All files / compiler-core/src compile.ts

89.18% Statements 33/37
69.44% Branches 25/36
100% Functions 2/2
89.18% Lines 33/37

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119  84x 84x 84x   84x 84x 84x 84x 84x 84x 84x 84x 84x 84x 84x 84x 84x 84x 84x             84x     242x                                                             84x       205x 205x   205x                 205x 205x     205x 1x     204x   204x   204x             204x                               204x              
import { CompilerOptions } from './options'
import { baseParse } from './parse'
import { transform, NodeTransform, DirectiveTransform } from './transform'
import { generate, CodegenResult } from './codegen'
import { RootNode } from './ast'
import { isString, extend } from '@vue/shared'
import { transformIf } from './transforms/vIf'
import { transformFor } from './transforms/vFor'
import { transformExpression } from './transforms/transformExpression'
import { transformSlotOutlet } from './transforms/transformSlotOutlet'
import { transformElement } from './transforms/transformElement'
import { transformOn } from './transforms/vOn'
import { transformBind } from './transforms/vBind'
import { trackSlotScopes, trackVForSlotScopes } from './transforms/vSlot'
import { transformText } from './transforms/transformText'
import { transformOnce } from './transforms/vOnce'
import { transformModel } from './transforms/vModel'
import { transformFilter } from './compat/transformFilter'
import { defaultOnError, createCompilerError, ErrorCodes } from './errors'
import { transformMemo } from './transforms/vMemo'
 
export type TransformPreset = [
  NodeTransform[],
  Record<string, DirectiveTransform>
]
 
export function getBaseTransformPreset(
  prefixIdentifiers?: boolean
): TransformPreset {
  return [
    [
      transformOnce,
      transformIf,
      transformMemo,
      transformFor,
      ...(__COMPAT__ ? [transformFilter] : []),
      ...(!__BROWSER__ && prefixIdentifiers
        ? [
            // order is important
            trackVForSlotScopes,
            transformExpression
          ]
        : __BROWSER__ && __DEV__
        ? [transformExpression]
        : []),
      transformSlotOutlet,
      transformElement,
      trackSlotScopes,
      transformText
    ],
    {
      on: transformOn,
      bind: transformBind,
      model: transformModel
    }
  ]
}
 
// we name it `baseCompile` so that higher order compilers like
// @vue/compiler-dom can export `compile` while re-exporting everything else.
export function baseCompile(
  template: string | RootNode,
  options: CompilerOptions = {}
): CodegenResult {
  const onError = options.onError || defaultOnError
  const isModuleMode = options.mode === 'module'
  /* istanbul ignore if */
  if (__BROWSER__) {
    if (options.prefixIdentifiers === true) {
      onError(createCompilerError(ErrorCodes.X_PREFIX_ID_NOT_SUPPORTED))
    } else if (isModuleMode) {
      onError(createCompilerError(ErrorCodes.X_MODULE_MODE_NOT_SUPPORTED))
    }
  }
 
  const prefixIdentifiers =
    !__BROWSER__ && (options.prefixIdentifiers === true || isModuleMode)
  Iif (!prefixIdentifiers && options.cacheHandlers) {
    onError(createCompilerError(ErrorCodes.X_CACHE_HANDLER_NOT_SUPPORTED))
  }
  if (options.scopeId && !isModuleMode) {
    onError(createCompilerError(ErrorCodes.X_SCOPE_ID_NOT_SUPPORTED))
  }
 
  const ast = isString(template) ? baseParse(template, options) : template
  const [nodeTransforms, directiveTransforms] =
    getBaseTransformPreset(prefixIdentifiers)
 
  Iif (!__BROWSER__ && options.isTS) {
    const { expressionPlugins } = options
    Iif (!expressionPlugins || !expressionPlugins.includes('typescript')) {
      options.expressionPlugins = [...(expressionPlugins || []), 'typescript']
    }
  }
 
  transform(
    ast,
    extend({}, options, {
      prefixIdentifiers,
      nodeTransforms: [
        ...nodeTransforms,
        ...(options.nodeTransforms || []) // user transforms
      ],
      directiveTransforms: extend(
        {},
        directiveTransforms,
        options.directiveTransforms || {} // user transforms
      )
    })
  )
 
  return generate(
    ast,
    extend({}, options, {
      prefixIdentifiers
    })
  )
}