(def, verb, moduleName)
| 39 | } |
| 40 | |
| 41 | function parseTableDefinition(def, verb, moduleName) { |
| 42 | // Validate required properties |
| 43 | if (!hasOwnProperty.call(def, 'rows')) { |
| 44 | throw new TypeError(`Virtual table module "${moduleName}" ${verb} a table definition without a "rows" property`); |
| 45 | } |
| 46 | if (!hasOwnProperty.call(def, 'columns')) { |
| 47 | throw new TypeError(`Virtual table module "${moduleName}" ${verb} a table definition without a "columns" property`); |
| 48 | } |
| 49 | |
| 50 | // Validate "rows" property |
| 51 | const rows = def.rows; |
| 52 | if (typeof rows !== 'function' || Object.getPrototypeOf(rows) !== GeneratorFunctionPrototype) { |
| 53 | throw new TypeError(`Virtual table module "${moduleName}" ${verb} a table definition with an invalid "rows" property (should be a generator function)`); |
| 54 | } |
| 55 | |
| 56 | // Validate "columns" property |
| 57 | let columns = def.columns; |
| 58 | if (!Array.isArray(columns) || !isStringArray(columns = [...columns])) { |
| 59 | throw new TypeError(`Virtual table module "${moduleName}" ${verb} a table definition with an invalid "columns" property (should be an array of strings)`); |
| 60 | } |
| 61 | if (columns.length !== new Set(columns).size) { |
| 62 | throw new TypeError(`Virtual table module "${moduleName}" ${verb} a table definition with duplicate column names`); |
| 63 | } |
| 64 | if (!columns.length) { |
| 65 | throw new RangeError(`Virtual table module "${moduleName}" ${verb} a table definition with zero columns`); |
| 66 | } |
| 67 | |
| 68 | // Validate "parameters" property |
| 69 | let parameters; |
| 70 | if (hasOwnProperty.call(def, 'parameters')) { |
| 71 | parameters = def.parameters; |
| 72 | if (!Array.isArray(parameters) || !isStringArray(parameters = [...parameters])) { |
| 73 | throw new TypeError(`Virtual table module "${moduleName}" ${verb} a table definition with an invalid "parameters" property (should be an array of strings)`); |
| 74 | } |
| 75 | } else { |
| 76 | parameters = inferParameters(rows); |
| 77 | } |
| 78 | if (parameters.length !== new Set(parameters).size) { |
| 79 | throw new TypeError(`Virtual table module "${moduleName}" ${verb} a table definition with duplicate parameter names`); |
| 80 | } |
| 81 | if (parameters.length > 32) { |
| 82 | throw new RangeError(`Virtual table module "${moduleName}" ${verb} a table definition with more than the maximum number of 32 parameters`); |
| 83 | } |
| 84 | for (const parameter of parameters) { |
| 85 | if (columns.includes(parameter)) { |
| 86 | throw new TypeError(`Virtual table module "${moduleName}" ${verb} a table definition with column "${parameter}" which was ambiguously defined as both a column and parameter`); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | // Validate "safeIntegers" option |
| 91 | let safeIntegers = 2; |
| 92 | if (hasOwnProperty.call(def, 'safeIntegers')) { |
| 93 | const bool = def.safeIntegers; |
| 94 | if (typeof bool !== 'boolean') { |
| 95 | throw new TypeError(`Virtual table module "${moduleName}" ${verb} a table definition with an invalid "safeIntegers" property (should be a boolean)`); |
| 96 | } |
| 97 | safeIntegers = +bool; |
| 98 | } |
no test coverage detected