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1 line
14 KiB
JavaScript
1 line
14 KiB
JavaScript
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(window.webpackJsonp=window.webpackJsonp||[]).push([[15],{224:function(t,s,a){"use strict";a.r(s);var n=a(0),o=Object(n.a)({},function(){this.$createElement;this._self._c;return this._m(0)},[function(){var t=this,s=t.$createElement,a=t._self._c||s;return a("div",{staticClass:"content"},[a("h1",{attrs:{id:"logging"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#logging","aria-hidden":"true"}},[t._v("#")]),t._v(" Logging")]),t._v(" "),a("p",[t._v("Strapi comes with a simple and useful built-in logger.\nIts usage is purposely very similar to "),a("code",[t._v("console.log()")]),t._v(", but with a handful of\nextra features; namely support for multiple log levels with colorized,\nprefixed console output.")]),t._v(" "),a("p",[t._v("The logger is accessible through the "),a("code",[t._v("strapi")]),t._v(" object directly with "),a("code",[t._v("strapi.log")]),t._v(".")]),t._v(" "),a("p",[t._v("You can work with this logger in the same way that you work with the default logger:")]),t._v(" "),a("div",{staticClass:"language-js extra-class"},[a("pre",{pre:!0,attrs:{class:"language-js"}},[a("code",[t._v("strapi"),a("span",{attrs:{class:"token punctuation"}},[t._v(".")]),t._v("log"),a("span",{attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{attrs:{class:"token function"}},[t._v("info")]),a("span",{attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{attrs:{class:"token string"}},[t._v("'Logs work!'")]),a("span",{attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),a("h2",{attrs:{id:"logging-with-metadata"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#logging-with-metadata","aria-hidden":"true"}},[t._v("#")]),t._v(" Logging with Metadata")]),t._v(" "),a("p",[t._v("In addition to logging string messages, the logger will also optionally log additional\nJSON metadata objects. Adding metadata is simple:")]),t._v(" "),a("div",{staticClass:"language-js extra-class"},[a("pre",{pre:!0,attrs:{class:"language-js"}},[a("code",[t._v("strapi"),a("span",{attrs:{class:"token punctuation"}},[t._v(".")]),t._v("log"),a("span",{attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{attrs:{class:"token function"}},[t._v("info")]),a("span",{attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{attrs:{class:"token string"}},[t._v("'Test log message'")]),a("span",{attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n anything"),a("span",{attrs:{class:"token punctuation"}},[t._v(":")]),t._v(" "),a("span",{attrs:{class:"token string"}},[t._v("'This is metadata'")]),t._v("\n"),a("span",{attrs:{class:"token punctuation"}},[t._v("}")]),a("span",{attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),a("h2",{attrs:{id:"string-interpolation"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#string-interpolation","aria-hidden":"true"}},[t._v("#")]),t._v(" String interpolation")]),t._v(" "),a("p",[t._v("The log method provides the same string interpolation methods like "),a("code",[t._v("util.format")]),t._v(".")]),t._v(" "),a("p",[t._v("This allows for the following log messages.")]),t._v(" "),a("div",{staticClass:"language-js extra-class"},[a("pre",{pre:!0,attrs:{class:"language-js"}},[a("code",[t._v("strapi"),a("span",{attrs:{class:"token punctuation"}},[t._v(".")]),t._v("log"),a("span",{attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{attrs:{class:"token function"}},[t._v("info")]),a("span",{attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{attrs:{class:"token string"}},[t._v("'test message %s'")]),a("span",{attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{attrs:{class:"token string"}},[t._v("'my string'")]),a("span",{attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n"),a("span",{attrs:{class:"token comment"}},[t._v("// => info: test message my string")]),t._v("\n")])])]),a("div",{staticClass:"language-js extra-class"},[a(
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