[WIP] JavaScript: destructuring binding

Units/parser-javascript.r/js-destructural-binding.d/args.ctags

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+--sort=no
+--fields=+S

Units/parser-javascript.r/js-destructural-binding.d/expected.tags

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+x	input.js	/^const [x] = [1];$/;"	C
+y	input.js	/^const [y, z] = [1, 2, 3, 4, 5];$/;"	C
+z	input.js	/^const [y, z] = [1, 2, 3, 4, 5];$/;"	C
+a	input.js	/^let [a=5, b=7] = [1];$/;"	v
+b	input.js	/^let [a=5, b=7] = [1];$/;"	v
+c	input.js	/^let [c, , d] = [1, 2, 3];$/;"	v
+d	input.js	/^let [c, , d] = [1, 2, 3];$/;"	v
+e	input.js	/^let [e, f = 0, , g] = [1, 2, 3, 4];$/;"	v
+f	input.js	/^let [e, f = 0, , g] = [1, 2, 3, 4];$/;"	v
+g	input.js	/^let [e, f = 0, , g] = [1, 2, 3, 4];$/;"	v
+h	input.js	/^const [h, i, ...[j, k]] = [1, 2, 3, 4];$/;"	C
+i	input.js	/^const [h, i, ...[j, k]] = [1, 2, 3, 4];$/;"	C
+j	input.js	/^const [h, i, ...[j, k]] = [1, 2, 3, 4];$/;"	C
+k	input.js	/^const [h, i, ...[j, k]] = [1, 2, 3, 4];$/;"	C
+l	input.js	/^const [l, m, ...[n, o, ...[p, q]]] = [1, 2, 3, 4, 5, 6];$/;"	C
+m	input.js	/^const [l, m, ...[n, o, ...[p, q]]] = [1, 2, 3, 4, 5, 6];$/;"	C
+n	input.js	/^const [l, m, ...[n, o, ...[p, q]]] = [1, 2, 3, 4, 5, 6];$/;"	C
+o	input.js	/^const [l, m, ...[n, o, ...[p, q]]] = [1, 2, 3, 4, 5, 6];$/;"	C
+p	input.js	/^const [l, m, ...[n, o, ...[p, q]]] = [1, 2, 3, 4, 5, 6];$/;"	C
+q	input.js	/^const [l, m, ...[n, o, ...[p, q]]] = [1, 2, 3, 4, 5, 6];$/;"	C
+A	input.js	/^const [A, B, ...{ C, D }] = []$/;"	C
+B	input.js	/^const [A, B, ...{ C, D }] = []$/;"	C
+C	input.js	/^const [A, B, ...{ C, D }] = []$/;"	C
+D	input.js	/^const [A, B, ...{ C, D }] = []$/;"	C
+E	input.js	/^    E: 42,$/;"	p	variable:user
+F	input.js	/^    F: true$/;"	p	variable:user
+user	input.js	/^const user = {$/;"	v
+E	input.js	/^const {E, F} = user;$/;"	C
+F	input.js	/^const {E, F} = user;$/;"	C
+G	input.js	/^const {E: G, F: H} = user;$/;"	C
+H	input.js	/^const {E: G, F: H} = user;$/;"	C
+I	input.js	/^const {I = 10, J = 5} = {I: 3};$/;"	C
+J	input.js	/^const {I = 10, J = 5} = {I: 3};$/;"	C
+I	input.js	/^const {I = 10, J = 5} = {I: 3};$/;"	p	variable:anonymousObject785a93f40105
+anonymousObject785a93f40105	input.js	/^const {I = 10, J = 5} = {I: 3};$/;"	v
+K	input.js	/^let {a: K = 10, b: L = 5} = {a: 3};$/;"	v
+L	input.js	/^let {a: K = 10, b: L = 5} = {a: 3};$/;"	v
+a	input.js	/^let {a: K = 10, b: L = 5} = {a: 3};$/;"	p	variable:anonymousObject785a93f40205
+anonymousObject785a93f40205	input.js	/^let {a: K = 10, b: L = 5} = {a: 3};$/;"	v
+M	input.js	/^let {M, N, ...O} = {M: 10, N: 20, c: 30, d: 40}$/;"	v
+N	input.js	/^let {M, N, ...O} = {M: 10, N: 20, c: 30, d: 40}$/;"	v
+O	input.js	/^let {M, N, ...O} = {M: 10, N: 20, c: 30, d: 40}$/;"	v
+M	input.js	/^let {M, N, ...O} = {M: 10, N: 20, c: 30, d: 40}$/;"	p	variable:anonymousObject785a93f40305
+N	input.js	/^let {M, N, ...O} = {M: 10, N: 20, c: 30, d: 40}$/;"	p	variable:anonymousObject785a93f40305
+c	input.js	/^let {M, N, ...O} = {M: 10, N: 20, c: 30, d: 40}$/;"	p	variable:anonymousObject785a93f40305
+d	input.js	/^let {M, N, ...O} = {M: 10, N: 20, c: 30, d: 40}$/;"	p	variable:anonymousObject785a93f40305
+anonymousObject785a93f40305	input.js	/^let {M, N, ...O} = {M: 10, N: 20, c: 30, d: 40}$/;"	v
+title	input.js	/^  title: 'Scratchpad',$/;"	p	variable:metadata
+anonymousObject785a93f40405	input.js	/^    {$/;"	v	variable:metadata
+locale	input.js	/^      locale: 'de',$/;"	p	variable:metadata.anonymousObject785a93f40405
+localization_tags	input.js	/^      localization_tags: [],$/;"	p	variable:metadata.anonymousObject785a93f40405
+last_edit	input.js	/^      last_edit: '2014-04-14T08:43:37',$/;"	p	variable:metadata.anonymousObject785a93f40405
+url	input.js	/^      url: '\/de\/docs\/Tools\/Scratchpad',$/;"	p	variable:metadata.anonymousObject785a93f40405
+title	input.js	/^      title: 'JavaScript-Umgebung'$/;"	p	variable:metadata.anonymousObject785a93f40405
+translations	input.js	/^  translations: [$/;"	p	variable:metadata
+url	input.js	/^  url: '\/en-US\/docs\/Tools\/Scratchpad'$/;"	p	variable:metadata
+metadata	input.js	/^const metadata = {$/;"	v
+englishTitle	input.js	/^  title: englishTitle, \/\/ rename$/;"	v
+localeTitle	input.js	/^       title: localeTitle, \/\/ rename$/;"	v
+userDisplayName	input-0.js	/^function userDisplayName({displayName: dname}) {$/;"	f	signature:({displayName: dname})
+whois	input-0.js	/^function whois({displayName, fullName: {firstName: name}}) {$/;"	f	signature:({displayName, fullName: {firstName: name}})
+drawChart	input-0.js	/^function drawChart({size = 'big', coords = {x: 0, y: 0}, radius = 25} = {}) {$/;"	f	signature:({size = 'big', coords = {x: 0, y: 0}, radius = 25} = {})
+f	input-1.js	/^function f({ u, x }) {$/;"	f	signature:({ u, x })
+anonymousObjectf91cef720105	input-1.js	/^f({u: 1, x: 2})$/;"	v
+u	input-1.js	/^f({u: 1, x: 2})$/;"	p	variable:anonymousObjectf91cef720105
+x	input-1.js	/^f({u: 1, x: 2})$/;"	p	variable:anonymousObjectf91cef720105
+f	input-2.js	/^function f(x, y, z) {$/;"	f	signature:(x, y, z)
+anonymousObjectf91d7bd30105	input-2.js	/^f({x, y, z})$/;"	v
+x	input-2.js	/^f({x, y, z})$/;"	p	variable:anonymousObjectf91d7bd30105
+y	input-2.js	/^f({x, y, z})$/;"	p	variable:anonymousObjectf91d7bd30105
+z	input-2.js	/^f({x, y, z})$/;"	p	variable:anonymousObjectf91d7bd30105

