src/main.ts b/src/main.ts index d0da1fa..4159fba 100644 --- a/src/main.ts +++ b/src/main.ts @@ -1,3 +1,7 @@ +'use strict'; +import "reflect-metadata"; + +// 访问器装饰器，Accessor Decorator class Point { private _x: number; private _y: number; @@ -18,3 +22,31 @@ function configurable(value: boolean) { descriptor.configurable = value; }; } + +// 属性装饰器，property decorator +class Greeter { + @format("Hello, %s") + greeting: string; + + constructor (message: string) { + this.greeting = message; + } + + greet () { + let formatString = getFormat(this, "greeting"); + return formatString.replace("%s", this.greeting); + } +} + +let formatMetadataKey: Symbol; + +function format (formatString: string) { + return Reflect.metadata(formatMetadataKey, formatString); +} + +function getFormat (target: any, propertyKey: string) { + return Reflect.getMetadata(formatMetadataKey, target, propertyKey); +} + +let g = new Greeter("彭海林"); +console.log(g.greet()); diff --git a/src/symbol.ts b/src/symbol.ts new file mode 100644 index 0000000..503c877 --- /dev/null +++ b/src/symbol.ts @@ -0,0 +1,2 @@ +let a: Symbol; +console.log(a); diff --git a/tsconfig.json b/tsconfig.json index 1cbe178..8c9e402 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -6,6 +6,9 @@ "noImplicitAny": true, "target": "es5", "outDir": "dist/", - "experimentalDecorators": true + "experimentalDecorators": true, + "types": [ + "reflect-metadata" + ] } }