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content.ts
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content.ts
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import {
check,
CheckDocumentFragment,
CheckNode,
CheckSafeString,
CheckString,
} from '@glimmer/debug';
import { hasInternalComponentManager, hasInternalHelperManager } from '@glimmer/manager';
import { isConstRef, valueForRef } from '@glimmer/reference';
import { isObject } from '@glimmer/util';
import { ContentType, CurriedType, Op } from '@glimmer/vm';
import { isCurriedType } from '../../curried-value';
import {
isEmpty,
isFragment,
isNode,
isSafeString,
isTrustedHTML,
shouldCoerce,
} from '../../dom/normalize';
import { APPEND_OPCODES } from '../../opcodes';
import DynamicTextContent from '../../vm/content/text';
import { CheckReference } from './-debug-strip';
import { AssertFilter } from './vm';
function toContentType(value: unknown) {
if (shouldCoerce(value)) {
return ContentType.String;
} else if (
isCurriedType(value, CurriedType.Component) ||
hasInternalComponentManager(value as object)
) {
return ContentType.Component;
} else if (
isCurriedType(value, CurriedType.Helper) ||
hasInternalHelperManager(value as object)
) {
return ContentType.Helper;
} else if (isSafeString(value)) {
return ContentType.SafeString;
} else if (isTrustedHTML(value)) {
return ContentType.TrustedHTML;
} else if (isFragment(value)) {
return ContentType.Fragment;
} else if (isNode(value)) {
return ContentType.Node;
} else {
return ContentType.String;
}
}
function toDynamicContentType(value: unknown) {
if (!isObject(value)) {
return ContentType.String;
}
if (isCurriedType(value, CurriedType.Component) || hasInternalComponentManager(value)) {
return ContentType.Component;
} else {
if (
import.meta.env.DEV &&
!isCurriedType(value, CurriedType.Helper) &&
!hasInternalHelperManager(value)
) {
throw new Error(
`Attempted use a dynamic value as a component or helper, but that value did not have an associated component or helper manager. The value was: ${value}`
);
}
return ContentType.Helper;
}
}
APPEND_OPCODES.add(Op.ContentType, (vm) => {
let reference = check(vm.stack.peek(), CheckReference);
vm.stack.push(toContentType(valueForRef(reference)));
if (!isConstRef(reference)) {
vm.updateWith(new AssertFilter(reference, toContentType));
}
});
APPEND_OPCODES.add(Op.DynamicContentType, (vm) => {
let reference = check(vm.stack.peek(), CheckReference);
vm.stack.push(toDynamicContentType(valueForRef(reference)));
if (!isConstRef(reference)) {
vm.updateWith(new AssertFilter(reference, toDynamicContentType));
}
});
APPEND_OPCODES.add(Op.AppendHTML, (vm) => {
let reference = check(vm.stack.pop(), CheckReference);
let rawValue = valueForRef(reference);
let value = isEmpty(rawValue)
? ''
: isTrustedHTML(rawValue)
? (rawValue as string)
: String(rawValue);
vm.elements().appendDynamicHTML(value);
});
APPEND_OPCODES.add(Op.AppendSafeHTML, (vm) => {
let reference = check(vm.stack.pop(), CheckReference);
let rawValue = check(valueForRef(reference), CheckSafeString).toHTML();
let value = isEmpty(rawValue) ? '' : check(rawValue, CheckString);
vm.elements().appendDynamicHTML(value);
});
APPEND_OPCODES.add(Op.AppendText, (vm) => {
let reference = check(vm.stack.pop(), CheckReference);
let rawValue = valueForRef(reference);
let value = isEmpty(rawValue) ? '' : String(rawValue);
let node = vm.elements().appendDynamicText(value);
if (!isConstRef(reference)) {
vm.updateWith(new DynamicTextContent(node, reference, value));
}
});
APPEND_OPCODES.add(Op.AppendDocumentFragment, (vm) => {
let reference = check(vm.stack.pop(), CheckReference);
let value = check(valueForRef(reference), CheckDocumentFragment);
vm.elements().appendDynamicFragment(value);
});
APPEND_OPCODES.add(Op.AppendNode, (vm) => {
let reference = check(vm.stack.pop(), CheckReference);
let value = check(valueForRef(reference), CheckNode);
vm.elements().appendDynamicNode(value);
});