Hexo 命令报错

Hexo 命令报错

好友没有写博客了，今天Hexo，发现命令不可用，出现这样的错误TypeError: Cannot read property 'replace' of null。

hexo g
INFO  Start processing
INFO  Files loaded in 627 ms
ERROR Render HTML failed: page/2/index.html
TypeError: Cannot read property 'replace' of nullat Hexo.externalLinkFilter (/Users/xiaqiulei/Documents/blog/node_modules/hexo/lib/plugins/filter/after_render/external_link.js:45:15)at Hexo.tryCatcher (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/util.js:16:23)at Hexo.<anonymous> (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/method.js:15:34)at /Users/xiaqiulei/Documents/blog/node_modules/hexo/lib/extend/filter.js:60:50at tryCatcher (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/util.js:16:23)at Object.gotValue (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/reduce.js:155:18)at Object.gotAccum (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/reduce.js:144:25)at Object.tryCatcher (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/util.js:16:23)at Promise._settlePromiseFromHandler (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/promise.js:512:31)at Promise._settlePromise (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/promise.js:569:18)at Promise._settlePromiseCtx (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/promise.js:606:10)at _drainQueueStep (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/async.js:142:12)at _drainQueue (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/async.js:131:9)at Async._drainQueues (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/async.js:147:5)at Immediate.Async.drainQueues [as _onImmediate] (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/async.js:17:14)at processImmediate (internal/timers.js:439:21)
ERROR Cannot read property 'replace' of null
TypeError: Cannot read property 'replace' of nullat Hexo.externalLinkFilter (/Users/xiaqiulei/Documents/blog/node_modules/hexo/lib/plugins/filter/after_render/external_link.js:45:15)at Hexo.tryCatcher (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/util.js:16:23)at Hexo.<anonymous> (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/method.js:15:34)at /Users/xiaqiulei/Documents/blog/node_modules/hexo/lib/extend/filter.js:60:50at tryCatcher (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/util.js:16:23)at Object.gotValue (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/reduce.js:155:18)at Object.gotAccum (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/reduce.js:144:25)at Object.tryCatcher (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/util.js:16:23)at Promise._settlePromiseFromHandler (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/promise.js:512:31)at Promise._settlePromise (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/promise.js:569:18)at Promise._settlePromiseCtx (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/promise.js:606:10)at _drainQueueStep (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/async.js:142:12)at _drainQueue (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/async.js:131:9)at Async._drainQueues (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/async.js:147:5)at Immediate.Async.drainQueues [as _onImmediate] (/Users/xiaqiulei/Documents/blog/node_modules/bluebird/js/release/async.js:17:14)at processImmediate (internal/timers.js:439:21)
INFO  0 files generated in 1.6 s

跟踪源码到这个文件/Users/xiaqiulei/Documents/blog/node_modules/hexo/lib/plugins/filter/after_render/external_link.js:45:15。

function externalLinkFilter(data) {const { config } = this;if (typeof config.external_link === 'undefined' || typeof config.external_link === 'object' ||config.external_link === true) {config.external_link = Object.assign({enable: true,field: 'site',exclude: ''}, config.external_link);}if (config.external_link === false || config.external_link.enable === false ||config.external_link.field !== 'site') return;data = data.replace(//gi, (str, hrefStr, href) => {if (/target=/gi.test(str) || !isExternal(href, config)) return str;if (/rel=/gi.test(str)) {str = str.replace(/rel="(.*?)"/gi, (relStr, rel) => {if (!rel.includes('noopenner')) relStr = relStr.replace(rel, `${rel} noopener`);return relStr;});return str.replace(hrefStr, `${hrefStr} target="_blank"`);}return str.replace(hrefStr, `${hrefStr} target="_blank" rel="noopener"`);});return data;
}

发现逻辑有问题，修改_config.yml，如下所示enable: false，即可解决问题。

external_link: # Open external links in new tabenable: false # Open external links in new tabfield: site # Apply to the whole siteexclude: ''

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