69b1cb5bac
* Add new special assignment kinds for recognizing Object.defineProperty calls * Add support for prototype assignments, fix nits * Fix code review comments * Add test documenting behavior in a few more odd scenarios
69 lines
1.7 KiB
TypeScript
69 lines
1.7 KiB
TypeScript
// @allowJs: true
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// @noEmit: true
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// @strict: true
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// @checkJs: true
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// @filename: index.js
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const x = {};
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Object.defineProperty(x, "name", { value: "Charles", writable: true });
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Object.defineProperty(x, "middleInit", { value: "H" });
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Object.defineProperty(x, "lastName", { value: "Smith", writable: false });
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Object.defineProperty(x, "zip", { get() { return 98122 }, set(_) { /*ignore*/ } });
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Object.defineProperty(x, "houseNumber", { get() { return 21.75 } });
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Object.defineProperty(x, "zipStr", {
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/** @param {string} str */
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set(str) {
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this.zip = Number(str)
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}
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});
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/**
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* @param {{name: string}} named
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*/
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function takeName(named) { return named.name; }
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takeName(x);
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/**
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* @type {number}
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*/
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var a = x.zip;
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/**
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* @type {number}
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*/
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var b = x.houseNumber;
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const returnExemplar = () => x;
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const needsExemplar = (_ = x) => void 0;
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const expected = /** @type {{name: string, readonly middleInit: string, readonly lastName: string, zip: number, readonly houseNumber: number, zipStr: string}} */(/** @type {*} */(null));
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/**
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*
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* @param {typeof returnExemplar} a
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* @param {typeof needsExemplar} b
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*/
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function match(a, b) {}
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match(() => expected, (x = expected) => void 0);
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module.exports = x;
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// @filename: validate.ts
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// Validate in TS as simple validations would usually be interpreted as more special assignments
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import x = require("./");
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x.name;
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x.middleInit;
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x.lastName;
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x.zip;
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x.houseNumber;
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x.zipStr;
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x.name = "Another";
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x.zip = 98123;
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x.zipStr = "OK";
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x.lastName = "should fail";
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x.houseNumber = 12; // should also fail
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x.zipStr = 12; // should fail
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x.middleInit = "R"; // should also fail
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