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node_modules/vue/src/server/template-renderer/parse-template.js 951 Bytes
aaac7fed   liuqimichale   add
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  /* @flow */
  
  const compile = require('lodash.template')
  const compileOptions = {
    escape: /{{([^{][\s\S]+?[^}])}}/g,
    interpolate: /{{{([\s\S]+?)}}}/g
  }
  
  export type ParsedTemplate = {
    head: (data: any) => string;
    neck: (data: any) => string;
    tail: (data: any) => string;
  };
  
  export function parseTemplate (
    template: string,
    contentPlaceholder?: string = '<!--vue-ssr-outlet-->'
  ): ParsedTemplate {
    if (typeof template === 'object') {
      return template
    }
  
    let i = template.indexOf('</head>')
    const j = template.indexOf(contentPlaceholder)
  
    if (j < 0) {
      throw new Error(`Content placeholder not found in template.`)
    }
  
    if (i < 0) {
      i = template.indexOf('<body>')
      if (i < 0) {
        i = j
      }
    }
  
    return {
      head: compile(template.slice(0, i), compileOptions),
      neck: compile(template.slice(i, j), compileOptions),
      tail: compile(template.slice(j + contentPlaceholder.length), compileOptions)
    }
  }