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Philipinho
572452c80b
Add the bases feature: formula engine package, grid/table UI, and the base-embed editor extension, with supporting client and server changes.
34 lines
1.2 KiB
TypeScript
34 lines
1.2 KiB
TypeScript
export type OpCode =
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| "+" | "-" | "*" | "/" | "%"
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| "==" | "!=" | ">" | "<" | ">=" | "<="
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| "neg" | "not";
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export type FormulaAST =
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| { t: "num"; v: number }
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| { t: "str"; v: string }
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| { t: "bool"; v: boolean }
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| { t: "null" }
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| { t: "prop"; id: string }
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| { t: "op"; op: OpCode; args: FormulaAST[] }
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| { t: "if"; cond: FormulaAST; then: FormulaAST; else: FormulaAST }
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| { t: "and"; args: FormulaAST[] }
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| { t: "or"; args: FormulaAST[] }
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| { t: "call"; fn: string; args: FormulaAST[] };
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/*
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* Raw AST: what the parser produces before resolving property names to IDs.
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* Only the `propName` variant differs from FormulaAST — every other node is
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* reused directly. We deliberately keep this type-level to avoid duplicating
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* the tree shape.
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*/
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export type RawFormulaAST =
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| Exclude<FormulaAST, { t: "prop" }>
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| { t: "propName"; name: string }
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| { t: "op"; op: OpCode; args: RawFormulaAST[] }
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| { t: "if"; cond: RawFormulaAST; then: RawFormulaAST; else: RawFormulaAST }
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| { t: "and"; args: RawFormulaAST[] }
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| { t: "or"; args: RawFormulaAST[] }
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| { t: "call"; fn: string; args: RawFormulaAST[] };
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export const AST_VERSION = 1 as const;
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