| 82 | } |
| 83 | |
| 84 | function parseMappings(inject) { |
| 85 | const out = {} |
| 86 | for (const [name, value] of Object.entries(inject || {})) { |
| 87 | if (RESERVED_NAMES.has(name)) { |
| 88 | throw new Error(`expose plugin: inject name '${name}' is reserved`) |
| 89 | } |
| 90 | if (typeof value !== 'string' || !value) { |
| 91 | throw new Error(`expose plugin: inject value for '${name}' must be a non-empty string`) |
| 92 | } |
| 93 | |
| 94 | let helperName |
| 95 | let property |
| 96 | |
| 97 | if (value.includes('.')) { |
| 98 | const dot = value.indexOf('.') |
| 99 | helperName = value.slice(0, dot) |
| 100 | property = value.slice(dot + 1) |
| 101 | if (!helperName || !property) { |
| 102 | throw new Error(`expose plugin: invalid inject value '${value}' for '${name}' (expected 'HelperName.propertyName')`) |
| 103 | } |
| 104 | if (!Container.helpers(helperName)) { |
| 105 | throw new Error(`expose plugin: helper '${helperName}' is not configured (needed for inject '${name}')`) |
| 106 | } |
| 107 | } else { |
| 108 | property = value |
| 109 | if (!SHORTHAND_PROPERTIES.has(property)) { |
| 110 | throw new Error(`expose plugin: shorthand '${property}' is not a known helper property for '${name}' (use 'HelperName.${property}' instead)`) |
| 111 | } |
| 112 | helperName = Container.STANDARD_ACTING_HELPERS.find(h => Container.helpers(h)) |
| 113 | if (!helperName) { |
| 114 | throw new Error(`expose plugin: no standard browser helper configured (needed for inject '${name}')`) |
| 115 | } |
| 116 | } |
| 117 | |
| 118 | out[name] = { helperName, property } |
| 119 | } |
| 120 | return out |
| 121 | } |
| 122 | |
| 123 | function makeLiveProxy(helperName, property) { |
| 124 | const resolve = () => Container.helpers(helperName)?.[property] |