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feat(dart/change_detect): Add type to ChangeDetector context

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Add a type for the `context` field in Dart's pre-generated change
detectors. This requires slight changes to set the dehydrated value of
`context` to `null` rather than `ChangeDetectionUtil.uninitialized()`,
which was its former dehydrated state.

Mirror these chagnes as closely as possible in the
`ChangeDetectionJITGenerator` to allow easier maintenance.

Closes #2070
This commit is contained in:
Tim Blasi
2015-06-04 15:53:16 -07:00
parent 851797aecb
commit 529805508a
5 changed files with 44 additions and 27 deletions
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8
modules/angular2/src/change_detection/change_detection_jit_generator.ts
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@ -131,7 +131,7 @@ export class ChangeDetectorJITGenerator {
}
${this.typeName}.prototype.hydrated = function() {
return ${CONTEXT_ACCESSOR} !== ${UTIL}.uninitialized();
return Boolean(${CONTEXT_ACCESSOR});
}
return function(dispatcher, pipeRegistry) {
@ -173,7 +173,11 @@ export class ChangeDetectorJITGenerator {
fields = fields.concat(this._getNonNullPipeNames());
fields = fields.concat(this._genGetDirectiveFieldNames());
fields = fields.concat(this._genGetDetectorFieldNames());
return fields.map((n) => `${n} = ${UTIL}.uninitialized();`).join("\n");
return fields.map((n) => {
return n == CONTEXT_ACCESSOR ? `${n} = null;` :
`${n} = ${UTIL}.uninitialized();`;
})
.join("\n");
}
_genHydrateDirectives(): string {