Skip to content

Commit 62c5322

Browse files
rbucktonrbuckton
authored
Add support for __esDecorate and related helpers (#193)
1 parent 3bdc002 commit 62c5322

File tree

4 files changed

+138
-0
lines changed

4 files changed

+138
-0
lines changed

‎modules/index.js

Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,10 @@ const {
55
__rest,
66
__decorate,
77
__param,
8+
__esDecorate,
9+
__runInitializers,
10+
__propKey,
11+
__setFunctionName,
812
__metadata,
913
__awaiter,
1014
__generator,
@@ -32,6 +36,10 @@ export {
3236
__rest,
3337
__decorate,
3438
__param,
39+
__esDecorate,
40+
__runInitializers,
41+
__propKey,
42+
__setFunctionName,
3543
__metadata,
3644
__awaiter,
3745
__generator,

‎tslib.d.ts

Lines changed: 32 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -58,6 +58,38 @@ export declare function __decorate(decorators: Function[], target: any, key?: st
5858
*/
5959
export declare function __param(paramIndex: number, decorator: Function): Function;
6060

61+
/**
62+
* Applies decorators to a class or class member, following the native ECMAScript decorator specification.
63+
* @param ctor For non-field class members, the class constructor. Otherwise, `null`.
64+
* @param descriptorIn The `PropertyDescriptor` to use when unable to look up the property from `ctor`.
65+
* @param decorators The decorators to apply
66+
* @param contextIn The `DecoratorContext` to clone for each decorator application.
67+
* @param initializers An array of field initializer mutation functions into which new initializers are written.
68+
* @param extraInitializers An array of extra initializer functions into which new initializers are written.
69+
*/
70+
export declare function __esDecorate(ctor: Function | null, descriptorIn: object | null, decorators: Function[], contextIn: object, initializers: Function[] | null, extraInitializers: Function[]): void;
71+
72+
/**
73+
* Runs field initializers or extra initializers generated by `__esDecorate`.
74+
* @param thisArg The `this` argument to use.
75+
* @param initializers The array of initializers to evaluate.
76+
* @param value The initial value to pass to the initializers.
77+
*/
78+
export declare function __runInitializers(thisArg: unknown, initializers: Function[], value?: any): any;
79+
80+
/**
81+
* Converts a computed property name into a `string` or `symbol` value.
82+
*/
83+
export declare function __propKey(x: any): string | symbol;
84+
85+
/**
86+
* Assigns the name of a function derived from the left-hand side of an assignment.
87+
* @param f The function to rename.
88+
* @param name The new name for the function.
89+
* @param prefix A prefix (such as `"get"` or `"set"`) to insert before the name.
90+
*/
91+
export declare function __setFunctionName(f: Function, name: string | symbol, prefix?: string): Function;
92+
6193
/**
6294
* Creates a decorator that sets metadata.
6395
*

‎tslib.es6.js

Lines changed: 45 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -63,6 +63,51 @@ export function __param(paramIndex, decorator) {
6363
return function (target, key) { decorator(target, key, paramIndex); }
6464
}
6565

66+
export function __esDecorate(ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
67+
function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
68+
var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
69+
var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
70+
var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
71+
var _, done = false;
72+
for (var i = decorators.length - 1; i >= 0; i--) {
73+
var context = {};
74+
for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
75+
for (var p in contextIn.access) context.access[p] = contextIn.access[p];
76+
context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
77+
var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
78+
if (kind === "accessor") {
79+
if (result === void 0) continue;
80+
if (result === null || typeof result !== "object") throw new TypeError("Object expected");
81+
if (_ = accept(result.get)) descriptor.get = _;
82+
if (_ = accept(result.set)) descriptor.set = _;
83+
if (_ = accept(result.init)) initializers.push(_);
84+
}
85+
else if (_ = accept(result)) {
86+
if (kind === "field") initializers.push(_);
87+
else descriptor[key] = _;
88+
}
89+
}
90+
if (target) Object.defineProperty(target, contextIn.name, descriptor);
91+
done = true;
92+
};
93+
94+
export function __runInitializers(thisArg, initializers, value) {
95+
var useValue = arguments.length > 2;
96+
for (var i = 0; i < initializers.length; i++) {
97+
value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
98+
}
99+
return useValue ? value : void 0;
100+
};
101+
102+
export function __propKey(x) {
103+
return typeof x === "symbol" ? x : "".concat(x);
104+
};
105+
106+
export function __setFunctionName(f, name, prefix) {
107+
if (typeof name === "symbol") name = name.description ? "[".concat(name.description, "]") : "";
108+
return Object.defineProperty(f, "name", { configurable: true, value: prefix ? "".concat(prefix, " ", name) : name });
109+
};
110+
66111
export function __metadata(metadataKey, metadataValue) {
67112
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(metadataKey, metadataValue);
68113
}

