All files / compiler-core/src compile.ts

91.2% Statements 83/91
77.27% Branches 17/22
100% Functions 2/2
91.2% Lines 83/91

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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 1212x 2x         2x 2x   2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x             2x 327x 327x 327x 327x 327x 327x 327x 327x 327x 327x 125x   125x 125x 125x 202x   202x 327x 327x 327x 327x 327x 327x 327x 327x 327x 327x 327x 327x       2x 275x 275x 275x 275x 275x                     275x 275x 275x     275x 1x 1x   274x 274x 274x 275x 275x 275x   275x             274x 274x 274x 274x 274x 274x 275x 275x 275x 275x 275x 275x 275x 275x   275x 275x  
import type { CompilerOptions } from './options'
import { baseParse } from './parser'
import {
  type DirectiveTransform,
  type NodeTransform,
  transform,
} from './transform'
import { type CodegenResult, generate } from './codegen'
import type { RootNode } from './ast'
import { extend, isString } 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 { ErrorCodes, createCompilerError, defaultOnError } 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(
  source: string | RootNode,
  options: CompilerOptions = {},
): CodegenResult {
  const onError = options.onError || defaultOnError
  const isModuleMode = options.mode === 'module'
  /* v8 ignore start */
  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))
    }
  }
  /* v8 ignore stop */
 
  const prefixIdentifiers =
    !__BROWSER__ && (options.prefixIdentifiers === true || isModuleMode)
  if (!prefixIdentifiers && options.cacheHandlers) {
    onError(createCompilerError(ErrorCodes.X_CACHE_HANDLER_NOT_SUPPORTED))
  }
  if (options.scopeId && !isModuleMode) {
    onError(createCompilerError(ErrorCodes.X_SCOPE_ID_NOT_SUPPORTED))
  }
 
  const resolvedOptions = extend({}, options, {
    prefixIdentifiers,
  })
  const ast = isString(source) ? baseParse(source, resolvedOptions) : source
  const [nodeTransforms, directiveTransforms] =
    getBaseTransformPreset(prefixIdentifiers)
 
  if (!__BROWSER__ && options.isTS) {
    const { expressionPlugins } = options
    if (!expressionPlugins || !expressionPlugins.includes('typescript')) {
      options.expressionPlugins = [...(expressionPlugins || []), 'typescript']
    }
  }
 
  transform(
    ast,
    extend({}, resolvedOptions, {
      nodeTransforms: [
        ...nodeTransforms,
        ...(options.nodeTransforms || []), // user transforms
      ],
      directiveTransforms: extend(
        {},
        directiveTransforms,
        options.directiveTransforms || {}, // user transforms
      ),
    }),
  )
 
  return generate(ast, resolvedOptions)
}