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feat(compiler): warn invalid children for transition and keep-alive

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This commit is contained in:
Evan You
2020-02-06 15:53:26 -05:00
parent 605cc3db17
commit 4cc39e14a2
5 changed files with 46 additions and 2 deletions
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2
packages/compiler-core/src/errors.ts
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@@ -81,6 +81,7 @@ export const enum ErrorCodes {
X_V_MODEL_MALFORMED_EXPRESSION,
X_V_MODEL_ON_SCOPE_VARIABLE,
X_INVALID_EXPRESSION,
X_KEEP_ALIVE_INVALID_CHILDREN,
// generic errors
X_PREFIX_ID_NOT_SUPPORTED,
@@ -174,6 +175,7 @@ export const errorMessages: { [code: number]: string } = {
[ErrorCodes.X_V_MODEL_MALFORMED_EXPRESSION]: `v-model value must be a valid JavaScript member expression.`,
[ErrorCodes.X_V_MODEL_ON_SCOPE_VARIABLE]: `v-model cannot be used on v-for or v-slot scope variables because they are not writable.`,
[ErrorCodes.X_INVALID_EXPRESSION]: `Invalid JavaScript expression.`,
[ErrorCodes.X_KEEP_ALIVE_INVALID_CHILDREN]: `<KeepAlive> expects exactly one child component.`,
// generic errors
[ErrorCodes.X_PREFIX_ID_NOT_SUPPORTED]: `"prefixIdentifiers" option is not supported in this build of compiler.`,