‎tslib.js

Lines changed: 53 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -18,6 +18,10 @@ var __assign;
1818
var __rest;
1919
var __decorate;
2020
var __param;
21+
var __esDecorate;
22+
var __runInitializers;
23+
var __propKey;
24+
var __setFunctionName;
2125
var __metadata;
2226
var __awaiter;
2327
var __generator;
@@ -105,6 +109,51 @@ var __createBinding;
105109
return function (target, key) { decorator(target, key, paramIndex); }
106110
};
107111

112+
__esDecorate = function (ctor, descriptorIn, decorators, contextIn, initializers, extraInitializers) {
113+
function accept(f) { if (f !== void 0 && typeof f !== "function") throw new TypeError("Function expected"); return f; }
114+
var kind = contextIn.kind, key = kind === "getter" ? "get" : kind === "setter" ? "set" : "value";
115+
var target = !descriptorIn && ctor ? contextIn["static"] ? ctor : ctor.prototype : null;
116+
var descriptor = descriptorIn || (target ? Object.getOwnPropertyDescriptor(target, contextIn.name) : {});
117+
var _, done = false;
118+
for (var i = decorators.length - 1; i >= 0; i--) {
119+
var context = {};
120+
for (var p in contextIn) context[p] = p === "access" ? {} : contextIn[p];
121+
for (var p in contextIn.access) context.access[p] = contextIn.access[p];
122+
context.addInitializer = function (f) { if (done) throw new TypeError("Cannot add initializers after decoration has completed"); extraInitializers.push(accept(f || null)); };
123+
var result = (0, decorators[i])(kind === "accessor" ? { get: descriptor.get, set: descriptor.set } : descriptor[key], context);
124+
if (kind === "accessor") {
125+
if (result === void 0) continue;
126+
if (result === null || typeof result !== "object") throw new TypeError("Object expected");
127+
if (_ = accept(result.get)) descriptor.get = _;
128+
if (_ = accept(result.set)) descriptor.set = _;
129+
if (_ = accept(result.init)) initializers.push(_);
130+
}
131+
else if (_ = accept(result)) {
132+
if (kind === "field") initializers.push(_);
133+
else descriptor[key] = _;
134+
}
135+
}
136+
if (target) Object.defineProperty(target, contextIn.name, descriptor);
137+
done = true;
138+
};
139+
140+
__runInitializers = function (thisArg, initializers, value) {
141+
var useValue = arguments.length > 2;
142+
for (var i = 0; i < initializers.length; i++) {
143+
value = useValue ? initializers[i].call(thisArg, value) : initializers[i].call(thisArg);
144+
}
145+
return useValue ? value : void 0;
146+
};
147+
148+
__propKey = function (x) {
149+
return typeof x === "symbol" ? x : "".concat(x);
150+
};
151+
152+
__setFunctionName = function (f, name, prefix) {
153+
if (typeof name === "symbol") name = name.description ? "[".concat(name.description, "]") : "";
154+
return Object.defineProperty(f, "name", { configurable: true, value: prefix ? "".concat(prefix, " ", name) : name });
155+
};
156+
108157
__metadata = function (metadataKey, metadataValue) {
109158
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(metadataKey, metadataValue);
110159
};
@@ -294,6 +343,10 @@ var __createBinding;
294343
exporter("__rest", __rest);
295344
exporter("__decorate", __decorate);
296345
exporter("__param", __param);
346+
exporter("__esDecorate", __esDecorate);
347+
exporter("__runInitializers", __runInitializers);
348+
exporter("__propKey", __propKey);
349+
exporter("__setFunctionName", __setFunctionName);
297350
exporter("__metadata", __metadata);
298351
exporter("__awaiter", __awaiter);
299352
exporter("__generator", __generator);

0 commit comments

Comments
 (0)
pFad - Phonifier reborn

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.


Alternative Proxies:

Alternative Proxy

pFad Proxy

pFad v3 Proxy

pFad v4 Proxy