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$mount() — vue Function Reference

Architecture documentation for the $mount() function in runtime-with-compiler.ts from the vue codebase.

Function typescript WebPlatform WebCompiler calls 5

Entity Profile

Dependency Diagram

graph TD
  feaee645_45c1_e2b9_4692_b11d3df632bd["$mount()"]
  a471e6a5_8f7e_ccbd_de6e_5b12702970c0["query()"]
  feaee645_45c1_e2b9_4692_b11d3df632bd -->|calls| a471e6a5_8f7e_ccbd_de6e_5b12702970c0
  3849cc2d_1418_3604_f213_7a6c913ffcfd["idToTemplate()"]
  feaee645_45c1_e2b9_4692_b11d3df632bd -->|calls| 3849cc2d_1418_3604_f213_7a6c913ffcfd
  646d1718_1954_887d_7bc9_84b5d34df6d7["getOuterHTML()"]
  feaee645_45c1_e2b9_4692_b11d3df632bd -->|calls| 646d1718_1954_887d_7bc9_84b5d34df6d7
  1350e21f_1b74_6608_e1b6_e32c635ba3e3["mark()"]
  feaee645_45c1_e2b9_4692_b11d3df632bd -->|calls| 1350e21f_1b74_6608_e1b6_e32c635ba3e3
  baee4b33_abd2_45c7_4cbc_98ddfcca1ce4["measure()"]
  feaee645_45c1_e2b9_4692_b11d3df632bd -->|calls| baee4b33_abd2_45c7_4cbc_98ddfcca1ce4
  style feaee645_45c1_e2b9_4692_b11d3df632bd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

src/platforms/web/runtime-with-compiler.ts lines 21–92

Vue.prototype.$mount = function (
  el?: string | Element,
  hydrating?: boolean
): Component {
  el = el && query(el)

  /* istanbul ignore if */
  if (el === document.body || el === document.documentElement) {
    __DEV__ &&
      warn(
        `Do not mount Vue to <html> or <body> - mount to normal elements instead.`
      )
    return this
  }

  const options = this.$options
  // resolve template/el and convert to render function
  if (!options.render) {
    let template = options.template
    if (template) {
      if (typeof template === 'string') {
        if (template.charAt(0) === '#') {
          template = idToTemplate(template)
          /* istanbul ignore if */
          if (__DEV__ && !template) {
            warn(
              `Template element not found or is empty: ${options.template}`,
              this
            )
          }
        }
      } else if (template.nodeType) {
        template = template.innerHTML
      } else {
        if (__DEV__) {
          warn('invalid template option:' + template, this)
        }
        return this
      }
    } else if (el) {
      // @ts-expect-error
      template = getOuterHTML(el)
    }
    if (template) {
      /* istanbul ignore if */
      if (__DEV__ && config.performance && mark) {
        mark('compile')
      }

      const { render, staticRenderFns } = compileToFunctions(
        template,
        {
          outputSourceRange: __DEV__,
          shouldDecodeNewlines,
          shouldDecodeNewlinesForHref,
          delimiters: options.delimiters,
          comments: options.comments
        },
        this
      )
      options.render = render
      options.staticRenderFns = staticRenderFns

      /* istanbul ignore if */
      if (__DEV__ && config.performance && mark) {
        mark('compile end')
        measure(`vue ${this._name} compile`, 'compile', 'compile end')
      }
    }
  }
  return mount.call(this, el, hydrating)
}

Domain

Subdomains

Calls

Source

Frequently Asked Questions

What does $mount() do?
$mount() is a function in the vue codebase.
What does $mount() call?
$mount() calls 5 function(s): getOuterHTML, idToTemplate, mark, measure, query.

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