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| 1 | +import { NodeTypes } from '@intlify/message-compiler' |
| 2 | +import { hasOwn, isObject } from '@intlify/shared' |
| 3 | + |
| 4 | +import type { |
| 5 | + LinkedModifierNode, |
| 6 | + LinkedNode, |
| 7 | + MessageNode, |
| 8 | + Node, |
| 9 | + PluralNode, |
| 10 | + ResourceNode |
| 11 | +} from '@intlify/message-compiler' |
| 12 | +import type { MessageType } from './runtime' |
| 13 | + |
| 14 | +export function isMessageAST(val: unknown): val is ResourceNode { |
| 15 | + return ( |
| 16 | + isObject(val) && |
| 17 | + resolveType(val as Node) === 0 && |
| 18 | + (hasOwn(val, 'b') || hasOwn(val, 'body')) |
| 19 | + ) |
| 20 | +} |
| 21 | + |
| 22 | +const PROPS_BODY = ['b', 'body'] |
| 23 | + |
| 24 | +export function resolveBody(node: ResourceNode) { |
| 25 | + return resolveProps<MessageNode | PluralNode>(node, PROPS_BODY) |
| 26 | +} |
| 27 | + |
| 28 | +const PROPS_CASES = ['c', 'cases'] |
| 29 | + |
| 30 | +export function resolveCases(node: PluralNode) { |
| 31 | + return resolveProps<PluralNode['cases'], PluralNode['cases']>( |
| 32 | + node, |
| 33 | + PROPS_CASES, |
| 34 | + [] |
| 35 | + ) |
| 36 | +} |
| 37 | + |
| 38 | +const PROPS_STATIC = ['s', 'static'] |
| 39 | + |
| 40 | +export function resolveStatic(node: MessageNode) { |
| 41 | + return resolveProps(node, PROPS_STATIC) |
| 42 | +} |
| 43 | + |
| 44 | +const PROPS_ITEMS = ['i', 'items'] |
| 45 | + |
| 46 | +export function resolveItems(node: MessageNode) { |
| 47 | + return resolveProps<MessageNode['items'], MessageNode['items']>( |
| 48 | + node, |
| 49 | + PROPS_ITEMS, |
| 50 | + [] |
| 51 | + ) |
| 52 | +} |
| 53 | + |
| 54 | +const PROPS_TYPE = ['t', 'type'] |
| 55 | + |
| 56 | +export function resolveType(node: Node): ReturnType<typeof resolveProps> { |
| 57 | + return resolveProps<NodeTypes>(node, PROPS_TYPE) |
| 58 | +} |
| 59 | + |
| 60 | +const PROPS_VALUE = ['v', 'value'] |
| 61 | + |
| 62 | +export function resolveValue<Message = string>( |
| 63 | + node: { v?: MessageType<Message>; value?: MessageType<Message> }, |
| 64 | + type: NodeTypes |
| 65 | +): MessageType<Message> { |
| 66 | + const resolved = resolveProps<Message>( |
| 67 | + node as Node, |
| 68 | + PROPS_VALUE |
| 69 | + ) as MessageType<Message> |
| 70 | + if (resolved != null) { |
| 71 | + return resolved |
| 72 | + } else { |
| 73 | + throw createUnhandleNodeError(type) |
| 74 | + } |
| 75 | +} |
| 76 | + |
| 77 | +const PROPS_MODIFIER = ['m', 'modifier'] |
| 78 | + |
| 79 | +export function resolveLinkedModifier(node: LinkedNode) { |
| 80 | + return resolveProps<LinkedModifierNode>(node, PROPS_MODIFIER) |
| 81 | +} |
| 82 | + |
| 83 | +const PROPS_KEY = ['k', 'key'] |
| 84 | + |
| 85 | +export function resolveLinkedKey(node: LinkedNode) { |
| 86 | + const resolved = resolveProps<LinkedNode['key']>(node, PROPS_KEY) |
| 87 | + if (resolved) { |
| 88 | + return resolved |
| 89 | + } else { |
| 90 | + throw createUnhandleNodeError(NodeTypes.Linked) |
| 91 | + } |
| 92 | +} |
| 93 | + |
| 94 | +export function resolveProps<T = string, Default = undefined>( |
| 95 | + node: Node, |
| 96 | + props: string[], |
| 97 | + defaultValue?: Default |
| 98 | +): T | Default { |
| 99 | + for (let i = 0; i < props.length; i++) { |
| 100 | + const prop = props[i] |
| 101 | + // eslint-disable-next-line @typescript-eslint/no-explicit-any |
| 102 | + if (hasOwn(node, prop) && (node as any)[prop] != null) { |
| 103 | + // eslint-disable-next-line @typescript-eslint/no-explicit-any |
| 104 | + return (node as any)[prop] as T |
| 105 | + } |
| 106 | + } |
| 107 | + return defaultValue as Default |
| 108 | +} |
| 109 | + |
| 110 | +export const AST_NODE_PROPS_KEYS = [ |
| 111 | + ...PROPS_BODY, |
| 112 | + ...PROPS_CASES, |
| 113 | + ...PROPS_STATIC, |
| 114 | + ...PROPS_ITEMS, |
| 115 | + ...PROPS_KEY, |
| 116 | + ...PROPS_MODIFIER, |
| 117 | + ...PROPS_VALUE, |
| 118 | + ...PROPS_TYPE |
| 119 | +] |
| 120 | + |
| 121 | +export function createUnhandleNodeError(type: NodeTypes) { |
| 122 | + return new Error(`unhandled node type: ${type}`) |
| 123 | +} |
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