ce4c83ff
 wxy
初始提交
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const SyncHook = require("../SyncHook");
describe("Hook", () => {
it("should allow to insert hooks before others and in stages", () => {
const hook = new SyncHook();
const calls = [];
hook.tap("A", () => calls.push("A"));
hook.tap(
{
name: "B",
before: "A"
},
() => calls.push("B")
);
calls.length = 0;
hook.call();
expect(calls).toEqual(["B", "A"]);
hook.tap(
{
name: "C",
before: ["A", "B"]
},
() => calls.push("C")
);
calls.length = 0;
hook.call();
expect(calls).toEqual(["C", "B", "A"]);
hook.tap(
{
name: "D",
before: "B"
},
() => calls.push("D")
);
calls.length = 0;
hook.call();
expect(calls).toEqual(["C", "D", "B", "A"]);
hook.tap(
{
name: "E",
stage: -5
},
() => calls.push("E")
);
hook.tap(
{
name: "F",
stage: -3
},
() => calls.push("F")
);
calls.length = 0;
hook.call();
expect(calls).toEqual(["E", "F", "C", "D", "B", "A"]);
});
});
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