Units/parser-javascript.r/js-destructural-binding.d/input-0.js

@@ -0,0 +1,13 @@
+// Derrived from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment
+function userDisplayName({displayName: dname}) {
+  return dname;
+}
+
+function whois({displayName, fullName: {firstName: name}}) {
+  return `${displayName} is ${name}`;
+}
+
+function drawChart({size = 'big', coords = {x: 0, y: 0}, radius = 25} = {}) {
+  console.log(size, coords, radius);
+  // do some chart drawing
+}

Units/parser-javascript.r/js-destructural-binding.d/input-1.js

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+function f({ u, x }) {
+    return (u + x)
+}
+
+f({u: 1, x: 2})

Units/parser-javascript.r/js-destructural-binding.d/input-2.js

@@ -0,0 +1,8 @@
+function f(x, y, z) {
+    return x + y + z
+}
+
+x = 1
+y = 1
+z = 1
+f({x, y, z})

Units/parser-javascript.r/js-destructural-binding.d/input.js

@@ -0,0 +1,56 @@
+// Derrived from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment
+const [x] = [1];
+const [y, z] = [1, 2, 3, 4, 5];
+let [a=5, b=7] = [1];
+
+let [c, , d] = [1, 2, 3];
+let [e, f = 0, , g] = [1, 2, 3, 4];
+
+let [,,] = [1, 2, 3];
+let [,]  = [1, 2, 3];
+let []   = [1, 2, 3];
+
+const [h, i, ...[j, k]] = [1, 2, 3, 4];
+const [l, m, ...[n, o, ...[p, q]]] = [1, 2, 3, 4, 5, 6];
+
+const [A, B, ...{ C, D }] = []
+
+const user = {
+    E: 42,
+    F: true
+};
+
+const {E, F} = user;
+
+const {E: G, F: H} = user;
+
+
+const {I = 10, J = 5} = {I: 3};
+
+let {a: K = 10, b: L = 5} = {a: 3};
+
+let {M, N, ...O} = {M: 10, N: 20, c: 30, d: 40}
+
+
+const metadata = {
+  title: 'Scratchpad',
+  translations: [
+    {
+      locale: 'de',
+      localization_tags: [],
+      last_edit: '2014-04-14T08:43:37',
+      url: '/de/docs/Tools/Scratchpad',
+      title: 'JavaScript-Umgebung'
+    }
+  ],
+  url: '/en-US/docs/Tools/Scratchpad'
+};
+
+let {
+  title: englishTitle, // rename
+  translations: [
+    {
+       title: localeTitle, // rename
+    },
+  ],
+} = metadata;

Units/parser-javascript.r/js-destructural-binding.d/validator

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+node

Units/parser-javascript.r/js-empty-class-name.d/expected.tags

@@ -1,2 +1,3 @@
+prop	input.js	/^var {prop} = { prop: "value" };$/;"	v
 prop	input.js	/^var {prop} = { prop: "value" };$/;"	p	variable:anonymousObject4ca5b60a0105
 anonymousObject4ca5b60a0105	input.js	/^var {prop} = { prop: "value" };$/;"	v