{"id":52067,"date":"2024-12-03T12:15:48","date_gmt":"2024-12-03T04:15:48","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52067\/"},"modified":"2024-12-03T12:15:48","modified_gmt":"2024-12-03T04:15:48","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-index-d-ts-%e4%b8%ad%e4%b8%ba%e5%90%8c%e7%ba%a7-js-%e6%96%87%e4%bb%b6%e7%bc%96%e5%86%99%e7%b1%bb%e5%9e%8b%e4%bb%a3%e7%a0%81%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52067\/","title":{"rendered":"\u5982\u4f55\u5728 index.d.ts \u4e2d\u4e3a\u540c\u7ea7 js \u6587\u4ef6\u7f16\u5199\u7c7b\u578b\u4ee3\u7801\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

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\"\u5982\u4f55\u5728<\/p>\n

\u5728 index.d.ts \u4e2d\u4e3a\u540c\u7ea7 js \u6587\u4ef6\u7f16\u5199\u7c7b\u578b\u4ee3\u7801<\/strong><\/p>\n

\u5728\u5f00\u53d1javascript\u5de5\u5177\u5e93\u65f6\uff0c\u6211\u4eec\u9700\u8981\u4e3a\u5176\u5bfc\u51fa\u51fd\u6570\u548c\u53d8\u91cf\u521b\u5efa\u7c7b\u578b\u4ee3\u7801\uff0c\u4ee5\u65b9\u4fbf\u5176\u4ed6\u9879\u76ee\u4f7f\u7528\u3002\u5f53\u9f20\u6807\u60ac\u505c\u5728\u8fd9\u4e9b\u5143\u7d20\u4e0a\u65f6\uff0c\u4ee3\u7801\u7f16\u8f91\u5668\u5c31\u80fd\u663e\u793a\u7c7b\u578b\u63d0\u793a\u3002<\/p>\n

\u5bf9\u4e8e\u540c\u7ea7\u6587\u4ef6\u5939\u4e2d\u7684 js \u6587\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5728 index.d.ts \u4e2d\u7f16\u5199\u7c7b\u578b\u4ee3\u7801\uff1a<\/p>\n

1. \u5bfc\u51fa js \u6587\u4ef6\u4e2d\u7684\u51fd\u6570\u548c\u53d8\u91cf<\/strong><\/p>\n

\u5728 index.js \u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u5bfc\u51fa\u6211\u4eec\u8981\u63d0\u4f9b\u7c7b\u578b\u63d0\u793a\u7684\u51fd\u6570\u548c\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n

export function add(a, n = 1) {\n    return a + n\n}<\/pre>\n
2. \u7f16\u5199 index.d.ts \u6587\u4ef6<\/strong><\/p>\n
\u5728\u4e0e index.js \u6587\u4ef6\u540c\u7ea7\u7684\u6587\u4ef6\u5939\u4e2d\uff0c\u521b\u5efa index.d.ts \u6587\u4ef6\u3002\u8be5\u6587\u4ef6\u5305\u542b\u5bfc\u51fa\u51fd\u6570\u548c\u53d8\u91cf\u7684\u7c7b\u578b\u5b9a\u4e49\u3002\u4f8b\u5982\uff1a<\/p>\n
export function add(a: number, n?: number): number<\/pre>\n
\u5176\u4e2d\u7684 add \u51fd\u6570\u4e0e index.js \u6587\u4ef6\u4e2d\u7684 add \u51fd\u6570\u76f8\u540c\uff0c\u4f46\u7c7b\u578b\u5b9a\u4e49\u660e\u786e\u4e86\u5b83\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\u7c7b\u578b\u3002<\/p>\n
3. \u5728\u5176\u4ed6\u9879\u76ee\u4e2d\u4f7f\u7528<\/strong><\/p>\n
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import { add } from '.\/test'\n\n\/\/ (a: number, n?: number | undefined) =&gt; number\ntype T = typeof add<\/pre>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u4e3a index.js \u6587\u4ef6\u4e2d\u7684\u51fd\u6570\u548c\u53d8\u91cf\u521b\u5efa\u4e86\u7c7b\u578b\u4ee3\u7801\uff0c\u4f7f\u5176\u4ed6\u9879\u76ee\u53ef\u4ee5\u83b7\u5f97\u7c7b\u578b\u63d0\u793a\uff0c\u4ece\u800c\u7b80\u5316\u5f00\u53d1\u8fc7\u7a0b\u5e76\u51cf\u5c11\u9519\u8bef\u3002<\/p>\n
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\n
<\/dt>\n
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