Setting the default date format in dayjs: A quick guide

Is there a way for me to set the default date and time format to "YYYY-MM-DD HH:mm:ss" in order to avoid unnecessary repetitive code like the following:

this.dayjs().startOf("year").format("YYYY-MM-DD HH:mm:ss")
this.dayjs().format("YYYY-MM-DD HH:mm:ss")
this.dayjs().startOf("week").format("YYYY-MM-DD HH:mm:ss")

Any suggestions or advice on how to achieve this?

Answer №1

After implementing a solution to customize the default format method in a plugin:

const defaultFormat = 'YYYY-MM-DD HH:mm:ss'

dayjs.extend((option, dayjsClass, dayjsFactory) => {
  const oldFormat = dayjsClass.prototype.format

  dayjsClass.prototype.format = function (formatString) {
    return oldFormat.bind(this)(formatString ?? defaultFormat)
  }
})

Adapted code snippet sourced from

Once this plugin is integrated, the specified default format will be automatically used when .format() is called without any parameters.

Answer №2

To enhance your App.vue file, consider implementing the following code snippet:

mounted() {
  const formattedDate = this.$dayjs().format('YYYY-MM-DD HH:mm:ss');
}

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