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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/@webassemblyjs/ast/scripts | |
download | website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2 website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip |
api, login, auth
Diffstat (limited to 'node_modules/@webassemblyjs/ast/scripts')
3 files changed, 304 insertions, 0 deletions
diff --git a/node_modules/@webassemblyjs/ast/scripts/generateNodeUtils.js b/node_modules/@webassemblyjs/ast/scripts/generateNodeUtils.js new file mode 100644 index 0000000..46178a9 --- /dev/null +++ b/node_modules/@webassemblyjs/ast/scripts/generateNodeUtils.js @@ -0,0 +1,219 @@ +const definitions = require("../src/definitions"); +const flatMap = require("array.prototype.flatmap"); +const { + typeSignature, + iterateProps, + mapProps, + filterProps, + unique +} = require("./util"); + +const stdout = process.stdout; + +const jsTypes = ["string", "number", "boolean"]; + +const quote = value => `"${value}"`; + +function params(fields) { + const optionalDefault = field => (field.default ? ` = ${field.default}` : ""); + return mapProps(fields) + .map(field => `${typeSignature(field)}${optionalDefault(field)}`) + .join(","); +} + +function assertParamType({ assertNodeType, array, name, type }) { + if (array) { + // TODO - assert contents of array? + return `assert(typeof ${name} === "object" && typeof ${name}.length !== "undefined")\n`; + } else { + if (jsTypes.includes(type)) { + return `assert( + typeof ${name} === "${type}", + "Argument ${name} must be of type ${type}, given: " + typeof ${name} + )`; + } + + if (assertNodeType === true) { + return `assert( + ${name}.type === "${type}", + "Argument ${name} must be of type ${type}, given: " + ${name}.type + )`; + } + + return ""; + } +} + +function assertParam(meta) { + const paramAssertion = assertParamType(meta); + + if (paramAssertion === "") { + return ""; + } + + if (meta.maybe || meta.optional) { + return ` + if (${meta.name} !== null && ${meta.name} !== undefined) { + ${paramAssertion}; + } + `; + } else { + return paramAssertion; + } +} + +function assertParams(fields) { + return mapProps(fields) + .map(assertParam) + .join("\n"); +} + +function buildObject(typeDef) { + const optionalField = meta => { + if (meta.array) { + // omit optional array properties if the constructor function was supplied + // with an empty array + return ` + if (typeof ${meta.name} !== "undefined" && ${meta.name}.length > 0) { + node.${meta.name} = ${meta.name}; + } + `; + } else if (meta.type === "Object") { + // omit optional object properties if they have no keys + return ` + if (typeof ${meta.name} !== "undefined" && Object.keys(${ + meta.name + }).length !== 0) { + node.${meta.name} = ${meta.name}; + } + `; + } else if (meta.type === "boolean") { + // omit optional boolean properties if they are not true + return ` + if (${meta.name} === true) { + node.${meta.name} = true; + } + `; + } else { + return ` + if (typeof ${meta.name} !== "undefined") { + node.${meta.name} = ${meta.name}; + } + `; + } + }; + + const fields = mapProps(typeDef.fields) + .filter(f => !f.optional && !f.constant) + .map(f => f.name); + + const constants = mapProps(typeDef.fields) + .filter(f => f.constant) + .map(f => `${f.name}: "${f.value}"`); + + return ` + const node: ${typeDef.flowTypeName || typeDef.name} = { + type: "${typeDef.name}", + ${constants.concat(fields).join(",")} + } + + ${mapProps(typeDef.fields) + .filter(f => f.optional) + .map(optionalField) + .join("")} + `; +} + +function lowerCamelCase(name) { + return name.substring(0, 1).toLowerCase() + name.substring(1); +} + +function generate() { + stdout.write(` + // @flow + + // THIS FILE IS AUTOGENERATED + // see scripts/generateNodeUtils.js + + import { assert } from "mamacro"; + + function isTypeOf(t: string) { + return (n: Node) => n.type === t; + } + + function assertTypeOf(t: string) { + return (n: Node) => assert(n.type === t); + } + `); + + // Node builders + iterateProps(definitions, typeDefinition => { + stdout.write(` + export function ${lowerCamelCase(typeDefinition.name)} ( + ${params(filterProps(typeDefinition.fields, f => !f.constant))} + ): ${typeDefinition.name} { + + ${assertParams(filterProps(typeDefinition.fields, f => !f.constant))} + ${buildObject(typeDefinition)} + + return node; + } + `); + }); + + // Node testers + iterateProps(definitions, typeDefinition => { + stdout.write(` + export const is${typeDefinition.name} = + isTypeOf("${typeDefinition.name}"); + `); + }); + + // Node union type testers + const unionTypes = unique( + flatMap(mapProps(definitions).filter(d => d.unionType), d => d.unionType) + ); + unionTypes.forEach(unionType => { + stdout.write( + ` + export const is${unionType} = (node: Node) => ` + + mapProps(definitions) + .filter(d => d.unionType && d.unionType.includes(unionType)) + .map(d => `is${d.name}(node) `) + .join("||") + + ";\n\n" + ); + }); + + // Node assertion + iterateProps(definitions, typeDefinition => { + stdout.write(` + export const assert${typeDefinition.name} = + assertTypeOf("${typeDefinition.name}"); + `); + }); + + // a map from node type to its set of union types + stdout.write( + ` + export const unionTypesMap = {` + + mapProps(definitions) + .filter(d => d.unionType) + .map(t => `"${t.name}": [${t.unionType.map(quote).join(",")}]\n`) + + `}; + ` + ); + + // an array of all node and union types + stdout.write( + ` + export const nodeAndUnionTypes = [` + + mapProps(definitions) + .map(t => `"${t.name}"`) + .concat(unionTypes.map(quote)) + .join(",") + + `];` + ); +} + +generate(); diff --git a/node_modules/@webassemblyjs/ast/scripts/generateTypeDefinitions.js b/node_modules/@webassemblyjs/ast/scripts/generateTypeDefinitions.js new file mode 100644 index 0000000..99ba0ae --- /dev/null +++ b/node_modules/@webassemblyjs/ast/scripts/generateTypeDefinitions.js @@ -0,0 +1,47 @@ +const definitions = require("../src/definitions"); +const flatMap = require("array.prototype.flatmap"); +const { typeSignature, mapProps, iterateProps, unique } = require("./util"); + +const stdout = process.stdout; + +function params(fields) { + return mapProps(fields) + .map(typeSignature) + .join(","); +} + +function generate() { + stdout.write(` + // @flow + /* eslint no-unused-vars: off */ + + // THIS FILE IS AUTOGENERATED + // see scripts/generateTypeDefinitions.js + `); + + // generate union types + const unionTypes = unique( + flatMap(mapProps(definitions).filter(d => d.unionType), d => d.unionType) + ); + unionTypes.forEach(unionType => { + stdout.write( + `type ${unionType} = ` + + mapProps(definitions) + .filter(d => d.unionType && d.unionType.includes(unionType)) + .map(d => d.name) + .join("|") + + ";\n\n" + ); + }); + + // generate the type definitions + iterateProps(definitions, typeDef => { + stdout.write(`type ${typeDef.name} = { + ...BaseNode, + type: "${typeDef.name}", + ${params(typeDef.fields)} + };\n\n`); + }); +} + +generate(); diff --git a/node_modules/@webassemblyjs/ast/scripts/util.js b/node_modules/@webassemblyjs/ast/scripts/util.js new file mode 100644 index 0000000..c2ccfa0 --- /dev/null +++ b/node_modules/@webassemblyjs/ast/scripts/util.js @@ -0,0 +1,38 @@ +function iterateProps(obj, iterator) { + Object.keys(obj).forEach(key => iterator({ ...obj[key], name: key })); +} + +function mapProps(obj) { + return Object.keys(obj).map(key => ({ ...obj[key], name: key })); +} + +function filterProps(obj, filter) { + const ret = {}; + Object.keys(obj).forEach(key => { + if (filter(obj[key])) { + ret[key] = obj[key]; + } + }); + return ret; +} + +function typeSignature(meta) { + const type = meta.array ? `Array<${meta.type}>` : meta.type; + if (meta.optional) { + return `${meta.name}?: ${type}`; + } else if (meta.maybe) { + return `${meta.name}: ?${type}`; + } else { + return `${meta.name}: ${type}`; + } +} + +const unique = items => Array.from(new Set(items)); + +module.exports = { + iterateProps, + mapProps, + filterProps, + typeSignature, + unique +}; 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